3 years ago

I NEED HELP AP STATS THANK YOU!!

Mathematics

1 answer:

artcher [175]3 years ago

6 0

Answer:

it is true :)

Step-by-step explanation:

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Add<br>3×+8y-12zand5x-7y+15z<br>help meee<br>

inn [45]

3x+5x+12z+15z+8y+7y

8x+17z+15y

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3 years ago

The diagram shows a cone and its axis of rotation. Which type of cross section is formed when the cone is intersected by a plane

yKpoI14uk [10]

Answer:

Right-triangle

Step-by-step explanation:

Take a right triangle for example, then twist it 360 degrees, keeping the longest leg at the center of rotation. It will then form a cone.

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3 years ago

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What are the solutions to the quadratic equation -2x^2 + 6x + 3 = 0?

mario62 [17]

For this, we will be using the quadratic formula, which is $x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}$ , with a=x^2 coefficient, b=x coefficient, and c = constant. Our equation will look like this: $x=\frac{-6+/-\sqrt{6^2-4*(-2)*3}}{2*(-2)}$

Firstly, solve the multiplications and the exponents: $x=\frac{-6+/-\sqrt{36+24}}{-4}$

Next, do the addition: $x=\frac{-6+/-\sqrt{60}}{-4}$

Next, your equation will be split into two: $x=\frac{-6+\sqrt{60}}{-4},\frac{-6-\sqrt{60}}{-4}$ . Solve them separately, and your answer will be $x=-0.436,3.436$