02/23/16

A boat moves 7 km/h in still water. It travels 45 km upriver and 45 km downriver in a total time of 14 minutes. What is the speed of the current?
This is a word problem that I cannot figure out how to do. I really need help as I have a test soon.
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02/23/16

equilateral triangle is 5 centimeters more than the perimeter of a square and the length of the side of the triangle is 7 centimeters more than the length of th
the perimeter of an equilateral triangle is 5 centimeters more than the perimeter of a square and the length of the side of the triangle is 7 centimeters more than the length of the side of the... more
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02/23/16

Morgan had a bag of J.Ranchers, she counted 8 watermelon in a bag of 46. If she bought a super bag of 138 J.Ranchers, how many can she expect to be watermelon?
I've been having a lot of trouble with this question
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02/23/16

Statistics Question: 1,000 students were surveyed and asked how many online courses they have taken at UCF.
What is the probability a student has taken at least one online course?# of online courses     # of students         taken                0                125                1                428   ... more
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02/23/16

could someone help me find the GCF for this math problem?
12b+3   i know its 3 but what more else can i do with this math problem
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02/23/16

Algebra 1 help please
Use the point-slope from linear equation given to complete the following problems.... y+4=-4(x-2) 1. What is the slope of the given line? 2. What point does this line pass through, which is the... more
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02/23/16

The rectangular top of a table is three times as long as it is wide. Its width is 1 1/3 meters. Find the area of the table top.
I would like to know the answe.
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02/22/16

I need help figure out the question in the description bar
the cost of living last year went up 14% fortunately, Alice Swanson got a 14% rise in her salary from last year. this year she is earning 26,010. How much did she make last year
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02/22/16

Solve the equation x+49/x=14.
Solve the equationx+49/x=14.
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02/22/16

Solve the quadratic equation 3(x-2)2=21 by taking square roots.
Enter the exact solutions in increasing order. If there are no solutions, enter NA.
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02/22/16

calculate the slope
(5.01) We expect a car’s highway gas mileage to be related to its city gas mileage (in miles per gallon, mpg). Data for all 1137 vehicles in the government’s 2013 Fuel Economy Guide give the... more
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02/22/16

20% of 40 is what number?
finding the missing part
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02/22/16

when a fish is dried it becomes one third of its wieght. savi bought 2709kg of fish at the rate of 27 rs per kg, a
when a fish is dried it becomes one third of its wieght. savi bought 2709kg of fish at the rate of 27 rs per kg, and when dried she solds them at the rate of 97.5rs per kg how much did she earned?
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02/22/16

A solution has a density of 0.855 g/cm. What is the mass in kg of a 500mL sample of this solution?
A solution has 0.855 g/cm3. What is the mass in Kg of a 500mL sample of this solution?
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02/21/16

If there were 6 equal groups and other were 18 students in each group how many total students were there
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02/21/16

how do you Evaluate 3b-2a-9 when a=12 and b=7.
 Evaluate 3b−2a−9 when a=12 and b=7. annswer ???????????????
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02/21/16

physical science
Isotoes of an element have the same number of___.   a. neutrons but different numbers of protons   b. protons but different numbers of neutrons   c. neutrons and electrons   d. protons and... more
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02/21/16

Find, to the nearest minute, the solution set of 4 cos^2 x - 9 cos x + 2 = 0 over the domain 0° less then or equal to x < 360°
Find, to the nearest minute, the solution set of 4 cos^2 x - 9 cos x + 2 = 0 over the domain 0° less then or equal to x < 360°
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02/21/16

physical science
Two short-lived isotopes of an element are produced in a nuclear reaction. One of these isotopes has a mass of 5.3731 amu and accounts for 75.5% of the production. The remaining other isotope has a... more
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02/21/16

I need help with division!
Perform the following division (find the following quotient). (8x9+10x2+14x) /(143x)
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02/20/16

could someone help me with math? (fractions/like terms)
Perform the following additions and/or subtractions: (1/8v^3 −1/3v^2 −2v +2) − (9/4v^3 −1v^2+1/4v−2/3)   please help its too confusing
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02/19/16

scientific notation
express the following numbers in scientific notation:    1.) 123,876.3    2.) 1,236,840   Thanks your help :) 
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02/19/16

Solve the equation
0.25r - 0.125 + 0.5r = 0.5 + r
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02/19/16

An Older Person Is 4 Years Older than five times the age of a younger person.The Sum of their ages is 22.Find their ages.
Trying To Find Out The Sum Of Their Ages Having Trouble Finding And Figuring It Out I Need Help To Get This Question Answered.
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02/19/16

significant figures
How many significant figures does 4.6 X 10^5 m have ?  
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