4 years ago

Please help me with this

Mathematics

2 answers:

stiks02 [169]4 years ago

8 0

Answer:

1 is 40/7

Step-by-step explanation:

ankoles [38]4 years ago

7 0

Answer:

Step-by-step explanation:

1. 7e = 40

e = 40/7

3. 24(-4/3p + 4/8p = 6)

-32p + 12p = 144

-20p = 144

p = -144/20 = -72/10 = -36/5

2. 2(5/2k + 5 = 2)

5k + 10 = 4

5k = -6

k = -6/5

4. 42(5/6d - 2/7d = 5)

35d - 12d = 210

23d = 210

d = 210/23

5. 63(6/7a - 4/9a = 2/63)

54a - 28a = 2

26a = 2

a = 2/26 = 1/13

6. 60(M/5 - M/12 = 4/20)

12M - M = 12

11M = 12

M = 12/11

7. 9(8/3h = 6/9)

24h = 6

h = 6/24 = 1/6

8. 44(7/11c = 9/4)

28c = 99

c= 99/28

Extra credit:

24(3/2y + 9/4y = 11/6 - 7/8)

36y + 54y = 44 - 21

90y = 23

y = 23/90

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Please help me with this​

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