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mr_godi [17]
3 years ago
9

3(x-7)

- 7" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
castortr0y [4]3 years ago
5 0

Answer:

3x-21

Step-by-step explanation:

We want to distribute the 3

3(x-7)

3*x -3*7

3x-21

xxTIMURxx [149]3 years ago
5 0

<u><em>Hi there!</em></u>

<u><em>Answer:</em></u>

<u><em>3x-21</em></u>

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

A=3, B=x, C=7

First, you expand.

3x-3*7

3*x=3x

3*7=21

<u><em>3x-21</em></u>

<u><em>Final answer is 3x-21</em></u>

Hope this helps!

Have a nice day! :)

:D

-Charlie

Thank you! :)

:D


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Mega Movies hosted a film premiere on Friday night. They charged $9 for adults and $5 for children. One hundred fifty-nine adult
timofeeve [1]

Answer:

The answer is D. 12 children, 147 adults.

Step-by-step explanation:

I solved all of the possibilities and only D was the answer.

A. 16 children, 143 adults = $1,367

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C. 9 children, 150 adults = $1,395

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6 0
2 years ago
What is the slope and y intercept of the line y= 4x -12-2x?
aleksandr82 [10.1K]
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6 0
3 years ago
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The coordinates of three vertices of square ABCD are A(−212,112),B(−212,−3), and C(2,112).
Lady_Fox [76]

Answer:

<em>P=760</em>

Step-by-step explanation:

Three of the coordinates of the square ABCD are A(-212,112) B(-212,-3) C(2,112). The image below shows the square is not ABCD but ABDC. In fact, this is not a square, as we'll prove later.

Note the x-coordinate of A and B are the same. It means this side is parallel to the y-axis. Also, the y-coordinate of A and C are the same, meaning this side is parallel to the x-axis. The missing point D should have the same x-coordinate as C and y-coordinate as B, i.e. D=(2,-3).

This shape has sides that are parallel to both axes.

To calculate the perimeter we find the length of two sides.

The distance from A to B is the difference between their y-axis:

w=112-(-3)=115

The distance from A to C is the difference between their x-axis:

l=2-(-212)=215

It's evident this is not a square but a rectangle. The perimeter is

P=2w+2l=330+430

P=760

7 0
3 years ago
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tigry1 [53]
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3 years ago
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$55 per gallon. 1 gallon covers 100sqft. What is the price per sqft?
Ulleksa [173]

Answer:$0.55

Step-by-step explanation:

6 0
3 years ago
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