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2 years ago

I can't figure this out, please help

Mathematics

1 answer:

Pavlova-9 [17]2 years ago

5 0

Step-by-step explanation:

The length along the x-axis is 5 - (-1) = 6. The length along the y-axis is 3 - (-1) = 4. The perimeter of this rectangle can be calculated as

$P = 2x + 2y = 2(6) + 2(4) = 20\:\text{units}$

The area of the rectangle can be calculated as

$A = xy = (6)(4) = 24\:\text{units}^2$

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A direct variation function contains the points (2, 14) and (4, 28). Which equation represents the function?

lara [203]

Answer:

$y=7x$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

we have the points (2,14) and (4,28)

Find out the constant of proportionality k

$k=y/x$

For (2,14) ----> $k=14/2=7$

For (4,28) ----> $k=28/4=7$

the value of $k=7$

therefore

The equation is

$y=7x$

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Answer:

Doesn't make sense.

Step-by-step explanation:

-1 ≤ cosθ ≤ 1

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2 years ago

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Answer:

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Step-by-step explanation:

Step 1: Simplify both sides of the equation.

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