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Nataly [62]
4 years ago
14

Help needed I need the answer with work shown for the graphs

Mathematics
1 answer:
andreyandreev [35.5K]4 years ago
6 0

top left: speed = 2.7 miles per hour  = 2.7 MPH

top right: speed = 0 miles per hour  = 0 MPH

bottom left: speed = 4 miles per hour  = 4 mi/h

bottom right: speed = 2 miles per hour  = 2 mi/h

and so, the fastest is bottom left. And pay attention in class! i'm in highschool and Iearned this in 6th grade!

Step-by-step explanation:

key: speed= distance/time

distance= speedxtime

time=distance/speed

top left: 8/3= 2.66667 MPH= 2.7 MPH

top right: 0/8= 0 MPH= 0 MPH

bottom left: 8/2= 4 MPH= 4 MPH

bottom right: 8/4= 2 MPH= 2 MPH

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tatyana61 [14]

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Explanation:

The given value is \cos (a)=0.325

Now, we shall find the value of sin (a), using the identity,

\sin ^2(a)+\cos^2(a)=1

Substituting the value of cos (a), we get,

\sin ^2(a)+(0.325)^2=1\\\sin ^2(a)+0.1056=1

Subtracting both sides by 0.1056, we have,

\sin ^2(a)=0.8944

Taking square root on both sides, we get,

sin a= 0.9457

Now, we shall substitute the value of sin (a) and cos (a) to determine the value of tan (a) in the identity tan (a) =\frac{sin(a)}{cos(a)}

tan (a) =\frac{0.9457}{0.325}\\tan (a) = 2.9098

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7 0
3 years ago
Sum of ten and the quotient of a number x and 6
Viktor [21]
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5 0
3 years ago
Read 2 more answers
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KonstantinChe [14]

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