Ask question

Ask question

All categories

tankabanditka [31]

4 years ago

13

Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively.

How long would it take to clear out the smoke in the room if all three fans are used?

1 answer:

kirill115 [55]4 years ago

6 0

(use at own risk) either 16 17 or 17.3 hours

You might be interested in

Sean has some candy bars that he wants to give away. He is going to give each person \dfrac18 8 1 start fraction, 1, divided b

Afina-wow [57]

Answer:

22 people

Step-by-step explanation:

Sean has 2 3/4 candy bars. That is 11/4 candy bars.

He wants to give out 1/8 candy bars.

The number of people that will get candy is:

$\frac{11}{4} / \frac{1}{8}\\ \\= \frac{\frac{11}{4} }{\frac{1}{8}} \\\\\frac{11}{4} * \frac{8}{1} \\\\22$

22 people can get candy.

8 0

3 years ago

Read 2 more answers

Will mark brainliest

MrMuchimi

Answer:

i think addition

..........

Step-by-step explanation:

.

5 0

3 years ago

What is the y intercept of the line?

krek1111 [17]

1, it intersects on the line at 1

7 0

3 years ago

Read 2 more answers

Jack has 125 baseball cards. 50 cards are Astros players. What percent of Jack's cards are Astros players?

Lorico [155]

40 percent
Do 50/125 and you get 0.4 and that’s 40 percent.

5 0

3 years ago

Read 2 more answers

If tanx =√24 and cosx =−2√23, find sinx.

mylen [45]

Answer:

Step-by-step explanation:

sin(x)=cos(x) × tan(x)

=(-2√23)×(√24)

=(-2√23)×(2√6)

=(-4√138)

=(-4(2√(3×23)))

=(-8√69)

6 0

3 years ago