Answer:
radical 65
Step-by-step explanation:
4+7 are squred and under a radical bar
4^2 +7^2= 16 +49 under radical bar
radical 16+49=radical 65
good luck
Answer:
x=1.25 and y=-5.5
Step-by-step explanation:
2x+y=-8, 2x=-y-8 or 4x=-2y-16. Plug this value in the second equation, we have - 2y-16-2y=6, y=-5.5. Plugging this in any equation we have, x=1.25
Answer:420$
Solution: 105•4= 420$
25%= 1/4 therefore we can find the original price by multiplying the decrease with 4
If the radius is tripped, the volume will increase by 3^3 = 27 times.
Answer: 27 times
