3 years ago

Քɛօքlɛ

Mathematics

1 answer:

rjkz [21]3 years ago

7 0

27x2+12x
By the way the 2 is meant to be 27x squared but I don't know how to get the symbol

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DerKrebs [107]

If it tells you whats the perimeter, just add all sides up.

If it says to you whats the AREA just multiply the lenght by the width or lenght by high because its not 3D

Perimeter:outside

Area:inside

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3 years ago

What is the rate of change and initial value for the linear relation that includes the points shown in the table? x; 1,3,5,7

BARSIC [14]

Answer:

The rate of change is -5

The initial value is 25

Step-by-step explanation:

Since, this is a linear relation

so, we can select any two points and find equation of line

points are (1,20) and (3,10)

so,

$x_1=1,y_1=20$

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$m=\frac{y_2-y_1}{x_2-x_1}$

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now, we can use point slope form of line

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$y-20=-5(x-1)$

now, we can solve for y

$y=-5x+25$

we know that

slope is the rate of change

So, the rate of change is -5

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$y=-5\times 0+25$

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Tommy bought 30 gallons of gas for 60.50. How much would 12 gallons of gas cost?

bogdanovich [222]

Answer:

24.2

Step-by-step explanation:

divide 60.50 by 30 then multiply that by 12

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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