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astra-53 [7]
3 years ago
12

What is the value of x in the equation 3 ( 4 x − 6 ) = − 3 ( 5 − 2 x )

Mathematics
2 answers:
valina [46]3 years ago
3 0

Answer:  x = 0.3

Step-by-step explanation:

12x-18=-15+6x

6x = 3

x = 1/2 or 0.5

[Corrected]

kap26 [50]3 years ago
3 0

\small\tt\red{Question   = 3(4x - 6) =  - 3(5 - 2x)}  \\\small\tt\green{find \: the \: value \: of \: x}.  \\  \\ \small\orange{\underline{ \underline{solution}: - }} \\  \\    \tt\color{blue}3(4x - 6) =  - 3(5 - 2x) \\  \\  \tt \color{blue}12x - 18 =  - 15 + 6x \\  \\  \tt \color{blue}12x - 6x =  - 15 + 18 \\  \\  \tt \color{blue}6x = 3 \\  \\  \tt \color{blue}x = \cancel  \frac{3}{6}  \\  \\  \tt \color {green}x =  \frac{1}{2}  \:  \: or \:  \: 0.5 \:  \: answer

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Rudiy27

Answer:

8

Step-by-step explanation:

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3 years ago
NEED HELP ASAP!! WILL MARK BRAINLIEST IF ITS RIGHT!!
Karo-lina-s [1.5K]

Answer:

First one: yes

Second one: yes

Third one: no

Step-by-step explanation:

To find the midpoint of a line segment, you take the x and y coordinates of the 2 points, add each of them up, and divide each of them by 2.

First one: x = (1+3)/2 = 2, y = (2+4)/2 = 3, so it's correct.

Second one: x = (-1+3)/2 = 1, y = (1+-1)/2 = 0, so it's correct.

Third one: x = (-3+-1)/2 = -2, y = (0+5)/2 ≠ 2, so it's not correct.

I really hope this helped.

3 0
3 years ago
According to his car odometer,Alfonso drove a total of 10 kilometers from his house to the movie theater and back again approxim
Brums [2.3K]

Answer:

It is approximately 3.10 miles from Alfonso's house to the movie theater

Step-by-step explanation:

First, identify what you know:

1) Alfonso drove from his house TO the movie theater, and then BACK to his house.

2) Alfonso's odometer shows him that the ENTIRE trip was 10 miles.

If the entire trip was 10 miles, and he only went to the move theater, AND took the same route back, then we simply divide 10 in half! This will give us the distance from his house the the movie theater, or rather, half of the trip, in kilometers.

10/2 = 5 kilometers.

Now, what is 5 kilometers in miles? Well, one mile is equal to 1.60934 kilometers, and one kilometer is equal to 0.621371 miles. So, simply multiply!

5 km  x 0.621371 miles = 3.106855

The approximate distance from his house to the theater is 3.10 miles!

Hope this helps! :)

3 0
3 years ago
A right circular cylinder has a diameter of 16 mm and a height of 12 mm. what is the volume of the cylinder in terms of π?
valina [46]
Volume of the cylinder = hr²π

diameter = 2 × radius
16 = 2 × r
r = 16/2
r = 8 mm

V = hr²π
V = 12 × 8² × π
V = 12 × 64 × π
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8 0
3 years ago
Read 2 more answers
Help, i'll give a brainliest
Valentin [98]

Answer:

The equation is y=2x + 2

Step-by-step explanation:

4x+2y=7

2y=-4x+7

y=-2x+7/2

Hence, the gradient =-2

Note that: parallel lines share the same gradient

sub m(gradient)=-2 and the point (1,0) into y=mx+c

0=-2(1)+c

c=2

Therefore, the equation in the form of y=mx+c is y=-2x+2

8 0
3 years ago
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