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marshall27 [118]
3 years ago
10

Find two numbers whose sum is -39 and whose product is 10

Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0
A) x + y = -39
B) x * y = 10

From A) we see x = -y -39 then we substitute this into B
B) (-y -39) * y = 10
-y^2 -39y = 10
-y^2 -39y -10 = 0

y = -38.742
x = -.258


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The following table shows the total number of quizzes taken in high school. how many quizzes are taken per week?
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The product of two consecutive even positive integers is 674 more than the sum of the two integers. Find the integers.
IrinaVladis [17]
2n(2n+2)=2n+2n+2+674\\
4n^2+4n=4n+676\\
4n^2=676\\
n^2=169\\
n=-13 \vee n=13
-13\not\ \textgreater \ 0

n=13\\
2n=26\\
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Need helpp fastt plss will give brainliest to who is correct plss helpp
Juliette [100K]

Answer:

12(3+1)

Step-by-step explanation:

use distributive property to solve

13 times 3 is 36

12 times 1 is 12

so 12(3+1) is equal to 36+12

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8 0
3 years ago
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Х = 2y + 3<br> х = Зу — 4​
krek1111 [17]
I don’t even know :( sorry
8 0
2 years ago
Read 2 more answers
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
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