3 years ago

SOMEONE HELP PLEASE

Mathematics

1 answer:

Alborosie3 years ago

4 0

I’m sorry but I can’t understand what the question is saying

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Standard form of 80000

ki77a [65]

Answer:

8 × 10^4

Step-by-step explanation:

Count the number of zeros after 8.

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3 years ago

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The length of Jeff Koon's sculpture is 4 feet more than the width. If the length of the sculpture is 8 feet, what is the area of

Mrrafil [7]

(8+4)x8= 96 feet squared

(There is no little 2 to put in so I just wrote squared)

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3 years ago

(9x+7)(9x-7) what's the answer

MrRa [10]

They cancel each other out because one is + and the other is -.

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I need help with this question

kaheart [24]

Answer:

your answer is 7x square root ÷ 3/90

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4 years ago

Geometry Question. Large point value.

Marta_Voda [28]

Answer:

$\large\boxed{\pi(2ft)^2(8.5ft)+\dfrac{1}{3}\pi(2ft)^2(13ft-8.5ft)}$

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

r - radius, H - height

We have in

cylinder:

r = 4ft : 2 = 2ft, H = 8.5ft

cone:

r = 4ft : 2 = 2ft, H = 13 ft - 8.5ft

The volume of the silo:

$V=V_{cylinder}+V_{cone}$

Substitute:

$V=\pi(2ft)^2(8.5ft)+\dfrac{1}{3}\pi(2ft)^2(13ft-8.5ft)$

3 0

3 years ago