divide 51 by the sum of -8 and -9
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Answer:
-3
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Answer:
Write an equation to represent the situation. Explanation: x2 + 1x = 51x. Place on a common denominator: x(x)2(x) + ...
Step-by-step explanation:
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MATH WORD PROBLEM
Chase M. asked • 07/25/18
The sum of half a number and that number's reciprocal is the same as 51 divided by the number. The number is negative. Find the number.
I really need help mans, please please please help me.
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Tracey M. answered • 07/25/18
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if x = the number then 1/x equals the reciprocal
x/2 + 1/x = 51/x multiply by 2x
x2 + 2 = 102
x2 = 100
because the number must be negative, x = -10
to check:
-10/2 + -1/10 = -51/10
-5 + -.1 = -5.1 checks