Step-by-step explanation:
x²-3=0
x²=3
x=√3
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Step-by-step explanation:
5x=4x+12(corresponding angle)
5x-4x=12
x=12
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The first question is (7)
Answer:
12 and 28
Step-by-step explanation:
Represent the numbers using x and y. Then y - x = 16. (y is the larger one.)
Then 3y = 7x, and y = (7/3)x.
Substituting (7/3)x for y in y - x = 16, we get:
(7/3)x - x = 16.
Eliminate the fraction by multiplying all three terms by 3:
7x - 3x = 48, or 4x = 48, yielding x = 12. Then y = (7/3)(12) = 28.
