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o-na [289]
3 years ago
9

Please answer this question now

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0

Answer:

<u>292.77</u>

Step-by-step explanation:

πr(r+\sqrt{h2+r2})

13 x 2 = 26

7 x 2 = 14

26 + 14 = 40

\sqrt{40} = 6.32

7 + 6.32 = 13.32

3.14 x 7 = 21.98

21.98 x 13.32 =

<u>292.77</u>

Ivan3 years ago
5 0

Answer:

Approximately 439.6 square millimeters.

Step-by-step explanation:

The formula for the surface area of a cone is the following:

A=\pi r^2+\pi r l

Where, <em>r </em>is the radius and <em>l</em> is the slant height.

The radius is 7 and the slant height is 13. We also use 3.14 for π Thus:

A=(3.14)(7)^2+(3.14)(7)(13)\\\text{Use a Calculator}\\A\approx 439.6

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The dam has 12 pumps that each transfer the same amount of water through pipes from Lake Roosevelt to Banks Lake. Together, the
krek1111 [17]

Answer:

<u>1,000 gallons</u> of water each pump can transfer in 1 second.

Step-by-step explanation:

Given:

The dam has 12 pumps that each transfer the same amount of water through pipes from Lake Roosevelt to Banks Lake.

Together, the pumps can transfer about 12,000 gallons of water each second.

Now, to find the gallons of water each pump can transfer in 1 second.

Number of pumps the dam has = 12.

Gallons of water all pumps can transfer in 1 second= 12,000.

<em>As given, each pumps transfer the same amount of water through pipes.</em>

Now, to get the gallons of water each pump can transfer in 1 second we divide gallons of water all pumps can transfer in 1 second by the number of pumps the dam has:

\frac{Gallons\ of\ water\ all\ pumps\ can\ transfer\ in\ 1\ second\ }{ Number\ of\ pumps\ the\ dam\ has}

=\frac{12,000}{12}

=1,000\ gallons.

Therefore, 1,000 gallons of water each pump can transfer in 1 second.

3 0
3 years ago
Select the number sentence that illustrates the commutative property of addition.
ad-work [718]
B is the answer I think
8 0
3 years ago
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Natalka [10]

Answer:

Step-by-step explanation:

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Find the measure of angle N.<br><br> A. 150°<br><br> B. 8°<br><br> C . 90°<br><br> D. 294°
oee [108]

Answer:

\angle N=150\degree

Step-by-step explanation:

The sum of interior angles of a 5-sided polygon is 540 degrees.

We sum all the angles to get:

<M+<L+<N+<O+<P=540

90+90+(17x+4)+(18x+6)+(10x-10)=540

45x+180=540

45x=540-180

45x=360

x=8

N=18*8+6

\angle N=150\degree

8 0
3 years ago
Give the unit rate for the better deal.<br><br> $156<br> 4 g<br> or <br> $280<br> 7 g
Alexus [3.1K]

Answer:

$156 for 4 g

I did not rally understand how you worded your question so sorry if I got it wrong! <3

Step-by-step explanation:

$156 for 4 g =

$156 / 4 = $39 dollars for 1 g

$280 for 7 g =

$280/7 = $40 dollars for 1 g

8 0
3 years ago
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