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nadya68 [22]
10 months ago
12

19. The value of x varies directly with y, and 2 when x = z; y = 6. Find the value of y when x = 107 A. y = 9 B.y = 4 C. y = 93

D.y = 15

Mathematics
1 answer:
Svet_ta [14]10 months ago
3 0

Given data:

The first value of x is x=2/3.

The first value of y is y=6.

The expression y is directlly proportional to x is,

y=kx

Substitute 2/3 for x and 6 for y in the above expression.

\begin{gathered} 6=\frac{2}{3}k \\ k=9 \end{gathered}

The expression becomes y=9x

Substitute 10 1/3 for x in the above expression.

\begin{gathered} y=9(10\frac{1}{3}) \\ =9(\frac{31}{3}) \\ =93 \end{gathered}

Thus, the value of y is 93.

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Answer: Option A

50 minutes

Step-by-step explanation:

Observe in the diagram that the vertical axis represents the score obtained and the horizontal axis represents the study time.

To find out how many hours the person with a score of 81 studied, locate the point that is at a vertical distance of 81.

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3 years ago
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Answer:

365

Step-by-step explanation:

3+3=6+8=14-9=5+360=365                                                                                                                  

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                           66-6=60*6=360

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Luda [366]

Answer:

5x-4y+5=0.

Step-by-step explanation:

1) if the point A(-5;-5) and B(3;5), the formula is:

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or 5x-4y+5=0.

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