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3 years ago

14

You run one lap around a mile track every 8 minutes. Your friend runs around the same track every minute. You both start at the

starting line at the same time.
Can anyone help me solve this?

1 answer:

Vladimir [108]3 years ago

6 0

Yeah sure i can help u please sate more clearly

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given that sine theta = 0, and cosine theta is less than zero, find the exact values of the other two trig functions

vekshin1

Answer:

θ = π + periods of 2π

Sin (π + 2π) = 0

Cos (π + 2π) = -1

Tan (π + 2π) = 0

Step-by-step explanation:

Sin (θ)=0 implies that θ only can be 0 or π plus periods of 2π:

θ = 0+2π

θ = π+2π

For Cos(θ) the values only can be:

Cos (0+2π) = 1 and

Cos (π+2π) = -1

from this, only Cos (π+2π) < 0

So θ only can be θ=π+2π

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Rationalize the denominator.

AlekseyPX

Hello and Good Morning/Afternoon!

<u>Let's take this problem step-by-step</u>:

<u>What the problem asks for:</u>

⇒ to rationalize the denominator

⇒ rationalize means that you multiply the numerator and

demonimator by the denominator

<u>Let's put that into action</u>:

$\frac{\sqrt{a +1}-2 }{\sqrt{a+1}+2 } * \frac{\sqrt{a +1}+2 }{\sqrt{a+1}+2 }\\=\frac{a +1-4 }{a+1+4\sqrt{a+1}+4 } \\=\frac{a-3}{a+4\sqrt{a+1}+5 }$ <== <u>Answer</u>

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2 years ago

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Sindrei [870]

Answer:

1 2/18

Step-by-step explanation:

I need 20 more words to answer so here you so hope you d good on your test/quiz :D

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sleet_krkn [62]

Answer:

n = 144

Step-by-step explanation:

6 / n = 5/120

6 * 120 = 5*n

5n = 6*120

5n = 720

n = 720/5

n = 144

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