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dusya [7]
3 years ago
5

Can you guy help me please

Mathematics
1 answer:
nordsb [41]3 years ago
7 0
For number 25 it’s x=4 and for 26 it’s x=7
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Estimate the solution to the system of equations.
Leona [35]

Answer:

\sf C)  \  x = -1\dfrac{2}{5}  , \  y =  \ 1\dfrac{3}{5}

Given equations:

  • a) -3x + 3y = 9
  • b) 2x - 7y = -14

<u>Make x the subject in equation 1</u>:

  • -3x + 3y = 9
  • -3x = 9 - 3y
  • x = y - 3

<u>Substitute this into equation 2</u>:

2(y - 3) - 7y = -14

2y - 7y = -14 + 6

-5y = -8

  y = -8/-5

  y = 1.6

Then x = y - 3

           = 1.6 - 3

           = -1.4

Solution: (x, y) ⇒ (-1.4, 1.6)

3 0
2 years ago
A set of equations is given below:
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8 0
3 years ago
A middle-school band holds a car wash to raise money. The sixth-grade band members wash 16 cars. The seventh-grade band members
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210 because 7th graders washed 12 cars, 8th graders washed 14 cars, 6th graders washed 16 cars. Added all together and multiplied by 5, it equals 210
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Compared to its parent function the transformation of the following : y= -3x - 3 + 4
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The answer is B
Hope it helps!!
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What is the least common multiple of15&amp;25
nikklg [1K]
The LCM of 15 and 25 is 75.
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