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brilliants [131]
3 years ago
5

(40 Points) A Bag contains 7 green marbles and 35 blue marbles. If a representative sample contains 3 green marbles, then how ma

ny blue marbles would you expect it to contain? (SEE PICTURE)

Mathematics
1 answer:
RideAnS [48]3 years ago
5 0

Answer:

1:5

5

2

Step-by-step explanation:

1:5

5

2

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The volume of a cone is 1540cm³. If its radius is 7cm, calculate the height of the cone. (Take pi = 22/7)
Ann [662]

Answer:

h=30

Step-by-step explanation:

Volume of a cone=1540cm^{3}, Radius=7cm.

The height of a cone=h

When we need to find the height of a cone, we can use the formula of the volume of a cone, which is \frac{1}{3} \pi r^{2} h to find the height of a cone.

1540cm^{3} =\frac{1}{3}\pi r^{2}  h

Put the pi value=22/7 and the value of radius which is 7 cm into the formula.

1540cm^{3}=\frac{1}{3}*\frac{22}{7}  7^{2}h

1540cm^{3} =\frac{154}{3}h

Move \frac{154}{3} to another side. 1540 divided by  \frac{154}{3} to calculate what is the value of h, h is the height of a cone. Like this.

\frac{1540cm^{3} }{\frac{154}{3} } =h

30=h

Rearrange the h.

h=30

I hope you will understand my solution and explanation. If you still cannot get the point, you can ask me anytime! Thank you!

4 0
3 years ago
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How do I solve it I’m getting it wrong
k0ka [10]

Answer:

5). 2/3 divided by 1/2 answer is 1/6    and 6). 75cm and 2  3/4 times ...answer is 2.7x10-5 or ,2.7x10.5

Step-by-step explanation:

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6 0
2 years ago
Find sin A and sec B given a=2 b=11
Sonbull [250]
If there is a triangle with Sid a and b then sina b/✓a2+b2and seven=✓a2+b2/a
7 0
4 years ago
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Empirical generalization is known as reasoning from a large example to a basic conclusion based on a sample. a. True b. False
Taya2010 [7]

Answer:True

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Type a related division fact for 10 × 12 = 120.
Nikitich [7]

Answer:

120 divided by 10 is 12. 120 divided by 12 is 10.

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2 years ago
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