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Anna007 [38]
3 years ago
6

Solve the given system using matrices.

Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0

Answer:

X = 64/19

y equals -2/19

z =9/19

Step-by-step explanation:

its very hard to type in the explanation but I know the answer is right trust me I do a level maths

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Which expression has a value of 90?
ratelena [41]

Answer:

1. 73.2

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Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
What is the solution to the system? <br><br> (___,___)
Rina8888 [55]
For the first line we have a slope of (y2-y1)/(x2-x1)

(2--2)/(1--1)=4/2=2 so we have:

y=2x+b, now solve for b with either of the points, I'll use: (1,2)

2=2(1)+b

b=0 so the first line is:

y=2x

Now the second line:

(1-10)/(4--2)=-9/6=-3/2 so far then we have:

y=-3x/2+b, using point (4,1) we solve for b...

1=-3(4)/2+b

1=-6+b

b=7 so 

y=-3x/2+7 or more neatly...

y=(-3x+14)/2

...

The solution occurs when both the x and y coordinates for each are equal, so we can say y=y, and use our two line equations...

2x=(-3x+14)/2

4x=-3x+14

7x=14

x=2, and using y=2x we see that:

y=2(2)=4, so the solution occurs at the point:

(2,4)


6 0
3 years ago
Write an equation that gives the proportional relationship of the graph.A) y = 14xB) y = 3xC) y = 4xD) y = 12x
HACTEHA [7]

Answer:

D

Step-by-step explanation:

3 0
2 years ago
Can someone plz help me with this one?
DedPeter [7]
B is the answer to the question
5 0
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Brilliant_brown [7]

<4 = <6

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3 years ago
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