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4 years ago

Consider the expression 7x2 - 4 - 9x. What is the coefficient of x?

Mathematics

1 answer:

Mumz [18]4 years ago

6 0

Answer:

D) 9

Step-by-step explanation:

7 x 2 - 4 - 9x

14 - 4 - 9x

10 - 9x

You could easily see at first that the coefficient of x is 9 because the coefficient is the number that is before the variable, but you can also do the whole process.

Hope this was helpful :)

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3 years ago

The pair of figures to the right are similar. what is the ratio of the perimeters and the ratio of the areas?

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Answer:

the ratio of perimeters is 3/5

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2 years ago

Na-m; use m=2; and n=8

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3 years ago

ANSWER SUPER QUICK

faltersainse [42]

Answer: The required equation is $x=(7\times12-34.5)\div8\frac{1}{4}$

Maria can cut 6 sections from the remaining rope.

Step-by-step explanation:

The total length of rope = 7 feet

since 1 feet = 12 inches

Therefore, 7 feet= $7\times 12=84\ inches$

Let x be the number of sections.

Since the instructions are to use 34.5 inches of rope to tie a tarp on top the the tent. Then, the remaining rope should be cut 8 1/4 inch sections to tie tent to stakes in the ground.

then the required equation will be

$x=(7\times12-34.5)\div8\frac{1}{4}\\\Rightarrow\ x=(84-34.5)\div \frac{33}{4}\\\Rightarrow\ x=49.5\div8.25\\\Rightarrow\ x=6$

So, maria can cut 6 sections.

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3 years ago