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Anon25 [30]
3 years ago
10

Determine the ordered pair that satisfies the equation, -5x + 3y = 7.

Mathematics
1 answer:
sammy [17]3 years ago
3 0

Answer:

C) (7 , 14)

Step-by-step explanation:

Substitute each ordered pair into the equation

-5x + 3y = 7.

A) (2 , -1)

-5(2) +3(1) = -10 +3 = -7  this does not equal 7  so not true

B) (-5 , 3)

-5(-5) +3(3) = 25 +9 = 34  this does not equal 7 so not true

C) (7 , 14)

-5(7) + 3(14) = -35 + 42 = 7  this equals 7 so true

D) (-2 ,−135)

-5(-2) + 3(-135) =10+405 =415  this does not equal 7 so not true

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Answer:

5/3

Step-by-step explanation:

To find the slope we pick one set of points

2/3,-1/2

Set your equation up like this

y2-y1/x2-x1

Plug in and subtract(notice the negative)

And we get 5/3

Hope this helps

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Dennis_Churaev [7]

Step-by-step explanation:

collect the like terms 12x+4=9x+8

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ch4aika [34]
█ Explanation <span>█

The different ways I could buy the cookies include ...

</span><span>✦ 2 eighteen packs 
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Murrr4er [49]

Hey there mate ;), I'm Benjemin.

Nice to meet you.

Now let's solve your question :)

<u>Step</u><u> </u><u>1</u><u>:</u><u>-</u> Re-draw the triangle. Check the attached first image.

<u>Step</u><u> </u><u>2:-</u> Considering the triangle ABC, it can be seen that the triangle is isosceles. This means that angles ABC and ACB are equal. To get the value of X,

110 + x + x = 180 \\  =  > 110 + 2x = 180 \\  =  > 2x = 108 - 110 \\   =  > 2x = 70 \\  =  > x =  \frac{70}{2} \\  =  > x = 35

<u>Step</u><u> </u><u>3</u><u>:</u><u>-</u> Draw another part of the picture to find the other X, for it, check second attached image.

To get BCD, Using alternate angles theorem,

ABC = BCD <em>(Alternate angles are equal)</em>

<em>=</em><em>></em><em> </em><em> </em>ABC = 35°

=> x = BCD = 35°

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