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3 years ago

8

I don’t know where to start someone helpp

2 answers:

tia_tia [17]3 years ago

8 0

20x+10=total dollars

11111nata11111 [884]3 years ago

5 0

Donald will have 20x+10 dollars

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The city plans a roadway to have trees every mile. If the path is miles long, how many trees will the city need?

Elina [12.6K]

Answer:

32

Step-by-step explanation:

the country would need 30 to 33 trees

7 0

3 years ago

What is the area of the shaded region? Use 3.14 for π and round your answer to the nearest tenth.

Musya8 [376]

3.14(10²) - 3.14(6²)
3.14(10² - 6²)
3.14(100 - 36)
3.14(64)
200.96
201

3 0

3 years ago

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Find f'(0.3) for f(x)= the integral from 0 to x of arccos(t)dt

Lady_Fox [76]

$\bf \textit{using the 2nd fundamental theorem of calculus}\\\\
\cfrac{dy}{dx}\displaystyle \left[ \int\limits_{0}^{x}\ cos^{-1}(t)dt \right]\implies cos^{-1}(x)
\\\\\\
f'(0.3)\iff cos^{-1}(0.3)\approx 1.26610367277949911126$

now.. 0.3 is just a value...we'e assuming Radians for the inverse cosine, so, if you check, make sure your calculator is in Radian mode

8 0

3 years ago

In 2000, the number of students enrolled at Arlington Country Day School was 823 students. In 2010, the population was approxima

vivado [14]

705 - 823 = -118

-118/823 = -0.143 = 14.3% decrease

5 0

3 years ago

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The function f(x)=x^2 is graphed on the coordinate grid.

Aleksandr [31]

<h3>Answer:</h3>

graphed below.

<h3>Explanation:</h3>

vertex: (0, 0)

other points:

<u>x y</u>

-2 12

-1 3

0 0

1 3

2 12

7 0

2 years ago

Read 2 more answers