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Anit [1.1K]
4 years ago
6

What is the slope of the line that passes through (-2, 7) and (4, 9)?

Mathematics
2 answers:
Bond [772]4 years ago
7 0

\bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{7})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{9}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{9-7}{4-(-2)}\implies \cfrac{9-7}{4+2}\implies \cfrac{2}{6}\implies \cfrac{1}{3}

kotegsom [21]4 years ago
7 0

Answer:

1/3

Step-by-step explanation:

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What is 4x3x4x9 squared
Anni [7]

Answer:

186,624 I think

Step-by-step explanation:

4*3=12

12*4=48

48*9=432

432^{2}= 186,624!

8 0
3 years ago
Pls help ASAP just number 11 and show work
AURORKA [14]

Answer:

Length of route that passes the mall= 11 miles

Length of route that passes the theater= 13 miles

Step-by-step explanation:

route to school that passes the mall (highlighted in red)

= (x +1) +(x +2)

= 2x +3

route to school that passes the theater (in yellow)

= (2x +1) +x

= 3x +1

Since the first is 2 miles shorter,

2x +3= 3x +1 -2

Simplify:

2x +3= 3x -1

Bring constants to 1 side, x terms to the other:

3x -2x= 3 +1

x= 4

Substitute x=4 to find the length of each route:

Length of the route that passes the mall

= 2x +3

= 2(4) +3

= 8 +3

= 11 miles

Length of route that passes the theater

= 3x +1

= 3(4) +1

= 12 +1

= 13 miles

Alternatively, length of route that passes the theater

= 11 +2= 13 miles since it is 2 miles longer than that which passes the mall.

4 0
3 years ago
Write the equation of the line that passes
Vinvika [58]

Answer:

The slope is -4.

Step-by-step explanation:

Slope formula:

\displaystyle \frac{y_2-y_1}{x_2-x_1}=\frac{rise}{run}

\displaystyle \frac{(-9)-(-5)}{1-0}=\frac{-4}{1}=-4

Therefore, the slope is -4, and the correct answer is -4.

Hope this helps!

8 0
3 years ago
Read 2 more answers
What is the answer for (-7) - (-4)?​
mina [271]

Answer:

- 3

Step-by-step explanation:

Note that - (-) = +

Given

- 7 - (- 4)

= - 7 + 4

= - 3

7 0
3 years ago
Read 2 more answers
Which of the following expressions is equal to -3x^2-12??!!! please help him
Andreyy89

Answer:

-3 ( x+2i) (x-2i)

Step-by-step explanation:

-3x^2-12

Factor out a -3

-3(x^2 +4)

Rewrite

-3 ( x^2 - -4)

-3 ( x^2 - (-2i)^2)  This is the difference of squares ( a^2 -b^2 ) = (a-b)(a+b)

-3 ( x- -2i) (x+2i)

-3( x+2i) (x-2i)

3 0
3 years ago
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