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BaLLatris [955]

3 years ago

9

Joanna created a rectangular shaped vegetable garden and needs to put down fertilizer to cover the space. If the garden has a ba

se of 8 m and a height of 30 m. If each bag of fertilizer covers 12 square meters, how many bags of fertilizer will Joanna need?

1 answer:

Ivanshal [37]3 years ago

6 0

Answer: 20

Step-by-step explanation:

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How does the volume of a cylinder change when it’s diameter is doubled

zavuch27 [327]

Recallin that, the diameter is twice as long as the radius, namely the radius is half the diameter, so, if the diameter is doubled, the radius is also doubled.

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
r=\stackrel{doubled}{2r}
\end{cases}\implies V=\pi (2r)^2 h
\\\\\\
V=\pi (2^2r^2)h\implies V=\pi 4r^2 h\implies V=4~(\pi r^2 h)$

notice, the new volume is 4 times (πr² h), namely 4 times the original.

8 0

3 years ago

jasmine has 8 seashells. three- quarters are clamshells. how many shells are clamshells 3/4=_/8 a)3 shells b)4 shells c) 6 shell

fgiga [73]

The answer for your question is 6/8

6 0

3 years ago

A salesman sold twice as much pears in the afternoon than in the morning. If he sold 360 kilograms of pears that day, how many k

tresset_1 [31]

Answer:

120 kg in morning and 240 kg in afternoon

Step-by-step explanation:

x+2x=360 kg

Work:

x + 2x = 360 kg

3x = 360 kg

3x/3 = 360 kg/3

x = 120

2x=2(120 kg) =240 kg

Final Answer:

So, 120 kg in morning and 240 kg in the afternoon.

Hope this helps!

7 0

4 years ago

-6x + 30 > 36 Solve for x

fenix001 [56]

Answer:

x > -2

Step-by-step explanation:

-6 (-2) + 30 > 36

12 + 30 > 36

42 > 36

Yes

5 0

3 years ago

Someone please help me!!!

pickupchik [31]

I think it's the third one. Then again I'm just guessing based on what I see

7 0

3 years ago