helpppppppp?

Question

5. Whats the sum of the prime numbers that are between 30 and 42?

7/8. Write the fractions 5 over 9 and 1 over 20 as decimal numbers.

9. Write 3 over 14 with a denominator of 42.

10. Reduce each fraction to lowest terms:
a.) 70 / 60
b.) 16 / 24
c.) 24 / 36

11. simplify. 169,211 divided by 10,000

12. simplify. 123.61311 times 100


please help, thanks:]

Answer 1

5. 31+37+41=109

7/8. 5/9=.555 1/20=.05

9. 3/14= 9/42

10. 70/60=1 1/6
16/24=2/3
24/36=3/4

11.16.92
12.12361.311

Answer 2

5.
31+37 = 68

7. 5/9 = 0.5555555555555555. to infinity

8. 1/20 = 0.05

9. Your question is not understood. However, 3/14 or 3/42 or 14/42
3/42 redcuces to 1/14
14/42 reduces to 1/3

10.
a) 70/60 = 7/6 = 1 1/6
b). 16/24 = 2/3
c) 24/36 = 2/3

11. 169.211 /10,000 = 0.0169211

12 123.61311 x 100 = 12361.311

Answer 3

5. first, think what a prime number is. a number that can only be divided by itself, or 1.
so...is 31 prime? yes, 32 no, 33 no, 34 no, 35 no, 36 no, 37 yes,
38 no, 39 no, 40 no, 41 yes. add the yes numbers and there you have it. remember, all even numbers over 2 are NOT prime

Answer 4

Pay attention in class, read the book. The world is full of mediocrity and you're on the right path to join the herd.

Answer 5

do your own homework. math is one of those things that each concept builds on another. you are cheating yourself and making the future math courses you take all that much harder.

Answer 6

Que?

Answer 7

5.)?
7/8.).55555555...; .05
9).9/42
10)
a.)7/6
b.)2/3
c.)2/3
11).16.9211
12).12361.311

Answer 8

31+37+38+41=147
-------------------------------
5/9=0.555555555556
1/20=0.05
--------------------------------
a)7/6
b)2/3
c)2/3
-------------------------
16.9211
----------------
1236131100