05/02/17
The radioactive element carbon -14
The radioactive element carbon -14 has a half life of 5750 years. A scientist determined that the bones from a nation has lost 80.2% of their carbon -14. How old were the bones at the time they...
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05/02/17
the area of a regular hexagon is 18(radical 3) square inches. Find the length of the radius.
my answer is 40.73 in^2. i would like to know if that's correct
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05/02/17
a rectangular box has a height of 7 inches and a volume of 336 cubic inches. the lenght of the box is three times the width.
write a equation that represents the volume
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05/02/17
Please help
find the x- intercepts of the graph of the function y=-x^2+6x+2
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05/02/17
Word problem
AN airplane is sighted at the same time by two ground observers who are 2 miles apart and both directly west of the airplane. They report the angles of elevation at 11 degrees and 20 degrees. How...
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05/02/17
Math problems
Log x=-4 find the exact solution to the equation
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05/02/17
How many bacteria will there be after 6 hours?
The number of bacteria in a culture is increasing according to the law of exponential growth. After 3 hours, there are 400 bacteria, and after 5 hours, there are 1600 bacteria. How many bacteria...
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05/02/17
John worked 14 days out of a 31-day month. What fraction of the month did he work?
John worked 14 days out of a 31-day month. What fraction of the month did he work?
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05/02/17
In a game, a player earns 100 points for each question answered correctly interns -30 points for each question answered incorrectly.
The player answered 14 questions correctly and six questions incorrectly. I am asked to write a numerical expression to represent the total number of points the player earned. I am also asked for...
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05/02/17
Find the dimensions of the open rectangular box of maximum volume
Find the dimensions of the open rectangular box of maximum volume that can be made from a sheet of cardboard 43 in. by 23 in. by cutting congruent squares from the corners and folding up the sides....
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05/02/17
Type the slope-intercept form of the equation of the line
write an equation in slope-intercept form of the line satisfying the given condition. The line passes through (3,-5) and is parallel to the line whose equatio is Y=2x+4
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05/02/17
What is the length of an arc with a central angle of 4/3 pi radians and a radius of 42 cm?
What is the length of an arc with a central angle of 4/3 pi radians and a radius of 42 cm? Use 3.14 for pi. Round to the nearest hundredth, if necessary. Enter answer as a decimal.
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05/02/17
true or false In poetry, a dactylic foot is made up of two unstressed syllables followed by a stressed syllable, such as "CLOSE to the.
i don't know how to do this and i need help!!!!!!
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05/01/17
By 1830 Texas had more Americans than Mexicans
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05/01/17
How many hours did he pay to have the bike checked out
oceanside bike rental shop charges 14 dollars plus 6 dollars an hour for renting a bike. Keith paid 68 dollars to rent a bike.
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05/01/17
If csc(x)=5, then sin (x/2)
between 90 and 180 degrees what is the half angles of sin cos and tan
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05/01/17
I am working on lateral and total surface area of prisms. Can someone helpmeet with my homework?
A cube shaped block has edges that are 3 inches long. A larger block has edges that are twice as long. Compare the surface area of the smaller block to the surface area of the larger block....
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05/01/17
John bikes for 2 hours at a speed of 15 miles per hour. How many hours will it take Shannon to cover the same distance at a speed of 10 mi/h?
mehmehmehmehmehmehmehmehmehmehemh
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05/01/17
Writing a multi-step equation for a real-world situation
Leila takes classes at both Westside Community College and Pinewood Community College. At Westside, class fees are $98 per credit hour, and at Pinewood, class fees are $115 per credit hour. Leila...
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05/01/17
The weight of a whole pizza is 24 ounces more than the weight of one third of the pizza. The whole pizza weighs how many ounces?
solve the equation using logic
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05/01/17
A printer can print 27 pages in 4.5 minutes. How much time does it need to print 324 pages?
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05/01/17
Does the system have solutions, and if so, how many? 2x−y=1 −6x+3y=2
plz help help help
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05/01/17
20 of the 50 people he surveyed like strawberry best how many of the 3500 residents in the town would you expect to like strawberry best
Its hard and i need help or imma fail
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05/01/17
three reasons why Queen Eleanor was justified in helping her sons rebel against their father?
this is from the the life of queen eleanor
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