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Natalija [7]
3 years ago
15

What value of x will make this true?​

Mathematics
2 answers:
ss7ja [257]3 years ago
7 0

x=36

I hope this helps! :)

Rom4ik [11]3 years ago
5 0

Answer: x = 36

Step-by-step explanation:

x = 36 only if 1/2 is being used as an exponent, which i think it is

simplify by distributing ^2 on both sides; equation is on next line

(x^1/2)^2 = 6^2 which when evaluated is x = 36

hope this helped, good luck! <3

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Which of these is the algebraic expression for "4 times the sum of 2 and y?"
Volgvan

Answer:

4(2 + y)

Step-by-step explanation:

"4 times the sum of 2 and y".

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5 0
3 years ago
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September 6 is a Read Book Day.Polina read 5 times as many pages as Marcus read.Together,the read 108 pages.How many pages did e
Gemiola [76]

Answer:

The number of pages that Polina read was 90 and the number of pages that Marcus read was 18

Step-by-step explanation:

Let

x -----> number of pages that Polina read

y ----> number of pages that Marcus read

we know that

x+y=108 ----> equation A

x=5y -----> equation B

substitute equation B in equation A and solve for y

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x=5y -----> x=5(18)=90

therefore

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3 0
3 years ago
20=2(r+7)<br> I need help with this equation
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8 0
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5 0
3 years ago
If sin square theta = 0.75, then cos =
sergeinik [125]

Answer:

\cos\theta=\pm0.5

Step-by-step explanation:

Given:

\sin^2\theta=0.75

To find \cos\theta

Using trigonometric relations for sums and differences of squares of the ratios.

We know:

\sin^2\theta+\cos^2\theta =1

Plugging in  \sin^2\theta=0.75 in the above relation.

0.75+\cos^2\theta =1

Subtracting both sides by 0.75.

0.75+\cos^2\theta-0.75 =1-0.75

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6 0
3 years ago
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