Step-by-step explanation:
(3x+5)-(4x²-2)-(x²-3x+1)
= 3x+5-4x²+2-x²+3x-1
=6x+6-5x²
=-5x²+6x+6
Answer:
70° and 20°
let the other 2 angles be 7x and 2x
90+7x+2x=180
9x=180-90
x=90/9
x=10
7x=7x10
70
2x=2×10
2p
Answer: -(25/9)pie or -8.726646 radians
Step-by-step explanation:
= -500 * (pie/180)
so -8.726646 radians
Step-by-step explanation:
Since each dot represents the number of books read in one week, to determine how many weeks long the summer reason program was, just count all the dots, and divide the result by the number of books represented by a dot.
Answer:
b and c
Step-by-step explanation:
