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kaheart [24]
3 years ago
5

What is the midpoint of CD?

Mathematics
1 answer:
Otrada [13]3 years ago
8 0

Answer:

The endpoints of the line segment CD are:

$$C=(x_1,y_1)= (-4, 8) \\ D= (x_2,y_2)= (8, -4) $$

We find the midpoint using th

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Which company offers the best deal? Explain your answer
BaLLatris [955]
The company that offers the best deal in my point of view is Cellphones usually they are old so they are going in less price. I think that is what you mean
6 0
3 years ago
Please help asap show work and dont put links
matrenka [14]

Answer:

a. 41

b. -31

c. 25/3, no

Step-by-step explanation:

when it says find f(14) the number inside the parenthesis is x, so you just plug that number into the equation which in this case is 3x-1. for c it says find the input if the output is 24. so basically the output is f(x) or y and the input is x. so 3x-1 = 24.

5 0
3 years ago
The Nashville Humane Society records the weights of 250 cats that are taken in during the month of July. The mean weight of the
skelet666 [1.2K]

Answer: D

Step-by-step explanation:

1875/250

= 7.5

total combined weight/amount of cats

= mean

7 0
3 years ago
Read 2 more answers
Question 2 - Signal and System Properties. State whether each of the statements is true or false. Note that a statement is true
gregori [183]

Answer:

  (a) true

  (b) true

  (c) false; {y = x, t < 1; y = 2x, t ≥ 1}

  (d) false; y = 200x for .005 < |x| < 1

Step-by-step explanation:

(a)  "s(t) is periodic with period T" means s(t) = s(t+nT) for any integer n. Since values of n may be of the form n = 2m for any integer m, then this also means ...

  s(t) = s(t +2mt) = s(t +m(2T)) . . . for any integer m

This equation matches the form of a function periodic with period 2T.

__

(b) A system being linear means the output for the sum of two inputs is the sum of the outputs from the separate inputs:

  s(a) +s(b) = s(a+b) . . . . definition of linear function

Then if a=b, you have

  2s(a) = s(2a)

__

(c) The output from a time-shifted input will only be the time-shifted output of the unshifted input if the system is time-invariant. The problem conditions here don't require that. A system can be "linear continuous time" and still be time-varying.

__

(d) A restriction on an input magnitude does not mean the same restriction applies to the output magnitude. The system may have gain, for example.

6 0
4 years ago
 Which of the following equations describes a relationship of inverse variation between input and output?
gregori [183]
<span>The <u>correct answer</u> is:

A) Output = Constant/Input.

Explanation<span>:

Inverse proportion is also called inverse variation. In inverse variation, as one variable increases, the other decreases, but their product stays the same. 

Algebraically their product would be represented by the equation
xy=k.

To isolate the output, y, we would divide both sides by x:
xy/x = k/x
y=k/x

In this equation, y is the output, x is the input, and k is called the constant of proportionality.

 Based on this, the correct choice is output = constant/input.</span></span>
6 0
4 years ago
Read 2 more answers
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