2x + 1y + 1z = 8.25 1x + 1y + 2z = 7.25 i need to solve for x

2x + 1y + 1z = 8.25 1x + 1y + 2z = 7.25 i need to solve for x

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I don't understand how to set it up into a equation

If f(x) = (x-1)2, show that f(p+a) = f(1-p) Please show me how to solve a problem as such, thank you!

what is y=a(-2-4)^2-1 in standard form

cookies sold for 10 cents and doughnuts for 20 cents Pericles bought 25 items for 3.50 How many doughnuts and how many cookies did he buy

Two trains started from the same station at the same time and traveled in opposite directions. After traveling 4 hours, they were 480 miles apart. The rate of the fastest train exceeded the rate of...

Josephine walked to brundi and then trotted back home. She walked at 2 miles per hour and trotted at 4 miles per hour. How far was it to brundig if her walking time was 2 hours longer than her trotting...

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The set of ordered pairs represents a function f ((-5, 3), (4, 9), (3, -2), (0,6)) That part got cut off of the question

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It is an algebra question that is finding 2 different numbers that create one sum. I am having trouble figuring it out and that is why I asked.

Forty percent of the votes chose shane. If 540 voters chose the other candidates, how many votes were there?

A. X<1 B. X>1 C. X<5 D. X>5

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And mezzanine seats (the only other option) cost $16.25, how many mezzanine tickets were sold?

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I am having trouble because one of them is a cubic polynomial. y= x^2 - 2x - 5 y= x^3 - 2X^2 - 5x - 9 Question When the two equations shown are graphed in the coordinate...