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Verdich [7]
3 years ago
5

Help, what are the answers to these angles? This is due by the end of today.

Mathematics
1 answer:
umka21 [38]3 years ago
3 0

Answer:

1. 128

2. 136

3. 128

4. 52

5. 44

6. 146

7. 84

8. 96

9. 96

10. 84

11.  128

12. 52

13. 44

14. 136

15. 52

16. 128

17. 136

18. 44

Step-by-step explanation:

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the distance d a train travela varies directly with the amount of time t that has elapse since departure. If the train travela 4
antiseptic1488 [7]
475/9.5 x4 = 200miles in 4hrs
7 0
2 years ago
how many kilograms of pure water is to be added to 100 kilograms of a 30% saline solution to make it a 10% saline solution
Irina-Kira [14]

Answer:

  200 kg

Step-by-step explanation:

If w is the amount of water added, then the concentration of the solution is ...

  salt/solute = 100(0.30)/(100 +w) = 0.10

  30 = 10 +0.10w . . . . . simplify

  20 = 0.10w . . . . . . . . subtract 10

  20/0.10 = w = 200 . . . . divide by 0.10

200 kg of water must be added to dilute the solution to 10%.

4 0
2 years ago
Simplify the following expression 2[(7-3)^4 divided by 8] SHOW YOUR WORK! <br> someone pls help
kirill115 [55]

Answer:

64

Step-by-step explanation:

2(7-3)^4 divided by 8

2(4)^4 divided by 8

2(256) divided by 8

512 divided by 8

64

4 0
3 years ago
Read 2 more answers
Line L is graphed in the XY-plane above. If an equation for line L is y=mx+b, which of the following is true?
madam [21]
<span>A)  m > 0 and b > 0
that's what i think it is. If its not im sorry.</span>
8 0
3 years ago
18. Which is more, five-eighths of a dollar or four-ninths of a dollar?
wel

Answer:

five-eighths of a dollar is more than four-ninths of a dollar

Step-by-step explanation:

If you convert the fractions into decimals:

5/8 = 0.625

4/9 = 0.44444444444...

0.625 is closer to 1 than 0.44444444444...

Hope that helped!

4 0
2 years ago
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