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anastassius [24]
3 years ago
11

Adam has been asked to post a parcel for a family member. He has been told that the parcel weighs 12 lbs 8 oz. 1lb = 16 oz 1lb =

454 g How much does the parcel weigh to the nearest whole kilogram?
Mathematics
1 answer:
yarga [219]3 years ago
8 0

Answer:

Weight of parcel to the nearest whole kilogram = 6 kg

Explanation:

 Weight of parcel = 12 lbs 8 oz

 1lb = 16 oz  also we have 1lb = 454 g

 Weight of parcel = 12 lbs 8 oz = 12 + (8/16) lbs = 12.5 lbs

  Weight of parcel in g = 12.5*454 = 5675 g

  Weight of parcel = 5675 g = 5.675 kg

  Weight of parcel to the nearest whole kilogram = 6 kg


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A cylinder has volume 45 pie and radius 3. What is its height?
liraira [26]

Answer:

5 units

Step-by-step explanation:

The <u>volume of the cylinder</u> is the area of the circle multiplied by it's height. Therefore, the volume of the cylinder is πr² × h, which when simplified, gives us πr²h. Let's substitute the volume and the radius in the formula to find the height.

⇒ πr²h = Volume of cylinder

⇒ (π)(3²)(h) = 45π

Now, simplify the equation to evaluate the area of the cylinder.

⇒ (π)(3²)(h)/(3²)(π) = 45π/(3²)(π)

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7 0
2 years ago
13. Given the volume, V, of the rectangular prism below, find h, the height of the prism. V = (x ^ 2 + 2x)/(x + 1) l= 2x + 4 w=
NikAS [45]

Given:

Volume of a rectangular prism is:

V=\dfrac{x^2+2x}{x+1}

Dimensions of the rectangular prism are:

l=2x+4

w=\dfrac{x}{8}

To find:

The height of the rectangular prism.

Solution:

The volume of a rectangular prism is:

V=l\times w\times h

After substituting the values, we get

\dfrac{x^2+2x}{x+1}=(2x+4)\times \dfrac{x}{8}\times h

\dfrac{x(x+2)}{x+1}=\dfrac{2x(x+2)}{8}\times h

\dfrac{x(x+2)}{x+1}\times \dfrac{8}{2x(x+2)}=h

\dfrac{1}{x+1}\times \dfrac{8}{2}=h

\dfrac{4}{x+1}=h

Therefore, the correct option is C.

8 0
3 years ago
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