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tatuchka [14]
3 years ago
9

Find the slope of the line through the pair of

Mathematics
1 answer:
Minchanka [31]3 years ago
7 0

Answer:

<u>-0.15</u>

Step-by-step explanation:

\frac{y{2}- y{1} }{x{2}-x{1}  }\\      is the formula

now let's subsitute into the formula with our points (6,10) and (-20,14)

\frac{14-10=4}{-20-6=-26}

now we have the fraction \frac{4}{-26}     or -0.15

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What is -32/3 * (-2 1/4)?
seraphim [82]

Answer:

The answer is c. 8 1/4

Step-by-step explanation:

-3 2/3 X (-2 1/4)

convert to improper fraction

-11/3 X -9/4

The negative signs multiplies to give a positive one.

= 99/12 = 33/4

= 8 1/4

4 0
3 years ago
What is the slope of a line that is perpendicular to 4x-8y=64
aleksley [76]

Answer:

- 2

Step-by-step explanation:

1) Write the equation in slope-intercept form.

4x - 8y = 64

-8y = -4x +64

y = 1/2 x - 8

slope of this line = 1/2

2) For perpendicular line the slope is negative reciprocal.

So, slope for perpendicular line is equal  -2.

4 0
4 years ago
14. What is the slope and y-intercept of the equation 5(y + 3) + 6(x - 3) - 2 = 0?
Alexxandr [17]

Step-by-step explanation:

5(y + 3) + 6(x - 3) - 2 = 0 \\  \\ 5y + 15 + 6x - 18 - 2 = 0 \\  \\ 5y + 6x + 15 - 20 = 0 \\  \\ 5y + 6x - 5 = 0 \\  \\ 5y =  - 6x + 5 \\  \\ y =  -  \frac{6}{5}  x+  \frac{5}{5}  \\  \\ y =  -  \frac{6}{5}  x+  1 \\ equating \: it \: with \\ y = mx + c \\ \\  slope \: (m) =   -  \frac{6}{5}  \\  \\ y - intercept \:( c )= 1

8 0
3 years ago
Y = 4x + 2 y = x + 5 on a graph
Helen [10]
\left\{\begin{array}{ccc}y=4x+2\\y=x+5\end{array}\right\\\\y=4x+2\\for\ x=0\to y=4(0)+2=2\to(0;\ 2)\\for\ x=-1\to y=4(-1)+2=-4+2=-2\to(-1;-2)\\\\y=x+5\\for\ x=0\to y=0+5=5\to(0;\ 5)\\for\ x=-5\to y=-5+5=0\to(-5;\ 0)\\\\\text{Look at the picture}\\\\Answer:\ x=1;\ y=6\to(1;\ 6)

7 0
3 years ago
A.)61<br> B.)49<br> C.)17<br> D.)7
makkiz [27]

Answer:

C.) 17

Step-by-step explanation:

These angles are supplementary meaning they add up to 180°.

7x + 2x + 27 = 180

9x + 27 = 180

9x = 153

x = 17

5 0
3 years ago
Read 2 more answers
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