3 years ago

What is the slope of this line?

Mathematics

2 answers:

luda_lava [24]3 years ago

4 0

The answer would be 2.

omeli [17]3 years ago

3 0

Answer:

Step-by-step explanation:

y=2x+1

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The graph of a proportional relationship passes through the point (6, 21). What is the equation for the relationship?

Kipish [7]

Answer:

The equation for the relationship is $y = \frac{7}{2}\cdot x$ .

Step-by-step explanation:

Given that point $(x,y) = (6, 21)$ is part of a direct relationship. That is:

$y \propto x$

$y = k\cdot x$ (1)

Where $k$ is the proportionality constant.

If we know that $x = 6$ and $y = 21$ , then the proportionality constant is:

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

$k = \frac{21}{6}$

$k = \frac{7}{2}$

Lastly, the equation for the relationship is $y = \frac{7}{2}\cdot x$ .

7 0

3 years ago

which is the rationalized form of the expression the square root of x divided by the square root of x +the square root of 7

Ilya [14]

Answer:

I assume your goal is to rationalize the denominator -

So you need to multiply the denominator by its conjugate.

So we have:

$\frac{\sqrt{x} }{\sqrt{x}-\sqrt{7} } *\frac{\sqrt{x} +\sqrt{7} }{\sqrt{x} +\sqrt{7}}$

$\frac{x-\sqrt{7}\sqrt{x} }{x-7}$

8 0

3 years ago

10 hours to 6 hours percent of change

Novay_Z [31]

60%

I pretty sure this is right

4 0

3 years ago

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a fastest man in the world can run 100 meters in 9 seconds. how far can he run in 1 minute and 2 seconds

STALIN [3.7K]

Answer:

650-700 meters

Step-by-step explanation:

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3 years ago

I just need help for 3 questions!

Hoochie [10]

4.1x+29
5(m-100)
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4 years ago