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svlad2 [7]
3 years ago
14

What is the exact volume of a cylinder thst is 30 inches in height and 13 inches in diameter

Mathematics
1 answer:
8090 [49]3 years ago
4 0
The exact volume is 3983.57 cubic inches
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The area of a rectangular plank is 4500 cm². The plank was broken into two pieces, one of which is a square and the other a rect
svp [43]

Answer:

Xs=30cm and As=900 cm^{2}

Step-by-step explanation:

At=As+Ar; A=b.h and At=4500 cm^{2}, then:  At=(x+120)x so

(x+120)x=4500, x^{2} +120x-4500=0 Applying cuadratic equation formula:\frac{120+-\sqrt{120^{2} -4.1.-4500} }{2} =-\frac{120+-\sqrt{14400+18000} }{2}= x1=30 and x2=-150, finally Xs=30cm, and As=900cm^{2}

3 0
3 years ago
Read 2 more answers
) The product of a number and 3 is 7.5. What is the number?
Elena L [17]

Answer:

2.5

Step-by-step explanation:

X × 3=7.5

divide by 3

x=2.5

6 0
2 years ago
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Simplify(5p^2-3)+ (2p^2-3p^3)
antiseptic1488 [7]
If you would like to simplify (5 * p^2 - 3) + (2 * p^2 - 3 * p^3), you can calculate this using the following steps:

(5 * p^2 - 3) + (2 * p^2 - 3 * p^3) = 5 * p^2 - 3 + 2 * p^2 - 3 * p^3 = - 3 * p^3 + 7 * p^2 - 3

The correct result would be - 3 * p^3 + 7 * p^2 - 3.
8 0
3 years ago
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4. Find the square of the following:<br>(a) 47<br>(6) 7.5​
solmaris [256]

Answer:

7.5

Step-by-step explanation:

7 0
3 years ago
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Piper works at a camera store. He is paid an hourly rate 16% commission on everything he sells. One week, he is paid $365 for wo
Yuliya22 [10]
1500 x .16 = $240 in comission
365 - 240 = $125 in hourly wages
125 / 20 = $6.25/hr

7 0
3 years ago
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