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3 years ago

What is the slope.of (-3,1) and (2,-2)

Mathematics

1 answer:

mote1985 [20]3 years ago

8 0

Answer:

3/5

Step-by-step explanation:

m=3/5

slope---3/5

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klemol [59]

C) bigger;2 is the answer

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4 years ago

6x^2-9x +2=0 solve the quadratic equation using the quadratic formula

balu736 [363]

<u>ANSWER: </u>

The roots of $6 x^{2}-9 x+2=0$ are $\frac{9+\sqrt{33}}{4}, \frac{9-\sqrt{33}}{4}$

<u>SOLUTION:</u>

Given, quadratic equation is $6 x^{2}-9 x+2=0$ --- eqn (1)

We need to find the roots of given quadratic equation using quadratic formula.

Quadratic formula for general quadratic equation $a x^{2}+b x+c=0$ is $X=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here, for eqn (1) a = 6, b= -9 and c = 2

$X=\frac{-(-9) \pm \sqrt{(-9)^{2}-4 \times6 \times 2}}{2 x 2}$

$X=\frac{9 \pm \sqrt{81-48}}{4}$

$\begin{array}{l}{X=\frac{9 \pm \sqrt{33}}{4}} \\ {X=\frac{9+\sqrt{33}}{4}, \frac{9-\sqrt{33}}{4}}\end{array}$

Hence the roots of $6 x^{2}-9 x+2=0$ are $\frac{9+\sqrt{33}}{4}, \frac{9-\sqrt{33}}{4}$

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3 years ago

What is fourteenths and seven tenths in exponential form

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3 years ago

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Kisachek [45]

Answer:

100489

Step-by-step explanation:

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3 years ago

two painters are working together and can paint a house in 3 hours. One painter alone can paint the same house in 8 hours. How m

Katyanochek1 [597]

For this case, the first thing we must do is define a variable.
We have then:
x: number of hours it takes the second painter to paint the house working alone.
We have then that the equation that models the problem is:
$\frac{1}{x} + \frac{1}{8} = \frac{1}{3}$
From here, we clear the value of x.
We have then:
$\frac{8x}{x} + \frac{8x}{8} = \frac{8x}{3}$
$8 + x = \frac{8x}{3}$
$24 + 3x = 8x$
$24 = 8x-3x

24 = 5x

$
$x = \frac{24}{5}$
$x = 4.8
$
Answer:
It would take the second painter to paint the house by himself about 4.8 hours.

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3 years ago

What is the slope.of (-3,1) and (2,-2)​

What is the slope.of (-3,1) and (2,-2)