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AlexFokin [52]
3 years ago
8

The least common denominator of the two fractions is 30. If you add the two denominators, their sum is 17. What are the denomina

tors
Mathematics
1 answer:
QveST [7]3 years ago
8 0
The answer could be 2 and 15
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konstantin123 [22]

For the equation  F(x) = ax² + bx + c we have:

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F(x) = -3x² + 18x + 3    ⇒  a = -3, b = 18

a < 0    ⇒   the function has a maximum value

Quadratic function has the maximum value (or minimum) at vertex of its parabola.

The maximum value is k at x=h where:  h=\dfrac{-b}{2a}  and  k = F(h)

h=\dfrac{-18}{2\cdot(-3)}=3\\\\F(3)=-3\cdot3^2+18\cdot3+3=-27+54+3=30

Therefore:

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1 year ago
Jody is buying a scrapbook and sheets of designer paper. She has $40 and needs at least $19.00 to
Bas_tet [7]

Answer:

7 sheets of paper

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In words:

I did 40 minus 19 to get 21, and the divided 21 by 3 to get 7 sheets of paper.

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3 years ago
What is 3/4 fraction as a mixed number​
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Step-by-step explanation:

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Step-by-step explanation please<br> (Worth 3 marks)
atroni [7]

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62°

Step-by-step explanation:

180-118=62

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