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nataly862011 [7]
3 years ago
15

The difference of eight and twice a number

Mathematics
1 answer:
anygoal [31]3 years ago
8 0

Answer:

8-2x

Step-by-step explanation:

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What is the point slope form of the line with slope -1/4 that passes through the point ( -2,9 )
morpeh [17]

\bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{9})~\hspace{10em} \stackrel{slope}{m}\implies -\cfrac{1}{4} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{9}=\stackrel{m}{-\cfrac{1}{4}}[x-\stackrel{x_1}{(-2)}]\implies y-9=-\cfrac{1}{4}(x+2)

8 0
4 years ago
Evaluate 5y-2x when y=10 and x=3
kvv77 [185]
5(10) - 2(3) , 50 - 6 , 44
4 0
3 years ago
Find an equation in point slope form that passes through the points -1,3 and 1,7 show all your work
liberstina [14]

Answer:

Step-by-step explanation:

1. Find the slope:

   7 -3/ 1 + 1 = 4/2 = 2 = m

2.  Find b by plugging in the m and one of the points given into y = mx + b

     7 = 2 ( 1 ) + b

     7 = 2 + b

      5 = b

3. Write the equation using the m and the b you just found

 y =2 x + 5

4 0
3 years ago
Which equation represents a line parallel to<br> the line y = 3x - 2?
Vera_Pavlovna [14]

Answer:

y=3x+2

Step-by-step explanation:

-2's opposite is positive and the rate of change (slope) is constant

4 0
3 years ago
Given m || n, find the value of x and<br> y.
Ann [662]

Answer:

x = 41 , y = 139

Step-by-step explanation:

x and 41° are alternate exterior angles and are congruent , so

x = 41

x and y are a linear pair and sum to 180° , that is

x + y = 180

41 + y = 180 ( subtract 41 from both sides )

y = 139

3 0
2 years ago
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