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vfiekz [6]
3 years ago
5

Which of the following equations is equivalent to 2(a + 6) – 3(a – 5) = 18?

Mathematics
2 answers:
meriva3 years ago
5 0
Answer: c

use distributive property:
2(a+6)-3(a-5)+15=18
2a+12-3a+15=18

combine like terms:
2a+12-3a+15=18
-a+27=18
defon3 years ago
4 0

Answer:

\fbox{Option C}

Step-by-step explanation:

Let me know if you want the full explanation. Have a great weekend! ❤

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How many significant figures are there in the number 3,460?
AleksandrR [38]

Answer:

3 figures

Step-by-step explanation:

Just follow these steps!

Non-zero digits are always significant.

Any zeros between two significant digits are significant.

A final zero or trailing zeros in the decimal portion ONLY are significant.

4 0
3 years ago
Which equation would help determine the measure of angle D?
USPshnik [31]

Answer:

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Step-by-step explanation:

The first, third, and fourth one is all equations that can help determine the measure of angle C, not D.

Hope this helps!!

Plz let me know if I'm wrong...

7 0
3 years ago
What about for basketball?
kobusy [5.1K]

\huge\mathsf{\red{\underline{\underline{Answer}}}}

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4 0
3 years ago
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Find the value of n such that x2-10x+n is a perfect square trinomial.
mihalych1998 [28]
The answer is the last option (Option D), which is:

 D. 25

 The explanation is shown below:

 1. You have that:

 (a ± b)^2=a^2 <span>± 2ab + b^2

 2. The expression given in the problem is:

 </span><span>x^2-10x+n

 Where x^2=a and 2ab=10x

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 3. Therefore, you have:

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7 0
3 years ago
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Levart [38]

Step-by-step explanation:

0.777... is rational since it can be put in fraction form which is 7/9

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8 0
2 years ago
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