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34kurt
3 years ago
15

What is the slope.of (-3,1) and (2,-2)​

Mathematics
1 answer:
mote1985 [20]3 years ago
8 0

Answer:

3/5

Step-by-step explanation:

m=3/5

slope---3/5

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Which matrix represents the system of equations shown below? 2x-y=-6 and x-6y=13​
dezoksy [38]

Answer: D

<u>Step-by-step explanation:</u>

The first matrix contains the coefficients of the x- and y- values for both equations (top row is the top equation and the bottom row is the bottom equation. The second matrix contains what each equation is equal to.

\begin{array}{c}2x-y\\x-6y\end{array}\qquad \rightarrow \qquad \left[\begin{array}{cc}2&-1\\1&-6\end{array}\right] \\\\\\\begin{array}{c}-6\\13\end{array}\qquad \rightarrow \qquad \left[\begin{array}{c}-6\\13\end{array}\right]

The product will result in the solution for the x- and y-values of the system.

6 0
3 years ago
The difference of 4 times a number and 15 is -16. Find the number.
hichkok12 [17]

Answer:

-1/4

Step-by-step explanation:

4x - 15 = -16

4x = -1

x = -1/4

5 0
3 years ago
If Marlene can type 157 words per minute how many words can she type in 25 minute
Nitella [24]

Answer:

3925

Step-by-step explanation:

25x

25*157

5 0
2 years ago
Pls pls help!! there's 3 images.<br> I WILL MARK YOU BRAINLIEST IF U GET IT RIGHT
Damm [24]

Answer:

im not sure about the 1st one but sec one is 162 i think and im  i dont know the last eaither srry  

Step-by-step explanation:

6 0
3 years ago
Based on Pythagorean identities, which equation is true? sine squared theta minus 1 = cosine squared theta secant squared theta
Naddik [55]

Answer:

Cot^2\theta-Csc^2\theta=-1

Step-by-step explanation:

The only Pythagorean identities are:

1. \ Sin^2\theta+Cos^2\theta=1

2. \ 1+Tan^2\theta=Sec^2\theta

3. \ 1+Cot^2\theta=Csc^2\theta

4. \ Sin^2\theta=1-Cos^2\theta\\  \ \ Cos^2\theta=1-Sin^2\theta

 

Therefore,Cot^2\theta-Csc^2\theta=-1 is correct as it's one of the pythagorean identities.

4 0
3 years ago
Read 2 more answers
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