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2 years ago

Jennifer pays $8 delivery fee and $20 per box for fruits, if she has at least $100 how many boxes of fruit can she order?

Mathematics

2 answers:

Minchanka [31]2 years ago

6 0

Answer:

Step-by-step explanation:

20+8=28

100/28=3.57

bagirrra123 [75]2 years ago

3 0

Answer:

The most she can order is 4

Step-by-step explanation:

if you subtract the 8 ur left with 92. divide that by 20 and u get 4.6 but u cant order a half box so the answer is 4.

sorry if this is wrong :)

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3 years ago

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Step-by-step explanation:

<u>Given expressions:</u>

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3 years ago

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

Find the area between the graph of the function and the x-axis over the given interval, if possible.

vodomira [7]

Answer:

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So then the integral converges and the area below the curve and the x axis would be 5.

Step-by-step explanation:

In order to calculate the area between the function and the x axis we need to solve the following integral:

$A = \int_{-\infty}^1 \frac{5}{(x-2)^2}$

For this case we can use the following substitution $u = x-2$ and we have $dx = du$

$A = \int_{a}^b \frac{5}{u^2} du = 5\int_{a}^b u^{-2}du$

And if we solve the integral we got:

$A= -\frac{5}{u} \Big|_a^b$

And we can rewrite the expression again in terms of x and we got:

$A = -\frac{5}{x-2} \Big|_{-\infty}^1$

And we can solve this using the fundamental theorem of calculus like this:

$A= -\frac{5}{-1} - \lim_{x\to\infty} \frac{5}{x-2} = 5-0 = 5$

So then the integral converges and the area below the curve and the x axis would be 5.

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