Mathematics: This is really easy but I keep getting it wrong

This is really easy but I keep getting it wrong

Ответ:

djs1671

16.03.2022

0.79 it is on the ninth line between 1/7 and 1/8 so it is greater than 0.7, but less then 0.8. If you count the lines from 0.7 it gives you nine so it is 0.79 (79 thousandths)

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Ответ:

cece4874

16.10.2020

Mathematics

We can solve these equations by using substitution method where you substitute one equation to the other and solve for the value of the other variable. We do as follows:

y = 2x^2
y = –3x −1

2x^2 = –3x −1
2x^2 +3x +1 = 0

x1= -0.5
x2 = -1
y1 = 0.5
y2 = 2

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This is really easy but I keep getting it wrong

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