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3 years ago

How are key features of a linear function identified and interpreted from an equation?

1 answer:

swat323 years ago

4 0

An increasing linear function results in a graph that slants upward from left to right and has a positive slope. A decreasing linear function results in a graph that slants downward from left to right and has a negative slope. A constant linear function results in a graph that is a horizontal line.

<h3>- BRAINLIEST answerer</h3>

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The average value of two positive numbers is 30% less than one of the two numbers. By which percentage is average value bigger t

Viefleur [7K]

Answer:

75% bigger

Step-by-step explanation:

Let the first number be x and the second be y.

So:

$Average = \frac{x + y}{2}$

And:

$Average = (1 - 30\%) * x$ -----30% less than x

Substitute $Average = (1 - 30\%) * x$ in $Average = \frac{x + y}{2}$

$\frac{x + y}{2} = (1 - 30\%) * x$

$\frac{x + y}{2} = (1 - 0.30) * x$

$\frac{x + y}{2} = 0.70 * x$

$\frac{x + y}{2} = 0.70x$

Cross multiply

$x + y = 0.70x * 2$

$x + y = 1.40x$

Collect like terms

$1.40x - x = y$

$0.40x = y$

Make x the subject

$x = \frac{y}{0.40}$

$x = 2.50y$

So, the average is:

$Average = (1 - 30\%) * x$

$Average = (1 - 30\%) * 2.50y$

$Average =0.70 * 2.50y$

$Average =1.75y$

Rewrite as:

$Average =(1 + 0.75)y$

Express as percentage

$Average =(1 + 75\%)y$

This means that the average is 75% bigger than the second number

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2 years ago

What is the length of the base of a yield sign that has a height of 14 inches and has an area of 84 square inches? Write the num

Rufina [12.5K]

That's simple, it is 6. Hope this helps.

4 0

3 years ago

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Prove or disprove that the point lies on the circle centered at the origin

tigry1 [53]

Answer:

Step-by-step explanation:

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1 year ago

Factor out the coefficient of the variable 1.7j-3.4

Ad libitum [116K]

Here you would factor out a 1.7 because that is the coefficient in front of the j. When you factor, you are essentially dividing each term by the value you are factoring out
1.7j/1.7=j
-3.4/1.7=-2

So the final answer is 1/7(j-2)

Hope this helps<span />

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3 years ago

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Help me with this test in math please!! (questions in images)

irga5000 [103]

Answer:

Step-by-step explanation:

There is no slope because it is a strait vertical line.

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2 years ago

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