Answer:
-1 179/250
Step-by-step explanation:
The value f x when y= 5 is 2
<h3>Variations </h3>
Let the given equation be y = k/x
where k is the constant
if y = 2 when x= 5, then;
k = xy
k= 2(5)
k = 10
In order to determine the value of x when y = 5
x = k/y
x = 10/5
x = 2
Hence the value f x when y= 5 is 2
Learn more on variation here: brainly.com/question/6499629
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(7x^2-2) - (2x^2 - 5x + 3)
Answer:
5(x^2+x-1)
30-25%=22.5
30-22.5=7.5
Sara saves $7.50 from the sale. The sale price would be $22.50