2 years ago

Rewrite the division as a multiplication 2c + 73 9

Mathematics

1 answer:

kvv77 [185]2 years ago

5 0

Isn't that addition?

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Here are two steps from the derivation of the quadratic formula,

BaLLatris [955]

Answer:

Step-by-step explanation:

Taking the square root of both sides.

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2 years ago

in a proportional relationship the ratio y/x is constant. Show that this ratio is not constant for the equation y=a-14

Colt1911 [192]

To show that the ratio $\frac{y}{x}$ is not constant for the function $y=a-14$ we only need to evaluate this function at 2 points and then show that the ratio is not the same for those two points. Note that here $a$ represents $x$ .

To find the counter examples here, I will use the values $a=20$ and $a=28$ . For $a = 20$ , the equation tells us that the output is

$y=20-14=6$ . For this value of $a$ the point is point is $(20,6)$ . The ratio $\frac{y}{x} =\frac{6}{20}$ . For the $a=28$ , $y=28-14=14$ . For this value of $a$ the point is $(28,14)$ . The ratio $\frac{y}{x} =\frac{14}{28} =\frac{1}{2}$ . Clearly this ratio is not constant for all ordered pairs.

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2 years ago

What is the slope of this line?

OLga [1]

The slope of this line is -2.

rise/run

rise = 4
run = -2

4
------- = -2
-2

Using the points (1,0) & (0,2)

2 - 0 2
----------- = ----- = -2
0 - 1 -1

6 0

3 years ago

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Write the equation of the line that includes the point (1,5) and has a slope of 3 in standard form.

Ymorist [56]

Answer:

-3x + y = 2

Step-by-step explanation:

The slope is 3. So the coefficient of x is 3.

when x = 1, y = 5.

So 3*1 + c = 5

So c is 2.

So y = 3x + 2

Therefore, taking 3x to the LHS, we get,

-3x + y = 2

Hope it helps ;)

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3 years ago

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Which three lengths could be the lengths of the sides of a triangle?

Montano1993 [528]

C. 7 cm by 7 cm by 43 cm

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2 years ago