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N76 [4]
2 years ago
8

The gradient of the line y = x+3y=9​

Mathematics
1 answer:
Karolina [17]2 years ago
4 0

Answer:

change the expression to y

Step-by-step explanation:

x + 3y = 9

3y =  - x + 9

y =  \frac{ - 1}{3} x +  \frac{9}{3}

the gradient is the coefficient of x,

-  \frac{1}{3}

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Step-by-step explanation:

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Find the slope A) - 1/3 B) -3 C) 1/3 D) 3
Eddi Din [679]
Answer: Choice C) 1/3

------------------------------------------------

Explanation:

Two points on this line are (0,2) and (3,3)
Let (x1,y1) = (0,2) and (x2,y2) = (3,3)
We can use the slope formula to get

m = (y2 - y1)/(x2 - x1)
m = (3 - 2)/(3 - 0)
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which is why the answer is choice C. The slope of 1/3 means that each time you rise 1 unit, you run 3 units to the right. In other words,

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5 0
2 years ago
Please anything helps
lisov135 [29]

Answer:

D- Neither graph is a funvtion.

Step-by-step explanation:

A function can only have one input to one output.  These have more than one output for each input.  You can also do the vertical line test, if it touches more than two points at the same time while going horizontally across, it is not a function.

3 0
2 years ago
1. A local fast food restaurant takes in $10,000 in a 5 hour lunch period. Write a
Leto [7]

Answer:

8hours

Step-by-step explanation:

10000÷5=2000

so the restaurant earns 2000$ per hour

8×2000=16000

8hours=16000$

Hope that helped

6 0
2 years ago
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