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Serga [27]
2 years ago
7

-87 1/8 as a decimal number

Mathematics
2 answers:
laila [671]2 years ago
7 0
- (87*8 + 1) / 8 = - 697/8 = - 87.125
Dmitrij [34]2 years ago
3 0
\frac{1}{8}=\frac{1\cdot125}{8\cdot125}=0.125\\\\-87\frac{1}{8}=-87.125
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What are the sine cosine and tangent of theta=7pi/4 radians
FrozenT [24]

Answer:

see explanation

Step-by-step explanation:

\frac{7\pi }{4} is in the fourth quadrant

Where sin and tan are < 0 , cos > 0

The related acute angle is 2π - \frac{7\pi }{4} = \frac{\pi }{4}

Hence

sin([\frac{7\pi }{4} ) = - sin(\frac{\pi }{4}) = - \frac{1}{\sqrt{2} } = - \frac{\sqrt{2} }{2}

cos(\frac{7\pi }{4}) = cos(\frac{\pi }{4}) =  \frac{\sqrt{2} }{2}

tan(\frac{7\pi }{4}= - tan(\frac{\pi }{4} = - 1

6 0
3 years ago
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Anastaziya [24]

Answer:

B

Step-by-step explanation:

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8 0
3 years ago
HELP!!!!!!!!!!!!!!!!
koban [17]
275=25x+100 is the correct equation for the number of months it will take for wade to save $275
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3 years ago
A triangle has side lengths of 13 in, 29 in, and 30 in. Classify it as acute, obtuse, or right.
kenny6666 [7]

Acute

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8 0
2 years ago
Our pool is twice as long as it is wide and is surrounded by a walkway of uniform width of 1 foot. The
Zigmanuir [339]

Step-by-step explanation:

x=width of pool

2x=length of pool

the dimensions of the rectangle forming the walkway and the pool are x+4 and 2x+4

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8 0
3 years ago
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