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valentinak56 [21]
3 years ago
5

Algebra- Multiple Choice

Mathematics
2 answers:
sasho [114]3 years ago
8 0
B, 8 and 9. 8x and 9x are coefficients
AURORKA [14]3 years ago
7 0
The second choice, 8 and 9 since they’re the numbers being multiplied by a variable.
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What value of x satisfies
LenaWriter [7]

Answer:

See explanation

Step-by-step explanation:

The given trigonometric equation is cos(90-x)=-\frac{\sqrt{3} }{3}.

We take the inverse cosine of both sides to get:

90-x=cos^{-1}(-\frac{\sqrt{3} }{3})

90-x=125

x=125-90

x=-35\degree=325\degree to the nearest degree

None of the options satisfies the given equation.

But if the question is actually;

cos(90-x)=-\frac{\sqrt{3} }{2}

Then;

90-x=\cos^{-1}(-\frac{\sqrt{3} }{2}).

90-x=210.

90-x=210.

x=-120\degree.

Or

x=360-120=240\degree.

In this case the answer will be B

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3 years ago
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STatiana [176]

Answer:

For this case, the first thing we must do is define variables:

x: number of hammers

y: number of wrenches

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x + y> = 14

Step-by-step explanation:

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Solve----------------------------------------------------
kifflom [539]
Surface area = 6 x 10^2
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Find the value of x. If necessary, round to the nearest tenth.
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Answer:

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