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CaHeK987 [17]
1 year ago
14

Eighth grade > V.4 Area and circumference of circles CHV

Mathematics
1 answer:
kati45 [8]1 year ago
8 0

Answer: D=13.8

Step-by-step explanation:

To fing the diameter of a circle when given the circumfrence we use the formula of

D=\frac{c}{\pi }

D= \frac{43.332}{3.14}

D=13.8

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An orange juice company sells a can of frozen orange juice that measures 9.4 centimeters in height and 5.2 centimeters in diamet
drek231 [11]
<h2>Hello!</h2>

The answer is:

The third option:

2.7 times as much.

<h2>Why?</h2>

To calculate how many more juice will the new can hold, we need to calculate the old can volume to the new can volume.

So, calculating we have:

Old can:

Since the cans have a right cylinder shape, we can calculate their volume using the following formula:

Volume_{RightCylinder}=Volume_{Can}=\pi r^{2} h

Where,

r=radius=\frac{diameter}{2}\\h=height

We are given the old can dimensions:

radius=\frac{5.2cm}{2}=2.6cm\\\\height=9.4cm

So, calculating the volume, we have:

Volume_{Can}=\pi *2.6cm^{2} *9.4cm=199.7cm^{3}

We have that the volume of the old can is:

Volume_{Can}=199.7cm^{2}

New can:

We are given the new can dimensions, the diameter is increased but the height is the same, so:

radius=\frac{8.5cm}{2}=4.25cm\\\\height=9.4cm

Calculating we have:

Volume_{Can}=\pi *4.25cm^{2} *9.4cm=533.40cm^{3}

Now, dividing the volume of the new can by the old can volume to know how many times more juice will the new can hold, we have:

\frac{533.4cm^{3} }{199.7cm^{3}}=2.67=2.7

Hence, we have that the new can hold 2.7 more juice than the old can, so, the answer is the third option:

2.7 times as much.

Have a nice day!

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3 years ago
Convert 5.1 to a percentage
krok68 [10]
5.1=510\%
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The value of x from the equation is 1.06 miles. Thus, the vertical change in elevation is 1.06 miles. 
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3 years ago
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What ratio is equivalent to 8:3
Georgia [21]

16:6 is an equivalent ratio

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3 years ago
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A laptop computer weighs 6.4 pounds. A notebook computer weighs 3.75 pounds. How much heavier is the laptop than the notebook?
Lina20 [59]

Answer:

2.65 pounds

Step-by-step explanation:

6.4 - 3.75 = 2.65 pounds

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