4 years ago

HELP ME PLZZ!!! EASY BUT I DONT GET IT!!!

Mathematics

1 answer:

Vika [28.1K]4 years ago

3 0

C if you need me to explain it then message me❤️❤️

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Need help plz its on the screenshot

user100 [1]

The answers are a and c

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3 years ago

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What is the value of x=2x + 9 = -27

Sergio039 [100]

<h3>I'll teach you how to solve 2x + 9 = -27</h3>

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2x + 9 = -27

Subtract 9 from both sides:

2x+9-9 = -27-9

SImplify:

2x=-36

Divide both sides by 2:

2x/2 = -36/2

Simplify:

x= -18

Your Answer Is x= -18

plz mark me as brainliest if this helped :)

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3 years ago

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Simplify.

Sidana [21]

<h3>Answer: $3\sqrt{7}$ </h3>

3*sqrt(7)

3 times the square root of 7

====================================================

Explanation:

I'm assuming the V stands for square root. You can write sqrt(63).

$\sqrt{63} = \sqrt{9*7}\\\\\sqrt{63} = \sqrt{9}*\sqrt{7}\\\\\sqrt{63} = 3\sqrt{7}$

The idea is to factor 63 in such a way that one factor is the largest perfect square possible, that way we can pull the root apart to simplify as shown above. The rule I used for the second step is $\sqrt{x*y} = \sqrt{x}*\sqrt{y}$

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A passenger on a ship dropped his camera into the ocean. If it is descending at a rate of -4.2 meters per second, how long (in s

Bezzdna [24]

It would take 446 seconds

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Can Someone please help me solve this problem?

blsea [12.9K]

30,000(1.067)^5

Punch that in a scientific calculator and you should get the answer.

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