3 years ago

Please help asap!!! Mathematics

Mathematics

2 answers:

marishachu [46]3 years ago

6 0

1. 1 anything raised to 0 is 1 ,2. 10 evaluate ,3.111evaluate hope this helps you

kogti [31]3 years ago

6 0

Your answer the #3 is 111

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find the area of the isocele triangle formed by the points of intersection of parabolas y=-x^2+9 and y=2x^2-3 and the origin

leonid [27]

Answer:

$10\ \text{sq. units}$

Step-by-step explanation:

The parabola's are

$y=-x^2+9$

$y=2x^2-3$

$-x^2+9=2x^2-3\\\Rightarrow 12=3x^2\\\Rightarrow \\\Rightarrow x=\sqrt{\dfrac{12}{3}}\\\Rightarrow x=\pm 2$

$y=-x^2+9=-(2)^2+9\\\Rightarrow y=5$

$y=-(-2)^2+9=5$

So, the points at which the parabola's intersect each other is $(2,5)$ and $(-2,5)$

The three points of the triangle are $(2,5)$ , $(-2,5)$ and $(0,0)$

Area of a triangle is given by

$A=\dfrac{1}{2}[x_1(y_2-y_3) + x_2(y_3-y_1) + x_3(y_1-y_2)]\\\Rightarrow A=\dfrac{1}{2}[2(5-0)+(-2)(0-5)+0(5-5)]\\\Rightarrow A=10\ \text{sq. units}$

Area of the triangle formed is $10\ \text{sq. units}$ .

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3 years ago

You can use _____ to help determine the right foods to eat.

Ratling [72]

Answer:

Joe mama

Step-by-step explanation:

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3 years ago

Which expression is equivalent to this polynomial expression? (2x^2 – 3y^2)(4x^4 + 6x^2y^2 +9y^4)

NeX [460]

Answer:

$26 {x}^{6} - 18 {x}^{2} {y}^{4} - 27 {x}^{4} {y}^{2}$

Step-by-step explanation:

click the link for alot more explanation, I'm tried typing

https://photomath.net/s/l5LVxj

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3 years ago

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borishaifa [10]

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Slope that looks like
/ is positive
\ is negative

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4 years ago

HEY GUYS I NEED HELP WITH THIS PLZZ! write down everything from the detail of how yall found ur answer plzz! 20 points or more..

aleksley [76]

Answer:

1/6+1/8+$13.50+$5=x

x=$18.79

Step-by-step explanation:

i add them

first i find the common denominator for 1/6 and 1/8

then i add 13.50 by 5

then add 18.50 by 7/24

i hope this explains how i got my answer

5 0

4 years ago

Read 2 more answers