Plz help me I can't figure it out

Mathematics

1 answer:

lys-0071 [83]3 years ago

7 0

Answer:

$\sqrt{500}$

Step-by-step explanation:

when a value is outside of the root, then you can square it and put it back in. After you put it back in, you need to multiply it by the number that is remaining

In this case, you would square 10 which equals 100, and put it back into the root and multiply 100 by 5.

100x5=500

Therefore, the answer is A, root 500

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valentina_108 [34]

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Thank you:)))))))))))))

Anastasy [175]

Your welcomeeeeeeeeeee

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Simplify: 5/4x-8y-1/4x+7y+3 A)x-y+3 B)3/2x+y+3 C)3/2x-y+3 D)x+y+3

Dovator [93]

A)x-y+3 is your answer

Proof:

(5 x)/4 - 8 y - x/4 + 7 y + 3
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(5 x)/4 - (32 y)/4 - x/4 + (28 y)/4 + 12/4
(5 x)/4 - (32 y)/4 - x/4 + (28 y)/4 + 12/4 = (5 x - 32 y - x + 28 y + 12)/4:
(5 x - 32 y - x + 28 y + 12)/4
Grouping like terms, 5 x - 32 y - x + 28 y + 12 = (28 y - 32 y) + (5 x - x) + 12:
((28 y - 32 y) + (5 x - x) + 12)/4
28 y - 32 y = -4 y:
(-4 y + (5 x - x) + 12)/4
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(-4 y + 4 x + 12)/4
Factor 4 out of -4 y + 4 x + 12:
(4 (-y + x + 3))/4
(4 (-y + x + 3))/4 = 4/4×(3 + x - y) = 3 + x - y:
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3 years ago

Solve for θ if sinθ = 0.45. Round answer to the nearest degree.

marysya [2.9K]

If you look in a table of sines, you find that sin(θ) = 0.45 corresponds to an angle of about 26°45', so is nearest to 27°.

7 0

3 years ago

Plz help me I can't figure it out ​

Plz help me I can't figure it out