Joe deposits $20,000 for his retirement in an account with a 7% simple interest rate. How long will it take Joe to earn $14,700 in interest?

Answers

Answer 1

Answer: 10 to 11 years
7% of 20k is 1400 and that goes in to it 10.5 times
that how you solve it

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Plz help, so confused, will report, just need these answers and explainations, correctly, thanks:)
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What is 6.46,6.41 and 4.6 in order from least to greatest

Answers

It will be 4.6 , 6.41 and 6.46 because it asking u write the number smallest to greatest

(all you need yo do with 4.6 is put a zero at the end.) 4.6(0), 6.41, 6.46

What is the ratio 12 to 63 written as a fraction in lowest terms? A.12/63

B.4/7

C.3/7

D.4/21

Answers

The answer to your question is 4/21

Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. How long is her dance class?

Answers

Her dance class is 1 hour and 45 minutes.

This is because there is 1 hour from 4:30 to 5:30. Then, there is 45 minutes from 5:30 to 6:15

Good luck!

If Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. then how long is it? Lets find out. The way I solved it would be to count by hours. 4:30 to 5:30 is one hour. 5:30 to 6:30 is 2 hours. But 6:30 is too much time. So now you take away the required amount to make it 6:15. You have to take away 15 minutes. So 2 hours minus 15 equals 1 hour and 45 minutes.
Kiera's dance class was 1 hour and 45 minutes long.

If a cone has a surface area of 822.78cm^2 and a diameter of 18cm, find the slant height of the cone

Answers

Answer:

$20.11\ cm$

Step-by-step explanation:

we know that

The surface area of the cone is equal to

$SA=\pi r^(2)+\pi rl$

where

r is the radius

l is the slant height

In this problem we have

$SA=822.78\ cm^(2)$

$r=18/2=9\ cm$ -----> the radius is half the diameter

substitute and solve for l

$822.78=\pi (9)^(2)+\pi (9)l$

$822.78=81\pi +9\pi l$

$l=(822.78-81\pi)/9\pi$

$l=(822.78-81(3.14))/9(3.14)=20.11\ cm$

What is a equaled sign

Answers

An equal sign is a symbol in mathematics.

It is to indicate that the given terms are equal.

It is also used to indicate a mathematical equality.

An equal sign looks like ( $=$ ) this.

an equal sign is a symbol that looks like =

give 2 examples that show how using parentheses can change the order in which operations are performed in an expression

Answers

Here is an example,

Kate had a test and one of the questions were 8 dived by 2 +( 6+7)+3. She answered by saying it was 13.625 . When the teacher graded it she marked it wrong then handed it to Kate saw that it was wrong. She wondered why so she asked the teacher and said why she got it wrong and explained that the parenthesis are show that you need to solve the number in it first before you do anything else. Then Kate tried to solve it again and got 20.

Hope this helps and sorry it took me long to reply

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What is the value of the expression x + (–y) when x = –3.8 and y = 1.7?A. –2.1 B. 5.5 C. 2.1 D. –5.5

Please help ASAP Which expression can be used to find 45% of 54? A.4/5 x 54 B.5/4 x 54 C. 9?20 x 54 D. 20/9 x 54