3 years ago

What two numbers add to get 4 and multiply to get -4

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

6 0

-2 and -2 Two negatives added equal a positive.............. . . .. . . . . . .

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What is the value of 47 × 12 + 12 × 53 + 53 × 8 + 8 × 47?

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2 years ago

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Which function is nonlinear?

lutik1710 [3]

Answer:

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Step-by-step explanation:

U can tell by graphing them out yourself and if u see a straight line then it linear, and if you see a curved loop then it's non- linear. but I'll do it :)

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3 years ago

5.1x=-15.3 solve for x

LekaFEV [45]

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Evgen [1.6K]

Answer:

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Step-by-step explanation:

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2 years ago

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A right triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?

Irina-Kira [14]

The formula of the area of a triangle:
$A_\Delta=\dfrac{bh}{2}$
b - the bash - the height
We have:
b - the base3b - the height486 - the area

Substitute:
$\dfrac{3b\cdot b}{2}=486\ \ \ |\cdot2\\\\3b^2=972\ \ \ |:3\\\\b^2=324\to b=\sqrt{324}\\\\b=16\to h=3b=3\cdot18=54$
Answer: The length of the height is equal 54 units.

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3 years ago