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PIT_PIT [208]
3 years ago
11

What is the slope of this table

Mathematics
2 answers:
Elden [556K]3 years ago
6 0

Answer:

3

Step-by-step explanation:

slope = (y2-y0)/(x2-x0)

Using pts (-4,-9), (3,12):

(12-(-9))/(3-(-4))= 21/7 = 3

rodikova [14]3 years ago
5 0
3x


What equation: y= 3x+3
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Can u write an expression that equals 40.Including an exponet.... please help me☺☺☺
vagabundo [1.1K]
(2^2) +36
could work
4 0
2 years ago
Read 2 more answers
Using Cramer’s Rule, what is the value of x in the system of linear equations below? x+3y=16 3x+y=8
alexdok [17]
Cramer's rule works as follows:
x+3y=16
3x+y=8
Then 
x=Dx/D
y=Dy/D
where Dx,Dy,D are 2x2 matrices formed from of coefficients and right hand side.
D=
1 3
3 1
=1-9=-8
Dx=matrix D with first column replaced by the vector [16,8]=
16,3
8 1
=16-24
=-8

Dy=matrix D with second column replaced by the vector [16,8]=
1 16
3 8
=8-48
=-40

Therefore
x=-8/-8=1
y=--40/-8=5

Check:
x+3y=1+3(5)=16
3x+y=3(1)+5=8   ok.
4 0
2 years ago
Which statements must be true?
Lorico [155]
Take a look at the picture and note that the same tick marks represent that they are congruent parts. 

A. UV is parallel to JL. Yes, this is correct. They are parallel because they don't intersect at any point.

B. UW = 12KL. This is incorrect. The truth is, UW = (1/2)(KL). If this is a typo error and there should've been a '/' in between 1 and 2, then this is acceptable.

C. UW = VW. As you can see, UKVW is a rectangle. They have two pairs of congruent sides. And UW≠VW, so this is incorrect.

D. UV = UK. The diagonal of a rectangle is never equal with one of its sides. So, this is incorrect.

E. JK = 2VW. Since VW=UK and we can see that twice the length of UK is equal to JK, then this is correct.
6 0
3 years ago
The marks obtained by 10 student in a test are as follows: 3,7,6,2,8,5,9,1,4 and 10. find the mean mark​
alekssr [168]

Answer:

5.5

Step-by-step explanation:

Mean:

The mean of a data set is commonly known as the average. You find the mean by taking the sum of all the data values and dividing that sum by the total number of data values. The formula for the mean of a population is

\mu = \frac{{\sum}x}{N}

The formula for the mean of a sample is

\bar{x} = \frac{{\sum}x}{n}

Both of these formulas use the same mathematical process: find the sum of the data values and divide by the total. For the data values entered above, the solution is:

\frac{55}{10} = 5.5

5 0
1 year ago
If the roots of an equation are x = 3±i, then the equation is x2+ ______
Georgia [21]

Answer:-(6+i)x+10+i3

Step-by-step explanation:

3 0
2 years ago
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