3 years ago

How to name a ray 3 different ways?

1 answer:

5 0

1)A ray has one endpoint and extends indefinitely in one direction.
2)A pair of opposite rays are two rays that have the same endpoint and extend in opposite directions.
3)Rays are always named with two points and the first point in the name must be the endpoint.

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For all functions of the form f(x) = ax2 + bx + c, which is true when b = 0?

Klio2033 [76]

When b=0
f(x)=ax^2+c

test each
A. with x^2-1, A is false
B. with -x^2-1, B is false
C. cannot find contradiction
D. the axis is actually x=0, 0 is nithere positive nor negative, false

answer is C

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3 years ago

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What is the value of g(-4)? HINT: It's not A. A. -1 B. 27 C. -5 D. 1

GalinKa [24]

Answer: C
I hope this helps

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3 years ago

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What is the radius of a sphere if its surface area is 2,122.64 square inches? (Use 3.14 for .)

Lady_Fox [76]

$\bf \textit{surface area of a sphere}\\\\
SA=4\pi r^2~~
\begin{cases}
r=radius\\
------\\
SA=2122.64
\end{cases}\implies 2122.64=4\pi r^2
\\\\\\
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3 years ago

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The formula to determine the period of one swing of a simple pendulum is

Sonbull [250]

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Step-by-step explanation:

I don't no

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3 years ago

For the formula F = 95K – 455.67, what is the value of K when F = 0?

Inessa [10]

Answer:

K = 4.8

Step-by-step explanation:

Equation Solving

We are given the equation:

F = 95K - 455.67

We are required to find the value of K when F=0:

95K - 455.67 = 0

Adding 455.67:

95K = 455.67

Dividing by 95;

K = 4.8

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3 years ago