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icang [17]
3 years ago
11

NEEED HELPPPP

Mathematics
2 answers:
Vitek1552 [10]3 years ago
3 0
For the answer to the question above, it is -18% because to find rate we subtract the rate, in this case, is .82 or 82% - 1 or 100% and that would give you the rate, in this case, its decreasing by an 18%
I hope my answer helped you.
Harrizon [31]3 years ago
3 0

Answer:

The rate of interest is 18%.

Step-by-step explanation:

The exponential function for the compound interest is A(x)=P(0.82)^x

That is, A(x)=P(1-0.18)^x

As we know,

<em>The compound interest is given by A=P(1+r)^x, where r = rate of interest.</em>

On comparing, we get that,

The rate of interest is 0.18 i.e. 18%.

Hence, the rate of interest is 18%.

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olga_2 [115]

Answer:

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Step-by-step explanation:

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3 years ago
The volume of a right circular cone is 2,279.64 in cubed. If the height of the cone is 18 in, what is the diameter of the cone?
Aleksandr [31]

ANSWER

A. 22 in

EXPLANATION

The volume of a cone is calculated using the formula:

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

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The height of the cylinder is also given as: h=18 in.

We substitute, the given values into the formula to get:

2279.64=  \frac{1}{3}  \times (3.14) \times {r}^{2}  \times 18

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We take positive square root to get;

r =  \sqrt{121}

r = 11in

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5 0
3 years ago
Mrs. Gomez is a mother to 2 boys. The number of children she has is three times the number of boys she has. Her children are pla
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