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pav-90 [236]
2 years ago
13

What is the value of X that makes equation true? -5(2x - 3) + 4x = -3x + 6

Mathematics
1 answer:
Alisiya [41]2 years ago
6 0

Answer:

x=3

Step-by-step explanation:

You might be interested in
The interior angle of a regular polygon is five times its corresponding exterior angle. Find the
tiny-mole [99]

Answer:

12

Step-by-step explanation:

Regular polygon is one in which each angle and sides is congruent.

Sum of all the exterior angles of any polygon is 360.

Sum of all the  interior angles of any polygon is (2n-4)*90

where is n is the no. of sides of polygon.

Let n be the no. of sides of polygon required

Therefore,

Sum of all the  interior angles of  polygon = (2n-4)*90

since no of sides of polygon is n

therefore, value of each  interior angles of the polygon = (2n-4)*90/n  (A)

Sum of all the exterior angles of any polygon = 360.

value of each  exterior angles of the polygon = 360/n  (B)

Given that

The interior angle of a regular polygon is five times its corresponding exterior angle   (c)

using the statement A, B and C

(2n-4)*90/n = 5*360/n

1/n is common on both side, hence it gets cancelled.

(2n-4)*90 = 5*360

=> (2n-4) = 5*360 /90 = 20

=> 2n = 20+4 = 24

=> n = 24/2 = 12.

the  number of sides of the polygon is 12

6 0
3 years ago
Find the missing value in the equivalent ratio 18:27=
goblinko [34]

Answer:

18:27 can be reduced to 6:9 can be reduced again to 2:3.

6 0
2 years ago
42 is 250% of what number
anzhelika [568]
42=2.50 × n.
2.50n/2.50. 42/2.50


16.8 is your answer
8 0
2 years ago
The barrels weighed 834 pounds apiece. The ship's cargo included 618 barrels. Therefore, the barrels added pounds in weight to t
Mekhanik [1.2K]
I think you have to add the weights of the cargo ship
6 0
2 years ago
How do you solve this using substitution <br> -8x-y=-30<br> Y=12x-50
never [62]

Step-by-step explanation:

substitude the y value into y in the first equation

-8-(12x-50)=30

-8-12x+50=30

you see it?

then solve

-8+50-30=12x

you got the value = 12x

then you divide with 12

finally you get x

7 0
3 years ago
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