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aksik [14]
3 years ago
13

Solve the system of linear equations by substitution. y−x=0y−x=0 2x−5y=9

Mathematics
1 answer:
Naddik [55]3 years ago
6 0
There are no solutions to 2x-5y=9 but if you are solving it by y=mx+b form than your answer would look like this: y=2/5x-9/5
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Antoine paid $7.47 for 3 pounds of grapes. Write the cost of the grapes as a unit rate.
Sergeeva-Olga [200]

2.49

Because 7.47 divided by 3 equals 2.49

8 0
3 years ago
Read 2 more answers
White lightbulbs are sold in packages of 9. Yellow lightbulbs are sold in packages of 12. Find the least number of lightbulbs of
AfilCa [17]
The least common multiple of each number is 36. So that is the answer. She will buy 4 packages of white and 3 packages of yellow bulbs.
5 0
2 years ago
2,6,18,...<br> Find the 8th term.<br> Find the 8th term.
maw [93]

Answer:

4378

Step-by-step explanation:

Its clearly given that each term is multiplied by 3

I.e- 2×3 = 6

6×3= 18

and so on....

so here the G.P series is a=2 and r=3

To find the 8th term ar^8-1

ar^7 = 2×3^7

= 2×2187

= 4378

5 0
2 years ago
Each week, a cook purchases 12 pounds of butter. During the last year, the cook has paid as little as $23.04 and at much as $29.
Tatiana [17]

Each week, a cook purchased 12 LBS. of Butter:

During the Last year:  (12 Months):

Cook Paid:

Little:   $23.04

Much:  $29.40, For Butter he or she purchased in a week:

Question: is: what is the Difference between, the Greatest price per pound, and the least price per pound of butter the cook paid within the last year?


EQUATION:

Least Paid / 12  =====>  23.04 /12

Most Paid / 12  ======>    29.40 / 12



Divide:

23.04 / 12    =     1.92 / LB

29.40 / 12     =     2.45 / LB

Now Subtract:

2.45   -     1.92

Answer   ======>    0.53 is the difference, between the greatest price per round, and least price per round of butter the cook would have paid within the last year.






Hope that helps!!!                                : )

4 0
3 years ago
Driving through the mountains,Dale has to go up and over a high mountain pass. The road has a constant incline for 7 3/4 miles t
creativ13 [48]

Answer:

6510

Step-by-step explanation:

7.75 x 840 = 6510

8 0
3 years ago
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