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FinnZ [79.3K]
3 years ago
10

Need help with this linear algebra problem

Mathematics
1 answer:
kap26 [50]3 years ago
4 0

You should have

L(t)=\begin{bmatrix}1\\1\end{bmatrix}+t\begin{bmatrix}2\\-3\end{bmatrix}

\mathbf v on its own points to the point (2, -3) and lies on the line through this point and the origin. We capture all points on this line by scaling \mathbf v by t. Then we add to t\mathbf v another vector that points to P(1, 1), which shifts the endpoint of all vectors on the line t\mathbf v to the line through P that runs parallel to t\mathbf v.

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Find the probability of winning a lottery by selecting the correct six integers where the order in which these integers are sele
insens350 [35]
There are C(30, 6) = 30!/(6!*(30-6)!) = 593,775 ways to pick 6 numbers from the first 30 positive integers.

The probabilty of matching 6 randomly chosen integers is 1/593,775.
7 0
3 years ago
Find x Mean = 12 {18, 15, 18, 3, 3, 19, 12, x}
allsm [11]

Answer:

x = 8

Step-by-step explanation:

The mean is the average of the population.

Multiplying the mean by 8 terms will get you the total sum.

12 * 8 = 96

Subtracting all the values from the total sum should get you x.

96 - 18 - 15 - 18 - 3 - 3 - 19 - 12 = 8

8 0
2 years ago
Can someone please help me with this
lozanna [386]
Answer is x = 98
See picture attached. First I finished the transversal line across the parallel lines. Then I used opposite interior angle theorem to find the 144 deg. Angle. Then I found the 36 degree angle in the triangle (180-144=36). Then I found the third angle in the triangle using the 180 degree supplementary angle theorem again, all three add up to 180, so 180-62-36= 82. Vertical angles are congruent so the opposite angle of 82 is also 82. Then I could find “x” using the 180 degree supplementary angle theorem again. 180-82= 98. Problem solved.

7 0
2 years ago
Identify the quadratic equation with -1/3 and -1 as its roots.
horsena [70]

Answer:

x^2+(4/3)x+1/3

Step-by-step explanation:

In order to find the quadratic equation, you put the roots in this format:

(x-a)(x-b)=0

(x-(-1/3))(x-(-1))=0

(x+1/3)(x+1)=0

Then you would solve:

x^2+x+(1/3)x+1/3

= x^2+(4/3)x+1/3

Hope this helps!

6 0
2 years ago
Select the correct product of the exponential expression 4 ^ 5
miv72 [106K]

Answer:

the answer is 1024

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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