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n200080 [17]
3 years ago
10

Which of these shows the result of using the first equation to substitute for y in the second equation then combing like terms

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0

2x + 3y = 55

2x + 3(3x) = 55

2x + 9x = 55

11x = 55

\frac{11x}{11}  =  \frac{55}{11}

x=5

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Help
Anika [276]
The answer to your question is D
.5 x 8= 4 pounds
.5 x 10=5 pounds
.5 x 12=6 pounds
.5 x 16=8 pounds

3 0
3 years ago
Read 2 more answers
Mr. Jones wants to buy 6 tickets to a play. Each ticket costs $10. Mr. Jones has $45 in his pocket.
lawyer [7]

Answer:

He needs $15 more

Step-by-step explanation:

since each ticket costs $10 dollars, and there is 6 tickets, we need to multiply 10 x 6 to get the total cost of all tickets

10 x 6 = $60

To find how much more money he needs to buy all tickets, we need to subtract $45 from the total cost of tickets, which is $60

$60 - $45 = $15

Hope you understand this explanation!

8 0
3 years ago
On a 20 question quiz that Mrs. MacLeod gave. One student got 13 wrong. What is the percent that student received on the test? &
Alexxx [7]

13/20 = 0.65

0.65 x 100 = 65

They got a 65.

7 0
3 years ago
Help help help help help
dem82 [27]
I believe it should be B because it says one more than twice the number so that means addition. Also it says twice the number so that should be 2w.
I’m not 100% sure but it is my best guess
7 0
3 years ago
HELPPPPPPPPPPPPP PLEASEEEEEEEEEE
puteri [66]

Answer:

384.61

Step-by-step explanation:

ok the 3000 does NOW MATTER  they ask about the norm. so 2500 ÷ 6.50$

=384.61 :)

7 0
3 years ago
Read 2 more answers
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