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2 years ago

11

4 is 80% of what number?

1 answer:

Andrew [12]2 years ago

3 0

Is easy why the best answer is 80 why it is 80%

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Karl bought 3 1/2 gallons of milk that cost $2.70 per gallon. What was the total cost of the milk? Enter your answer in the

pav-90 [236]

Answer:

9.45

Step-by-step explanation:

2.70*3 = 8.10

8.10 + 1.35= 9.45

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3 years ago

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The mass of a teapot and 4 cups is 1,280 grams. The mass of the same teapot and 10 cups is 2,720 grams. Each cup has the same ma

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Step-by-step explanation:

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3 years ago

One kind of bacteria in a laboratory culture triples every 30 minutes. Suppose the culture is started with 20 bacteria cells. Ho

IgorC [24]

Answer:

2 hours = 4 * 30 minutes

30 * 3 = 90

90 * 3 = 270

270 * 3 = 810

810 * 3 = 2430

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Step-by-step explanation:

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3 years ago

Besides -10.75+-10.75 what plus what = -21.5?

Butoxors [25]

Answer:

-32.25 + 10.75 = -21.5

Step-by-step explanation:

-10.75 + -10.75 = -21.5

-32.25 + 10.75 = -21.5

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2 years ago

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Determine whether the improper integral converges or diverges, and find the value of each that converges.

shusha [124]

Answer:convergent

Step-by-step explanation:

Given

Improper Integral I is given as

$I=\int_{-\infty}^{0}1000e^xdx$

$I=1000=\int_{-\infty}^{0}e^xdx$

integration of $e^x$ is $e^x$

$I=1000\times \left [ e^x\right ]^{0}_{-\infty}$

$I=1000\times I=\left [ e^0-e^{-\infty}\right ]$

$I=1000\times \left [ e^0-\frac{1}{e^{\infty}}\right ]$

$I=1000\times 1=1000$

so the integration converges to 1000 units

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2 years ago