3 years ago

Solve the system of linear equations by elimination. 4x+3y=−5 −x+3y=−10

Mathematics

1 answer:

Mrrafil [7]3 years ago

5 0

Point form: (1,-3)
Equation form: x=1, y=-3

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Mike got a 45% discount when he bought a new jacket. Which of the following is NOT equivalent to 45%?

MariettaO [177]

Answer:

4/5 is NOT equivalent to 45%

Step-by-step explanation:

4/5 = 80%

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2 years ago

What is the value of the expression i To the power of 1 times I to the power of 2 times I to the power of 3 times I to the power

nalin [4]

Answer:

-1

Step-by-step explanation:

$i^1\cdot i^2\cdot i^3\cdot i^4= \\\\i^{1+2+3+4}= \\\\i^{10}= \\\\-1$

Hope this helps!

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3 years ago

How do you factor this?

lubasha [3.4K]

Answer:

Step-by-step explanation:

What two numbers multiply to equal -48, but add to equal -2? The method is multiplying a*c and seeing if they add up to b. Those two numbers are -8 and +6.

$6x^2-2x-8=6x^2-8x+6x-8$

Now, factor by grouping

$(6x^2-8x)+(6x-8)=2x(3x-4)+2(3x-4)\\(2x+2)(3x-4)$

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2 years ago

Please can you help me with this because I had to post twice

steposvetlana [31]

Answer:

y=11

Step-by-step explanation:

3y=y+22

3y-y=y-y+22

2y=22

y=11

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2 years ago

How do I solve this: -3x+2y=2<br> 5x-2y=-10

Dvinal [7]

Answer:

Step-by-step explanation:

Solution is given below in attachment

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3 years ago