3 years ago

I need your help please!! the answer choices are in the pictures as well

Mathematics

1 answer:

Ivanshal [37]3 years ago

8 0

Answer:

The line test is the third graph that shows a vertical line with two points plotted.

Step-by-step explanation:

A line test is used to determine if a graph is a function. Every input should only have one output. Since when she inputs 1.5 she gets two different answers it is not a function.

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A. 9 and 7+2x B. 1 and 2 respectively. C. 2 from 2x

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3 years ago

The length of each side of a square was decreased by 2 inches so the perimeter is now 49 inches. What was the original length of

aleksley [76]

The Original length of each side of square was 14.25 inches.

Step-by-step explanation:

Perimeter of a square is given by:

Perimeter = 4 * side

Let x be the original length of each side of square

decreasing 2 inch will mean

$x-2$

Perimeter of square after reducing 2 inches from each side

$4(x-2) = 49\\4x-8 = 49\\4x = 49+8\\4x = 57\\\frac{4x}{4} = \frac{57}{4}\\x = 14.25$

So,

The Original length of each side of square was 14.25 inches.

Keywords: Perimeter, square

Learn more about perimeter at:

#LearnwithBrainly

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3 years ago

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soldier1979 [14.2K]

Answer:

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Step-by-step explanation:

In order to find this, look for the greatest common factor and pull it out. Since both have factors of 4 and both have an x, we pull those out. We then divide each term by 4x to get what is left over.

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3 years ago

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The difference of twice a number and 2 is -21

Anna35 [415]

Answer:

2x-2= -21

Step-by-step explanation:

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The sum of w and fourteen is five. What is the value of w?