Using multiplication, Correct option is B, Justin earned $144 in 4 weeks.
One of the four fundamental mathematical operations, along with addition, subtraction, and division, is multiplication. Multiply in mathematics refers to the continual addition of sets of identical size.
What components make up multiplication?The multiplicand, multiplier, and product are the components of a multiplication sentence. The first number is the multiplicand, the second number is the multiplier, and the result is the product. Let's examine a few various forms of multiplication sentences and discover how to finish them.
As per the question,
Each week they make a total of $72.00,
Money earned in 4 weeks = 72 × 4 = $288
They split in equal halves,
⇒ $288 / 2 = $144
∴ Justin earned $144 in 4 weeks.
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how would i simplify this? explain please
The simplified form of the given expression is [tex]4x^2y^3[/tex].
What are exponents?The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.
Depending on the abilities they possess, many rules of exponents are given.
Adding exponents while maintaining the same base is the rule for multiplying similar bases.
Exponents should be multiplied while bases are kept constant when bases are raised by a power of two or more.
Division Rule: When dividing similar bases, maintain the base constant and deduct the exponential of the denominator from the exponential of the numerator.
The given expression is:
[tex]\sqrt[4]{256x^8} * \sqrt[4]{y^{12}}[/tex]
The first term can be separated and written as follows:
[tex]\sqrt[4]{256} * \sqrt[4]{x^8} * \sqrt[4]{y^{12}}[/tex]
Using the identity [tex]\sqrt[n]{x^a} = x ^{\frac{a}{n} }[/tex] we can write the expression as:
[tex]4 * x ^{\frac{8}{4} } * y^{\frac{12}{4} }\\\\4x^2y^3[/tex]
Hence, the simplified form of the given expression is [tex]4x^2y^3[/tex].
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3) SHOPPING Clark spent a total of $46 on a pair of shoes and a new jacket. The shoes cost $8 more than the jacket. Write a system of equations to find the cost of the shoes x and the cost of the jacket y. Then find the cost of the shoes.
x+y=_______
y =x-_______
The cost of the shoes is $_________
The cost of the shoes is $19.
What is the cost of the shoes?Here are the system of equations that represent the question:
x + y = 46 equation 1
y = x - 8 equation 2
The substitution method would be used to solve these equations
Substitute for y in equation 1
x + x - 8 = 46
Combine similar terms: x + x = 46 - 8
Add similar terms together: 2x = 38
Divide both sides of the equation by 2: x = 38/2
x = 19
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Answer:
Follow the equations from the person above me, but instead the cost of the shoes is 27.
Step-by-step explanation:
What number must be added to 2x 3 7x 2 2x so that the resulting polynomial leaves the remainder 2 when divided by 2x 3?.
4x-2 is added to the given polynomial p(x) to leave the remainder=(-2).
[tex]p(x)=2x^3-7x^2+2x\\g(x)=2x-3\\dviding. p(x) by g(x),\\ we get2x-3)2x^3-7x^2+2x(x^2-2x2x^3-3x^2- +0 -4x^2+2x-4x^2+6x+ -0 -4xq(x)=x^2-2xand, r(x)=-4x\\Now,\\According to division algorithmp\\(x)=g(x)*q(x)+r(x)2x^3-7x^2+2x=(2x-3)(x^2-2x)+(-4x)\\adding 4x-2 on both side,\\ we get\\2x^3-7x^2+2x+4x-2=(2x-3)(x^2-2x)+(-4x)+4x-22x^3-7x^2+6x-2=(2x-3)(x^2-2x)+(-2)[/tex]
4x-2 is added to the given polynomial p(x) to leave the remainder=(-2).
A polynomial is described as an expression that consists of variables, constants, and exponents, which might be mixed with the use of mathematical operations along with addition, subtraction, multiplication, and department (No division operation by a variable).
In arithmetic, a polynomial is an expression that includes indeterminates and coefficients, that entail best the operations of addition, subtraction, multiplication, and fine-integer powers of variables. An instance of a polynomial of an unmarried indeterminate x is x² − 4x + 7.
Polynomials are sums of phrases of the form k⋅xⁿ, in which okay is any wide variety and n is a positive integer. for example, 3x+2x-5 is a polynomial. advent to polynomials.
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Complete Question:
what number must be added to[tex]2x^3-7x^2+2x[/tex] so that the resulting polynomial leaves the remainder -2 when divided by 2x-3
In a student council election Kyle receives 120 votes for president. If Kyle receives 60% of the votes, how many students vote in the election?
Answer:
200 students vote in the election
Step-by-step explanation:
We know
120 votes = 60%
1% = 2 votes
To find how many students vote in the election, we take
2 x 100 = 200 votes
So, 200 students vote in the election
What Are sin cos and tan ratios?.
The three fundamental trigonometric ratios, namely sine, cosine, and tangent, each yield the ratio of the lengths of the two sides of a right-angled triangle.
We are aware that the sides of a right-angled triangle are called the "legs" and the "hypotenuse," respectively. Thus, the longest side of a right-angled triangle is still referred to as the "hypotenuse" in trigonometry, while the other two legs are referred to as the "opposite side" and "adjacent side."
The opposite, adjacent, and hypotenuse sides of a right-angled triangle are used to define the sin, cos, and tan functions in trigonometry. These are the sin, cos, and tan formulae.
sinФ = OppositeHypotenuse
cos Ф = AdjacentHypotenuse
tan Ф = OppositeAdjacent
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Triangle def is formed by connecting the midpoints of the sides of triangle abc.
A triangle def is called a "midsegment triangle" and it is formed by connecting the midpoints of the sides of a triangle ABC.
The midsegment triangle is always parallel to the original triangle and has half the area. The three sides of the midsegment triangle are called the "midsegments" of the original triangle, and they are always parallel to the corresponding sides of the original triangle and have half the length.
A triangle defined by connecting the midpoints of the sides of triangle ABC is called a "midsegment triangle" or "medial triangle." The midsegment of a triangle is a line segment that connects the midpoints of two sides of the triangle and is parallel to the third side. The three sides of the medial triangle are the midsegments of the original triangle, and the three angles of the medial triangle are equal to one-half of the angles of the original triangle.
TriangleA triangle is a geometric shape that has three sides and three angles. It is a fundamental shape in Euclidean geometry and is one of the basic shapes in geometry. Triangles are classified based on their angles and sides, such as acute, right, and obtuse triangles. The sum of the angles in a triangle is always 180 degrees. Triangles can also be classified as equilateral, isosceles, or scalene based on the lengths of their sides. They are used in a variety of fields such as construction, engineering, and physics.
The triangle's characteristics are:A triangle's (of all varieties) total sum of angles is 180°.The length of a triangle's two longest sides added together is longer than the third side.Similarly to this, the length of the third side of a triangle third side is shorter than the difference between its two sides.The longest of a triangle's three sides is the side that faces the larger angle.A triangle's exterior angle is always equal to the product of its inner and exterior opposing angles. The outer angle attribute of a triangle refers to this characteristic.When the corresponding angles of two triangles match up and the side lengths are proportionate, two triangles are said to be comparable.Triangles have an area equal to one-half of their base and height.A triangle's perimeter is equal to the sum of its three sides.To know more about triangles on brainly : brainly.com/question/2773823
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Mai has picked 1 cup of strawberries for a cake which is enough for 3/4 of the cake. How many cups does she need for the whole cake?
Answer:
Mai needs 4/3 cups of strawberries in order to make the whole cake.
Step-by-step explanation:
1 cup of strawberries being equal to 3/4 of the cake is also the same as 1 cup of strawberries equaling 75% of the cake. So, what times 0.75 is equal to 1? That is 4/3.
What's the value of Y?.
Answer:
The vertical value in a pair of coordinates. How far up or down the point is. The Y Coordinate is always written second in an ordered pair of coordinates (x,y) such as (12,5). In this example, the value "5" is the Y Coordinate.
The perimeter of a rectangle i 52 feet. The length of the rectangle i 10 feet longer than the width. Find the dimenion of the rectangle
The length of the rectangle is 18 feet and width is 8 feet .
What is perimeter of rectangle?The perimeter of a rectangle is the sum of the lengths of all four sides of the rectangle. It is calculated by adding twice the length and twice the width. The formula to calculate the perimeter of a rectangle is
P = 2(L + W), where P is the perimeter, L is the length and W is the width of the rectangle. In simpler terms, it is the total distance around the rectangle.
The perimeter of rectangle is given by 2 ( l + b)
where l is length of rectangle and b is width of the rectangle
given that perimeter of rectangle is 52
so 2 (l+b)= 52
=> l+b=26 ---(i)
given l = b +10
=> l -b = 10 ---(ii)
adding equation (i) and (ii) we get :
2l = 36
=> l =36/2
so length = 18 and breadth = 18 - 10 =8
so the length is 18 and breadth is 8.
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The speed of a ship is given 3/4 where d is the distance the ship travel in 3 hours.if the ship travels 48miles in 3 hours.what was the speed of the ship
By taking the quotient between the distance and the time, we will see that the speed is 16 miles per hour.
How to find the speed of the ship?Remember that the speed is defined as the quotient between the distance traveled and the time in which that distance is traveled.
Such that:
speed = (distance)/(time)
Here we know that the ship can travel 48 miles in 3 hours, so:
distance = 48 mi
time = 3 hours
Then the speed is:
S = 48mi/3h
S = 16 mi/h
So the speed of the ship is 16 miles per hour.
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What does an increase of 1 on the Richter scale mean?.
An increase of 1 on the Richter scale means that the scale has increased by approximately 31 units in terms of Richter scale.
A 1.0 increment in the Richter magnitude scale results in a 31-unit difference in the intensity of an earthquake. The Richter scale (ML), a numerical measure of an earthquake's size, was devised by American seismologists Charles F. Richter and Beno Gutenberg in 1935.
The magnitude of an earthquake is determined by taking the height of the largest seismic wave and dividing it by the logarithm of its amplitude. The original Richter scale has been replaced in modern science by newer, more accurate scales, yet it is still routinely misrepresented in news reports of earthquake intensity as the logarithmic scale on which earthquakes are measured.
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n + 2means a number blank 2
n +2 represents that number is increasing by 2.
What is the number line?A horizontal line with evenly spaced numerical increments is called a number line. How the number on the line can be answered depends on the numbers present. The use of the number is determined by the question that it corresponds to, such as when graphing a point.
Given, n + 2
to put something with something else to increase the number or amount or to improve the whole: Beat the butter and sugar together and slowly add the eggs. She's added a Picasso to her collection.
that means the number is increasing by 2
Therefore, n +2 represents that number is increasing by 2.
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What is domain and range of a function?.
Answer: Domain and Range. The domain of a function is the set of values that we are allowed to plug into our function. This set is the x values in a function such as f(x). The range of a function is the set of values that the function assumes. This set is the values that the function shoots out after we plug an x value in.
Step-by-step explanation:
Need help finding the answer to this It doesn't make any since to me.
The circumference of a circle is 14π cm. What is the area, in square centimeters? Express your answer in terms of � π.
A circumference is not, first of all, calculated in square units. Square measurements can only be made for areas.
figuring out the circle's area:
find the circle's radius first
A circle's circumference is determined by
C = 2πr
Given that a circle has a 14π cm circumference
by entering C's value in the formula above, we obtain
14π = 2πr
Divide both sides by 2π
r = 7
Therefore, value of radius ( r ) is 7 cm
The circle's area is defined as :
A = π r^(2)
A = π ( 7 )^2
A = π ( 49 )
Consequently, the circle's area is
49π cm^2
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The scatter plot shows the systolic blood pressure of people of several different ages. The equation represents the linear model for this data. Y = x + 95 according to the model, how much does the systolic blood pressure increase for each year of age? responses 1 mm hg per year 1 mm hg per year 5 mm hg per year 5 mm hg per year 15 mm hg per year 15 mm hg per year 95 mm hg per year 95 mm hg per year 110 mm hg per year.
The equation Y = x + 95 shows that for each year increase in age, the systolic blood pressure increases by 15 mm hg.
1. Plot the data points on a scatter plot.
2. Draw a line of best fit that passes through as many data points as possible.
3. Calculate the slope of the line of best fit using the formula
m = (y2-y1) / (x2-x1).
4. For example, if the line of best fit passes through two points with coordinates (x1, y1) and (x2, y2), calculate the slope as:
m = (y2-y1) / (x2-x1).
5. The slope represents the increase in systolic blood pressure for each year of age.
The equation Y = x + 95 is a linear model that represents the relationship between age and systolic blood pressure. To calculate the increase in systolic blood pressure for each year of age, we can plot the data points on a scatter plot and draw a line of best fit that passes through as many data points as possible. The slope of this line of best fit is then used to calculate the increase in systolic blood pressure for each year of age. For example, if the line of best fit passes through two points with coordinates (x1, y1) and (x2, y2),
the slope can be calculated as
m = (y2-y1) / (x2-x1).
This slope represents the increase in systolic blood pressure for each year of age.
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pls help i have to do this quickly :')
Answer:
Circumference = 56.55
Area=254.47
Are all triangles 30 60 90?.
No, All 30-60-90 triangles are right triangles, but not all right triangles are 30-60-90 triangles.
No, not all right triangles are 30-60-90 triangles. A right triangle is a type of triangle that has one right angle (90 degrees) and two acute angles. The other two angles in a right triangle can have any measurement, they don't have to be 30-60-90 degrees.
A 30-60-90 triangle is a special type of right triangle that has specific angle measurements: one angle is 90 degrees (the right angle), one angle is 30 degrees, and one angle is 60 degrees. The ratio of the sides in a 30-60-90 triangle is also fixed, the longest side is opposite the 90-degree angle and it is always twice the length of the shortest side and the medium side is opposite the angle of 60 degrees and it's always the square root of 3 times the length of the shortest side.
For example, if a right triangle has angles of 45 degrees, 45 degrees, and 90 degrees, it is not a 30-60-90 triangle. The angles do not fit the pattern of 30-60-90 degrees.
Therefore, In short, all 30-60-90 triangles are right triangles, but not all right triangles are 30-60-90 triangles. A 30-60-90 triangle is a special type of right triangle with specific angle measurements and side ratios.
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How do you write domain and range examples?.
The domain and range are described for a relation, and they are the sets of all the x-coordinates and all the y-coordinates of ordered pairs, respectively. For example, if the relation is R = {(1, 2), (2, 2), (3, 3), (4, 3)}, then: Domain = {1, 2, 3, 4} and Range = {2, 3}.
The domain and range of a function are the elements of a function. The domain is the set of all the input elements of a function, and the range is the possible outcome given by the function.
Domain→ Function →Range. If there exists a function f: α → β such that every element of α are mapped to elements in β, then α is the domain, and β is the co-domain.
The image of an element 'p' under a relation R is given by 'q', where (p,q) ∈ R. The function's range is the set of images. The domain and range of a function are denoted in general as follows:
Domain(f) = {x ∈ R} and range(f) = {f(x): x ∈ domain(f)}.
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Graph a line that contains the point (-3,-4) and has a slope -5
Answer:
y = −5x − 19
Step-by-step explanation:
Find the equation using slope-intercept form.
y = −5x − 19
How much larger is the amplitude of waves from a 4. 0 earthquake relative to a 3. 0 earthquakes?.
An earthquake with a Richter scale value of 4.0 is 10 times more powerful than one with a value of 3.0.
On the Richter scale, every whole-number rise in magnitude corresponds to a 10-fold increase in observed amplitude.
In order to evaluate the size of different earthquakes, the Richter scale was initially developed to quantify the magnitude of earthquakes of moderate size (i.e., magnitude 3 to magnitude 7). The scale was created for earthquakes that occurred in southern California, were detected by the Wood-Anderson seismograph, and had epicenters that were less than 600 km (373 miles) away from the seismograph's position.
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My brain is broke and I have no brain cells .
THIS IS DUE TODAY HURRYYYY! PLEASEE
Based on the table of values, the slope and y-intercept include the following:
Slope = 1/2.y-intercept = -1/2.What is y-intercept?In Mathematics, the y-intercept is also known as an initial value and the y-intercept of any graph such as a linear function, generally occur at the point where the value of "x" is equal to zero (x = 0). Therefore, the y-intercept is equal to -1/2.
From the information provided in the table above, the slope and data points on this line include the following:
Points on x-axis (x) = (1, -1).Points on y-axis (y) = (0, 1).In Mathematics and Geometry, the slope of any straight line can be calculated by using this expression;
Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
Substituting the given points into the slope formula, we have;
Slope (m) = (1 - 0)/(1 + 1)
Slope (m) = 1/2
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Meghan owns 5 pairs of basketball shorts. If she wears a different pair every day for five days, how many different orders are there in which she could wear the shorts?
We can see here that the different orders that she can wear the shorts is 25.
What is an order?In mathematics, an order refers to the degree or highest exponent of a term in a polynomial equation. For example, the equation y = 3x^2 + 2x + 1 is a polynomial of order 2, because the highest exponent of x is 2.
In computer science, an order is a set of instructions for a computer to perform a specific task. For example, an order can be used to sort a list of numbers in ascending or descending order.
We see here that if the 5 pairs of basketball will go round on every day of the five days. Thus, it is: 5 x 5 = 25.
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A rectangular pool has an area of 640 square feet. The length is 12 feet shorter than the width.
The rectangular pool has a width of 80 feet and a length of 68 feet. The area is 640 square feet and the length is 12 feet shorter than the width.
1. 640 divided by 12 = 53.33
2. 53.33 + 12 = 65.33
3. Width = 65.33 feet
4. Length = Width - 12 = 65.33 - 12 = 53.33 feet
The area of the rectangular pool is 640 square feet. To find the width, we divide 640 by 12 because the length is 12 feet shorter than the width. 640 divided by 12 gives us 53.33. We add 12 to this number to get the width of the pool, which is 65.33 feet. To find the length, we subtract 12 from the width, which gives us 53.33 feet. Therefore, the width of the pool is 65.33 feet and the length is 53.33 feet. The area of the pool is 640 square feet and the length is 12 feet shorter than the width.
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26. Extended Problem Solving A
signal from a walkie-talkie can be
received up to 1 mile away. A signal
from a CB radio can be received up
to 5 miles away.
a. Calculate. Over how great an area
can a walkie-talkie transmit a
signal? Express your answer in
terms of Pi.
b. Calculate. Over how great an area can a CB radio transmit a signal?
Express your answer in terms of Pi.
c. Compare. Write a ratio to compare the area of CB radio reception to
the area of walkie-talkie reception.
The area over which the signal is transmitted are: a.[tex]\pi[/tex] b. [tex]25\pi[/tex] c. CB transmits 25 times more signal to walkie talkie.
What is ratio?When two quantities of the same units are compared, the ratio shows how much of one quantity is included in the other. Two categories can be used to categorize ratios. Part to whole ratio is one, while part to part ratio is the other.
The area of the circle is given by the formula:
[tex]A = \pi r^2[/tex]
For the walkie-talkie the signal is received up until 1 mile. Substitute the value of r = 1.
[tex]A _1= \pi (1)^2\\\\A_1 =\pi[/tex]
For the CB radio the signal is received up until 5 miles. Substitute the value of r = 5.
[tex]A_2 = \pi (5)^2\\\\A_2= 25 \pi[/tex]
a. The area over which a walkie-talkie can transmit its signal is [tex]\pi[/tex] miles.
b. The area over which a CB radio signal can transmit its signal is [tex]25\pi[/tex] miles.
c. The ratio of the transmitted signals are:
[tex]\frac{CB}{WT} = \frac{25\pi}{\pi} \\\\CB = 25 (WT)[/tex]
Hence, the CB signal transmits 25 times more than the signal transmitted by the walkie-talkie.
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Solve for x !
[tex] \large\pmb{\sf{2x + 3 = 4 - 8x}}[/tex]
Answer:
x=1/10
Step-by-step explanation:
2x+3 = 4-8x
2x+8x=4-3
10x=1
x=1/10
Help me write a simplified expression for the side length of the square. Please.
Answer:
Side length of square = -10b³ + 12
Step-by-step explanation:
Forming the equation,
→ P = 4 × side
→ P = 4a
→ [ a = P/4 ]
Now the side length of square is,
→ a = P/4
→ a = (-40b³ + 48)/4
→ a = (-40b³ ÷ 4) + (48 ÷ 4)
→ a = (-10b³) + (12)
→ [ a = -10b³ + 12 ]
Hence, side length is -10b³ + 12.
Answer:
-10b³ + 12
Step-by-step explanation:
The perimeter of a two-dimensional shape is the distance all the way around the outside.
As a square has four sides of equal length, the perimeter of a square is four times the length of one side.
Therefore, to find the expression for the side length of a square, simply divide the expression for the perimeter by 4.
[tex]\begin{aligned}\textsf{Side length of a square}&=\dfrac{\textsf{perimeter}}{4}\\\\\implies \textsf{Side length of the square}&=\dfrac{-40b^3+48}{4}\\\\&=\dfrac{-40b^3}{4}+\dfrac{48}{4}\\\\&=-10b^3+12\end{aligned}[/tex]
what are the coordinates of point M after a 90° clockwise rotation about p
The coordinates of point M after a 90° clockwise rotation about P is (0, -3).
Define the 90° clockwise rotation?Our point A(x,y) becomes A' when a point is rotated 90 degrees anticlockwise about the origin (-y,x). To put it another way, flip x and y, and give y negative.When position M (h, k) is rotated through 90 degrees in a clockwise direction around the origin O, the rotation of the point occurs. M' will represent the updated location of position M' (k, -h).Thus, by applying the rule of 90° clockwise rotation-
M = (3,0) taking P as reference point .
M' = (0, -3) after 90° clockwise rotation.
Thus, the coordinates of point M after a 90° clockwise rotation about P is (0, -3).
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Dulce et decorum Et by Wilfred Owen
read THIRD STANZA
why do you think tanza ha only two line long? think about the dramatic effect and the emotion. Help!!!!!!!!
The third stanza of Wilfred Owen's poem "Dulce et Decorum Est" is only two lines long, but it creates a gripping and powerful emotional impact.
Through the use of enjambment, the abrupt transition of the first line to the second creates an unsettling feeling, as if the speaker is struggling to express their thoughts and emotions. The imagery of the gas masks and the vivid depiction of the soldiers' "blood-shod" feet further amplify this emotion, providing a stark contrast to the ideals of glory and honor that the poem's title alludes to. This imagery also serves to evoke a feeling of despair and hopelessness, as the reader is confronted with the harsh realities of war. By using such a minimal amount of words, Owen is able to create an intense emotional effect that resonates with the reader and communicates a powerful message about the horrors of war.
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Is 100 a square number?.
