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denis-greek [22]
3 years ago
10

There are (4^9)^5 •4^0 books are the library. What is the total number of books at the library?

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0

4^45

When you have exponents like that, you have to multiply them together. So, 9*5 =45

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What is the unit rate for 180 miles in 3 hours
Ugo [173]

Hello

Answer:

60 miles per hour

I have given a detailed explanation of the logic behind this.

Explanation:

Consider the structure of the wording: "miles per hour"

The word "per" means for each. There is you clue.

Each is, one of and one of is unit measurement

So the controlling element in this question is that you need to convert the 3 hours into 1 hour.

Using ratio properties

180

3

=

x

miles

1

hour

We need to 'force' the left hand side into the same form as the right. That is: we need to convert the denominator into 1 and see what happens to the numerator.

⇒

180

÷

3

3

÷

3

=

x

1

⇒

60

1

=

x

1

So the unit rate of speed is  

60

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per

−−−

hour

Hope this helps

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3 0
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Arisa [49]

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d/a 4

Step-by-step explanation:

8 0
3 years ago
4x^2-12x-1=0 in quadratic form
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Answer:

Step-by-step explanation:

8 0
3 years ago
Please help me with these. <br> Thanks
DIA [1.3K]
5.

f(K) = D^3 => f(25) = 125 => 25 * t = 125 ( because K is directly proportional with D^3 )=> t = 125 / 25 => t = 5 => f(25) = 25 * 5 => K * 5 = D^3 ;

6. 

f(L) = F^3 => f(2) =3^3 =>f(2) = 27 => 2 / t =27 => t = 2 / 27 => t = 0.074 => f(2) = 2 / 0.074 => K / 0.074 = F^3 ;


6 0
4 years ago
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Answer:

9

Step-by-step explanation:

12-3=9

8 0
3 years ago
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