Answer:
D
Step-by-step explanation:
interior angles = 180
180-72
Answer:
72 degrees
Step-by-step explanation:
2x+3x=180
5x=180
x=36
36*2=72
Answer:(4,-1)
Step-by-step explanation:
Answer:
6 3/4
Step-by-step explanation:
to write 54/8 into the mixed number and in the simplest form
we first simpify 54/8 which is 27/4
to convert 27/4 into a mixed number we first see how many times does 4 goes into 27 with the remainder. 4 goes into 27 6 times with the remainder of 3. 4 goes into 27 6 times so, 6 will be the whole part 3 remainder will be the numerator and 4 will be the denominator. like 6
Answer:
one solution. x = 4
Step-by-step explanation:
a quadratic equation has 2 solutions. but in the equation here only has one.
(x-4)^2 = 0
x = 4