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Marta_Voda [28]
3 years ago
12

Twice a number plus 8 is equal to 22​

Mathematics
2 answers:
erastovalidia [21]3 years ago
8 0

Answer:

7 × 2 + 8 = 22

Step-by-step explanation:

Ulleksa [173]3 years ago
3 0

Answer: uhh I don't get it but ima try it-

Step-by-step explanation:

Let the number be x.

Twice the number = 2x

Twice the number increase by 8 = 2x+8

Twice the number increase by 8 is 22

2x + 8 = 22

The solution to this equation will be as follows:

2x = 22 – 8

2x = 7

Divide both sides by the coefficient of x,that is 2 in this case:

2x/7 = 12/2  

So after you do that you get:

x = 21

I AM SO NOT SURE THIS IS THE ANSWER i think i did sum wrong

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Answer:

<h3>The answer is 17.5 units</h3>

Step-by-step explanation:

Using the distance formula

<h3>d =  \sqrt{ ({x2 - x1})^{2} +  ({y2 - y1})^{2}  }</h3>

the distance between (-10, 12) and (5, 3) is

<h3>d =  \sqrt{ ({5 + 10})^{2}  +  ({3 - 12})^{2} }</h3><h3>d =  \sqrt{ {15}^{2}  + ( { - 9})^{2} }</h3><h3>d =  \sqrt{225 + 81}</h3><h3>d =  \sqrt{306}</h3><h3>d = 3 \sqrt{34}</h3>

d = 17.492855

We have the final answer as

<h3>d = 17.5 units to the nearest tenth</h3>

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