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Goshia [24]
3 years ago
8

*PLEASE HELP* Who ever answers gets Brainliest!!! Please show work and it's due TOMORROW!!!!!

Mathematics
1 answer:
dolphi86 [110]3 years ago
4 0
6. is 10 bc 25% (.25) times 40 is 10
7. is .86 bc 43/50 is .86
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At Best Buy they have a stereo system at the cells of 22000 and is on sale for 15% and sales tax is 7%. what is the final cost
JulijaS [17]

Answer:

4,840

Step-by-step explanation:

15% of 22000 is 3300 and 7% of 22000 is 1540 so add those together to get 4840.

5 0
3 years ago
A plane flies 1890 km in 3.5 hours. How far will the plane fly in 4.2 hours if it maintains the same air speed?
max2010maxim [7]

Answer:

2267 km

Step-by-step explanation:

1890 km/3.5 hours = 2267 km/4.2 hours

6 0
3 years ago
Is this the right answer?
Ne4ueva [31]
Yes your answer is solved correctly
6 0
3 years ago
I don’t understand this problem
Maru [420]

Answer:

34/50 or 17/25

Step-by-step explanation:

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3 0
2 years ago
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The volume of a right circular cone is 300 cubic inches. What is the volume, in cubic inches, of
Jet001 [13]

Answer:

900 cubic inches.

Step-by-step explanation:

<u>Given the following data </u>

Volume of right circular cone = 300in³

We know that the volume of a right circular cone is given by the formula;

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

Where;

  • V is the volume of right circular cone.
  • r is the radius of the base of the right circular cone.
  • h is the height of the right circular cone.

The volume of a right circular cylinder is given by the formula;

V = \pi r^{2}h

Thus, multiplying the volume of the right circular cone by 3 would give us the volume of the right circular cylinder.

V = \frac{1}{3} \pi r^{2}h * 3

<em>Substituting into the equation, we have;</em>

V = 300 * 3

V = 900in³

<em>Therefore, the volume of a right cylinder that has the same base and height as the cone is 900 cubic inches.</em>

7 0
3 years ago
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