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Marina CMI [18]
3 years ago
15

7 − 9x − (x + 12) less than or equal to 25?

Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0

Answer:

x  ≥-3

Step-by-step explanation:

7 − 9x − (x + 12) less than or equal to 25

7 − 9x − (x + 12) ≤ 25

Distribute the minus sign

7 − 9x − x - 12 ≤ 25

Combine like terms

− 10x −5 ≤ 25

Add 5 to each side

− 10x −5+5 ≤ 25+5

− 10x ≤ 30

Divide by -10. Remember that this flips the inequality

− 10x/-10 ≥30/-10

x  ≥-3

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I need help with This question it saids how would you compare 2.3 feet To 27.1 inches
Savatey [412]

Answer:

TOP RIGHT BOX

2.3 x 12 = 27.6

27.6 > 27.1

Step-by-step explanation:

First thing you need to do is make their units the same.

There are 12 inches in a foot so we convert 2.3 feet to inches by multiplying 2.3 by 12:

2.3 x 12 = 27.6

You can also approach it like this:

12in = 1 ft

2.3ft\times\dfrac{12inches}{1ft}=27.6

So if we compare the two then we know that:

27.6 > 27.1

8 0
3 years ago
HELPP PLEASE !!!!!!
Setler [38]

Answer:

-9

Step-by-step explanation:

The in the first expression, y is to the -9'th degree, which means n is -9.

(If there are numbers of similar term multiplied together, the exponents are to be added.)

7 0
3 years ago
Can some one help me with this question its hard :( down below ill give brainliest
german

Answer:

The Answer is A. 8

Explanation:

<em>For Answer Choice A: </em>

There's nothing to explain here. It's just the number 8.

<em>For Answer Choice B: </em>

2 · 2 · 2 · 2 is 16. That symbol ( · ) is another way of writing the multiplication symbol. So this problem is essentially 2 x 2 x 2 x 2, which equals 16.

<em>For Answer Choice C: </em>

Well, this one needs no explanation either. It's just the number 16.

<em>For Answer Choice D: </em>

<em />2^{4} is also equal to 16. I'm too lazy to explain how to do this one so yea.  

Hope this helps you. Uh, yea. Have a good day? omg I'm so tired

4 0
3 years ago
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ollegr [7]

Answer:

Step-by-step explanation:

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3 years ago
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Dafna1 [17]
The answer will be 95° but I am not sure
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3 years ago
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