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shelly74
13.01.2021 •
Mathematics
I really need help please
Solved
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Ответ:
C
Step-by-step explanation:
slope = goes down 1 over 2
y-intercept = on the graph going down y the point lies on 2
giving you a slope.of -1/2 and y-intercept of 2 meaning the equation is y = -1/2x + 2
Ответ:
x=4/7
Step-by-step explanation:
Change mixed fractions to improper fractions
2 1/4 = 9/4
1 2/7 =9/7
Therefore, we have
9/4=9/7÷x
9/7÷x is 9/7×1/x=9/7x
Then, we have
9/4=9/7x
Cross multipy
9×7x=9×4
63x=36
Make x the subject of the formula, we have
x=36/63
x=4/7