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leva [86]
3 years ago
8

Simplify -2^3.O 8 O 6O -6O -8​

Mathematics
2 answers:
Aleks [24]3 years ago
7 0

Answer:

-8

Step-by-step explanation:

-2^3 = (-2)(-2)(-2) = -8

Marat540 [252]3 years ago
6 0

Answer:

it is 8

Step-by-step explanation:

the negative sign ia cancelled as it is multiplied by anoyhee negative sign

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I got it right on edg

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The diagram shows a plan for the rectangular house with an attached porch. The combined area of the house and the porch is 733ft
Nikolay [14]

The value of x in the diagram is 8 feet that makes the combined area of the house and the porch to be 733 ft²

<h3>How to calculate area?</h3>

Combined area = big rectangle + smaller rectangle - triangle

Hence:

733 = (13 * (59 - x)) + (x * 9) - 0.5(9 - 7) * (x - 6)

733 = 767 - 13x + 9x - x + 6

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The value of x in the diagram is 8 feet that makes the combined area of the house and the porch to be 733 ft²

Find out more on area at: brainly.com/question/25292087

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Which statement is not true about these triangles?
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If dy / dx = xy2 and x = 1 when y = 1, then y = ?
kykrilka [37]

Answer:

y = \dfrac{2}{3-x^2}

Step-by-step explanation:

Given that:

\dfrac{dy}{dx} = xy^2

and x = 1 when y = 1

<u>by integrating: </u>

first distribute all x variables on one side and all y variables on the other side.

\dfrac{dy}{y^2} = xdx

now integrate both sides

\displaystyle\int {\dfrac{1}{y^2}}\,dy=\displaystyle\int {x} \, dx\\ \dfrac{-1}{y}=\dfrac{x^2}{2}+c

to find the value of c, we can use the conditions given to us that x = 1 when y = 1.

-\dfrac{1}{y} = \dfrac{x^2}{2}+c\\-\dfrac{1}{1} = \dfrac{1^2}{2}+c\\c = -1-\dfrac{1}{2}\\c = -\dfrac{3}{2}

now that we have our c, we can plug it into our integrated expression.

-\dfrac{1}{y} = \dfrac{x^2}{2}-\dfrac{3}{2}

now simply rearrange the equation to make y the subject.

-\dfrac{1}{y} = \dfrac{x^2}{2}-\dfrac{3}{2}\\-y = \dfrac{2}{x^2-3}\\y = \dfrac{2}{3-x^2}

this is the equation of y

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