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wolverine [178]
2 years ago
7

Write and solve an equation to find the number n. The sum of twice a number and 13 is 75.

Mathematics
2 answers:
irina1246 [14]2 years ago
7 0

Answer:

31 is n

Step-by-step explanation:

75=13+2n

<em>75-13=62</em>

62=2n

<em>62/2=31</em>

31=n

xeze [42]2 years ago
7 0

Answer:

Let the required number be "n"

According to the above problem,

2n + 13 = 75 \\ 2n = 75 - 13 \\ 2n = 62 \\ n =  \frac{62}{2} \\  \boxed{n = 31 }

Therefore,

  • <u>n = 31</u> is the right answer.
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The radius of a circle is 3.9 in. Find the circumference to the nearest tenth.
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Answer:

C = 24.5 in

Step-by-step explanation:

Formula to find the circumference of a circle is :

C = 2πr

Here,

r ⇒ radius

So let us solve now.

C = 2πr

C = 2 × π × r

C = 2 × 3.14 × 3.9

C = 24.492 in

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Hope this helps you :-)

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3 years ago
Which of the following accurately lists all discontinuities of the function below?
jeka94
Checking the <span>discontinuity at point -4
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</span>
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3 years ago
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