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8 months ago

9

How do to solve this problem? (The answer is 262 Hz) I don't need to know the question that it is asking. I just want to know ho

w to solve the equation and its answer. I am a grade 10 student if this helps you.

1 answer:

Romashka [77]8 months ago

3 0

Step-by-step explanation:

Given the formula below

$undefined$

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I need help plz plz plz help me ASAP. And SHOW YOUR WORK

antoniya [11.8K]

R= 8

C= 2,5•r+15
C= 2,5•8+15
C= 20+15
C= 35

Nina's total cost will be 35 $, £, € (i don't know which of them)

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3 years ago

Read 2 more answers

A football is kicked from the ground and follows the graph of the function y = –t2 + 3t, where y represents height and t represe

vesna_86 [32]

Answer:

The height of the objects are the same after 2 seconds.

Step-by-step explanation:

In order to calculate at which time both objects have the same height we need to find the value of t that makes both equations equal. Therefore:

$-t^2 + 3t = -t + 4\\t^2 - 3t - t + 4 = 0\\t^2 - 4t + 4 = 0\\t_{1,2} = \frac{-(-4) \pm \sqrt{(-4)^2 - 4*1*4}}{2*1} = \frac{4 \pm \sqrt{16 - 16}}{2}\\t_{1,2} = \frac{4}{2} = 2$

The height of the objects are the same after 2 seconds.

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2 years ago

0401) Which unitrate is equivalent to 17 miles per gallon

Dimas [21]

51 is the answer

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2 years ago

A car moves at 45 miles per hour. The time and the distance it travels are recorded.

irinina [24]

Answer:

the distance

Step-by-step explanation:

More time care travels, more distance it goes. So distance depends of the time.

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2 years ago

At a certain restaurant 8 Delmonico steaks cost 218$. Three tacos and 12 Delmonico steaks cost 267$. Write a system of equations

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There is 600 Dollars

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3 years ago