01/06/17
Banking Word Problem
A bank has loaned out $500,000, part of it at 6% per annum and the rest of it at 11% per annum. If the bank receives $43,750 in interest each year, how much was loaned at 6%?
01/06/17
what is the level in wet well?
a wet well is 4 feet wide and 6 feet long. Approximately how far down should the level in the wet well be lowered in 4 minutes by a pump with a rated capacity of 200 GPM?
01/05/17
An investigator interviewed 100 students to determine their preferences for the three drinks milk coffee and tea. He reported the following.
An investigator interviewed 100 students to determine their preferences for the three drinks milk coffee and tea. He reported the following, 10 students had all the three drinks, 20 had milk and...
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01/05/17
Qualitative analysis
A saturated solution of KCl was prepared at X°C. If 30cm3 of this solution required 22.5cm3 of silver trioxonitrate (iv) solution, containing 34g in 100cm3 solution, for complete precipitation,...
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it is about a square and area
Points E and F are chosen on sides BC and AB respectively of the square ABCDso that the lines DE and DF divide the square into three regions of equal area. Thesides of the square have length 1,then...
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01/03/17
if x is 6 less than y and y is twice of z then what is the value of x when z = 2
dont know how to write out equation
01/03/17
The simple interest in 3 years and the compound interest in 2 years on a certain sum at the same rate are Rs 1200 and Rs 832 respectively. Find the rate of inte
Compound interest question
01/02/17
Which light bulbs are cheaper per hour of light production?
Carlos and John were at Wal-Mart to buy some light bulbs. They narrowed down their search to two different kinds of bulbs. The generic brand of light bulbs cost $5.00 for 4 bulbs and each bulb will...
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01/01/17
Rate of current
A boat takes 8 hours to go 6 miles upstream and come back to the starting point. If the speed of the boat is 4 miles per hour in still water, what is the rate of the current
01/01/17
How do I figure out this word problem?
The sum of two numbers is at least 13. Their difference is less than negative one. Identify three numbers that satisfy the requirememts.
01/01/17
Systems of equations
You and your nine friends have decided to take a few days to go camping. You are planning a recreational budget of $50 per day for activities. One day your group is consis the nearby amusement...
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Value of an Annuity
Suppose that an employee contributes $100 to an annuity at the end of each month for 25 yrs. If the annuity earns 7%,a. Determine the value of the annuity at the end of the 25-yr period.b. How much...
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12/29/16
What are the expected winnings?
A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 75 cents each, find the expected winnings for a person buying 1 ticket.
12/28/16
Define term relative density,and alculate the density of steel inS.I units,if the mass of 4m*3 of steel is 12600 kg
physics test questions
12/28/16
I have doubt in derivation of the relation between Ka and Kb in ionic equilibrium topic
While deriving the relation between Ka and Kb in ionic equilibrium topic, say I take an example of NH4+ + H2O ----> NH3 + H3O+ ......(1)Ka of this reaction is : [NH3][H3O+]/[NH4+][H2O]Now NH3 is...
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12/22/16
If the equation of a line is written in standard form, Ax + By = C, the slope is -A/B and the y-intercept is C/B. Explain why.
I need the answer for my cyber class been stuck for hours
12/22/16
A parachute jumper waits five seconds before opening his chute. How far had he fallen in this free fall time?
I don't understand what I'm supposed to do
12/22/16
the circumference of the base of 16 m high solid cone is 33 m .find the surface area of the cone
Do stepwise calculation for better understanding
12/20/16
Laudromat cost
Roberto and Maria Santanos spend approximately $11.50 per week to wash and dry their family's clothes at a local coin laundry. A new washer and dryer would cost them a total of $805. How many weeks...
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12/20/16
How many boys and girls in math club?
The word problem is: The math club has 40 boys and girls in it. There is 5 less girls than 2 times the boys. Write a system of linear equations that represents this situation. How many boys and...
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12/20/16
The perimeter of a rectangle is 76 cm. The length of the rectangle is 2 cm more than twice the width. Find the dimensions of the rectangle
I can't figure this out please help I would need work for it too.
12/20/16
Probability
Suppose 40% of a large population of registered voters favor the candidate John. A random sample of n=5 voters will be selected, and X, the number favoring John out of 5, is to be observed. What is...
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12/19/16
An apple is 85% water. If an apple contains 187 mg of water, find the weight of the apple
Find the weight of the apple with 85% water and 187 mg of water
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