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lozanna [386]
3 years ago
9

Area of a circle with a radius of 7

Mathematics
2 answers:
kati45 [8]3 years ago
8 0

Answer:

48π

Step-by-step explanation:

Area = π r^2

So, let's substitute.

Area = π 7^2

Area = 49π

zheka24 [161]3 years ago
5 0

Answer:

I'm pretty sure the answer would be 153.94

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In the year 2017, an estimated 4,347,000 people in this country are illiterate.
Salsk061 [2.6K]

The number of people of the country which is predicted will be illiterate in the year 2025 are 1,300,700.

<h3>What is percentage decrease?</h3>

Percentage decrease is the amount deducted or reduced from the initial value in the percentage part.

In the year 2017, an estimated 4,347,000 people in this country are illiterate. With new incentives and funding, The country is hoping to cut that number by 14% every year.

Total year from 2017 to 2025 are 8 years. Thus, use the following formula of compound interest to find percentage decrease:

A=P\times\left(1+\dfrac{r}{100}\right)^{t}\\

Here, A is the final population, The initial population is P, the rate is r and the time period is t. Put the values,

A=4347000\times\left(1-\dfrac{14}{100}\right)^{8}\\A\approx1300700

Thus, the number of people of the country which is predicted will be illiterate in the year 2025 are 1,300,700.

Learn more about the percentage decrease here;

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8 0
2 years ago
A, B, and C are points of tangency. CQ = 5, PQ = 10, and PR = 14. What is the perimeter
igomit [66]

*see attachment for diagram

Answer:

Perimeter = 38

Step-by-step explanation:

Recall: when two tangents are drawn to meet at a point outside a circle, the segments of the two tangents are congruent.

Given,

CQ = 5

PQ = 10

PR = 14

Perimeter of ∆PQR = RC + CQ + QB + BP + PA + AR

CQ = QB = 5 (tangents drawn from an external point)

BP = PQ - QB

BP = 10 - 5 = 5

BP = PA = 5 (tangents drawn from an external point)

AR = PR - PA

AR = 14 - 5 = 9

AR = RC = 9 (tangents drawn from an external point)

✔️Perimeter of ∆PQR = RC + CQ + QB + BP + PA + AR

= 9 + 5 + 5 + 5 + 5 + 9

Perimeter = 38

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3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

B) rose bush: $8, pot of ivy: $11

Step-by-step explanation:

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remove parentheses: (a) = a

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multiply the numbers: 12 * 8 = 96

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