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tankabanditka [31]
3 years ago
6

What are the three different kinds of problems we can solve using the percent proportion?

Mathematics
1 answer:
shtirl [24]3 years ago
3 0

Answer:

We have now seen solutions method for the three basic types of percent problems ;finding the amount, the rate, and the base

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if α,β are the roots of the equation x^{2}-3x+2=0 form an equation whose roots are (α+β)² & (α-β)²
GuDViN [60]

<u>Solution</u><u>:</u><u>-</u>

Let's find roots of x² - 3x + 2

=> x² - 3x + 2 = 0.

=> x² - x - 2x + 2 = 0.

=> x ( x - 1 ) -2 ( x - 1) = 0.

=> ( x - 1 ) ( x - 2 ) = 0.

=> x = 2, 1.

Now

  • ( a + ß )² = (2+1)²=3²=9
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So , equⁿ would be ,

=> x² - ( 9 + 1)x + 9×1=0.

<u>=> x² - 10x + 9=0.</u>

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A student got a juice box for $2.50 and some bags of chips for $0.85 each bag. The total cost was $5.05. What equation can be us
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slega [8]
First, we need to get rid of the denominator. to do so, we will simply multiply all terms by 12 (which is the result of 3*4).
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