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
Aliun [14]
3 years ago
8

A boat has a speed of 9 mph in cold water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same dist

ance downstream. which equation can be used to find c, the speed of the current
Advanced Placement (AP)
1 answer:
UNO [17]3 years ago
8 0
(1) 9*4 - 4c = x
(2) 9*2 +2c = x

∴ 36 - 4c = 18 + 2c
18 - 4c = 2c
9 - 2c = c
9 = 3c
c = 3 mph
You might be interested in
Sally is the office manager in a dental office, and her assistant has suggested that they stop sending mailed appointment remind
Elina [12.6K]
An appropriate choice is ...
  A. Decides that she will give it some more thought and do some research.

_____
In the real world, the most likely response will be B. The second most-likely response will be to ask the assistant to do the research. Another possible response is to make the counter-suggestion that e-mail, text, or social media reminders be used.
5 0
4 years ago
Read 2 more answers
Eeeeeeeeeeeeeeeeeeeee
VLD [36.1K]

Answer:

eeeeeeeeeeeeeeeeeeee

Explanation:

4 0
3 years ago
Read 2 more answers
Which information goes on a note card? Select all that apply.
TiliK225 [7]
I think it’s c and d
7 0
3 years ago
Read 2 more answers
Which of the following choices are binomial random variables?
Vlad [161]

A binomial random variable is one based on a given number of specified

outcomes from a given number of trials.

  • The choice that is a binomial random variable is Choice B; <u>Amelia rolls 5 fair dice. Let </u><u><em>D</em></u><u> equals the number of dice that show a value greater than 3</u>.

Reasons:

A binomial random variable is the variable that represents the number of

times a specified event occurs in a given number of trials.

From the above definition of the binomial random variable, we have;

The binomial random variable is the option;

<u>Choice B Amelia rolls 5 fair dice. Let </u><u><em>D</em></u><u> equals the number of dice that show </u>

<u>a value greater than 3</u>, because, of the following;

  • The number of trials are specified as 5
  • The variable which is the event that is being observed, is specified as the number of times when the dice show values greater than 3.

<em>Choice A is a geometric random variable</em>

<em>Choice C is a random variable</em>

Learn more here:

brainly.com/question/15567593

6 0
3 years ago
When a number is divided by 13 the remainder is 11 . When the same number is divided by 17 remainder is 9. What is the number
Anarel [89]
The answer is 13*9+11=128 or 17*7+9=128
8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the reason that meteorologists use weather station models instead of writing all of the information out?
    5·2 answers
  • Which country has the lower BMI? Does this country also have the lowest caloric intake? How would you describe this country?
    10·1 answer
  • Which statement is true about architectural photography?
    8·2 answers
  • Compare and contrast these two paragraphs:
    6·1 answer
  • A teacher requires an oral presentation as part of their final grade. A. Is institutional discrimination present? B. Against wha
    5·2 answers
  • What were the main points of the Supreme Court’s decision in Marbury v. Madison? How did the decision relate to the system of ch
    10·1 answer
  • Bilang mag-aaral gaano kahalaga ang edukasyon sa ating panahon ngayon?​
    14·1 answer
  • Ano ang pangunahing mensahe ng awitin/kanta na ito
    8·1 answer
  • Ông A muốn có 2000 triệu trong 10 năm tới. Với lãi suất ngân hàng là 6%/năm hỏi hàng tháng ông A gửi vào ngân hàng bao nhiêu tiề
    12·1 answer
  • Explain four reasons of preserving farm produce​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!