Answer:
29
Step-by-step explanation:
Well "value" of 3x^2 - 7x + 9 when x = 4 is just x plugged into the expression
3 * 4^2 - 7 * 4 + 9
3 * 16 - 28 + 9
= 29
Answer:
14 miles
Step-by-step explanation:
make it into an equation 1.50x+3=24 then solve
Answer:
16/3 or 5.33
Step-by-step explanation:
Cross multiply
4/1 * 3/4
4 * 4 = 16
3 * 1 = 3
Answer:
Area of the 2 circles
= 2 pi r square root
= 2 x 3,14 x 21 x 21
=6,28 x 441
=2769.48inches square
Area of the rectangle
= L x h
= where is the other number bc then u cant solve it
Step-by-step explanation:
Answer:
6⅔ minutes
Or, 6 minutes 40 seconds
Step-by-step explanation:
X/10 + X/20 = X/T
(2X+X)/20 = X/T
3X/20 = X/T
3/20 = 1/T
T = 20/3
T = 6⅔ mins
