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3 years ago

Select the correct answer.

Mathematics

2 answers:

erica [24]3 years ago

4 0

Answer:

691,255(0.985)t ≤ 621,859; t ≥ 7

Step-by-step explanation:

i just did it. it was C

Rudiy273 years ago

4 0

Answer:

Yes it is corect,

Step-by-step explanation:

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2 years ago

-8 - 1/3n ≤ - 25 Please show the equation and steps please

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Answer:
-8 - 1/3n ≤ - 25
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Step-by-step explanation:

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2 years ago

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Find the average value of the function on the given interval. f(x)=2 ln x; [1,e]

JulijaS [17]

Answer:

$f_{avg}=\frac{1}{e-1}$

Step-by-step explanation:

We are given that a function

$f(x)=2lnx$

We have to find the average value of function on the given interval [1,e]

Average value of function on interval [a,b] is given by

$\frac{1}{b-a}\int_{a}^{b}f(x)dx$

Using the formula

$f_{avg}=\frac{1}{e-1}\int_{1}^{e}lnx dx$

By Parts integration formula

$\int(uv)dx=u\int vdx-\int(\frac{du}{dx}\int vdx)dx$

u=ln x and v=dx

Apply by parts integration

$f_{avg}=\frac{1}{e-1}([xlnx]^{e}_{1}-\int_{1}^{e}(\frac{1}{x}\times xdx))$

$f_{avg}=\frac{1}{e-1}(elne-ln1-[x]^{e}_{1})$

$f_{avg}=\frac{1}{e-1}(e-0-e+1)=\frac{1}{e-1}$

By using property lne=1,ln 1=0

$f_{avg}=\frac{1}{e-1}$

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3 years ago

3) The distance between two villages is 1.9 km.

Dmitrij [34]

☽------------❀-------------☾

Hi there!

~

1:10000 would be the scale.

❀Hope this helped you!❀

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3 years ago

What is the missing number in the solution to 958 ÷ 10?

Zolol [24]

Answer:

B.)58?

Step-by-step explanation:

Hope I helped..

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3 years ago

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