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JulijaS [17]
3 years ago
7

Find x and y values that make both y = 2x – 5 Y=-2/3x+ 3 true.

Mathematics
2 answers:
Marysya12 [62]3 years ago
3 0
Set the equations equal to each other since the x will be the same. Get like terms on the same side and solve.

2x-5=-2/3x+3
2x-5+5=-2/3x+3+5
2x=-2/3x+8
2x+2/3x=-2/3x+2/3x+8
2 2/3x=8
8/3x=8
(3/8)8/3x=8(3/8)
x=3

x=3
Zinaida [17]3 years ago
3 0

Answer:

See below ↓

Step-by-step explanation:

Let's find the x and y values.

<u>Step 1 : Equate the y expressions.</u>

  • The two equations have given different values for y
  • Therefore by equating them, we can solve for x
  • 2x - 5 = -2/3x + 3

<u>Step 2 : Convert fractions in the equation to whole numbers.</u>

  • The value -2/3 is a fraction
  • We can make it a whole number if multiply throughout by the value of its denominator ⇒ 3
  • 3(2x - 5) = 3(-2/3x + 3)
  • 6x - 15 = -2x + 9

<u>Step 3 : Bring x terms to one side and constant terms to the other.</u>

  • 6x + 2x = 9 + 15
  • 8x = 24
  • <u>x = 3</u>

<u></u>

<u>Step 4 : Solve for y by plugging the value of x into one of the given equations.</u>

  • y = 2(3) - 5
  • y = 6 - 5
  • <u>y = 1</u>
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3 years ago
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Determine if the sides form a right triangle.
Law Incorporation [45]

Answer:

Yes, it's a right-angle triangle

Step-by-step explanation:

3 root 2 is 4.24

3 root 3 is 5.2

3 root 5 is 6.71

3 root 5 is the longest side, so must be the hypotenuse.

a^2 + b^2 = c^2

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Hope this helps!

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2 years ago
Which function has real zeros at x = –8 and x = 5?
Tcecarenko [31]

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option B is the answer . thank me later , you guys are lame

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Please help me fill in the blanks :) marking most Brainly
Gala2k [10]

Answer:

For the part that contains organic matter your answer is, 35 negative result

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Step-by-step explanation:

If we pay attention to the part that contains organic matter the total amount 700 and 665 is positive, so subtract them 700-665 to get 35 negative result

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