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Earn +20 ptsQ: What is d plus 7 over d squared minus 49?
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Give example of a quadratic equations?
X2+5x-6. a=1, b=5, and c=-6 The formula is: -b plus or minus the square root of b squared minus 4ac all over 2a. -b+square root of b2-4ac ---- 2a -5 plus or minus the square root of 5 squared minus 4(1)(-6) -5 plus or minus the square root of 25-4(-6) -5 plus or minus the square root of 25+24 -5 plus or minus the square root of 49 -5 plus or minus 7 Here is where you split into two different answers: Number 1: -5 plus 7= 2 Number 2: -5 minus 7= -12 Your answer is X=2, -12
What is 78 minus 51 plus 46 minus 12 times 34 plus 91 minus 83 plus 10 plus 93 divided by 3 minus 31 plus 56 times 28 minus 49 plus 34 plus 97 times 68-64 plus 33 minus 49 plus 91 times 3 plus 35?
8060 Source: calculator
9t squared plus 42t plus 49?
9t2 + 42t + 49 is a perfect square, equal to (3t + 7)2
What is negative 7 times 7?
negative 49. This is because a minus multiplied by a plus is a minus.
The square root of 81 is how much less than 7 squared?
well, the square root of 81 is 9, and seven squared is 49, so it wud be 40
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