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hram777 [196]
3 years ago
11

I rlly suck at math so plz help lol

Mathematics
2 answers:
Jlenok [28]3 years ago
6 0

Answer:

A. 81

Step-by-step explanation:

Combine fractions, that equals 2/5 in your exponent. Three to the 2/5 power is 81. So answer A.

pychu [463]3 years ago
6 0

Answer:

a

Step-by-step explanation:

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7 0
3 years ago
100% of what number is 61
Dominik [7]

" 100% " means "the whole thing",
and "is" can be replaced by "is equal to".

You have said "The whole thing of a number is equal to 61."
or
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The only number that 61 can be equal to is 61.

3 0
3 years ago
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A town has a population of 17000 and grows at 3% every year. To the nearest year, how long will it be until the population will
Mumz [18]

Answer:

The population will reach 20,400 after 6 years.

Step-by-step explanation:

Exponential function:

y(t)=y_0(1+r)^t

y(t)= Population after t years

y_0 = initial population

r= rate of grow

t= time.

A town has a population of 17,000 and grows at a rate 3% every year.

y(t)= 20,400, y_0 = 17,000, r=3%=0.03, t=?

20,400=17,000(1+0.03)^t

\Rightarrow \frac{20,400}{17,000}=(1.03)^t

\Rightarrow \frac{102}{85}=(1.03)^t

Taking ln function both sides

\Rightarrow ln|\frac{102}{85}|=ln|(1.03)^t|

\Rightarrow ln|\frac{102}{85}|=t\ ln|(1.03)|

\Rightarrow t=\frac{ln|\frac{102}{85}|}{\ ln|(1.03)|}

⇒ t = 6 year.

The population will reach 20,400 after 6 years.

6 0
4 years ago
Listed in the Item Bank are individual steps that need to be ordered.
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