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NISA [10]
3 years ago
9

Find the value of y for which the value of 1.7y+37 is 14 less than the value of 9.3y–25 HELP QUICK

Mathematics
1 answer:
Harrizon [31]3 years ago
4 0

Answer:

y=10

Step-by-step explanation:

1.7y+37 is 14 less than the value of 9.3y–25

  • 1.7y + 37 = 9.3y - 25 - 14
  • 1.7y + 37 = 9.3y - 39
  • 9.3y - 1.7y = 37 + 39
  • 7.6y = 76
  • y = 76/7.6
  • y = 10

Answer is 10

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Use Cramer's rule to find the solution to the following system of linear equations.
slavikrds [6]

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Step-by-step explanation:

Step(I):-

Given equations are

x -2y =-7 ...(I)

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The matrix form  AX = B

                    \left[\begin{array}{ccc}1&-2\\ 5  & -9\\\end{array}\right] \left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{ccc}-7\\-5\\\end{array}\right]

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By using Cramer's Rule

Δ₁ =      \left[\begin{array}{ccc}-7&-2\\\\-5&-9\end{array}\right]



The determinant is     Δ₁ = -9 X -7 - (10 ) = 53

x = Δ₁ / Δ

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The determinant

Δ₂ =



Δ₂ = -5 +35

     

 

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2 years ago
Read 2 more answers
Indicate which property is illustrated in Step 1.
o-na [289]
In step 1 , it's commutative property of addition

hope it helps
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