Answer:
The perimeter is the distance all the way around the outside of a 2D shape. To calculate the perimeter, sum the lengths of all the sides.
Therefore, perimeter of the triangle = (2x - 8) + (2x + 5) + (30 - 3x)
Collect like terms: 2x + 2x - 3x - 8 + 5 + 30
Combine like terms: x + 27
Therefore, perimeter of triangle = x + 27
We are told that the perimeter is 25:
x + 27 = 25
Subtract 27 from both sides: x = -2
If x = -2, then the side with equation 2x - 8 = (2 x -2) - 8 = -12
A length cannot be negative, therefore the perimeter cannot equal 25.
70+5x=320
5x=250
x=50
The mechanic charged $50 per hour.
Answer:E,F
Step-by-step explanation:
We can cancel out A, and D becuase it isnt part of a 30,60,90 triangle.
In c, The hypotenuse is not EG, it is EF. In n Ef is the hypotenuse but, to find the hypotenuse you have to multiply the shorter side by 2 not square root of (3)
Answer:
Draw a number line starting with -100, -95, -90, -85, -80, -75, -70, -65, -60, -55, -50, all the way to 0. Then put a point mark at where the -98 would be.
