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3 years ago

13

Can someone please help me with this help me please!!!

1 answer:

vovangra [49]3 years ago

8 0

Answer:

These are all mathematical divisions of time. Fractions are used in music to indicate lengths of notes. In a musical piece, the time signature tells the musician ...

step-by-step equations:

Music is made up of all sorts of rhythms, and each rhythm can be broken down into smaller pieces: measures, which are fractions of rhythmic phrases, and beats, ...Step-by-step explanation:

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What is 70% (percent) of 80?

romanna [79]

70 percent of 80 is 56.

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2 years ago

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The population of a town grows at a rate proportional to the population present at time t. The initial population of 500 increas

Mazyrski [523]

Answer:

The population in 40 years will be 1220.

Step-by-step explanation:

The population of a town grows at a rate proportional to the population present at time t.

This means that:

$P(t) = P(0)e^{rt}$

In which P(t) is the population after t years, P(0) is the initial population and r is the growth rate.

The initial population of 500 increases by 25% in 10 years.

This means that $P(0) = 500, P(10) = 1.25*500 = 625$

We apply this to the equation and find t.

$P(t) = P(0)e^{rt}$

$625 = 500e^{10r}$

$e^{10r} = \frac{625}{500}$

$e^{10r} = 1.25$

Applying ln to both sides

$\ln{e^{10r}} = \ln{1.25}$

$10r = \ln{1.25}$

$r = \frac{\ln{1.25}}{10}$

$r = 0.0223$

So

$P(t) = 500e^{0.0223t}$

What will be the population in 40 years

This is P(40).

$P(t) = 500e^{0.0223t}$

$P(40) = 500e^{0.0223*40} = 1220$

The population in 40 years will be 1220.

7 0

3 years ago

Select all answers that have a value of 22?? Help..

Tom [10]

Let's plug in the variables one by one.

6g - 2h

plug in 5 for g and 4 for h

6(5) - 2(4)

multiply

30 - 8

subtract

→ 22

20g

plug in 2 for g

20(2)

multiply

40

2(g + 1)

plug in 10 for g

2(10 + 1)

add

2(11)

multiply

→ 22

4g + 5h

plug in 1 for g and 4 for h

4(1) + 5(4)

multiply

4 + 20

add

24

Therefore, the answers that have a value of 22 are 6g - 2h and 2(g + 1)

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3 years ago

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One paperback book costs $7. How many books can be bought for $133?

mariarad [96]

Answer:

the answer is 19 book

Step-by-step explanation:

133 divided by 7

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3 years ago

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if the length is 4 inches, the width is 5 inches, and the height is 10 inches, what are the units for the volume

klasskru [66]

Answer:

Step-by-step explanation:

V=lwh=4*5*10=200 cubic inch or in^3

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2 years ago