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Nookie1986 [14]
3 years ago
10

Tiffany answered 80% of the questions on her math test correctly. There were 40 questions on the test. How many questions did Ti

ffany answer correctly?
Mathematics
1 answer:
coldgirl [10]3 years ago
4 0

Answer:32

Step-by-step explanation:

P%=p/100

80/100*40

4/8*40

4*8=32

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Solve the equation for x.
anzhelika [568]
32x+64 = 160
32x = 96
x = 3
8 0
3 years ago
Read 2 more answers
If you answer this you cool but still PLEASEE HELPP
defon
Its D

Because the rate of change is 1.5 and 1.5x10 is 15
5 0
3 years ago
A cylindrical swimming pool has a diameter of 16 feet and a height of 3 feet. How many gallons of water can the pool contain? Ar
kiruha [24]

Answer:

The pool can contain <u>4521.6 gallons</u> of water.

Step-by-step explanation:

Given:

The diameter of the cylindrical swimming pool = 16 feet.

And the height of the cylindrical swimming pool = 3 feet.

(1 ft³ = 7.5 gallons)

Now, to find the gallons of water the pool can contain.

So, we find the radius first:

Radius (r) = \frac{Diameter}{2} = \frac{16}{2} =8\ feet.

Height (h) = 3 feet.

Now, to get the volume of swimming pool which is cylindrical in shape by putting formula (using the value of π = 3.14):

Volume=\pi r^2h

Volume=3.14\times 8^2\times 3

Volume=3.14\times 64\times 3

Volume=602.88\ feet^3.

<em>Thus, getting the volume of pool 602.88 feet³.</em>

<em>As, given 1 ft³ = 7.5 gallons</em>.

Now, to get the gallons of water the pool can contain we multiply the volume of pool by 7.5:

602.88\times 7.5

=4521.6\ gallons.

Therefore, the pool can contain <u>4521.6 gallons</u> of water.

7 0
3 years ago
Need help! For this question! Thank you
mihalych1998 [28]
You can use this equation $598.30+X=$954.70
6 0
3 years ago
If θ = 330° and α = 300°, find the exact value of tan θ − sin α.
Vilka [71]
X = tan (330) - sin (330)
x = 0.133557089 - -0.132381629
x = 0.133557089 + 0.132381629
x = 0.265938718
7 0
3 years ago
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