19,810 rounded to the nearest hundred is 19,800.
8 is in the hundreds place, and the number 1 is in front of it.
Numbers 1-4 in front of the number make the number stay the same.
Numbers 5-9 in front of the number make the numbers round up one number.
Answer:
Step-by-step explanation:
r = Radius
h = Height
Volume of cylinder = 
Surface area is given by
Differentiating with respect to radius we get
Equating with zero we get
So, the value of the function is minimum at 
So, the radius and height which would minimize the surface area is 1.05 feet and 2.12 feet respectively.
Surface area
The minimum surface area is .
Answer:
2,800
Step-by-step explanation:
Because they are adding 700 each time.
Answer:
$43.20
Step-by-step explanation:
The price with tax is 100% + 8% = 1.08 times the price before tax. The discount multplies that price by 100% -20% = 0.80. The discount multiplier is the same whether the discount is applied before or after the tax.
The combined effect of the two multipliers is ...
... 1.08 × 0.80 = 0.864
so the discounted price with tax added is 0.864 × $50 = $43.20
_____
Perhaps you're supposed to figure the tax (8% of $50 = $4), add the tax ($50 +4 = $54), then subtract the discount (20% of $54 = $10.80) to get
$54.00 -10.80 = $43.20
Answer:
67
Step-by-step explanation
I did this in my math class yesterday
