Agroup of college students is volunteering for homes for the community during their spring break. they are putting the finishing touches on a house they built. working alone, wade can paint a certain room in 5 hours. rhonda can paint the same room in 6 hours. how long will it take them working together to paint the room? round your answer to the nearest hundredth if necessary.

2.72 hours

Step-by-step explanation:

Let's call while it takes Wade to paint the room

Let's call while it takes Rhonda to paint the same room.

Then we know that:

.

Let's call it t as it takes Rhonda and Wade to paint the same room working together.

Now we use the following formula to calculate t.

If they work together they will be able to paint the room in 2.72 hours

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,