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3 years ago

Look at Andrea’s running journal.

2 answers:

german3 years ago

7 0

First align the decimal points and the numbers, then add the extra 0's if needed. Lastly, add and the total answer is 14.225.

Makovka662 [10]3 years ago

4 0

Answer:

example answer:

To add the three distances first align the decimal points, adding in place holder zeros if necessary. Then add each place value and rename when necessary.

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What is 22% of 64.82

Phantasy [73]

Answer:

14.2604

Step-by-step explanation:

this is because 22% as a decimal would be 0.22, and since this is out of 64.82, you have to multiply 0.22 by 68.82

Hope this helps <33

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3 years ago

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11 - 2 x = 5x - 12 <br> please help

babunello [35]

X is 23/7 i think .??

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3 years ago

two airplane fly toward each other from points 900 miles apart, at the rate, per hour, of 300 miles and 250 miles. when will the

mojhsa [17]

They complete a 900-mile distance with their combined speed of (300+250=550) mph
Therefore, they meet after 900m/550mph=18/11h=1.6364h

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3 years ago

GEOMETRY HELP PLEASE!3

Ulleksa [173]

Answer:

(-2,1)

Step-by-step explanation:

I know

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3 years ago

The height of one right circular cylinder is 6 centimeters and its radius is 3 centimeters. The height of a second right circula

melomori [17]

Answer:

<h3>The volume of the second cylinder is three times as large as the volume of the first cylinder .</h3><h3>Hence $V_2=3\times V_1$ </h3>

Step-by-step explanation:

Given that the height of one right circular cylinder is 6 centimeters and its radius is 3 centimeters.

Let $h_1,r_1$ be the height and radius of the first right circular cylinder respectively.

∴ $h_1=6 cm$ and $r_1=3 cm$

The height of a second right circular cylinder is 18 centimeters and its radius is 3 centimeters.

Let $h_2,r_2$ be the height and radius of the second right circular cylinder respectively.

∴ $h_1=18 cm$ and $r_1=3 cm$

<h3>To find the volume of the second cylinder is how many times as large as the volume of the first cylinder :</h3>

The formula for Volume of right circular cylinder is

$V=\pi r^2h$ units

The Volume of first right circular cylinder is

$V_1=\pi r_1^2h_1$

Substitute the values in the formula we get

$V_1=\pi (3^2)(6)$

$V_1=\pi (9)(6)$

$=54\pi$ units

∴ $V_1=54\pi$ units

The Volume of second right circular cylinder is

$V_2=\pi r_2^2h_2$

Substitute the values in the formula we get

$V_2=\pi (3^2)(18)$

$V_2=\pi (9)(18)$

$=162\pi$ units

∴ $V_2=162\pi$ units

From the volumes $V_1 and V_2$ we get

$\frac{V_2}{V_1}=\frac{162\pi}{54\pi}$

$=3$

$\frac{V_2}{V_1}=3$

∴ $V_2=3\times V_1$

<h3>The volume of the second cylinder is three times as large as the volume of the first cylinder .</h3>

8 0

3 years ago

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