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ale4655 [162]
3 years ago
11

Which letter? is it help plzzzzzzzzzzzzzzzzzz

Mathematics
2 answers:
egoroff_w [7]3 years ago
6 0

Answer:

a

Step-by-step explanation:

Natalka [10]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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The rate at which rain accumulates in a bucket is modeled by the function r given by r(t)=10t−t^2, where r(t) is measured in mil
mars1129 [50]

Answer:

36 milliliters of rain.

Step-by-step explanation:

The rate at which rain accumluated in a bucket is given by the function:

r(t)=10t-t^2

Where r(t) is measured in milliliters per minute.

We want to find the total accumulation of rain from <em>t</em> = 0 to <em>t</em> = 3.

We can use the Net Change Theorem. So, we will integrate function <em>r</em> from <em>t</em> = 0 to <em>t</em> = 3:

\displaystyle \int_0^3r(t)\, dt

Substitute:

=\displaystyle \int_0^3 10t-t^2\, dt

Integrate:

\displaystyle =5t^2-\frac{1}{3}t^3\Big|_0^3

Evaluate:

\displaystyle =(5(3)^2-\frac{1}{3}(3)^3)-(5(0)^2-\frac{1}{3}(0)^3)=36\text{ milliliters}

36 milliliters of rain accumulated in the bucket from time <em>t</em> = 0 to <em>t</em> = 3.

4 0
3 years ago
Simplify the expression 2(x - 5)
timofeeve [1]

Answer:

brainliest plsss

Step-by-step explanation:

2(x−5)

=(2)(x+−5)

=(2)(x)+(2)(−5)

=2x−10

7 0
2 years ago
Are the polygons similar? If they are, choose the correct similarity statement and scale factor.
Reptile [31]
The correct answer is B. Hope this helps!
7 0
3 years ago
2556 25<br> 5625/25<br><br> How do you divide 5625 by 25?
navik [9.2K]

Answer:112.5

Step-by-step explanation:

brainliest oh and sub to my yt for rocket league vid IDRXPD UP on yt.

3 0
3 years ago
Read 2 more answers
Find x .<br><br> a.21.4 <br> b. 15.1 <br> c. 32.7 <br> d. 29.2
Alex73 [517]

So this is going to be using proportions, which in this case is going to be \frac{18}{21} =\frac{25}{x}


Firstly, cross-multiply to get 18x=525


Next, just divide 18 on both sides, and your answer will be x=29.2 , or the last option.

8 0
3 years ago
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