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Nataliya [291]
3 years ago
13

A stack of boards is 21 inches high. Each board is 1 3/4 inches thick. How many boards are there

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0
21 divided by 1 3/4 equals twelve

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Find the height of cylinder when volume is 154 cm^3 volume and radius is 3 cm
zmey [24]

Answer:

Volume of a cylinder is πr²h

Where

r is the radius

h is the height

Volume = 154cm³

radius = 3cm

height = ? cm

154 = π × 3² × h

154 = π × 9 × h

154 = 9πh

divide both sides by 9π

h = 154/9π

h = 5.4cm

Height is 5.4cm

Hope this helps

4 0
3 years ago
If 1/4 of a pound cost three dollars how much is 1 pound
Anit [1.1K]

Answer:

1/4=3, 1/4*4= 1 and since 1/4 is $3 just do 1/4:$3+1/4:$3+1/4:$3+1/4:$3 which is $12

Step-by-step explanation:

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3 years ago
If it rained 3 days out of 20 days, what percent of the days did it rain?
yulyashka [42]

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Step-by-step explanation:

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8 0
2 years ago
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the graph of the equation y=-2 is a line that A)parralel to the x axis b)parralel to the y axis c) passes through the origin d)p
melamori03 [73]

Answer:

Which graph represents the function f(x) = (x – 3)2?

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On a coordinate plane, a parabola opens up. It goes through (negative 4, 7), has a vertex at (0, negative 9), and goes through (4, 7).

On a coordinate plane, a parabola opens up. It goes through (1, 4), has a vertex at (3, 0), and goes through (5, 4).

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Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Please help this is kind of confusing
faltersainse [42]

Answer:

61

Step-by-step explanation:

(2x + 3) + (x - 6) = 180

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3x = 183

x = 61

7 0
2 years ago
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