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Wittaler [7]
3 years ago
6

(1) the diameter is 20 inches whats the radius? And whats the circumference?

Mathematics
1 answer:
Alecsey [184]3 years ago
8 0

(1) the diameter is 20 inches whats the radius? And whats the circumference?

Radius is half the diameter, Answer: 10 inches

Circumference is pi times the radius, Answer: 10π inches

I won't bother with the approximation, though this one is easy, 31.4159 inches.  I'll leave the rest of the calculator work to you if necessary.

(2) the diameter 11 inches whats the radius? And whats the circumference?

Radius half, Answer: 5.5 inches.   Circ: 5.5π inches

(3) the diameter 3.5 inches whats the radius? And whats the circumference?

Radius, 1.75 inches.  Circ: 1.75π inches

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P= 9000, r= 2.0%, t= 15 months. Find the simple interest owed for the use of the money. Assume there are 360 days in a year
Nady [450]

Answer:

simple interest is 8350 for 15 months

Step-by-step explanation:

Explanation:-

The simple interest formula A = P (1 + r t)

where 'P' is the principal amount of money to be invested at an interest Rate' r % per period for' t ' number of time periods.

Given data The principal P is borrowed at a simple interest rate r for a period of time t.

Given principal amount  P​ = ​$8000

simple interest rate  r​ = 3.5​%

period of time 't' = 15 months

Calculation:-

Putting time into years

t = 1.25 years

r =    3.5%

r =    0.035 per year

now equation is  A = P (1 + r t)

                         A = 8000 ( 1+ ( 0.035 X 1.25)

                        A = 8000 X 1.04375

                        A = 8350

simple interest is 8350 for 15 months.

7 0
3 years ago
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