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creativ13 [48]
3 years ago
13

Let sin(47o)=0.7314 . Enter an angle measure (β ), in degrees, for cos(β)=0.7314

Mathematics
1 answer:
amid [387]3 years ago
8 0
Sinx = cosb => x + b = 90 <=> b = 90 - 47 = 43o
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Write the composite number between 41 and 51
jek_recluse [69]
<span>42, 44, 45, 46, 48, 49, 50
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4 0
3 years ago
An arc subtends a central angle measuring 7pi/4 radians
Mumz [18]

Answer:

\frac{7}{8}

Step-by-step explanation:

In any circle the following ratios are equal

\frac{centralangle}{2\pi } = \frac{arc}{circumference}

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8 0
3 years ago
Find the rational number whose decimal expansion is 0.3344444
Eddi Din [679]
Answer: The fraction 301/900
Note: I'm assuming the 4's continue on forever

==============================================

Work Shown:

I'm going to assume that the 4s go on forever. I'll represent this with three dots after the last 4 like so
0.334444...

Now let x = 0.334444...

Multiply both sides by 100
x = 0.334444...
100x = 100*(0.334444...)
100x = 33.444444...

And repeat with 1000
x = 0.334444...
1000x = 1000*(0.334444...)
1000x = 334.444444...

Then subtract and solve for x. Notice how the decimal parts line up and cancel
1000x-100x = (334.444444...) - (33.444444...)
1000x-100x = (334+0.444444...) - (33+0.444444...)
1000x-100x = 334+0.444444... - 33 - 0.444444...
1000x-100x = (334-33)+(0.444444... - 0.444444...)
900x = 334 - 33
900x = 301
x = 301/900
6 0
3 years ago
Can i get the answers i need them or else i fail
denpristay [2]
The answer would be all of them except for 4,4 and 3,8 i’m pretty sure
3 0
2 years ago
Please help its due today
luda_lava [24]
The answer is x and y have a weak, positive correlation.
6 0
3 years ago
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