Mathematics: Write an equation to show that Y is directly proportional to x using the constant of proportionality given. Then solve for the unknown value. k = 3/11 and x = 9

Write an equation to show that Y is directly

Ответ:

gibbss80stu

02.02.2022

Mathematics

y = 2 $\frac{5}{11}$

Step-by-step explanation:

y ∝ kx

y = $\frac{3}{11}$ × 9 = $2\frac{5}{11}$

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Ответ:

keigleyhannah30

16.08.2020

Mathematics

Step-by-step explanation:

Seventy students hear the nurse speak, 37 heard the firefighter, and 63 heard the webmaster. Some students heard more than one speaker. The results are shown in the table:

Number of Students. . .Speaker

. . . . .15. . . . . . . . . .All three

. . . . .20. . . . . . . . . .nurse and firefighter

. . . . .30. . . . . . . . . .webmaster and nurse

. . . . .12. . . . . . . . . .firefighter only

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Write an equation to show that Y is directly proportional to x using the constant of proportionality given. Then solve for the unknown value. k = 3/11 and x = 9

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