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3 years ago

Please help i really need this

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

6 0

Answer:

ok put me brainliest please

its 215$

Step-by-step explanation:

maxonik [38]3 years ago

6 0

$215 is the answer

Hope it helps

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The slope f′(x) at each point (x,y) on a curve y=f(x) is given, along with a point (a,b) on the curve. Use this information to f

Montano1993 [528]

$f'(x)=\dfrac{4x}{1+7x^2}$

Integrating gives

$f(x)=\displaystyle\int\frac{4x}{1+7x^2}\,\mathrm dx$

To compute the integral, substitute $u=1+7x^2$ , so that $\frac27\,\mathrm du=4x\,\mathrm dx$ . Then

$f(x)=\displaystyle\frac27\int\frac{\mathrm du}u=\frac27\ln|u|+C$

Since $u=1+7x^2>0$ for all $x$ , we can drop the absolute value, so we end up with

$f(x)=\dfrac27\ln(1+7x^2)+C$

Given that $f(0)=10$ , we have

$10=\dfrac27\ln1+C\implies C=10$

so that

$\boxed{f(x)=\dfrac27\ln(1+7x^2)+10}$

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3 years ago

It’s December and you host a Geminids party on the peak night of the meteor shower. The sky is clear and dark, and the meteors’

Dima020 [189]

Answer:

See the picture attached

Step-by-step explanation:

It has all the step by step explanation see the picture

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3 years ago

What is the answer for 4+11

Archy [21]

The answer to 4+11 would be 15

5 0

3 years ago

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What is the measure of angle A'B'C'?

Svetach [21]

Answer:

360°

Step-by-step explanation:

360° because ABC is 180°

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3 years ago

Your younger sibling can run 3/8 of a mile in 1/8 of an hour. How long will it take him to run one mile? How far could he run in

Leno4ka [110]

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Answer:

1/3 hour per mile
3 miles per hour

Step-by-step explanation:

Time per mile can be found by dividing hours by miles:

(1/8 h)/(3/8 mi) = 1/3 h/mi

It will take him 1/3 hour to run 1 mile.

Miles per hour can be found by dividing miles by hours (or by finding the reciprocal of the above value):

(3/8 mi)/(1/8 h) = 3/1 mi/h = 3 mi/h

He could run 3 miles in one hour.

4 0

4 years ago