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Novay_Z [31]
3 years ago
5

The model represents an equation. What value of x makes the equation true?

Mathematics
1 answer:
Flura [38]3 years ago
5 0
It would be x= -4/7......
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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
Read 2 more answers
Help pls-
aalyn [17]

Answer:

Answer 1: <u>$6,289</u>

Answer 2: <u>$198</u>

Step-by-step explanation:

1-

a(10)=10,000(1+.05)^10

=16,288.95  =16,288-10,000=<u>$6,289</u>

2-

A(t)=pe^rt=a(10)=10,000e^(.05)(10)=16,487-10,000=6487

6487-6289=<u>$198</u>

7 0
3 years ago
Find the range of 10 12 13 15 16.5
alex41 [277]

Answer:

15.5

Step-by-step explanation:

16.5-10

=15.5

So 15.5 is the range

6 0
3 years ago
Consider the following.
zhuklara [117]

Answer:

The slope is -5/6

Step-by-step explanation:

To find the slope of a line given two points, we use the formula

m= (y2-y1)/(x2-x1)

  = (-1-4)/(4--2)

  =-5/(4+2)

  =-5/6

3 0
3 years ago
Read 2 more answers
78974 divided bye 21 with whole number and remeinder
andriy [413]

Answer:Said Imneverlackin'alwayspistolpacking

Withthemautomaticswegonsendhimtoheaven

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4 0
3 years ago
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