3 years ago

Is 2x+4-x linear or non linear?

1 answer:

6 0

Answer:

To determine if an equation is a linear function, it must have the form y = mx + b (in which m is the slope and b is the y-intercept). A nonlinear function will not match this form.

So it is linear.

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You know that 15% of a number n is 12. How can you use this to find 30% of n? 45% of n? Explain.

Keith_Richards [23]

30% is 24
45% is 36
take 15% and multiply it by however much it takes to make the percentage than multiply that by 12

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3 years ago

Shereen drew a scale drawing of a house and its lot. The scale she used was 2 inches : 1 foot. The house's driveway is 64 inches

Aleks [24]

The answer is 32 feet

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3 years ago

Bobby knows that the perimeter of the original rectangular is 120 meters he also knows that the perimeter of the reduced rectang

andrey2020 [161]

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sergejj [24]

Answer:

The gradient of the graph below is $\mathbf{\frac{3}{2} }$

Step-by-step explanation:

We need to calculate the gradient of the graph

The gradient of graph is actually slope of the graph.

The slope of graph can be calculated using formula: $Slope=\frac{y_2-y_1}{x_2-x_1}$

Taking any 2 points on graph i.e

(1,0) and (-1,-3)

We have $x_1=1, y_1=0, x_2=-1,y_2=-3$

Putting values and finding gradient:

$Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{-3-0}{-1-1}\\Slope=\frac{-3}{-2}\\Slope=\frac{3}{2}$

So, The gradient of the graph below is $\mathbf{\frac{3}{2} }$

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3 years ago

Arie has $46 in his account and is saving $8.50 each week. Olga has $14 in her savings account and is saving $12.50 each week. A

erik [133]

Answer:

5 weeks until they have the same

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3 years ago