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balu736 [363]
3 years ago
8

Please please help help me please please

Mathematics
1 answer:
Marianna [84]3 years ago
8 0
-6
-1
0
4
15
Hope that helped :)
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A race car driver lost 8 seconds off the leader for each of the 3 pit stops the driver made. At each of the next 2 pit stops the
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Answer:

-4 seconds

Step-by-step explanation:

The question says he lost 8 seconds off the leader for each of the 3 pit stops that he made

8 x 3 = 24

This means that 24 seconds was lost.

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The amount of time he is off leader =

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Answer:

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Step-by-step explanation:

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Select the correct answer from each drop-down menu.
Ahat [919]

Answer:

Cos θ  = -4/5

Tan θ = -3/4

Step-by-step explanation:

The question is as following:

Select the correct answer from each drop-down menu.

Angle θ lies in the second quadrant, and sin θ =3/5.

cos θ = -4/5, -3/5, 3/5, 4/5

tan θ = -4/3, -3/4, 3/4, 4/3

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

Since, the angle lies in second quadrant (negative x axis and positive y axis) we can deduce that cos θ is negative and tan θ is also negative.

If sin θ =3/5

cos \  \theta =\sqrt{1-sin^2 \theta} = \sqrt{1-(\frac{3}{5} )^2} =\sqrt{1-\frac{9}{25} }=\sqrt{\frac{16}{25} } =\frac{4}{5}

∴ Cos θ = -4/5 ⇒ because θ lies in the second quadrant.

And

Tan θ = (sin θ)/(cos θ) = (3/5) / (-4/5) = -3/4.

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3 years ago
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