genyjoannerubiera
05.05.2020 •
Mathematics
A motorboat can go 16 miles downstream on a river in 20 minutes. It takes 30 minutes for this boat to go back upstream the same 16 miles. Let x = the speed of the boat. Let y = the speed of the current. a. Write an equation for the motion of the motorboat downstream. b. Write an equation for the motion of the motorboat upstream. c. Find the speed of the current.
Solved
Show answers
More tips
- G Goods and services What Are the Most Popular Services?...
- P Philosophy How did the concept of module arise in computer science?...
- D Dating, Love, Relationships Why Should the Man be Active and the Woman Passive during Foreplay?...
- S Society and Politics Выборы: Смысл, Значение и Отражение...
- B Business and Finance How to Get Your Money Back When Lending? Top 7 Ways...
- F Family and Home Do Lullabies Help Babies Sleep or Is it Just a Myth?...
- F Family and Home Why Does God Punish Us Constantly and How Can We Fix It?...
- D Dating, Love, Relationships Why do we feel shame?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- O Other How to Accidentally Get a Rare Coin with Your Change and How to Know Its Value?...
Answers on questions: Mathematics
- M Mathematics HELPPP ! Let g (5) = 12, 9(-32) = 100, and g(-3) = 14 What is g^-1(14)?...
- M Mathematics What can you say about all the y values in quadrant ii...
- M Mathematics Which expression can be used to represent the volume of the trapezoidal prism? A. 2x3 + 6x2 B. x3 + 6x2 C. x3 + 3x2 D. 2x3 + 3x2...
- M Mathematics Reasoning A cone with radius 6 and height 12 has its radius quadrupled. How many times greater is the volume of the larger cone than the smaller cone? Use pencil and...
- M Mathematics While training to run a marathon, a runner must increase the number of miles run each week leading up to the race. Darnell is training to run a marathon. In his first...
- M Mathematics Plot and connect the points A(-4,-4), B(-5,-4), C(-5,-3), D(-4,-3), and find the area of figure ABCD....
- M Mathematics Suppose that the manufacturer of a gas clothes dryer has found that, when the unit price is p dollars, the revenue R (in dollars) is R(p) = -6p²+24,000p. What unit...
- M Mathematics A particular personal trainer works primarily with track and field athletes. She believes that her clients run faster after going through her program for six weeks....
- M Mathematics Suppose a curve is given by the parametric equations x=f(t), y=g(t), where the range of f is [2, 7] and the range of g is [1, 4]. What can you say about the curve?...
- M Mathematics 14. A job candidate with an offer from a prominent investment bank wanted to estimate how many hours she would have to work per week during her first year at the bank....
Ответ:
A) d = 48t, d in miles, t in hours
B)d = 32t, d in miles, t in hours
C)y = 8 mph
Step-by-step explanation:
16 miles in 20 mins = 48 mph
16 miles in 30 mins = 32 mph
The boat speed is the average = (48 + 32)/2 = 40 mph
The current is the difference = 8 mph
Ответ:
I think the answer is (origin)