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3 years ago

Good morning beautiful hope you have a great day and I hope you have a good day one

Mathematics

2 answers:

andrew11 [14]3 years ago

5 0

Thanks, you too, you are so nice and sweet

Colt1911 [192]3 years ago

4 0

Answer:

Thanks

Step-by-step explanation:

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The area of a rectangle is 24,396 square centimeters. If the width is 38 centimeters, what is the length?

Fiesta28 [93]

Answer:

642

Step-by-step explanation:

area equals LxW

divide 24396/38

answer 642

642x38= 24396

8 0

3 years ago

(PHOTO) Please help me need this done by tomorrow thank you.

Tomtit [17]

Answer:

2x+78=5x+15

78-15=5x-2x

3x=63

x=21

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2 years ago

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Taya2010 [7]

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3 years ago

a. Show that the system of rational expressions is closed under addition, or give an example showing the contrary.

otez555 [7]

A "rational expression" is a fraction in which the numerator and the denominator are both polynomials. The sum of two such expressions will always produce another such expression, viz.,
p(x)/q(x) + r(x)/s(x) = [p(x)s(x) + q(x)r(x)] / [q(x)*s(x)]. 
The numerator and denominator of the sum will both be polynomials when fully expanded

7 0

3 years ago

The city of Anvil is currently home to 21000 people, and the population has been growing at a continuous rate of 4% per year. Th

Yanka [14]

Answer:

They'll reach the same population in approximately 113.24 years.

Step-by-step explanation:

Since both population grows at an exponential rate, then their population over the years can be found as:

$\text{population}(t) = \text{population}(0)*(1 + \frac{r}{100})^t$

For the city of Anvil:

$\text{population anvil}(t) = 21000*(1.04)^t$

For the city of Brinker:

$\text{population brinker}(t) = 7000*(1.05)^t$

We need to find the value of "t" that satisfies:

$\text{population brinker}(t) = \text{population anvil}(t)\\21000*(1.04)^t = 7000*(1.05)^t\\ln[21000*(1.04)^t] = ln[7000*(1.05)^t]\\ln(21000) + t*ln(1.04) = ln(7000) + t*ln(1.05)\\9.952 + t*0.039 = 8.8536 + t*0.0487\\t*0.0487 - t*0.039 = 9.952 - 8.8536\\t*0.0097 = 1.0984\\t = \frac{1.0984}{0.0097}\\t = 113.24$

They'll reach the same population in approximately 113.24 years.

4 0

3 years ago