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Wewaii [24]
3 years ago
12

Which matrix translates the vector 〈4,-3〉 to 〈6,-8〉?

Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0

Answer:

2, -5

Step-by-step explanation:

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No idea how to do this equation. Its applying system's of linear equations.
icang [17]
What you want to do is take one of the 2 equations and isolate one variable. you will then use the value that you find for the variable and plug it back into the other equation. here is how:

This would be easiest to do with the second equation in the set since the x is not being multiplied by anything. So lets isolate the x in the second equation.

add 0.9y to both sides and you get:

x=4.5+0.9y

we now know what x is equal to in terms of y. so lets replace the x in the first equation with the new value. You get:

1.5(4.5+0.9y)-1.9y=-29

Now just solve for y:
6.75+1.35y-1.9y=-29
1.35y-1.9y=-35.75
-0.55y=-35.75
y=65

so now you know that y=65 so plug 65 in as y in the second equation to find x

x-0.9*65=4.5

Now simply solve for x

x-(-58.5)=4.5
x+58.5=4.5
x=-54

Hope this helped! :)



3 0
3 years ago
How do I know if two ratios are equal to make a proportion
AfilCa [17]
One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional. 
3 0
3 years ago
Um i need help with this.
blsea [12.9K]

Answer:

None of these!

Step-by-step explanation:

x + y + z = x + y + z only over here

5 0
3 years ago
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Refer to the figure to complete the proportion A/C = Y/?
salantis [7]
Hello,
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3 years ago
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Answer:

3. 18 + 18 + 7 + 7 = 50

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Step-by-step explanation:

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