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Galina-37 [17]
2 years ago
6

3. Plot the points and then answer the questions:

Mathematics
1 answer:
PIT_PIT [208]2 years ago
6 0

Answer:

a. yes there is a proportional relationship

b. I believe the constant is -3

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ACCTUALLY HELP ME??!!!!!!! NEEDED FOR TOMORROW AND 50 POINTS! will award brainliest for first answer!!
drek231 [11]

Answer:

a:c = 35:24

a:c = 20:27

a:c = 35:22

a:c = 28:27

Step-by-step explanation:

a:b = 7:3

Using cross products

3a = 7b

Divide by 7

3a/7 = b

Now we want

8b = 5c

Substitute in 3a/7 for b

8 (3a/7) = 5c

24/7a = 5c

Multiply by 7

24/7a *7 = 5*7c

24a = 35c

Divide by c

24 a/c = 35

Divide by 24

a/c = 35/24

a:c = 35:24

a:b = 4:9

Using cross products

9a = 4b

Divide by 4

9a/4 = b

Now we want

3b = 5c

Substitute in 9a/4 for b

3 (9a/4) = 5c

27/4a = 5c

Multiply by 4

27/4a *4 = 5*4c

27a = 20c

Divide by c

27 a/c = 20

Divide by 27

a/c = 20/27

a:c = 20:27

b:c = 5:11

Using cross products

11b = 5c

Divide by 11

b = 5c/11

Now we want

2a = 7b

Substitute in 5c/11 for b

2a = 7(5c/11)

2a = 35c/11

Multiply by 11

2a*11 = 35c

22a = 35c

Divide by c

22 a/c = 35

Divide by 22

a/c = 35/22

a:c = 35:22

b:c = 14:3

Using cross products

3b = 14c

Divide by 3

b = 14c/3

Now we want

9a = 2b

Substitute in 14c/3 for b

9a = 2(14c/3)

9a = 28c/3

Multiply by 3

9a*3 = 28c

27a = 28c

Divide by c

27 a/c = 28

Divide by 27

a/c = 28/27

a:c = 28:27

7 0
3 years ago
Solve for y: 1/3y+7≥12<br><br> A) y ≤ 5/3<br> B) y ≥ 15<br> C) y ≤ 5<br> D) y ≥ 57
Klio2033 [76]

Answer:

B) y ≥ 15

Step-by-step explanation:

6 0
3 years ago
Give an example of two whole number factors with a product of 9
Monica [59]
3 and 3 or 1 and 9 not really sure of anything else
7 0
2 years ago
It’s question 14 I need help with please it’s due soon
belka [17]

if you are trying to work out -3/4 - (-1/4 - 1/2) then the answer is 0

5 0
3 years ago
How many 100 dollar bills are in 1 thousand
bonufazy [111]
100 goes into 1,000 ten times. The answer is 10. 
5 0
3 years ago
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