Answer:
There's going to be 2 solutions
Step-by-step explanation:
Answer: She has $15
Step-by-step explanation:
20*0.75=15
Answer:
18.852:50.272
Step-by-step explanation:
Step one:
given
The radii of two right circular cylinders are in the ratio 3 : 4
r1= 3
r2= 4
Their heights are in the ratio 1 : 2
h1= 1
h2= 2
Step two:
The expression for the curve surface area is
CSA= 2πrh
CAS1= 2πr1h1
CAS1= 2*3.142*3*1
CAS1= 18.852
CAS2= 2πr2h2
CAS2= 2*3.142*4*2
CAS1= 50.272
The ratio of their curved surface areas
=18.852:50.272
Answer:
x=4
Step-by-step explanation:
-3x + 12x =36
Combine like terms
(-3+12)x = 36
9x = 36
Divide each side by 9
9x/9 = 36/9
x = 4