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1 year ago

I need to know the of the blue line

Mathematics

1 answer:

8_murik_8 [283]1 year ago

8 0

Step-by-step explanation:

if i pick (3,4) and (6,10)

the formula for gradient is difference in y divided by difference in x . therefore

10-4 divided by 6 - 3 equals to 6 divided by 3 = 2

the gradient is 2

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3 years ago

Four times one number minus three times another number is 12. Two times the first number added to three times to the second numb

SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

x = first number, y = second number

4x - 3y = 12

2x + 3y = 6

------------------add

6x = 18

x = 18/6

x = 3

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solution : (3,0)

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2 years ago

At a gas station the price of gas is $2.40 a gallon. Draw a graph to represent the relationship between the cost of gas and the

aivan3 [116]

Answer:

Part A) The graph in the attached figure

Part B) $y=2.40x$

Step-by-step explanation:

Let

y------> the price of gas

x-----> the volume of gas purchase

we know that

The relationship between the cost of gas and the volume purchase represent a direct variation and remember that a relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y=kx$