3 years ago

Can you do c and d pla

Mathematics

1 answer:

Anna71 [15]3 years ago

7 0

Answer:

c) y = - 2 x +3

d) y = 1/2 x + 1

Step-by-step explanation:

For c) Look for the exression that contains "3" as the y-intercept (the "b" in the form y = m x + b)

The only equation is y = - 2 x +3

For d) try in all equations if replacing x with 2, gives you an answer "2" for y as well.

The only equation that does such is y = 1/2 x + 1

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Richard and Teo have a combined age of 37. Richard is 4 years older than twice Teo's age. How old are Richard and Teo?

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Step-by-step explanation:

Let R be the age of Richard and T be the age of Teo.

First set up the equations:

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Then, solve the equations:

Substitute (2) to (1) and solve for T:

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