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4 years ago

Please answer right away

Mathematics

1 answer:

kompoz [17]4 years ago

6 0

Answer:

2294 balls is the approximate number of balls

Step-by-step explanation:

Find the volume occupied a ball of radius 3inches

Volume of a sphere=4/3 $\pi$ ×r³

where r is the radius in inches

4/3× $\pi$ ×3³ = 36 $\pi$

=113.11 in³

Find volume of a rectangle prism

v=l×w×h where l is length of prism, w is width of prism and h is height of prism

L=10ft=10×12=120 inches

w=5ft=5×12=60 inches

h=3ft= 3×12= 36 inches

v=120×60×36=259200 in³

Number of balls needed

N=volume occupied by a single ball/volume of the rectangular prism

N=259200/113.11 =2291.57⇒2292 balls

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3 1/2 hours

Step-by-step explanation:

84/24 = 3.5

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3 years ago

A bag contains 2 red ping pong balls and 3 green ping pong balls and 3 blue ping pong ball and 1 yellow pig pong ball find the p

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4 0

3 years ago

Read 2 more answers

7.) Given f(x) = 6(x - 1). what is the value of f(-8)? * A) 42 B) -42 C) 54 D) -54

natka813 [3]

Answer:

D) -54

Step-by-step explanation:

To solve this question, simply plug in -8 for x:

f(-8)=6(-8-1)

f(-8)=6(-9)

f(-8)=-54

Hope this helps!!

7 0

4 years ago

The frequency, f, in Hz, at which a simple pendulum rocks back and forth is given by 1 , 2 g f π l = where g is the strength of

Monica [59]

Answer:

a. 0.9 Hz b. 0.37 Hz

Step-by-step explanation:

The frequency of the simple pendulum f = (1/2π)√g/l where g = acceleration due to gravity and l = length of pendulum

a. Find the frequency of a pendulum whose length is 1 foot and where the gravitational field is approximately 32 ft/s2

To find f on Earth, g = 32 ft/s² and l = 1 ft

So, f = (1/2π)√(g/l)

f = (1/2π)√(32 ft/s²/1 ft)

f = (1/2π)√(32/s²)

f = (1/2π)(5.66 Hz)

f = 0.9 Hz

b. The strength of the gravitational field on the moon is about 1/6 as strong as on Earth.. Find the frequency of the same pendulum on the moon.

On the moon when acceleration due to gravity g' = g/6,

f = (1/2π)√(g'/l)

f = (1/2π)√(g/6l)

f = (1/2π)√[32 ft/s²/(6 × 1 ft)]

f = (1/2π)√(32/s²)/√6

f = (1/2π)(5.66 Hz)/√6

f = 0.9/√6 Hz

f = 0.37 Hz

3 0

3 years ago

Plz help fast will mark brainliest!!!!

Paha777 [63]

Answer:

the term is minus 1/4 so it would be 3, 2 3/4, 2 2/4.

7 0

3 years ago