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almond37 [142]
3 years ago
11

5x - 9y = 135 solve for y

Mathematics
2 answers:
romanna [79]3 years ago
7 0

Answer:

The answer is y=-15+ <u>5x</u>

                                    9

Step-by-step explanation:

AleksAgata [21]3 years ago
7 0

Answer:

The value of the provide equation for y is y=\frac{5x-135}{9}.

Step-by-step explanation:

Consider the provided equation.

5x - 9y = 135

We need to solve the equation for y.

Subtract 5x from both the sides

5x-5x - 9y = 135-5x

-9y = 135-5x

Divide both the sides by -9.

\frac{-9y}{-9} =\frac{135-5x}{-9}

y=\frac{-135+5x}{9}

y=\frac{5x-135}{9}

Hence, the value of the provide equation for y is y=\frac{5x-135}{9}.

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Answer:

A- 129.6 N

Step-by-step explanation:

Since the centrifugal force on the passenger, F varies jointly as the mass of the passenger, m and the square of the speed of the car,v. In mathematical notation, F ∝ mv² ⇒ F = kmv².

If F₁ = 226.8 Newtons, m₁ = 70 kilograms and speed v₁ = 60 kilometers per hour. From F= kmv², k = F/mv² the proportionality constant. If F₂ is the force on the passenger of mass m₂ = 90 kilograms and speed of car ,v₂ = 40 kilometers per hour. Then,

k = \frac{F_{1} }{m_{1}v_{1} ^{2}  } = \frac{F_{2} }{m_{2}v_{2} ^{2}  }\\ F_{2} = F_{1} \frac{m_{2} }{m_{1} }(\frac{v_{2} }{v_{1} }) ^{2}    \\F_{2} =  226.8\frac{90 }{70 }(\frac{40 }{60 }) ^{2}\\F_{2} = 129.6 newtons

3 0
3 years ago
One side of a right triangle is 8 cm shorter than the hypotenuse and 7 cm shorter than the third side. Find the lengths of the s
Reptile [31]

Answer:

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Step-by-step explanation:

Let the shorter side be a, longer side be b, hypotenuse be c

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Because a is a side length and is a positive number

a = 5

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Step-by-step explanation:

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If you wanted to shift the graph of y = 2x + 5 up, which equation could you
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