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Anna35 [415]
4 years ago
9

PLEASE HELP!!

Mathematics
1 answer:
lbvjy [14]4 years ago
3 0
Pyramid volume: 1/3 b h = 1/3 (9^2)*10=270 cubic centimeters
Cube volume: 4*4*4=64
270/64=4.2
so Devin needs to melt 5 cubes
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What is the sum of −3x+6−3x+6 and 7x−87x−8 ?
krek1111 [17]
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5 0
4 years ago
A prism with a base area of 5 ft² and a height of 10 ft is dilated by a factor of 65 . What is the volume of the dilated prism?
mina [271]

Answer:

The volume of the dilated prism is 86.4ft^3.

Step-by-step explanation:

The original prism has base area 5ft^2 and a height of 10ft.

The volume of the original prism is v=5\times 10=50ft^3.

The prism is dilated by a scale factor of k=\frac{6}{5}.

To find the volume of the dilated prism, we multiply the volume of the original prism by k^3=\frac{216}{125}.

V=\frac{216}{125} \times 50ft^3

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3 0
3 years ago
Which statement about the grapgh of line y=x+1/2 will be true if the 1/2 is replaced by -2
seraphim [82]

Answer:

Step-by-step explanation:

This linear graph will be shifted downward by 2 1/2 units:  first, from y = 1/2 to the x-axis, and next, from the x-axis by 2 more units, for a total shift of 2 1/2 units.

7 0
3 years ago
On Friday, 20 dogs attended doggy daycare. On Saturday, 26 dogs attended. What is the percent of change?
Sati [7]

Answer:

Step-by-step explanation:

%change=100(final-initial)/(initial)

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5 0
3 years ago
Daniel's tennis team made $582.85 from running the concession stand at a basketball game. The food and drinks cost the team $64.
Flura [38]

Let x be the number of members in Daniel's tennis team.

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Balance remaining for sharing = 582.85 - 64 = $518.85

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8 0
4 years ago
Read 2 more answers
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