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Roman55 [17]
3 years ago
15

Pyramid A is a square pyramid with a base side length of 18 inches and a height of 9 inches. Pyramid B has a volume of 3,136 cub

ic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percent. Provide an explanation and proof for your answer to receive full credit.
Mathematics
1 answer:
seraphim [82]3 years ago
8 2

Answer:

322.63%

Step-by-step explanation:

Volume of square pyramid = 1/3a²h

a = base side length ; h = height

Volume of pyramid A :

a = 18 ; h = 9

V = 1/3*18²*9

V = 18² * 3

V = 972 in³

Volume of pyramid B = 3136 in³

Volume of pyramid B / Volume of pyramid A

(3136 / 972) * 100% = 322.63%

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17/10
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3 years ago
1) Are the following lines parallel, perpendicular, or neither?
Maru [420]
In 1)

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(0,0) ; (1,-2) ; (2,-4)

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(0,0) ; (1,0.5) ; (2,1)

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If you'll draw the lines, you'll observe that Line 1 is perpendicular to Line 2 and Line 3 and Line 2 and Line 3 are parallel to each other.

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Option D will be correct.

5 0
3 years ago
Which equation represents the line that passes through points (1, -5) and (3,-17)
zvonat [6]

Answer:

A) y=-6x+1

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

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8 0
3 years ago
24= g/g +20. g/g is a fraction.
Stells [14]

Answer:

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3 Multiply both sides by 9

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4 Simplify 4×9 to 36

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5 Switch sides.

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Step-by-step explanation:hope it helps plz Mark me brainliest

8 0
3 years ago
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svet-max [94.6K]

Step-by-step explanation:

sides:91/12=42/26

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