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IRINA_888 [86]
3 years ago
9

HURRY FIRST GETS BRAINLLEST The diagram below shows a circular pizza with a diameter of 14 inches. The pizza is in a square box

with side lengths of 16 inches. In square inches, how much of the box is empty? Use π = 3.14 and round your answer to the nearest hundredth.

Mathematics
1 answer:
boyakko [2]3 years ago
8 0

Answer:

pls do mark my answer as the brainliest..........

Step-by-step explanation

portion of square empty =  256 - 153.86 = 102.14cm^2

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Find the volume of the cylinder
erastovalidia [21]

Answer:

100.5cm2

Step-by-step explanation:

v=pi(r)2(h)

v=3.14(2)2(8)

v=3.14(4)(8)

v=100.48

v=100.5cm2

7 0
3 years ago
It costs 95 dollars for 20 students to visit and equarium.how much does it cost for 162 students?
larisa86 [58]

Answer:

769.50

Step-by-step explanation:

95 ÷ 20 = 4.75

So, 4.75 is the cost per student

4.75 × 162 = 769.50

So, 4.75 dollars per student times 162 students is 769.50

8 0
3 years ago
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After a 20% discount and 5% sales tax, a book costs $16.80. What was the original price of the book?
natka813 [3]

<u>Answer:</u>

19.15

<u>Step-by-step explanation:</u>

16.80 x 5% = 0.84

16.80 - 0.84 = 15.96

15.96 x 20% = 3.19

15.96 + 3.19 = 19.15

8 0
3 years ago
Solve for r<br><br>v = 4/3 r^3<br>​
sergejj [24]

Answer:

r=\sqrt[3]{\frac{3v}{4} }

Step-by-step explanation:

To solve for r:

v=\frac{4}{3}r^{3} (given)

\frac{3v}{4}=r^{3} (times \frac{3}{4} on both sides)

r=\sqrt[3]{\frac{3v}{4} }

I hope this helps :)

8 0
3 years ago
The sum of the angle measures of a triangle is 180°. Find the value of x . Then find the angle measures of the triangle.
Lady bird [3.3K]

Answer:

Step-by-step explanation:

The sum of the angle measures of a triangle is 180°. Find the value of x . Then find the angle measures of the triangle.

find the value of x

x + 2x + x + 8 = 180

4x = 180 - 8

4x = 172

x = 172 : 4

x = 43

find angles

2x = 43 * 2

2x = 86°

-------

x = 43°

--------

x + 8 = 43 + 8

x = 51°

-----------------------

check

86 + 43 + 51 = 180°

the answer is good

6 0
2 years ago
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