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Sonja [21]
3 years ago
6

8x - 2y = 4 and x + 4y = -12

Mathematics
1 answer:
irina [24]3 years ago
7 0

x = -12 - 4y

y = -3 - (x/4)

There you go! :D

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I need help with multiplying and dividing powers
Tamiku [17]
You need to know these two formulas:

\huge a^b \times a^c = a^{b+c}\\\\\huge \frac{a^b}{a^c}=a^{b-c}

For example,

5^2 \times 5^3 = 5^{2+3} = 5^5

\frac{2^6}{2^4} = 2^{6-4} = 2^2
6 0
2 years ago
How do you do this? I have no idea
Helga [31]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Peter has twice as many stickers as Joe. Joe has 40 more stickers than Emily. They have 300 Stickers altogether. How many sticke
GarryVolchara [31]

Answer:

170

Step-by-step explanation:

Equations derived from given info.

  • P=2J
  • J=E+40
  • P+J+E=300

Use some substitution now.

  • P=2(E+40)
  • J=E+40
  • P+J+E=300

Substitute first and second equation into third.

  • 2(E+40)+E+40+E=300
  • 2E+80+E+40+E=300
  • 4E+120=300
  • 4E=180
  • E=45

Emily has 45 stickers. But we want to know what Peter has.

Use P=2(E+40)

  • P=2(45+40)
  • P=90+80
  • P=170

Peter has 170 stickers.

4 0
3 years ago
hi im a kid named tyler uzing mi big broters acont to ask this qwestion. wats 46+13? tanks for the help
amm1812

Answer:

59

Step-by-step explanation:

ur welcome

6 0
3 years ago
Find four consecutive even integers such that if the sum of the first and third is multiplied
Alenkasestr [34]

Answer:

Step-by-step explanation:

-8-10,-12-14

-8 plus -12 is -20

-20 times 5 is -100

-14 times 8 is -112

-100 is 12 more than -112

6 0
2 years ago
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