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Alja [10]
3 years ago
8

What is the answer 7-2(3x+2)​

Mathematics
2 answers:
melisa1 [442]3 years ago
8 0

Step-by-step explanation:

Do distributive property

7 - 6x - 4

notka56 [123]3 years ago
4 0
To begin, distribute the -2 to both the 3x and the 2, which would result in -6x-4. When added back into the original equation, you have 7-6x-4. 7-4 is 3, so the final answer is -6x+3.
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Write an equation for the perpendicular bisector of the line segment joining the two points.
Leona [35]
Points (1, 7)  and  (-3, 2)

Slope for a line between (x₁, y₁) and (x₂, y₂) , m = (y₂ -y₁) / (x₂- x₁)

The slope for the line joining the two points =  (2 - 7) / (-3 - 1) = -5/-4

Slope = 5/4

Hence the perpendicular bisector would have a slope of -1/(5/4) = -4/5

By condition of perpendicularity

For points (1, 7)  and  (-3, 2),

Formula for midpoints for (x₁, y₁) and (x₂, y₂) is ((x₁ +x₂)/2 , (y₁+ y₂)/2)

Midpoint for (1, 7)  and  (-3, 2) = ((1+ -3)/2 , (7+2)/2) = (-2/2, 9/2)

= (-1, 9/2)

Since the slope of perpendicular bisector is -4/5 and passes through the midpoint (-1, 9/2)

Equation  y - y₁ = m (x - x₁)

                y - 9/2 = (-4/5) (x - -1)
           
                y - 9/2 = (-4/5)(x + 1)

               5(y - 9/2) = -4(x + 1)

               5y - 45/2 = -4x - 4

                 5y =  -4x - 4 + 45/2
           
                5y + 4x = 45/2 - 4

                  5y + 4x = 22  1/2  - 4 =  18 1/2

                  5y + 4x =  37/2

                  10y + 8x = 37

The equation of the line to perpendicular bisector is 10y + 8x = 37
7 0
3 years ago
Plz answer !!! I need your help​
just olya [345]

Anything what i can do for you?

5 0
3 years ago
HELP DUE IN 10 MINUTES!!
Irina-Kira [14]

Answer:

Point Form:

(-4,4)

Equation Form:  

x= -4, y=4

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A vine is growing at a rate of 0.25 meter per week.
Soloha48 [4]

0.25 x 14

3.5 meters

I think

I hope I helped :)

3 0
3 years ago
What is 9/21 in simplest form
mote1985 [20]
The answer is 3/7

9÷3=3
21÷3=7
4 0
3 years ago
Read 2 more answers
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