Step-by-step explanation:
Substitute x=7in function f
Substitute x= - 2 in function g
f(7)= - 2(7)+4
= -10
g(-2)= 3(-3)+5
= - 4
Brainliest please~
471 divided by r equals 94.2
314 divided by r equals 62.8
94.2 minus 62.8 equals 31.4
Hello!
In math, there is always something called the discriminant. This is represented by the equation
, when a quadratic =
. The discriminant tells you what roots an equation has. A discriminant of over 0 represents 2 real roots, a discriminant of 0 = 1 real root, and a discriminant of <0 is 0 real roots (2 complex roots)
Now, substitute in the values and solve. In this equation, a = 5, b = 2, c = 1.




Therefore, the discriminant is -16. This means that the equation has no real roots, and has 2 complex roots. Therefore, your answer is D.
Hope this helps!
<h3>
Answer: Ellipse</h3>
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Explanation:
Imagine that this plane was a saw blade, or a laser, that cut the cone. We would have two pieces and each piece would have a shape of an ellipse on them. The cutting plane would also have the same ellipse shape.
Or you think of the cutting plane as a flat piece of cloth. If we cut everything around the cone, then we would have an ellipse shaped hole as a result.
The reason why we get an ellipse and not a circle is because the plane is angled like that. It needs to be perfectly parallel to the circular base in order to get a circular cross section.
Hey there!
Firstly, we are going to divide by

on each of your sides because it paired off with a variable
Here's what I meant!

We would have to cancel out the:

because it gives us

Answer:

Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)