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stealth61 [152]
3 years ago
9

a theater has two screens and shows its movies continuously. a 30 minute documentary is shown on one. a 120 minute film is shown

on the other. If both showings start at noon, how many minutes will pass before both movies begin again at the same time?
Mathematics
1 answer:
BigorU [14]3 years ago
3 0
Answer:
120 minutes

Explanation:
The film starts at noon (12pm) and takes 120 minutes or 2 hours meaning it will stop and replay at 2:00pm. The documentary is 30 minuets meaning it will finish and replay again at 12:30, 1:00, 1:30 then at 2:00.
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Answer:

y=0

Step-by-step explanation:

Rewrite Evaluate Powers:

33^{2y-1}+3^{-1}+2*3^{y}*3^{-1}=1

Calculate:

(3^{y})^{2}*\frac{1}{3} +2*3^{y}*\frac{1}{3}=1

Solve using substitution:

(3^{y})^{2}*\frac{1}{3} +\frac{2}{3} *3^{y}=1     t=3^{y}

Solve the equation for t:

t^{2}*\frac{1}{3}+\frac{2}{3}t=1

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t=1

Substitute back to t=3^y

3^y=-3

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y∉R

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Answer:

If there's 10 cookies in the jar, and if 2 are peanut butter, the fraction for peanut butter cookies is 1/5, simplified.

Step-by-step explanation:

<u>Given:</u>

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Bolded text represents what we'll be focusing on.

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As a fraction, the peanut butter cookies are represented as:

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<u>Simplify:</u>

2/10 can be simplified by dividing both numerator and denominator by 2:

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1/5 is your answer.

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