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daser333 [38]
2 years ago
14

Find the area (shaded) and round to the tenths place if necessary.

Mathematics
1 answer:
Irina18 [472]2 years ago
3 0

Answer:

28.3

Step-by-step explanation:

A = π r²

r(radius)=3

r²=3²=9

9*π=28.2743338823

now round 28.2743338823=28.3

The area of this circle is 28.3

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Points (0,0) and (3,3) lie on line k. What is the slope of the line perpendicular to k?
mixas84 [53]

Answer:

-1

Step-by-step explanation:

(0, 0) and (3, 3)

To find slope:

3-0/3-0 = 3/3 = 1

Since it's looking for the perpendicular slope, you just do the opposite of 1.

Which is -1.

6 0
3 years ago
how to find the volume of each sphere, both in terms of \pi and the nearest tenths for r=3 use 3.14 for \p.
icang [17]
Volume formula of a sphere:
\frac{4}{3}\pir³

given:
r = 3 

V = \frac{4}{3}\pi(3)³
V = \frac{4}{3} × 27\pi
V = 36\pi units³ (in terms of \pi)
V = 113.097 units³ ≈ 113.1 units³
6 0
3 years ago
If it takes Andre 4 minutes to swim five laps how much will it take him to swim 22 laps at the same speed
Musya8 [376]

Answer:

17.6 minutes

Step-by-step explanation:

\frac{4}{5} = \frac{x}{22}

5x=22

x=\frac{22}{5}

4(\frac{22}{5} ) = \frac{88}{5} = 17.6

5 0
2 years ago
A radio station plays a winning song once per hour at a randomly selected time (in minutes). During an announcer’s four-hour sho
telo118 [61]

Answer:nrkrdjdjddjdjdjjdjdjdjdjdjd

Step-by-step explanation:

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8 0
3 years ago
How do you calculate the midpoint of question e)? I am very desperate. please help
andrey2020 [161]

Answer:

(-1,-1)

Step-by-step explanation:

Midpoint equation: (\frac{x_2+x_1}{2}, \frac{y_2+y_1}{2})

= (\frac{-5/2+1/2}{2},\frac{-1/2-3/2}{2} )

= (\frac{-2}{2},\frac{-2}{2})

=(-1,-1)

Use the formula and plug it in :)

7 0
2 years ago
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