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netineya [11]
3 years ago
7

Which expression is equivalent to (9x - 3 1/8)-(7x + 1 3/8)

Mathematics
1 answer:
strojnjashka [21]3 years ago
7 0
2x - 4 1/2 is equivalent
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In ΔWXY, the measure of ∠Y=90°, YX = 40, XW = 41, and WY = 9. What ratio represents the cosine of ∠W?
PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

cosine W=9/41

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2 years ago
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The length of a rectangle is 3 less than twice the width. The perimeter of the rectangle is 66. Find the length and width of the
tekilochka [14]

Answer:

15.

Step-by-step explanation:

L + L + W + w = 66

L= w+3

W+3 + w+3 + w + w = 66

4xw + 6 = 66

4xw = 66 - 6

4xw = 60

W + W +w +w =60

W= 60/4

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3 years ago
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Answer:

20.78

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sin a = perpendicular/ hypotenuse

where a is the base angle

here a = 60

sin 60 = 18/ x

since,

\sin(60)   =  \ \frac{ \sqrt{3} }{2}

\frac{ \sqrt{3} }{2}  =  \frac{18}{x}

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x = 36/ √3

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5 0
2 years ago
Jaime has a board that is 8 feet long. He cuts the board into three equal pieces. How long is each piece.
ozzi
Answer:
Each piece is 2 ft and 8 inches long.

Explanation:
12 inches are in a foot, so 12 times 8 equals 96.You then divide 96 by 3 which is 32.So 32 inches is 12in+12in+8in= 2feet 8 inches
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3 years ago
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