1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dmitry_Shevchenko [17]
3 years ago
12

Don Williams uses his small motorboat to go 5 miles upstream to his favorite fishing spot. Against the current, the trip takes 1

/3 hour. With the current the trip takes 1/5 hour. How fast can the boat travel in still water?

Mathematics
2 answers:
Alex17521 [72]3 years ago
6 0
<span><span>12 MPH GOING UP STREAM.
</span><span>
</span></span>
castortr0y [4]3 years ago
5 0

Suppose x is the rate at which the boat travels at still water.
let y be rate in moving water
up stream is x-y 
down stream is x+y
the 1/3(x-y)=5
1/5(x+y)=5
solve the system
x-y=15
x+y=25
add the equation to cancel y
we get 2x=40
x=20 
therefore the boat is moving at rate of 20 miles for hour in still water 

You might be interested in
Y=2/3(x-5)^2
Anvisha [2.4K]

Answer:

  see below

Step-by-step explanation:

The graph opens upward if the sign of the squared term is positive. If that sign is negative, the graph opens downward. The first three equations open upward; the last opens downward.

The line of symmetry is the value of x that makes the squared term zero. Here, that is x=5 for all equations.

<u>y=2/3(x-5)^2</u>:  A, D

<u>y=1/2(x-5)^2</u>:  A, D

<u>y=3/4(x-5)^2</u>:  A, D

<u>y=-4(x-5)^2</u>:  B, D

8 0
4 years ago
What two numbers add to 4 and multiply to 1
Arlecino [84]
There are no numbers for this, thus you will have to use the quadratic formula.
4 0
3 years ago
How do you get coterminal angles with radians in calutator in fraction form?
Natasha2012 [34]

<span>To find the exact  calculator experence to find the exact value of a coterminal angle to a given trigonometric angle. Since there are an infinite number of coterminal angles, this calculator finds the one whose size is between 0 and 360 degrees or between 0 and 2π depending on the unit of the given angle.</span>

7 0
3 years ago
there are 8 students on the minibus. five of the students are boys. what fraction of the students or boys?
Hunter-Best [27]

Answer: 5/8


Explanation:

total = 8

boys = 5

fraction = 5/8

3 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the points (−2, 1) and (1, 10)?
Anna71 [15]
Slope = (10-1)/(1+2) = 9/3 = 3

y = mx + b
1 = 3(-2) +b
1 = -6 + b
b = 7

equation

y = 3x + 7  
or
3x - y = -7

answer is <span>3x − y = −7 (first choice)</span>
6 0
3 years ago
Read 2 more answers
Other questions:
  • An element with mass 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest
    9·1 answer
  • What’s grader -77 or -54
    11·2 answers
  • Find the solution set.<br><br> |x| = -16<br><br> { }<br> {-4, 4}<br> {-16, 16}<br> {-32, 32}
    11·2 answers
  • Please help- will give brainlist. I would appreciate if you told me how you got the answer but you don’t have to
    12·2 answers
  • What is the value of B and C
    5·1 answer
  • Find area of shaded region
    7·1 answer
  • What is the height of the flag pole?
    8·2 answers
  • Sheila either walks or cycles to school. The probability that she walks is 0.65, is she walks the probability she is late is 0.4
    7·1 answer
  • In experiments where participants were allowed to sleep for an unlimited amount of time, participants tended to sleep 12 or more
    15·1 answer
  • In a sale normal prices are reduced by 10% natalie bought a pair of shoes in the sale for £54
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!