3 years ago

Part A

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

There are several possible outcomes. If your cross section is created by intersecting the cone with a plane parallel to the base of the cone, the cross section is a circle. If the plane is held vertical, the cross section could be a hyperbola. If the intersecting plane is neither vertical nor horizontal, the cross section could be an ellipse.

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The Value of x in the system of equation at the right is -2 what is the value of a? use elimination to help you find the value.

sammy [17]

2x-4y=-16
ax+4y=6 +
--------------------
2x+ax=-10; for x=-2,
2(-2)+a(-2)=-10
-2a=-10+4
a=-6/-2
a=3

7 0

3 years ago

S is the midpoint of RT. If RS = 7x-4 and ST = 5x+10, what is ST

Natali [406]

Answer: 45

Step-by-step explanation:

$RS=ST\\\\7x-4=5x+10\\\\2x-4=10\\\\2x=14\\\\x=7\\\\\implies ST=5(7)+10=45$