3 years ago

Solve for x a) 10 b) 40 c) 28 d) 58

Mathematics

1 answer:

Fantom [35]3 years ago

6 0

Answer:

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

x + 18 + 4x + 112 = 180 , collect like terms

5x + 130 = 180 ( subtract 130 from both sides )

5x = 50 ( divide both sides by 5 )

x = 10

You might be interested in

Replace A with a number to make A/24 ≥ 1/4 a true statement.

antiseptic1488 [7]

Answer:

B. 7

Step-by-step explanation: 6/24= 1/4 so 7/24>1/4

7 0

3 years ago

Which of the following equations has the same solutions as the equation 3x + 2y= -12

tatuchka [14]

Answer:

x= -2/3y-4

Step-by-step explanation:

3x+2y=-12

3x+2y-2y= -2y-12

3x=-2y-12

3x/3= -2y/3-12/3

x= -2/3y-4

6 0

3 years ago

The diameter of a small gear is 16 cm. This is a 2.5 cm more than 1/4 of the diameter of a large gear. What is the diameter of t

eimsori [14]

The large gear has a diameter of 54 CM.

6 0

3 years ago

Read 2 more answers

The length of a rectangle is six times its width.

Hoochie [10]

Answer:

Length = 30

Width = 5

Step-by-step explanation:

So the formula for perimeter is

P = 2L+2W

And we know that:

L = 6W

So then we put in all the information that we do know

70 = 2(6W)+2W

And pop that into a calculator and you get W=5

So now we put that information into L = 6W to get:

L = 6×5

L = 30

3 0

3 years ago

Find the midpoint of points A(-2,-8) and B(7,-4) graphically.

k0ka [10]

Answer:

The midpoint is (2.5,-6) or written as a fraction ( $\frac{5}{2}$ , -6)

Step-by-step explanation:

$MP= (\frac{x_1+x_2}{2}),(\frac{y_1+y_2}{2} ) \\MP= (\frac{-2+7}{2}),(\frac{-8+-4}{2} ) \\MP= (\frac{5}{2}),(\frac{-12}{2} ) \\MP= (2.5,-6 )$

7 0

3 years ago