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diamong [38]
3 years ago
13

HELP I DON'T UNDERSTAND

Mathematics
1 answer:
Rashid [163]3 years ago
8 0
17 for #3 because you just count the outside boxes of the square
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I need help with this problem?
Cerrena [4.2K]

Answer:

Step-by-step explanation:

Volume of cylinder:

\boxed{\text{Volume of cylinder=$\pi r^{2}h$}}

<u>Bottom cylinder:</u>

1 inch = 2.54 cm

 diameter = 14 in

r = 14/2 = 7 in

r = 7 *2.54 = 17.78 cm

h = 4 in = 4*2.54 = 10.16 cm

Volume = 3* 17.78 * 17.78 * 10.16

             = 9635.59 in³

<u>Upper cylinder:</u>

diameter = 12 in

r = 12/2 = 6in

r = 6*2.54 = 15.24 cm

h = 12 in = 12*2.54 = 30.48 cm

Volume = 3 * 15.24 *15.24 * 30.48

             = 21237.63 in³

Volume of the object = 9635.59 + 21237.63                  

                                     = 30873 cm³

3 0
3 years ago
6.find zeroes by factorisation<br><br>4x2 + 5√2 x - 3​
dangina [55]

-13.213203440000000000000

7 0
4 years ago
What is the sum of the polynomials? ( 8x^2 -9y^2-4x) + (x^2- 3y^2- 7x) answer options are in the pics
algol [13]
(8x^2-9y^2-4x)+(x^2-3y^2-7x)

First, get rid of the parentheses and combine like terms

(8x^2+x^2)(-9y^2-3y^2)(-4x-7x)

9x^2-12y^2-11x is your answer
6 0
3 years ago
Read 2 more answers
Four students are sitting in the first row. In the second row, 4 students sit behind each of those students, and so on. After th
vovangra [49]
5 students since one student leave each row which means 3 are left . also there are 2 students in the fifth row so you add 3 by 2 which equal 5
4 0
3 years ago
At the sports awards ceremony,5 members of the soccer team and 8 members of the softball team won awards. What was the ratio of
Artyom0805 [142]

Answer:

8:13 or 8/13 or 62%

Step-by-step explanation:

When comparing two things make sure to put what the question says first, first.  Add the number of soccer and softball players that got awards to find the total number of award winners.

8 0
4 years ago
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