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3 years ago

What numbers do you multiply to get -8

Mathematics

2 answers:

Vanyuwa [196]3 years ago

7 0

2 multiplied by -4 and vice versa. 1 multiplied by -8 and vice versa. 1.6 multiplied by -5 or vice versa.

Kobotan [32]3 years ago

5 0

-4 x -2 The reason I got this answer is because 2 negatives make a positive.

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Write an equation in slope intercept form for the line that passes through (-1, -2) and (3, 4)

LenaWriter [7]

Answer:

The slope-intercept form of the line equation is:

$y=\:\frac{3}{2}x\:-\frac{1}{2}$

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

m is the slope

b is the y-intercept

Given the points

(-1, -2)

(3, 4)

Determining the slope between (-1, -2) and (3, 4)

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(-1,\:-2\right),\:\left(x_2,\:y_2\right)=\left(3,\:4\right)$

$m=\frac{4-\left(-2\right)}{3-\left(-1\right)}$

$m=\frac{3}{2}$

Thus, the slope of the line is:

m = 3/2

substituting m = 3/2 and the point (3, 4) in the slope-intercept form of the line equation

y = mx+b

$4=\frac{3}{2}\left(3\right)+b$

switch sides

$\frac{3}{2}\left(3\right)+b=4$

$\frac{9}{2}+b=4$

subtract 9/2 from both sides

$\frac{9}{2}+b-\frac{9}{2}=4-\frac{9}{2}$

$b=-\frac{1}{2}$

now substituting m = 3/2 and b = -1/2 in the slope-intercept form of the line equation

$y = mx+b$

$y=\:\frac{3}{2}x\:+\:\left(-\frac{1}{2}\right)$

$y=\:\frac{3}{2}x\:-\frac{1}{2}$

Therefore, the slope-intercept form of the line equation is:

$y=\:\frac{3}{2}x\:-\frac{1}{2}$

8 0

3 years ago

Index notation simplify 4^9 x 4^3

LenKa [72]

Answer:

$4^{12}$

Step-by-step explanation:

Using the rule of exponents

$a^{m}$ × $a^{n}$ = $a^{(m+n)}$ , then

$4^{9}$ × $4^{3}$ = $4^{(9+3)}$ = $4^{12}$

7 0

3 years ago

Which ordered pair is a solution to the inequality -2/3x-4y > 0

Eduardwww [97]

Answer:

The answer would be (-3,-1/2)

Step-by-step explanation:

7 0

3 years ago

A 12-sided sold has faces numbered 1 to 12. The table shows the results of rolling the solid 200

Nonamiya [84]

I think it has to be 20

3 0

3 years ago

Read 2 more answers

PLZ HELP 50 points and brainliest<br>6 + 3(6x - 2) = -12

Darya [45]

Answer: 6x +18x - 6= -12
24x - 6 = -12
+6= +6
24x = 6
X= 4

8 0

3 years ago