Answer:
40
Step-by-step explanation:
you have to do this first:
10x4=40
Answer:
120 lb
Step-by-step explanation:
3 boxes ----> 90 lb
1 box -------> 90 ÷ 3 = 30 lb
4 boxes -------> weight of 1 box x 4 = 3 x 4 = 120 lb
change 5 4/10 to an improper fraction (10*5 +4)/10 = 54/10
54/10 divided by 6/10
copy dot flip
54/10* 10/6
54/6
9
There are 9 servings of soup
Dr /dt = 7
A = pi r^2
dA / dr = 2pir
dA/dt = dA/dr * dr/dt = 2pir * 7 = 14pir
when r = 12 rate of change of the area = 14*pi*12 = 168pi
= 527.79 cm^2 / minute to nearest hundredth
The answer is In the picture
