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Mandarinka [93]
3 years ago
13

Which statements are true the ordered pair (1, 2) and the system of equations? y=−2x+4 7x−2y=3 Select each correct answer.

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0
Y = -2x + 4
7x - 2y = 3

in these systems of equations, they give you a point (1, 2) which 1 is x and 2 is y so substitute these numbers instead of x and y to find if they are a solution to it.

y = -2x + 4        (1, 2)
2 = -2(1) + 4
2 = -2 + 4
2 = 2         so this is true.

7x - 2y = 3        (1, 2)
7(1) - 2(2) = 3
7 - 4 = 3
3 = 3         so this is true.

the answer is B and C and F.

hope this helps, God bless!
Brilliant_brown [7]3 years ago
4 0
<span>When (1, 2) is substituted into the first equation, the equation is true.

</span><span>The ordered pair (1, 2) is not a solution to the system of linear equations.</span>
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your current wardrobe consists of eleven different items: three pairs of shoes, two pairs of pants, and six different shirts. yo
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<u>A </u><u>pair of shoes</u><u> gives us</u><u> 48 </u><u>different outfits.</u>

What is a linear equation?

  • A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included.
  • The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables." from Wolfram MathWorld: linear

We will employ the basic counting principle, which states that if one task can be completed in method A and another in way B, then both tasks may be completed in way A*B.

If mom buys 1 shirt, then total shirts(A) = 6+1 =7, total pants(B) = 2 and total shoes (C) = 3

By basic counting principle, number of outfits = A*B*C = 7*2*3 = 42 outfits possible

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If mom buys 1 pair of shoes, then total shirts(A) = 6, total pants(B) = 2 and total shoes (C) = 3+1 = 4

By basic counting principle, number of outfits = A*B*C = 6*2*4 = 48 outfits possible

hence, buying a pair of shoes gives us 48 different outfits.

Learn more about linear equation

brainly.com/question/11897796

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