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Georgia [21]
3 years ago
14

(-20,-4), (-12, -10) find the slope

Mathematics
1 answer:
love history [14]3 years ago
5 0

Answer:

-6/8

Step-by-step explanation:

The slope formula is y2-y1

                                   ____

                                     x2-x1

In the ordered pair (-20,4)

-20 is x1 the first x and 4 is x1

-12 is the x2 i.e. 2nd point and -10 is y2 i.e. 2nd point on y axis

so we plug in the value to the formula -10-(-4)      two negatives become +

                                                                _____

                                                                -12-(-20)

                                                                                                                                       

                                                         so -10+4            -6                6

                                                                 ____   =    ___  =   -      _

                                                                  -12+20      8                   8

(remember  you subtract and the signs are different you subtract and use the sign of larger number)

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Whats is 2(-2x +8)?????
Pani-rosa [81]

Answer:

Hope It Helps !!

Step-by-step explanation:

-4x+16

3 0
3 years ago
Kristin’s three-year old sister is trying to arrange pink and red Starbursts in rows. She has 360 pink Starbursts and 150 red St
Vesnalui [34]
To find the least number of rows she can make will be found by finding the biggest way to divide these into equal groups (greatest common factor).

You can use prime factorizations of each number to find the gcf.

150 - 2 x 3 x 5 x 5
360 - 2 x 2 x 2 x 3 x 3 x 5

The common prime numbers are 2 x 3 x 5

You can make 12 (360/30) rows of pink and 5 (150/30) rows of red.
6 0
4 years ago
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nexus9112 [7]
This is quite an easy question rather.
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6 0
4 years ago
Find the equation (in terms of x ) of the line through the points (-3,5) and (1,-7)
vredina [299]

The equation (in terms of x ) of the line through the points (-3,5) and (1,-7) is y = -4x - 3

The formula for calculating the equation of a line is expressed as;

y = mx + b where

  • m is the slope
  • b is the y-intercept

Given the coordinate points  (-3,5) and (1,-7)

Get the slope

Slope = \frac{-7-5}{1+3}\\Slope =\frac{-12}{4}\\slope  =-3

Get the y-intercept

Recall that y = mx+ b

-7 = -4(1) + b

-7 = -4 + b

b = -7 + 4

b  = -3

Get the required equation:

y = -4x + (-3)

y = -4x - 3

Hence the equation (in terms of x ) of the line through the points (-3,5) and (1,-7) is y = -4x - 3

Learn more here: brainly.com/question/17003809

5 0
3 years ago
2. a) The average age of 5 students is 9 years. Out of them the ages of 4 students are 5, 7, 8 and 15 years. What is the age of
olga nikolaevna [1]

Answer:

10

Step-by-step explanation:

5 * 9 = 45

45 is the sum of all the ages added up

45 - (5 + 7 + 8 + 15) = 10

3 0
3 years ago
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