03/11/17

1-1/cos^2beta

Simplify the following expression using the fundamental identities. Enter the fully simplified answer.

Integration

The equation of a curve is y=x4+4x+9.   (i.)  Find the coordinates of the stationary point on the curve and determine its nature. (ii.) Find the area of the region enclosed by the curve, the... more

03/11/17

In a survey, 58% of people carry a water bottle. If 5 people are selected randomly, what is the probability that 4 of them will be carrying a water bottle?

I don't know how to apply the 58% to the randomly selected people... 

Word problem

Each course at Pease County Community College is worth either 3 or 4 credits. The members of the men's swim team are taking a total of 48 courses that are worth a total of 155 credits. How many... more

01/27/17

3x3 - 3x2 - 4x + 3 divided by x + 3

We're doing division of polynomials, and I'm really confused on how to do it

What is the difference between the average speed and average velocity?

A car travels 95km to the north at 70.0 km/h, then turns around and travels 21.9 km at 80.0 km/h. What is the difference between the average speed and the average velocity on this trip?

01/26/17

Find the distance between the chord and the center of a circle if the radius is 26m and the chord is 48m long.

I'm using acellus and every answer I put in is wrong

01/26/17

D=R x T help

Two trains leave Columbus simultaneously traveling on the same track in opposite directions at speeds of 50 and 73 mph. How long will it take before they are 430.5 miles apart

The meeting had 30 people, which is three-fifths of the club. How many people are in the club?

 I just need an answer to this. I just don't know how to go about solving it.

01/26/17

Find the domain

    1      x2-4x-5

01/26/17

Which of these shapes have rectangular cross sections when they are cut perpendicular to the base?

rectangular prism, triangular prism, cylinder, cone, square pyramid, triangular prism.

How many liters of grape juice must be added to 14 liters of OJ to make a drink that is 16H% grape juice?

How many liters of grape juice must be added to 14 liters of OJ to make a drink that is 16% grape juice?

01/18/17

shima bought 2 pens and 3 notebooks for $k.If each pen cost $4,how much did each notebook cost in terms of k

I REALLY NEED THE ANSWER. MY TEACHER (WHO IS NUTS) ASK MY CLASS TO GET THIS QUESTION CORRECT :(

01/18/17

A plane travels 2853km in 7 hours with a tailwind, but only 1827km with a headwind in the same time.

Find the speed of the plane, and the speed of the wind

01/17/17

Density of gas is .737g/ml. You pump 7.2 gallons of gas. How much mass did you add to the car in kilograms?

Density of gas is .737g/ml. You pump 7.2 gallons of gas. How much mass did you add to the car in kilograms?

01/17/17

Alebra question Detaiols below

I don't even know how to start this problem.   Company A has a plan that costs $4 per month for up to 200 messages sent or received. Each additional message costs $0.17. Under this plan, how... more

01/17/17

Word Problem

There are 25 students in my class. 17 said they would go trick or treating this year, 20 said they would go to a haunted house and 4 would not do either. How many students will do both this Halloween? more

01/16/17

2/3+1/3(1/4f-4/3)

find equivalent expressions by using the distributive property and simplify      

01/16/17

How to calculate how much to add to a number, then subtract 20% to get to the original number

I get an allowance for travel at my work. New rules says it is now taxable. My work says they will increase my allowance by 20%, I don't agree. Example, current allowance is $1000.00. The tax is... more

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