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Irina-Kira [14]
2 years ago
9

SOME PLEASE HELP OMG

Mathematics
2 answers:
11111nata11111 [884]2 years ago
8 0

Answer:

3(x+12)

Step-by-step explanation: you use a window washer.first you times 3 times x which 1 alone is a 1 so x 3x1. then x 3 times 3x12 and you get 36.so your answer is 3(x+36)

Ilia_Sergeevich [38]2 years ago
7 0

Answer: 3x plus 36

Step-by-step explanation:

You multiply inside the brackets by 3 and you get 3x+36

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Mr. Gonzalez bought 5 pounds of grapes for $15.How much did he spend per pound?
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7 0
3 years ago
Is the relationship shown by the data linear? If so, model the data with an equation. x y –7 5 –5 9 –3 13 –1 17
diamong [38]

Given:

The table of values is:

x :     -7          -5         -3           -1

y :      5           9         13          17

To find:

Whether the given data is linear and then find the equation.

Solution:

The given data is linear if the slope and rate of change is constant.

Slope formula:

m=\dfrac{y_2-y_1}{x_2-x_1}

Using the slope formula. we get

\dfrac{9-5}{-5-(-7)}=2

\dfrac{13-9}{-3-(-5)}=2

\dfrac{17-13}{-1-(-3)}=2

Since the rate of change is constant, i.e., 2, therefore the given data is linear.

The slope of a linear equation is 2 and it passes through the point (-7,5). So, the equation of the line is:

y-y_1=m(x-x_1)

y-5=2(x-(-7))

y-5=2(x+7)

y-5=2x+14

Adding 5 on both sides, we get

y-5+5=2x+14+5

y=2x+19

Therefore, the equation for the given data is y=2x+19.

8 0
3 years ago
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