02/06/22
How to solve question b?
In a shop, all prices were reduced by 30%. After reduction, a suit was sold at $78.40.(a) Calculate the selling price of the suit before reduction.(b) If the selling price before reduction was 28%...
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A chemist has 30% and 60% solutions of acid available...
A chemist has 30% and 60% solutions of acid available. How many liters of each solution should be mixed to obtain 480 liters of 31% acid solution? ____liters of 30% acid_____ liters of 60% acid
Joy needs to mix a 10% acid solution with a 50% acid solution to create 200 millileters of a 14% solution. ..
Joy needs to mix a 10% acid solution with a 50% acid solution to create 200 millileters of a 14% solution. How many millileters of each solution must Joy use?Answer: Joy must mix _____millileters...
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You need a 70% alcohol solution...
You need a 70% alcohol solution. On hand, you have a 270 mL of a 15% alcohol mixture. How much pure alcohol will you need to add to obtain the desired solution?You will need _____mL of pure...
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You need 75 mL of a 85% alcohol solution. On hand, you have a 75% alcohol mixture...
You need 75 mL of a 85% alcohol solution. On hand, you have a 75% alcohol mixture. How much of the 75% alcohol mixture and pure alcohol will you need to obtain the desired solution?You will...
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The Nutty Professor sells cashews for $6.60 per pound and Brazil nuts for $4.40 per pound...
The Nutty Professor sells cashews for $6.60 per pound and Brazil nuts for $4.40 per pound. How much of each type should be used to make a 34 pound mixture that sells for $5.05 per pound?...
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You need a 55% alcohol solution...
You need a 55% alcohol solution. On hand, you have a 220 mL of a 90% alcohol mixture. How much pure water will you need to add to obtain the desired solution?You will need______ mL of pure waterto...
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A coffee distributor needs to mix a(n) Kona coffee blend that normally sells for...
A coffee distributor needs to mix a(n) Kona coffee blend that normally sells for $9.40 per pound with a Queen City coffee blend that normally sells for $12.90 per pound to create 80 pounds of a...
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You have one type of candy that sells for $1.90/lb and another type of candy that sells for $8.90/lb.
You have one type of candy that sells for $1.90/lb and another type of candy that sells for $8.90/lb. You would like to have 49 lbs of a candy mixture that sells for $4.20/lb. How much of each...
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Find a point on 2x+6y=12 such that the distance from the x-axis is twice the distance from the y-axis.
Find a point on 2x+6y=12 such that the distance from the x-axis is twice the distance from the y-axis.
02/05/22
Find the rate at which the population is growing when t = 5. (Round your answer to two decimal places.)
A population of 420 bacteria is introduced into a culture and grows in number according to the equation below, where t is measured in hours. Find the rate at which the population is growing...
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02/05/22
Homework 7 section 5.1 (Homework)
Evaluate the function to answer the question.The height h, in feet, of a ball that is released 5 ft above the ground with an initial upward velocity of 90 ft/s is a function of the time t, in...
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02/05/22
sample variance
5-55-5-5145Calculate the value of the sample variance. Round your answer to one decimal place.
02/05/22
distribution and deviation
Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.61 and a standard deviation of 0.45. Using the empirical rule, what...
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02/05/22
math linear equations
the perimeter of a rectangular parking lot is 298m if the width of the parking lot is 67m what is its length?the area of a rectangular pool is 4664m2 if the length of the pool is 88m what is its...
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02/05/22
Determine the following question.
Determine whether there exist any values of x in the interval [0, 2𝜋) such that the rate of change of f(x) = sec x and the rate of change of g(x) = csc x are equal. (Enter your answers as a...
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