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Alex
3 years ago
8

Please answer this!!!

Mathematics
1 answer:
Kryger [21]3 years ago
6 0

Answer:

9

Step-by-step explanation:

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Jane had $7 and her sister had $2. Their parents gave each of them an equal amount of money . Then, Jane had twice as much money
slega [8]

Answer:

They each got $3.00

Step-by-step explanation:

7+x = 2(2+x)

7+x = 4 + 2x

-x = -3

x=3

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3 years ago
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For a class project, a teacher cuts out 15 congruent
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Answer:

60 -047 = 13 in²

Step-by-step explanation:

Paper area: 6 x 10 = 60

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15 circles: 3.14 x 15 = 47.1

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3 years ago
Which is the solution of the following system of equations: 2x + y = 4 3x – y = - 14
murzikaleks [220]

2x + y = 4 \\ 3x - y =  - 14

Lets add 2 equations

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Now we need to put x into any equation

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Answer: (-2; 8)

3 0
3 years ago
I need help? For precalculus
ikadub [295]
Good luck I’m not sure what else to tell yuh
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3 years ago
Factoring<br>factor: 80n^2+56n​
Zinaida [17]

Answer:

4480n^3

Step-by-step explanation:

just multiply 80n x 56n and get 4480n but since 80n is to the 2nd and 56n is to the first add them to get to the power of 3 and put that on 4480n

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