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expeople1 [14]
3 years ago
5

Item: Circle D has a radius of 16 inches and right central angle, _EDF. Find the exact length of EF.

Mathematics
1 answer:
marysya [2.9K]3 years ago
4 0
Formula:
C= 2 r π
Step 1: plug the given radius into the formula
C= 2(16) π
Step 2: multiply them and you should get
C= 32 π

Step 3: then you will want to divide the circumference by 4

360/90 =4
32 π /4 = 8 π

Answer: 8 π inches
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You invested money in two funds. Last year, the first fund paid a dividend of 8% and the second a dividend of 5%, and you receiv
Angelina_Jolie [31]

You invested 11000 in in 2st fund and 9000 in 2nd fund

<h3><u>Solution:</u></h3>

Given that, You invested money in two funds.  

Last year, the first fund paid a dividend of 8% and the second a dividend of 5%, and you received a total of $1330.  

This year, the first fund paid a 12% dividend and the second only 2%, and you received a total of $1500.

Let the amount in Fund I be $x and amount in Fund II be $ y

Then, for last year ⇒ 0.08x+0.05y=1330 ----- eqn (1)  

And for this year ⇒ 0.12x+0.02y=1500 ------- eqn (2)  

Multiply (1) by 2 ⇒ 0.16 x + 0.1 y = 2660  

Multiply (2) by 5 ⇒ 0.6 x + 0.1 y = 7500

Subtract the two equations  

(2) ⇒ 0.6x + 0.1y = 7500

(1) ⇒ 0.16x + 0.1y = 2660

(-) --------------------------------

0.44x + 0 = 4840

x = 11000

Now, from eqn (2)  

0.12(11000) + 0.02y = 1500  

0.02y = 1500 – 1320  

0.02y = 180  

y = 9000

Hence, he invested 11000 in in 2st fund and 9000 in 2nd fund

5 0
3 years ago
How long will it take Karen to drive 975 miles, if her average speed is 65 miles per hour? Write a formula
irga5000 [103]
It'll take her 15 hours.
Formula:   975= 65x 
Where x represents hours
6 0
3 years ago
Read 2 more answers
Which of these describes an angle?
stealth61 [152]
A part of a line that connects two endpoints I believe
7 0
2 years ago
Number 1 is the question
ozzi
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3 0
2 years ago
How to do compound and simple interest
Cerrena [4.2K]

Answer:

We can compute simple interest by finding the interest rate percentage of the amount borrowed, then multiply by the number of years interest is earned. Another type of interest calculates interest on both the money initialy deposited as well as the interest money earned, and is called compound interest.

Step-by-step explanation:

hope this helps

3 0
3 years ago
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