The equation that represents the town's population is p = 78,000 x 0.97^5.
What is the equation?The equation that represents the town's population is an exponential equation. The general form of exponential equation is f(x) = [tex]e^{x}[/tex]
Where:
x = the variable e = constantThe form o f the equation is:
Future population = present population x (1 - rate of decline/100)^number of years
p = 78,000 x (1 - 3/100)^5
p = 78,000x (1 - 0.03)^5
p = 78,000 x (0.97^5)
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Course Contents Homework Assignment 1 And the Rain Came Tumbling Down ...
And the Rain Came Tumbling Down
Due this Friday, Jan 20 at 11:59 pm (EST)
The cubit is an ancient unit. Its length equals six palms. (A palm varies from 2.5 to 3.5 inches depending on the individual.) We are told Noah's ark was 300 cubits long, 50 cubits wide, and 30 cubits
high. Estimate the volume of the ark (in cubic feet). Assume the ark has a shoe-box shape and that 1 palm = 2.50 inch.
8.79x105
You are correct.
Your receipt no, is 160-1146
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To appreciate the answer above, estimate the volume of a typical house. Assume a shoe-box shape, 53.0 feet long, 30.0 feet wide and 12.0 feet high. Calculate the ratio of the volume of the ark to
that of the house.
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The volume of the ark is about 1.44 million cubic feet.
What is unit conversion mean?
A unit conversion expresses the same property as a different unit of measurement. For instance, time can be expressed in minutes instead of hours, while distance can be converted from miles to kilometers, or feet, or any other measure of length.
First, we need to convert the measurements from cubits to inches.
We know that one cubit is equal to six palms and that one palm is equal to 2.5 inches. So, we can convert the measurements of the ark by multiplying the number of cubits by the number of inches per cubit:
Length of ark = 300 cubits x 6 palms/cubit x 2.5 inches/palm = 4500 inches
Width of ark = 50 cubits x 6 palms/cubit x 2.5 inches/palm = 750 inches
Height of ark = 30 cubits x 6 palms/cubit x 2.5 inches/palm = 450 inches
Next, we can find the volume of the ark by multiplying these dimensions together:
Volume of ark = 4500 inches x 750 inches x 450 inches = 1.42 x 10^9 cubic inches
Finally, we can convert cubic inches to cubic feet by dividing by the conversion factor of 1 cubic foot = 12 x 12 x 12 cubic inches.
1.42 x 10^9 cubic inches / (12x12x12 cubic inches/cubic foot) = 1.44 x 10^6 cubic feet
Hence, the volume of the ark is about 1.44 million cubic feet.
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A neighbor charges $10 to mow your lawn plus $20 per hour. Write a function rule for the total cost of hiring your neighbor (y) for a certain amount of hours (x).
The value of function showing the total cost of hiring your neighbor (y) for a certain amount of hours (x) is,
⇒ y = 10 + 20x
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
A neighbor charges $10 to mow your lawn plus $20 per hour.
Let the total cost of hiring your neighbor = y
And, Number of amount of hours = x
Hence, We can formulate;
The function which showing the total cost of hiring your neighbor (y) for a certain amount of hours (x) is,
⇒ y = 10 + 20x
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it is possible to have a function with an infinite number of critical points. also, it is possible to have a function where every point is a critical point. g
A function with an infinite number of critical points can be expressed as a continuous function with a derivative that is equal to zero at every point in its domain.
For example, the function f(x) = 0 has an infinite number of critical points since its derivative f'(x) = 0 for every x in its domain. Alternatively, a function that has every point as a critical point can be expressed as a function with a derivative that is always equal to zero. For example, the constant function f(x) = c has a derivative f'(x) = 0 for every x in its domain, and thus every point in its domain is a critical point.
In addition, an example of a function with every point as a critical point is the constant function, f(x) = c, where c is a constant. The derivative of this function is f'(x) = 0, which means that the derivative is zero for all values of x. Therefore, every point of the constant function is a critical point.
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All of the quadrilaterals in the shape below are squares. Find the area of the shaded region.
−4≤−2(y−1)<2
Step 1 of 2 : Solve the inequality and express your answer in interval notation. Use decimal form for numerical values.
The inequality is solved to and represented in interval notation as follows
(-∞, 3] [0, ∞)How to find the values of y in the inequalityThe inequality is made of two sets and can be separated as
−4 ≤ −2(y − 1)
−2(y − 1) < 2
solving the first
−4 ≤ −2(y − 1)
−4 ≤ −2y + 2
−4 - 2 ≤ −2y
-6 ≤ −2y
divide through by -2
y ≤ 3
solving the second
−2(y − 1) < 2
−2y + 2 < 2
−2y < 2 - 2
−2y < 0
divide through by -2
y > 0
the inequality in interval notation is
(-∞, 3] [0, ∞)
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A bird of species A, when diving, can travel 5 times as fast as a bird of species B top speed. If the total speeds for these two birds is 222 miles per hour, find the fastest speed of the bird of species A and the fastest speed of the bird of species B.
The fastest speed of the bird of species A is 185 mph and the fastest speed of the bird of species B is 37 mph
What is an equation?
An equation is an expression showing the relationship between numbers and variables.
Let a represent the top speed of bird A and b represent the top speed of bird B.
A bird of species A, when diving, can travel 5 times as fast as a bird of species B top speed, hence:
a = 5b
a - 5b = 0 (1)
If the total speeds for these two birds is 222 miles per hour, hence:
a + b = 222 (2)
To solve by elimination method, subtract equation 2 from 1, hence:
-6b = -222
Dividing by -6:
b = 37
Put b = 37 in equation 2:
a + 37 = 222
a = 185
The speed of the bird are 185 miles per hour and 37 miles per hour
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May you please help me? I need help, asap. It's missing ;l
Answer:
g(f(- 4)) = 40
Step-by-step explanation:
to evaluate g(f(- 4)) , evaluate f(- 4) and substitute the value obtained into g(x)
f(- 4) = (- 4)² + 3(- 4) + 6 = 16 - 12 + 6 = 4 + 6 = 10 , then
g(10) = 5(10) - 10 = 50 - 10 = 40
In an experiment, a scientist uses a test tube that has volume of 8.4 cm3. Find how many liters of water will completely fill the test tube.
The liters of water that will completely fill the test tube, can be found to be 0. 0084 liters.
How to find the liters of water ?Both cubic centimeters and liters can be used to describe the volume of an object in terms of the amount of fluid that can fill them up.
A liter can be converted to be 1, 000 cubic centimeters.
This means that if a test tube has a volume of 8. 4 cubic centimers, it can be filled up by:
= 8. 4 / 1, 000
= 0. 0084 liters of water
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Let L represent the number of workers hired by a firm, and let Q represent that firm's quantity of output. Assume two points on the firm's production function are (L = 12, Q = 122) and (L = 13, Q = 132). Then the marginal product of the 13th worker isa.) 8 units of output.b.) 10 units of output.c.) 122 units of output.d.) 132 units of output.
The amount of marginal product of the 13th worker is 10 units of output, which is the difference between the quantity of output when L = 12 (122) and when L = 13 (132).
The marginal product of the 13th worker can be calculated as follows:
Marginal product = Quantity of output for L = 13 - Quantity of output for L = 12
Marginal product = 132 - 122
Marginal product = 10 units of output
The marginal product of the 13th worker is the additional output created by hiring one additional worker. This is calculated by taking the difference between the quantity of output when the number of workers is 12 and when it is 13. In this case, the quantity of output when L = 12 is 122, and when L = 13 it is 132, so the marginal product is 10 units of output. This calculation shows that the 13th worker is adding 10 units of output to the firm's total production. This is an important concept in production economics, as it helps firms determine the optimal number of workers to hire in order to maximize their output and profits.
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David is 1 year old and he climbs off a couch that is 2 feet high and lands on the floor. It takes him 1 second to get off the couch.
Assuming David’s height off the floor is continuous and differentiable, which of the following is true?
The Mean Value Theorem applies; the average rate of change is: f(1)−f(0)1=11=1ft/secThe Mean Value Theorem applies; the average rate of change is: f ( 1 ) − f ( 0 ) 1 = 1 1 = 1 f t / sec ,
The Mean Value Theorem does not apply.
The , Mean Value Theorem, does not apply.
The Mean Value Theorem applies; the average rate of change is: f(1)−f(0)1=21=2ft/secThe Mean Value Theorem applies; the average rate of change is: f ( 1 ) − f ( 0 ) 1 = 2 1 = 2 f t / sec ,
The Mean Value Theorem applies; the average rate of change is: f(1)−f(0)2=12ft/sec
Assuming David’s height off the floor is continuous and differentiable, the statement that is true is: B. The Mean Value Theorem does not apply.
Does the mean value theorem that applies or not?Based on the details we can vividly states that the Mean Value Theorem does not apply based on the fact that the function that help to described David's height off the floor is not continuous and differentiable.
This function would only be differentiable if David's movement off the couch and landing on the floor could be described by a mathematical function, which is highly unlikely.
Therefore the correct option is B.
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decide whether each proposed multiplication or division of measurements is possible. if it is possible, write the result in the last column of the table.
1. The unit g/cm³ is valid. So, division of measurements is possible.
2. The unit mm is valid. So, division of measurements is possible.
3. The unit L² is not valid. So, multiplication of measurements is not possible.
What are measurement units?
The group of units used to quantify different physical quantities collectively known as the units of measurement. Since ancient times, we have measured these things using many units, including length, mass, volume, current, and temperature.
1. 63g/7cm³ = 9 g/cm³
The density of a substance indicates how dense it is in a given area. Mass per unit volume is the definition of a material's density. In essence, density is a measurement of how closely stuff is packed. It is a particular physical characteristic of a specific thing.
The unit g/cm³ is a unit for measuring density.
Therefore, the division of measurements is possible.
2. The m or mm must be converted so that the units are the same.
1 m = 1000 mm.
Convert the meters to mm:
0.080 m = 80 mm.
480 mm²/80 mm = 6 mm
The word "area" refers to a free space. A shape's length and width are used to compute its area. Unidimensional length is expressed in terms of feet (ft), yards (yd), inches (in), etc.
The mm² is a unit for measuring area.
The m is a unit for measuring length or width.
Therefore, the division of measurements is possible.
3. (4.5 dL) × (0.70 L)
Liquid volume is a term used to describe how much 3-D space a given amount of liquid takes up.
Volume of a liquid is measured in litres (L).
Squaring Litres doesn't make any sense.
Therefore, the multiplication of measurements is not possible.
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Find the indefinite integral of each of the following by using [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n #1
(a) e^x (3 - e^x)^4 dx
(b) 3e^2x √(1 + e²x) dx
(c) 3e^-2x / (1 + e^-2x)^3 dx
(d) 4 cos 2x sin³ 2x dx
(e) sec² 3x tan³ 3x dx
(f) 2+tan ² x / cos² x dx
Answer:
a) e^x (3 - e^x)^4 dx
Using the formula [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n = 1,
we have:
e^x (3 - e^x)^4 dx = (e^x)^5 (3 - e^x)^4 / 5 + c
= (e^5x - 4e^4x + 6e^3x - 4e^2x + e^x) / 5 + c
b) 3e^2x √(1 + e²x) dx
Using the formula [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n = 1,
we have:
3e^2x √(1 + e²x) dx = (3e^2x)^2 * (1 + e²x)^(3/2) / 2 + c
= (9e^4x + 3e^2x) / 2 + c
c) 3e^-2x / (1 + e^-2x)^3 dx
Using the formula [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n = 1,
we have:
3e^-2x / (1 + e^-2x)^3 dx = -(3e^-2x)^2 / (1 + e^-2x)^2 + c
= -(9e^-4x) / (e^-4x + 2e^-2x + 1) + c
d) 4 cos 2x sin³ 2x dx
Using the formula [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n = 1,
we have:
4 cos 2x sin³ 2x dx = -4 cos 2x (sin 2x)^4 / 4 + c
= -(cos 2x) (1 - cos 4x)^2 / 2 + c
e) sec² 3x tan³ 3x dx
Using the formula [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n = 1,
we have:
sec² 3x tan³ 3x dx = -sec² 3x (tan 3x)^4 / 4 + c
= -sec² 3x (sec² 3x - 1)^2 / 4 + c
f) 2+tan ² x / cos² x dx
Using the formula [ f'(x)[f(x)"]dx =[ [f(x)]^n+1 / n+1] + c, where n = 1,
we have:
2+tan ² x / cos² x dx = ln|sec x| + c
It's worth noting that all these integrals are indefinite, which means that the constant c is arbitrary, and the actual antiderivative depends on the problem context.
Step-by-step explanation:
Find the volume of a sphere with a diameter of 16 meters
Answer: V≈2144.66m³
Step-by-step explanation:
Let A be a 5 by 7 , B be a 7 by 6 and C be a 6 by 5 matrix. How to determine the size of the following matrices ? O AB, BA, O A^TB, BC, O ABC , CA ,O B^TA , BC^T
The matrices matrix A be a 5 by 7 , matrix B be a 7 by 6 and matrix C be a 6 by 5 matrix.
now, we need to determine the size of the matrices
AB = [tex](AB)_{5*6}[/tex]
BA is undefined
[tex]A^{T}[/tex]B is undefined
BC = [tex](BC)_{7*5}[/tex]
ABC = [tex](ABC)_{5*5}[/tex]
CA = [tex](CA)_{6*7}[/tex]
[tex]B^{T}[/tex]A is undefined.
B[tex]C^{T}[/tex] is undefined.
given that
matrix A is [tex]A_{5*7}[/tex]
matrix B is [tex]B_{7*6}[/tex]
matrix C is [tex]C_{6*5}[/tex]
now, we need to determine the size of the matrices
AB multiplication of two matrices
multiplication of two matrices is possible only when B has the same number of columns as rows in A,
[tex]A_{m*n}[/tex]and [tex]B_{n*p}[/tex]
If it is defined as above, then the matrix AB will have m rows and p columns, i.e., A must have n columns and B must have n rows in order for AB to be defined.
[tex](AB)_{m*n}[/tex]
In addition, a matrix gets transposed when columns turn into rows and vice versa.
Thus, if
[tex]A_{m*n}[/tex]⇒[tex](AT)_{m*n}[/tex]
So, for this particular question, we have: [tex]A_{5*7}[/tex], [tex]B_{7*6}[/tex] , [tex]C_{6*5}[/tex]
According to the aforementioned idea, AB is therefore [tex](AB)_{5*6}[/tex] in size.
Additionally, BA and [tex]A^{T}[/tex]B are not defined.
[tex](BC)_{7*5}[/tex]
ABC=(AB)C=A(BC) because matrix multiplication is associative,
[tex](ABC)_{5*5}[/tex]
[tex](CA)_{6*7}[/tex]
[tex]B^{T}[/tex]A is undefined. because they don't have same number of columns in matrix B and rows in matrix A
B[tex]C^{T}[/tex] is undefined. because they don't have same number of columns in matrix B and rows in matrix C
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4:5=___:35 fill in the missing value
Answer: 28:35
Step-by-step explanation: The missing number is 28, here's how to solve it:
So, if we know both components of the first ratio AND the second component of the 2nd ratio, we need to divide the 2nd components from each ratio. So, 35 / 5 = 7. Now, we need to multiply 7 by 4. We get 28. So, the 2nd ratio is 28:35. I hope this helps!
(Look at the attachment for a better idea)
given that angle A is congruent to angle C and A E equals E C, which of the following can be used to show that triangle A O B is congruent to triangle C E D?
Two angle and an include side are congruent, hence by the ASA postulate triangle AEB congruent to triangle CED.
ASA similarity theorem: Two triangles are similar if two corresponding angles of one triangle are congruent to the two corresponding angles of another triangle. Also, the corresponding sides are proportional. ASA similarity is mostly known as the AA similarity theorem.
Statement: Line segments AE and EC are equal.
Reason: Given
Statement: angle A is congruent to angle B.
Reason: Given
Statement: Angles AEB & CED are equal.
Reason: vertically opposite angles are equal.
Hence, two angle an include side are congruent.
Triangles AOB & CED are congruent.
Reason: ASA Postulate.
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A probability experiment is conducted in which the sample space of the experiment is S={ 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, event F={5, 6, 7, 8, 9}, and event G={9, 10, 11, 12}. Assume that each outcome is equally likely. List the outcomes in F or G. Find P(F or G) by counting the number of outcomes in F or G. Determine P(F or G) using the general addition rule.
List the outcomes in F or G. Select the correct choice belowand, if necessary, fill in the answer box to complete your choice.
A. F or G = { _____ }
(Use a comma to separate answers as needed.)
F or G = { 5,6,7,8,9,10,11,12 } is probability P(F or G) using the general addition rule.
What are examples and probability?
The likelihood that something will happen is called the probability. the total number of conceivable outcomes.
For instance, the chance of flipping a coin and obtaining heads is 1 in 2, as there is only one way to acquire a head and there are a total of 2 possible outcomes (a head or tail). P(heads) = 12 is what we write. the forerunners of the contemporary mathematical theory of probability (for example the "problem of points").
S={ 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14},
event F={5, 6, 7, 8, 9}, and
event G={9, 10, 11, 12}.
F or G = { 5,6,7,8,9,10,11,12 }
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Fin volunteers at the local pet shelter with his friends Conor and Tiah. His friends each volunteer 1.5 hours longer than Fin. The three friends volunteer for a combined total of 12 hours. Let x represent the number of hours that Fin volunteers. Which is the equation that would answer this question?
x+ 2x +1.5 = 12
x+x+x+1.5 = 12
x+ 2(x+1.5) = 12
x+ (2x +1.5) = 12
The equation that would answer this question is x + (2x + 1.5) = 12. where x is the number of hours that Fin volunteers, and 2x + 1.5 represents the number of hours that each of his friends volunteers.
How to find the equation?In this scenario, you can set up an equation that represents the total amount of time Fin and his friends volunteer. Let 'x' be the number of Finn's volunteer hours. His friends volunteer 1.5 hours more than Finn, so the number of hours each friend volunteers can be represented by x + 1.5. The total number of hours that all three friends volunteered can be expressed as:
x + (x + 1.5) + (x + 1.5) = 12
Expansion of the 2nd and 3rd terms:
x + x + 1.5 + x + 1.5 = 12
Combining the same terms:
3x + 4.5 = 12
Subtract 4.5 from both sides:
3x = 7.5
Divide both sides by 3:
x = 2.5
So Fin volunteers his 2.5 hours.
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The graph of h(x) is shown.
What are the intercepts and asymptote(s) of h(x)? Explain how to find these using the graph.
The intercepts and the asymptotes of h(x) using the graph is x-intercept -4 and y-intercept =-1
What is y-intercept?The y-intercept of a function y = f(x) is a point where its graph would meet the y-axis and is obtained by substituting x = 0. Understand the y-intercept and its formula with derivation
From the given graph
Y-intercept is the point where the curves crosses the y-axis
From the graph, the coordinate of the y-intercept is (0, -1)
X-intercept is the point where the curves crosses the x-axis
From the graph, the coordinate of the x-intercept is (-4, 0)
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Answer:
The vertical asymptote is -5
Step-by-step explanation:
You basically have to set it to 0 and then solve the equation. You should get x= -5
In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 53.6 inches, and standard deviation of 2.8 inches.
A) What is the probability that a randomly chosen child has a height of less than 49 inches? (Round to 3 decimal places.)
B) What is the probability that a randomly chosen child has a height of more than 48.8 inches? (Round to 3 decimal places.)
The likelihood that a randomly selected youngster is under 49 inches tall is 0.989
The likelihood that a randomly selected child would be taller than 48.8 inches is 0.875.
Let the X represent a ten-year-old child's height measurements.
As a result, with a mean of 56.2 inches and a standard deviation of 3.3 inches, X follows the normal distribution.
A) We need to calculate the likelihood that a youngster selected at random is under 63.75 inches tall.
Specifically,
P(X < 63.75)
The Z score calculation gives us
Z = (X - μ)/σ
where mean is and standard deviation is.
Z = (63.75 - 56.2)/3.3
Z = 2.288 as a result.
According to the z distribution table, the value is around 0.989
B) Similar to this, the Z score formula gives us
Z = (X - μ)/σ
where μ mean is and σ standard deviation is.
Therefore, we must determine the likelihood that a child picked at random will be taller than 60 inches.
Z = (60 - 56.2)/3.3
Z = 1.1515
The number is around 0.875 according to Z score.
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Match the Lines L1 (blue), L2 red) and L3 (green) with the slopes by placing the letter of the slopes next to each set listed below: 1. The slope of line LI 2. The slope of line L2 3. The slope of line L3 A) m =-l2 B) m = 1.2 C) m = 0
The slope of line L1 is obtained to be m = -1.7.
The slope of line L2 is obtained to be m = 1.
The slope of line L3 is obtained to be m = 0.
What is a slope?
A line's steepness and direction are measured by the line's slope. Without actually using a compass, determining the slope of lines in a coordinate plane can assist in forecasting whether the lines are parallel, perpendicular, or none at all.
The line L1 indicated with red colour moves from quadrant 2 to quadrant 4 which means the slope will be negative. It moves 1.7 unit down and 1.7 unit right.
The three options for slope is -
m = 0
m = 1
m = -1.7
Therefore, m = -1.7 is the slope for line L1.
The line L2 indicated with blue colour moves from quadrant 3 to quadrant 1 which means the slope will be positive. It moves 1 unit up and 1 unit right.
The three options for slope is -
m = 0
m = 1
m = -1.7
Therefore, m = 1 is the slope for line L2.
The line L3 indicated with green colour moves from quadrant 3 to quadrant 4 forming a straight horizontal line parallel to x-axis which means the slope will be zero. It moves 0 right.
Therefore, m = 0 is the slope for line L3.
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determine whether each relationship is proportional by graphing on a coordinate plane. explain your reasoning.
This answer states that when graphing a linear relationship (y = 2x) on a coordinate plane, the points form a straight line, indicating that the relationship is proportional. However, when graphing a non-linear relationship (y = x2) on a coordinate plane, the points form a parabolic curve, indicating that the relationship is not proportional.
A: Relationship 1:
The relationship between x and y is y = 2x.
When graphed on a coordinate plane, the points (0,0), (1,2), (2,4), (3,6), and (4,8) form a straight line, indicating that the relationship is proportional.
Relationship 2:
The relationship between x and y is y = x2.
When graphed on a coordinate plane, the points (0,0), (1,1), (2,4), (3,9), and (4,16) form a parabolic curve, indicating that the relationship is not proportional.
This answer states that when graphing a linear relationship (y = 2x) on a coordinate plane, the points form a straight line, indicating that the relationship is proportional. However, when graphing a non-linear relationship (y = x2) on a coordinate plane, the points form a parabolic curve, indicating that the relationship is not proportional.
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ANSWER ASAP
At the produce store, 6 bananas are the same cost as 9 apples. You buy 4 bananas and 2 apples. The purchase cost $8. This scenario is modeled by the given system. Choose the correct description below that connects the meaning of the solution (1, 1.5) to the context of this scenario.
6y=9x
2x+4y=8
A. Each apple costs $1.50 and each banana costs $1.
B. You purchased 1 apple and 1.5 bananas.
C. You purchased 1.5 apples and 1 banana.
D. Each apple costs $1 and each banana costs $1.50.
The solution (1, 1.5) denotes:
Each apple costs $1.
Each banana costs $1.50.
Option D is the correct answer.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Example:
2x + 3 = 9 is an equation.
We have,
6y = 9x _____(1)
2x + 4y = 8 ______(2)
From the equation,
x is the cost of an apple.
y is the cost of a banana.
Now,
(1, 1.5) = (x, y)
This means,
The cost of an apple = $1.
The cost of a banana = $1.5
Thus,
The solution (1, 1.5) denotes that the cost of an apple is $1 and a banana is $1.5.
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What is the answer for those expressions
a) Numerical Expression
b) Variable Expression (c)
c) Variable Expression (x)
d) Numerical Expression
What is a numerical expression and variable expression? A numerical expression is an expression that includes numbers and mathematical operations, such as addition, subtraction, multiplication and division. This type of expression typically results in a numerical value. An example of a numerical expression would be 2 + 4 = 6. A variable expression is an expression that includes variables and mathematical operations, such as addition, subtraction, multiplication and division. This type of expression does not result in a numerical value, instead it results in a variable or unknown value. An example of a variable expression would be x + y = z. In this expression, x and y are unknown variables and z is the unknown result of the expression. Variables can also be used in numerical expressions, such as 3x + 2 = 10. In this expression, 3x is a numerical expression, and x is a variable.To learn more about numerical expression refer to:
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Which of the following types of words must be capitalized? (5 points) a A government position when it comes before a specific name b Time of year when mentioned in a general way c The last word in a narrative sentence d Every word in a book title
The types of words must be capitalized is
A) A government position when it comes before a specific name
What is Word Capitalization?In writing systems with a case distinction, capitalization (American English) or capitalisation (British English) refers to writing a word with its initial letter as a capital letter (uppercase letter) and the other characters in lower case. The phrase could also be used to describe the choice of text case.
Given:
In English, the initial word of a phrase and all proper nouns are written in capital letters (words that name a specific person, place, organization, or thing).
The initial word in a quotation and the first word following a colon may occasionally both need to be capitalized.
So, the types word can be capitalized is a government position when it comes before a specific name like President Obama.
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answer two questions about systems aaa and bbb: system aaa \text{\quad}start text, end text system bbb \begin{cases}8x-3y
By removing both of the equations in system A and by bringing the first equation of system A, we may create system B from system A.
Multiple equations are compiled into systems of equations.
5x+y=3
4x−7y=8
System B
5x+y=3
x+8y=−5
1) From System A, how do we go to System B?
CORRECT (SELECTED) (SELECTED)
Substitute the difference or sum of the two equations in one equation.
2) Are the systems equal in the light of the prior response? Do they share the same solution, in other words?
CORRECT (SELECTED) (SELECTED)
Yes
As a result, we can obtain system B from system A by Subtracting the solutions to the two equations in system A
Additionally, by rewriting system A's initial equation
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5 of 5
Find the 8th term of the sequence below.
Tn = 2n²-3n - 6
T8 =
Sorry again I don’t understand how to do this :(
Answer:
8th term = 98
Step-by-step explanation:
Given equation,
→ Tn = 2n² - 3n - 6
Now the 8th term will be,
→ Tn = 2n² - 3n - 6
→ T8 = 2(8)² - 3(8) - 6
→ T8 = 2(64) - 24 - 6
→ T8 = 128 - 30
→ [ T8 = 98 ]
Hence, the 8th term is 98.
River is surfing off Cocoa Beach. The depth of the water at various distances from the shore, point
are shown in the diagram. When he is
feet (ft) from the shore a point
, the dept of the water is
ft. He continued to point
about
ft away from the shore.
The depth of the water RF is, 18 ft.
What is Proportional?Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.
We have to given that;
⇒ ΔSML ≅ ΔSRF
⇒ SM = 10
⇒ ML = 6
⇒ SR = 30
Since, Both triangles SML and SRF are similar.
Hence, We get;
⇒ SM / ML = SR / RF
Substitute all the values, we get;
⇒ 10 / 6 = 30 / RF
⇒ RF = 30 × 6 / 10
⇒ RF = 3 × 6
⇒ RF = 18 ft
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Solve the following radical equation
√4z²-13z+9+3∛=3z
Beginning with the first answer box. If applicable, the second answer box may be left blank
The solution to the radical equation is 9/7
How to determine the solutionFrom the question, we have the following radical equation
√4z²-13z+9+3∛=3z
Complete the equation
So, we have the following representation
√4z² -13z + 9 + 3∛27 = 3z
Evaluate the radicals
The equation becomes
2z - 13z + 9 + 3 * 3 = 3z
So, we have
2z - 13z + 9 + 9 = 3z
Evaluate the like terms
So, we have the following
14z = 18
Divide both sides by 14
z = 9/7
Hence, the solution is 9/7
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let be a subset of that is closed under multiplication (that is, if and are in , then so is ). let and be disjoint subsets of whose union is . given that the product of any three (not necessarily distinct) elements of is in and that the product of any three elements of is in , show that at least one of the two subsets , is closed under multiplication.
the product of any three (not necessarily distinct) elements of T is in T and that the product of any three elements of U is in U, show that at least one of the two subsets T, U is closed under multiplication.
Let S be a subset of R that is closed under multiplication (that is, if a and b are in S, then so is ab). Let Tand Ube disjoint subsets of S whose union is S .Given that the product of any three (not necessarily distinct) elements of T is in T and that the product of any three elements of U is in U, show that at least one of the two subsets T, U is closed under multiplication.
We start out with the assumption that neither T nor U is closed under multiplication and use proof by contradiction to prove that at least one of T or U must be closed under multiplication.
If t1, t2 ,t3 ∈T and u1 ,u2 , u3 ∈U, it is given by the problem that t1⋅t2⋅t3∈T
and u1⋅u2⋅u3∈U. Also, T and U are disjoint subsets of S and therefore, T∩U = ∅ Now let t3=u1⋅u2 and u3=t1⋅t2. These statements are valid because T and U are not closed under multiplication, so the product of u1⋅u2 must not be in the set U and the product of t1⋅t2 must not be in set T.
Then t1⋅t2⋅t3∈T is equivalent to t1⋅t2⋅u1⋅u2∈Tand u1⋅u2⋅u3∈U is equivalent to u1⋅u2⋅t1⋅t2∈U
However, this is a contradiction because these products both are the same —t1⋅t2⋅u1⋅u2— but T∩U= ∅ because Tand U are disjoint. Then the original assumption that "neither T nor U is closed under multiplication" must have been wrong, and at least one of T or U must be closed under multiplication.
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