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gayaneshka [121]
3 years ago
9

This year the winner of the new york marathon ran the 8 kilometer event in 24 mins. What is the runners unit rate

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0
3km / 1 min because 24/8 =3
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In 1960, the population of a town was 14 thousand people. Over the course of the next 50 years, the town grew at a rate of 30 pe
andre [41]

SOLUTIONS

Given: Assume y is the population

\begin{gathered} t=0=1960,y=14030 \\ t=1=1961,y=14060 \\ so\text{ b = 14000} \\ so\text{ k = 30} \end{gathered}

The town grow at the rate of 30 people per year.

y=kt+14000y=30t+14000

(A) The population predicted to be in 2030 will be

\begin{gathered} 2030-1960=70 \\ y=30k+14000 \\ y=30(70)+14000 \\ y=2100+14000 \\ y=16100people \end{gathered}

(B) so when y = 15000, find t

\begin{gathered} y=15000 \\ y=30t+14000 \\ 15000=30t+14000 \\ 15000-14000=30t \\ 1000=30t \\ t=\frac{1000}{30} \\ t\approx33 \\ t=1960+33 \\ t=1993 \end{gathered}

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Step-by-step explanation:

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3 years ago
James is earning money to buy a $100 bicycle. For each dollar James earns, his mother has agreed to give him $1. So far, he has
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he has to earn $78 more.

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Evaluate x3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3.
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Answer:

Step-by-step explanation:

x^3-2y^2-3x^3+z^4

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-142

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Will this happen in avenger 4?
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