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nataly862011 [7]

3 years ago

6

At a certain middle school, there are 26 students per teacher in every homeroom. Is the total number of students proportional to

the number of teachers

1 answer:

Verizon [17]3 years ago

6 0

Yes, because there is a corresponding amount of teachers per student.

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HELPPPP!!!!! what is the y-intercept of the parabola y = x2 + 6x .

Natali [406]

The y intercept is what we get when x=0, so in this case it's

Answer: y=0

3 0

3 years ago

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What is 720,000 written in scientific notation?

n200080 [17]

Answer:

=7.2×10⁵

is in scientific notation

5 0

2 years ago

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A shirt that normally costs 30 dollers s on sale for 21.75 what percent of the regular price is the sale price

ivanzaharov [21]

72.5%

You can get this by dividing the new price by the original price and then multiplying by 100.

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3 years ago

As baby boomers enter their golden years, the number of people afflicted with Alzheimer's disease is expected to rise dramatical

dybincka [34]

Answer:

Step-by-step explanation:

Given that the number of people with Alzheimer's disease in the United States age 65 years and over is projected to be

$N(t) = 0.00525t^2 +0.075t+4.7,(0 ≤ t ≤ 4)$

where N is in millions where year 2010 corresponds to t=0

For 2020, 10 years lapsed hence t= 1

a) $N(1) = 0.00525(1)^2 + 0.075(1) + 4.7\\=4.78025$

So 4.78025 million people

b) Growth = N(1)-n(0) =0.08025 million

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4 0

3 years ago

Solve for x: 3+x=2x=?

Leokris [45]

Answer:

x=3

Step-by-step explanation:

3+x=2x

Subtract x from each side to get the variable on one side

3+x-x=2x-x

3 = x

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