Answer:
see attached 0 ⇒ 0–6
Step-by-step explanation:
Given a table of ages and weights, you want the average rate of change (per month) for consecutive pairs of table values.
Rate of changeThe average rate of change is the change in weight divided by the change in age. For example, in the interval 0–6 months, it is ...
(17.4 -7.8)/(6 -0) = 9.6/6 = 1.6 . . . . . pounds per month
The calculations are conveniently done for the rest of the table by a spreadsheet. The results are attached. The value on each line is the average over the interval from that age to the next.
find square root of 10609
Answer:
103
Step-by-step explanation:
because its the actual answer
Find a formula for the described function. A rectangle has perimeter 8 m. Express the area A of the rectangle as a function of the length, L, of one of its sides. State the domain of A
The domain of the area of the given rectangle is; 0 < A < 1
How to change the subject of the formula?The subject of a formula is defined as the variable that is being worked out. This subject of formula can be easily recognized as the letter that is on its own on one side of the equals sign. For example, in the formula for the area of a rectangle A = bh, the subject of the formula is A.
Now, we are told that the rectangle has perimeter of 8 m.
The formula for the perimeter of a rectangle is;
P = 2(L + W)
We are told that the perimeter is 8 m. Thus;
2(L + W) = 8
L + W = 4
W = 4 - L
Formula for area of a rectangle is;
A = LW
Thus;
A = L(4 - L)
A = 4L - 4L²
At A = 0, we have L = 0 OR 1
The value of A cannot be zero or 1 and as such the domain of A is the;
0 < A < 1
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Which people's scores on the bar chart do not match the data given in the table?
Geography vs History test scores
Bookwork code: E40
Samuel
12
Isabella 18
7
19
10
Bradley
Phoebe
Charles
Geography History
test score test score
Calculator
not allowed
14
15
9
13
6
20 15 10 5 0
Geography test score
Samuel
Isabella-
Bradley
Phoebe
Charles
0
5 10 15
History test score
20
The people whose scores on the bar chart do not match the data given in the table are Georgia and Eleanor.
What is a bar chart?In Mathematics, a bar chart (bar graph) simply refers to a type of chart that is used for the graphical representation of a population (data set), especially through the use of rectangular bars and vertical columns.
Based on the given bar chart which represents people's test scores in English and French, we can reasonably infer and logically deduce that table showed that Eleanor scored 12 in her English test while it was recorded as 14 on the bar chart.
Similarly, the table showed that Georgia scored 18 in her English test while it was recorded as 15 on the bar chart.
In conclusion, both Georgia and Eleanor were not correctly recorded on the bar chart.
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Please help me !! I need help asap
In given fractions 8/9 is 1/36 large than 31/36
Comparing Fractions:Finding the larger and smallest fraction in between two or more fractions is known as comparing fractions.
We need to change fractions with unlike denominators into fractions with similar denominators in order to compare them. For this, we will find the denominators' Least Common Multiple (LCM).
If the denominators are the same then it is easy to compare the fractions.
Here we have
31/36 and 8/9
To find the largest fraction convert both denominators into the same
Here LCM(36, 9) = 36
Now multiply both numerator and denominators of fractions with a number to change the denominators
=> [tex]\frac{31}{36} \times \frac{1}{1} = \frac{31}{36}[/tex]
=> [tex]\frac{8}{9} \times \frac{4}{4} = \frac{32}{36}[/tex]
From the above calculations given fractions are 31/36 and 32/36
Difference = [tex]\frac{32}{36} - \frac{31}{36} = \frac{1}{36}[/tex]
Therefore,
In given fractions 8/9 is 1/36 large than 31/36
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Find the mode for the following set of data78,60,54,76,64,56,62,67
Answer:
There is no mode for this set of numbers.
Step-by-step explanation:
The mode is the value that appears most frequently in a data set.
54,56,60,62,64,67,76,78
In this set of numbers no value appears more than once.
This means there is no mode for this set of data.
The great pyramid has base length b = 233 meters and height h = 147 meters. Assume one side of this pyramid can be represented by a triangle formed by points depicted in the following diagram. Find the area (in square meters) of one side (shaded green in the diagram).
The area of the triangular side of the pyramid is given as follows:
21,852 m².
How to obtain the area of the side of the pyramid?We consider that the side of the pyramid is triangular, hence we must consider that the area of a triangle is obtained as half the multiplication of the base by the height, that is:
Area = base x height / 2.
Considering b = 233, and dividing by the square root of 2, the coordinates of the endpoints of the base are given as follows:
(164.76, 0, 0) and (0, 164.76, 0).
Hence the length of the base is obtained using the distance between two points as follows:
Base = [tex]\sqrt{164.76^2 + 164.76^2}[/tex]
Base = 233.
The midpoint of the base has the coordinates given as follows:
(82.38, 82.38, 0).
The height is the distance between (0,0,147) and (82.38, 82.38, 0), hence it is given as follows:
Height = [tex]\sqrt{82.38^2 + 82.38^2 + 147^2}[/tex]
Height = 187.57.
Hence the area is of:
Area = 0.5 x 233 x 187.57
Area = 21,852 m².
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Simplify the following.
The value of the expression is (x∧2m-15)Yy∧5n +1). Option B
How to simplify the expression?You should understand that simplification involves making an expression more simpler to understand. Also, the expression is in index form that involves the division law of indices.
the given expression to be simplified is
(x∧3m-8)/x∧m-7) (y∧7n +1)/(y∧2n)
This can be simplifies as follows
(x∧3m-8-(m-7)(y∧7n+1(2n)
Simplify further to have the value
(x∧3n-8-m-7)(y∧7m-2n+1)
This implies that the value is
(∧2m-15)(y2n+1)
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Will, I get my answers right away?
Find the vertex, focus and directrix of the parabola
Y=1/6(x²-8x+6)
Vertex: (4,1/6) Focus: (4,7/12) Directrix: x=2
In 25 years, a bond that paid 7.75% simple interest earned $3,875 interest. What was the principal of the bond in dollars?
Answer:
The principal of the bond can be calculated using the formula Principal = Interest / Rate x Time. In this case, the interest is $3,875, the rate is 7.75%, and the time is 25 years. Therefore, the principal of the bond is: Principal = $3,875 / 0.0775 x 25 = $20,000.
Step-by-step explanation:
The principal of the bond can be calculated using the formula Principal = Interest / (Rate x Time), where Interest, Rate and Time are given in the problem statement.
By using this formula, the principal of the bond is $20,000. This is the amount of money that was invested to earn the interest of $3,875 over 25 years with the interest rate of 7.75%.
X≠? F(x)=sin(2x/(1+sin(2x))
Step-by-step explanation:
a/b is invalid, when b = 0.
so, F(x) is invalid, if (1 + sin(2x)) = 0.
(1 + sin(2x)) can only be 0, if sin(2x) = -1
sin(angle) = -1
angle = 2x = 270° or 3pi/2
x = 135° or 3pi/4
so,
x <> 135° or 3pi/4
If 11x= 3y= 99z, then 1x+1y+1z=_______
11x = 99z
x = 9z
3y = 99z
y = 33z
1x + 1y + 1z = 9z + 33z + 1z = 43z
А
5 m/s
2 m/s
A-B = ?
The correct answer is C. You've got that right.
f(x) = x-4 / x^2 +13x + 36
Answer:
Step-by-step explanation:
This is a quadratic function, which is a function of the form f(x) = ax^2 + bx + c, where a, b and c are constants. The function can be written in general form as f(x) = (x-4) / (x^2 +13x + 36).
To find the roots of the function (i.e. the points at which the function intersects the x-axis), we can use the quadratic formula:
x = [-b +/- sqrt(b^2 - 4ac)] / 2a
In this case, a = 1, b = 13 and c = 36.
Substituting these values into the quadratic formula, we get:
x = [-13 +/- sqrt(169 - 4(1)(36))] / 2
x = [-13 +/- sqrt(97)] / 2
x = [-13 +/- 9.8488578] / 2
x1 = -1.1744289
x2 = 11.1744289
Therefore, the roots of the function are x1 = -1.1744289 and x2 = 11.1744289.
Raquel trabaja en un banco. El banco en el que trabaja Raquel recibió una previsión de 1 024 monedas de 10 centavos. Cada rollo de monedas de 10 centavos contiene 8 monedas. ¿Cuántos rollos de 10 centavos recibió e banco?
Answer:
El banco recibió 128 rollos de monedas de 10 centavos.
Step-by-step explanation:
Para saber cuantos rollos de monedas de 10 centavos recibió el banco, podemos dividir el total de monedas recibido entre el número de monedas por rollo.
(1 024 monedas) / (8 monedas/rollo) = (x rollos)
Donde x es el número de rollos recibido. Para calcular x se divide 1 024 entre 8
x = 1 024 / 8
x = 128
Summer Campers John and Ryan Are Trying To Earn Thier Archery Merit badges Each Boy has 30 Arrows and Must hit the center of the Target More Than 10 Times John hits the Center 1 Time for every 3 Arrows he Shoots. Ryan Hits the Center 2 times for every 5 arrows he shoots.which boy earns an Archery Mertit Badge
Answer:
Ryan
Step-by-step explanation:
Let's calculate the probabilities of John and Ryan hitting the target center
Let P(J) and P(R) be the respective probability representations
For John
John hits the center 1 time for every 3 tries(arrows)
Therefore
[tex]P(J) = \dfrac{1}{3}[/tex]
Out of 30 arrows (and therefore 30 attempts) the expected number of times that John can hit the center is given by
[tex]30\cdot \dfrac{1}{3} = 10\\[/tex]
Since you need to hit the center more than 10 times, John is not expected to win the merit badge
For Ryan
Ryan Hits the center 2 times for every 5 arrows (attempts)
[tex]P(R) = \dfrac{2}{5}[/tex]
With 30 arrows the expected number of times that Ryan hits the target is:
[tex]30\cdot \dfrac{2}{5} = 18\\\\[/tex]
So Ryan is expected to win the Archery Merit Badge.
Important Note
Here you have to be careful of the words you use and interpret the results with some reality checks.
Probabilities after all are based on previous trials and represent only an estimate of guarantees of future events. That's why I have repeatedly used the word expected.
After all, John maybe able to hit the center a 11th time and thus he too will earn a merit badge.
In my opinion a poorly worded question
What would 1+1 equal if we add 0
Answer:
any number added to 0 is equal to itself.
Step-by-step explanation:
Answer:
... 2?
Step-by-step explanation:
1+1+0 = 2
Please what is the right answer?
well, more often than not we arrange a polynomial in a descending order per degree of term, now, depends on the operation needed for it, we do or we don't, but more often we do.
the assumption in the material is that there are some missing terms in the desscending order. Check the picture below.
A rectangular prism has the following dimensions: / = 5a, w =
find the volume of the rectangular prism.
O 10a - 30a + 10a²
O 10a³-3a² + a
O 10a - 30a + 10a³
O 10a -30a³ + 10a²
2a, and h= (a³ - 3a² + a). Use the formula V = 1. w. h to
The volume of the rectangular prism is 10a⁵ - 30a⁴ + 10a³. Option A
How to determine the volume of the rectangular prismThe formula for determining the volume of a rectangular prism is expressed as;
Volume = l × w × h
Given that the parameters are;
L is the length of the rectangular prismw is the width of the rectangular prismh is the height of the rectangular prismWe also have their values as;
Length, l = 5a
Width = 2a
h = (a³- 3a² + a)
Substitute the values, we get;
Volume = (5a . 2a. a³- 3a² + a)
Volume = 10a⁵ - 30a⁴ + 10a³)
Since they have different powers, it is impossible to add the like terms
Hence, the expression is 10a⁵ - 30a⁴ + 10a³
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help with this please
Answer:
C, E and F
Step-by-step explanation:
Can anyone here solve for smiley face on this?
The value of the expression - 9(18 - 9 + 12) + 12(- 9 + 18 + 18) is 135.
What are the types of solutions a system of linear equations have?If a system of equations only contains two linear equations with two variables, the system's equation can be graphed, the graph will have two straight lines, and the intersection point(s) of those lines will be the system's solution.
There are only three matching forms of solution for a given system of equations because there are only three different ways that two straight lines in the plane can graph.
Let, The rectangle be x, the triangle by y, and the star be z.
Therefore,The three linear equations are,
x + 3y + z = 57...(i)
12x + 5y = 234...(ii)
8x - 6x + 3x = 60...(iii)
5x = 60.
x = 12.
Putting the value of x in eqn(ii) we have,
12(12) + 5y = 234.
144 + 5y = 234.
5y = 90.
y = 18.
Now, Putting the value of x and y in eqn(i) we have,
12 + 3(18) + z = 57.
12 + 54 + z = 57.
z = - 9.
So, The value of the expression z(y + z + x) + x(z + y + y) is,
= - 9(18 - 9 + 12) + 12(- 9 + 18 + 18).
= - 9(21) + 12(27).
= - 189 + 324.
= 135.
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Every 10 seconds in escalator step rise is 6 feet
a)
Think of this as a graph
Time (x)-10-20-30-40
Distance escalator rises (feet)
b) Draw a graph to represent the situation. All axis must be properly labeled using appropriate skills that at least four data points fit on the graph c) what is the slope line
d) interpret the unit rate
e) what is the equation of the line
The equation y = 0.60x. The 0.60 represents the 0.60 feet in each second rise. The table is completed below.
What is a linear equation?A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.
The linear equation is given as,
y = mx + c
Where m is the slope of the line and c is the y-intercept of the line.
Every 10 seconds in the escalator step rise is 6 feet.
Let 'y' be the number of feet and 'x' be the number of seconds. Then the equation is given as,
y = 0.60x
Then the table is given as,
Time (x) Distance escalator rises (feet)
10 6
20 12
30 18
40 24
The 0.60 represents the 0.60 feet in each second rise.
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3. George intends to drive from Atlanta to Chicago, a distance of 710
miles. He drives at an average rate of 46 miles per hour for the first 5
hours. What is his average driving rate for the remainder of the trip if
the entire trip takes 12.5 hours?
Answer:
64 mph
Step-by-step explanation:
46 x 5 = 230
710 - 230 = 480 is the distance that he has left
distance = rate x times
480 = rate x 7.5 (12.5 -5 = 7.5)
480 = r(7.5) Divide both sides b y 7.5 to find the rate
480/7.5 = [ r(7.5) ]/7.5
64 = r
Amina runs a small café at the festival and her piece of ground
is 6.0 m x 5.0 m. She wants to put up a tarp roof to shelter
the entire area. The angle at the central top of the roof has to be 90°.
What is the minimum length and width of the tarp in order to
cover the whole roof?
Answer:
The minimum length and width of the tarp would be the diagonal length of the café's piece of ground. To find this length, you can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the lengths of the other two sides. In this case, the café's piece of ground forms a right triangle, with one side measuring 6.0 m and the other side measuring 5.0 m. So, to find the length of the hypotenuse, we can use the formula: c = √(a^2 + b^2) where c is the length of the hypotenuse and a and b are the lengths of the other two sides. Plugging in the numbers, we get: c = √(6.0^2 + 5.0^2) = √(36 + 25) = √(61) = 7.81 m
So, the minimum length and width of the tarp would be 7.81 m.
A pole that is 2.5 m tall cast a shadow that is 1.63 m long. At the same time, a nearby building cast a shadow that is 35.75 m long. How tall is the building?
Answer:
The building is 36.62 m long.
Step-by-step explanation:
The difference between the pole and its shadow》2.5m - 1.63m = 0.87m {So the shadow pole is 0.87m shorter than the actual pole }So if the shadow of the building is 35.75m....then the actual building should be 0.87m longer than it, therefore 》35.75m + 0.87m = 36.62 mhow many times does 11 go into 40
The required, 11 goes into 40 three times with a remainder of 7.
What is simplification?Simplification involves applying rules of arithmetic and algebra to extract undeserved terms, factors, or processes from an expression. The goal is to obtain an expression that is easier to work with, manipulate, or solve. For example, simplifying an algebraic expression might involve combining like terms, factoring, or using the distributive property
11 goes into 40 three times with a remainder of 7.
We can use long division to find the answer:
3
11 | 40
33
---
7
Therefore, 11 goes into 40 three times with a remainder of 7.
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Which of these choices show a pair of equivalent expressions? Check all that apply
So, on solving the provided question we can say that [tex]24\sqrt{ 75/7}[/tex] and [tex]\sqrt{67/2 }[/tex] these both are are radials from the given expressions
what are radicals?A radical is a symbol for the square root or nth root. Root expressions are those that contain square roots. A number or word that appears there is a radical's radicand. Examples are the radicals 7 and 2y+1. Radicals can also be characterized by the following terms: Equations containing radicals are referred to as radical equations. The expression found inside the square root is known as a "root expression." The digits 2, 372, 2x+7, and 41p serve as illustrations of radical representations.The term "root expression" refers to the expression found inside the square root. Examples of radical representations are the numbers 2, 372, 2x+7, and 41p.
[tex]24\sqrt{ 75/7}[/tex] and [tex]\sqrt{67/2 }[/tex] here,
these both are are radials from the given expressions
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G(x)=-f(x)+10 and h(x)=-f(x-4)+10 functions g and h differ
The difference between the functions G(x) and h(x) is 4 units.
What are the functions?The function is defined as a mathematical expression that defines a relationship between one variable and another variable.
The functions are given in the question, as follows:
G(x)=-f(x)+10 and h(x)=-f(x-4)+10
Since the functions, g and h differ
This can be seen by subtracting G(x) from h(x):
h(x) - G(x) = (-f(x-4) + 10) - (-f(x) + 10)
h(x) - G(x) = 4.
This means that for any value of x, the output of h(x) will be 4 units greater than the output of G(x).
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which complex number has an absolute value of square roof of 13 ?
Answer:
There should be 8 of them
- 2 - 3i
- 2 + 3i
2 - 3i
2 + 3i
- 3 - 2i
- 3 + 2i
3 - 2i
3 + 2i
Thanks
absolute value is the real part squared + the complex part squared and the root of the things you get.
|a + ib|
= √(a²+b²)
so the sign doesn't matter
I need help ASAP!! thanks if you help <3
The integers that -3.425 lie between are -3 and -4.
The rational numbers that -3.425 lie between to the nearest tenth are -3.4 and -3.5.
The rational numbers that -3.425 lie between to the nearest hundredth are -3.42 and -3.43.
What are the integers and rational numbers ?Integers are numbers without decimals and fractions. They are whole numbers. Integers can either be positive, negative or zero. Examples of integers are -5 and 10.
A rational number is a number that can be expressed as a fraction of two integers. Examples of rational numbers are 1/4, -2/3
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