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slava [35]
3 years ago
12

NEED HELP FAST PLEASE.

Mathematics
2 answers:
Irina18 [472]3 years ago
6 0
For number 1, it is 297, for number 2, it is 216
damaskus [11]3 years ago
4 0
The first one is 297 and the second one is 216
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Evaluate the expression<br><br> 7x, if x = 11.
Anuta_ua [19.1K]

Answer:

77

Step-by-step explanation:

6 0
3 years ago
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The equation cos−1 = x can be used to determine the measure of angle BAC.
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we know that

in the right triangle ABC

the value of cosine of angle x is equal to

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x=cos(x)^{-1} =arc\ cos(0.34)=70.12\°

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3 years ago
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Alika [10]

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Step-by-step explanation:

8 0
2 years ago
Solve 3x - 4 ≤ 2 or 2x + 11 ≥ -1
Rufina [12.5K]
1.) 3x -4 <_ 2
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-4 + 4 = 0
2 + 4 = 6
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x <_ 2 is your answer for the first inequality.

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Subtract 11 from both sides.
11 - 11 = 0
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Divide both sides by 2.
2x / 2 = x
-12 / 2 = -6

x _> -6 is your answer for the second inequality.

I hope this helps!
5 0
3 years ago
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Step-by-step explanation:

Assuming you mean 10 to the power of -2, shift the decimal point two places to the left.

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3 years ago
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