3 years ago

What is the value of x? Enter your answer in the box.

Mathematics

1 answer:

Lynna [10]3 years ago

3 0

That my friend is number 6

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Answer with Explanation please! Thank you!

Anna [14]

Answer:

The answer is D.

Step-by-step explanation:

First you have to get rid of brackets by expanding :

$3 {q}^{2} + {r}^{3} + 5r - 8q + 2( {q}^{2} + r)$

$= 3 {q}^{2} + {r}^{3} + 5r - 8q + 2 {q}^{2} + 2r$

Next you have to simplify by collecting like terms :

${r}^{3} + 3 {q}^{2} + 2 {q}^{2} + 5r + 2r - 8q$

$= {r}^{3} + 5 {q}^{2} - 8q + 7r$

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3 years ago

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3 inches to the nearest 1/2 inch

DaniilM [7]

Answer:

Step-by-step explanation:

8 0

4 years ago

Which statement best explains why the value of this expression is equal to −812y? 414x − 812y − 414x

GarryVolchara [31]

For this case we have the following expression:
414x - 812y - 414x
Rewriting we have:
414x - 414x - 812y
We group similar terms:
(414x - 414x) - 812y
Adding we have:
0 - 812y
- 812y
Answer:
The sum of a number and its opposite is 0, and the sum of any number and 0 is the number itself.

5 0

3 years ago

Which one is definitely wrong ?

ivanzaharov [21]

D) a.b > 0 is the wrong answer

8 0

3 years ago

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What is the measure of each angle of a regular 24-gon? If necessary, round to the<br> nearest tenth.

Butoxors [25]

Answer:

165°

Step-by-step explanation:

Find the interior angle measure by using the formula, ((n - 2) x 180°) / n

Plug in 24 as n:

((n - 2) x 180°) / n

((24 - 2) x 180°) / 24

(22 x 180°) / 24

3960 / 24

= 165

So, the measure of each angle is 165°

4 0

3 years ago