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MatroZZZ [7]
4 years ago
6

What is the solution to the following system of equations? 3x-2y=12 and 6x-4y=24

Mathematics
1 answer:
Tems11 [23]4 years ago
6 0
Multiplying the first equation by -2 results in -6x + 4y = -24.
Adding this result to the second equation:

<span>6x-4y=24
</span>-6x + 4y = -24
------------------
           0  = 0

There are an infinite number of solutions, since the 2 given equations represent collinear lines.
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a principal orders 8 sub sandwiches for a teachers meeting. she cuts the subs into thirds and puts the mimi sub onto a tray how
lukranit [14]
1 sub is divided into thirds, so there are now 3 parts to each sub. Multiply the three parts per sub by the total number of subs purchased.

Find # Parts Per Sub
= 1 sub ÷ 1/3
multiply by the reciprocal of 1/3
= 1 * 3/1
= 3 parts per sub

Find Total Parts
= 8 subs * 3 parts per sub
= 24 mini subs

ANSWER: 24 mini subs

Hope this helps! :)
6 0
3 years ago
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What is the value of -2(x + 5)?<br> A. x + 10<br> B. x - 10<br> C. -2x - 2<br> D. -2x - 10​
umka21 [38]

Answer:

D

Step-by-step explanation:

Use the distributive property to multiply both x and 5 by -2:

-2(x + 5) = -2x - 10

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3 years ago
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A line passes through the points (4,9) and (12,20) what is the slope of the line?
ad-work [718]
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The slope of the line is 11/9
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