imello51
10.07.2019 •
Mathematics
The radius r of a circle is increasing at a rate of 8 centimeters per minute. find the rate of change of the area when r = 39 centimeters
Solved
Show answers
More tips
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
Answers on questions: Mathematics
- M Mathematics What is the result of −1/4 x -12 4/9?...
- M Mathematics 11. find the value of x. (6x + 7)º (8r - 17)...
- M Mathematics At restaurant you order a lunch that costs 6.50 and a beverage that costs 1.50. you leave a 20% tip and the sales tax is 7%. what is the total cost?...
- M Mathematics Points c, a, and b are collinear. which of the following are opposite rays? o ac and ab o ac and ad • ab and ad ca and ab...
- M Mathematics The football boosters club had 80 t shirts made to sell at football games by mid-october they had only 12 left what percent of the shirts had been sold show work...
- M Mathematics What is the volume of the box pictured below?...
- M Mathematics How many inches does the ramp rise for each inch of length? round to the nearest hundredth. a) .25 inches b) .33 inches c) .34 inches d) .67 inches e) .72 inches...
- M Mathematics Agroup of friends about two large pizzas at 8 only part each pizza how many pieces that they eat...
- M Mathematics What term describes this polygon? heptagon dodecagon 17-gon 12-gon...
- M Mathematics Given the function y=2x-3 complete the table...
Ответ:
dA/dt = ?
but A= πr²
so dA/dr =2πr
but recall
dA/dt = dA/dr • dr/dt
dA/dt = 2πr • 8cmM-¹
dA/dt = 2×π×39 ×8 = 624cm²M-1
Ответ:
$8.28
Step-by-step explanation:
So, first we must find the price per ticket so we do
13.80/5 = 2.76
So the $2.76 per ticket
So now all we do to find the price of three tickets we times the price per ticket by 3
2.76 x 3 = $8.28