Answer:ok
Step-by-step explanation:
Answer:
Answer:
10x-3=7x+45 corresponding angle
10x-7x=45+3
3x=48
x=48/3=16
value of x is 16.
2x²-3x-15=5
2x²-3x-15-5=0
2x²-3x-20=0
½(2x+5)(2x-8)
-2x=-5
x=-5/2
2x-8=0
2x=8
x=4
---------------------------
Answer:
9 sides!
Step-by-step explanation:
Nonagon has it's each interior angle measure as 140 degrees.
Polygon with 9 sides!
Answer:
1. 0.472
2. 0.25
Step-by-step explanation:
1. reduce the fraction with 3 = 1\4 + 2\9
write all numerators above the Least common denominator 36 =9 + 8\36
Add numbers = 17\36 and the alternate form is 0.472
2. Divide the numerator and denominator by three = 3 ÷ 3\12 ÷ 3 = 0.25
I can't do the others now I have an exam(sorry)