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Ugo [173]
3 years ago
8

Х Y K 6 un 00 5 9 ?? K= Y/X Y = K(X). K=. Y=?????

Mathematics
2 answers:
irakobra [83]3 years ago
8 0
What is the question??
zhenek [66]3 years ago
4 0

Answer:

Yep

Step-by-step explanation:

You might be interested in
The population of a town doubled every 5 years from 1960 to 1975. What is the percentage increase in population in this period ?
777dan777 [17]

Answer:

<h2>800%</h2>

Step-by-step explanation:

Let p represent the population

in 1965 → the population becomes 2p

in 1970 → the population becomes 2(2p) = 4p

in 1975 → the population becomes 2(4p) = 8p

 p  ——————> 100%

8p  ————-—-> x%

then

x=\frac{8p*100}{p}=800

5 0
3 years ago
PLEASE HELP ASAP!!!
barxatty [35]

Answers:

  • <u>24000 dollars</u> invested at 4%
  • <u>18000 dollars</u> was invested at 7%

======================================================

Work Shown:

x = amount invested at 4%

If she invests x dollars at 4%, then the rest (42000-x) must be invested at the other rate of 7%

She earns 0.04x dollars from that first account and 0.07(42000-x) dollars from the second account

This means we have

0.04x+0.07(42000-x)

0.04x+0.07*42000-0.07x

0.04x+2940-0.07x

-0.03x+2940

This represents the total amount of money earned after 1 year.

We're told the amount earned in interest is $2220, so we can say,

-0.03x+2940 = 2220

-0.03x = 2220-2940

-0.03x = -720

x = -720/(-0.03)

x = 24000 dollars is the amount invested at 4%

42000-x = 42000-24000 = 18000 dollars was invested at 7%

----------------------

As a check, we can see that

18000+24000 = 42000

and also

0.04x = 0.04*24000 = 960 earned from the first account

0.07*18000 = 1260 earned from the second account

1260+960 = 2220 is the total interest earned from both accounts combined

This confirms our answers.

7 0
3 years ago
3. From noon to midnight, how many times do the hands of a clock form a<br> straight line
melomori [17]

Step-by-step explanation:

The hands of a clock point in opposite directions ( in the same straight line) 11 times in every 12 hours.

4 0
2 years ago
The first one is an example please help thank you ☺
ivanzaharov [21]
Number 3 is a tenth 0.3
6 0
3 years ago
Read 2 more answers
Change the following percents to fractions and reduce
Serga [27]
Here are the answers.

6. 63/100

7. 75/100 = 3/4

8. 91/100

9. 18/100 = 9/50

10. 3/100

11. 25/100 = 1/4

12. 5/100 = 1/20

13. 16/100 = 4/25

14. 1/100

15. 79/100

16. 40/100 or 4/10 = 2/5

17. 99/100

18. 30/100 or 3/10 = 3/10

19. 15/100 = 3/20

20. 84/100 = 21/25

I hope you find this answer the most helpful! :)
4 0
3 years ago
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