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3 years ago

6

I need these answers checked to see if I did them correctly.

1 answer:

madam [21]3 years ago

4 0

They look correct to me!

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What is 5.151515 to 2 decimal places

Citrus2011 [14]

Answer:

5.15

Step-by-step explanation:

3 0

3 years ago

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If the dice is rolled another 500 times,<br> how many sixes would you expect to roll?

katovenus [111]

Answer:

60

Step-by-step explanation:

You get a 6 12 times out of the total 100 times. If you multiply that by 5, you get 60 times per every 500 rolls

8 0

2 years ago

If the Leaning Tower of Pisa has a height of 55 meters, radius of 8 meters, what is the volume?

oee [108]

C

V(cylinder) = PR(squared)H

8 squared is 64pi

times 55 is 3520

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2 years ago

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A circle with a diameter of 30 in., and a central angle of 240°, what is the arc length, s

Y_Kistochka [10]

The answer is 62.8319

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2 years ago

Solve by using substitution<br>-7x-2y=-13 and x-2y=11

netineya [11]

$\left \{ {{-7x-2y=-13} \atop {x-2y=11}} \right. \\\\ \left \{ {{-7x-2y=-13} \atop {x=11+2y}} \right.\\\\
Substitute\ second\ equation\ into\ the\ first\ one:\\\\
-7(11+2y)-2y=-13\\
-77-14y-2y=-13\\
-77-16y=-13\ \ \ |Add\ 77\\
-16y= 64\ \ \ |Divide\ by\ -16\\
y=-4\\\\x=11+2y=11+2*(-4)=11-8=3\\\\ \left \{ {{y=-4} \atop {x=3}} \right.$

7 0

3 years ago