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NARA [144]
3 years ago
13

over a 4 week period the price of gasoline increased by 32 cents. if the price changed the same amount each week, what is the av

erage change per week?
Mathematics
1 answer:
sleet_krkn [62]3 years ago
3 0

jxfmcjfmfoenfiengqlkz xhf.cjfchepeoebfjf.fhwl

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Grace is three times as old as Hans, but in 5 years she will be twice as old as Hans is then. How old are they now? Set up an th
frosja888 [35]

Answer:

3x - y = 0; 2x - y = -5

Step-by-step explanation:

Let x be the present age of Hans and y be the present age of Grace,

Since, in present Grace is three times as old as Hans,

⇒ y = 3x

⇒ 3x - y = 0

Now, after 5 years,

The age of Hans = x + 5,

And, the age of Grace = y + 5

Also, in 5 years Grace will be twice as old as Hans is then,

⇒ y + 5 = 2 ( x + 5 )

⇒ y + 5 = 2x + 10

⇒ 2x - y = -5

Hence, the required system of linear equations is,

3x - y = 0; 2x - y = -5

5 0
3 years ago
Which value of c makes the ratios equal? *
Nikitich [7]

Answer:

Option 4

The answer is 10.8

Step-by-step explanation:

5/6 = 9/c

5c = 9 × 6

5c = 54

5c/5 = 54/5

c = 10.8

Thus, The value of c is 10.8

<h3><u>For </u><u>Verification</u>;</h3>

5/6 = 9/c

5/6 = 9/10.8

0.833 = 0.833

Hence, L.H.S = R.H.S

<u>-TheUnknownScientist</u><u> 72</u>

3 0
2 years ago
Graph the line 2x – 3y = 12.
babunello [35]
Decided by 12 is 2 your welcome
8 0
2 years ago
Paul's
dlinn [17]

Step-by-step explanation:

I hope you have a good day

5 0
3 years ago
Read 2 more answers
Please help! WILL GIVE THE BRAINLIEST!!!
Mariana [72]
Hey there,

Your question states: <span>The coordinates of A, B, and C in the diagram are A(p, 4), B(6, 1), and C(9, q). Which equation correctly relates p and q? 

Your correct answer would be </span><span>D. p − q = 7 BECAUSE . . .we would have to back the number up because we would need to basically subtract </span>P-Q which would give you 7. So D.) would be your answer.

Hope this helps.

~Jurgen
7 0
3 years ago
Read 2 more answers
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