Answer:
2 : 1
Step-by-step explanation:
Initial dimension = 8:6
New information;
height of 12 units and a width of 16 units
Final dimension = 16:12
Comparing both dimensions,
Multiplying the initial by 2, we get the final dimension, this meas;
Final Dimension = Initial Dimension * 2
Final Dimension / Initial Dimension = 2 / 1 = 2 : 1
The correct answer is 28.3.
You take 22/1.4 and get 15.7142857143. Then you take 15.7142857143*1.8 which equals 28.2857142857 so you round it up to 28.3 which is the answer.
I hope this helps you:)
Answer:
x = 4 ; y = 8
Step-by-step explanation:
we can use a system of two equation
x+1 = y-3
y-5 = 2x-5
we can find x in the first equation
x = y -4
we can now substitute x with this value in the second equation
y-5 = 2(y-4)-5
y = 2y-8
y = 8
we can now find x
x = 8-4 = 4
verify
2(4)-5 = 3
8-5 = 3
8-3 = 5
4 + 1 = 5
2x+5=x-8
-x on both sides
x+5=8
-5 on both sides
x=-13
Answer:
20079.05 cm^2,
Step-by-step explanation:
Surface area of the box without the lid
= 90*42 + 2(90*34) + 2(42*34) = 12756.
Now find Surface area of the half cylinder:
The diameter of the 2 half circles = 42 so the radius = 21.
The area of the lid
= 2 + 1/2 π (21)^2 + π r * 90
= 7323,052
Total = 20079.052
