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Tutors Answer Your Questions about Evaluation Word Problems (FREE)
Question 1020139: Write and solve an inequality.
To cover a rectangular region of her yard, Penny needs at least 135 square feet of sod. The length of the region is 13.5 feet. What are the possible widths of the region? Let the width be x.
The inequality is ?
Click here to see answer by CubeyThePenguin(3113)   |
Question 998093: The Revenue "R" in dollars received for selling x electronic components is R(x) = 2x (50-x)
a. Evaluation R(30) and interpret the result
b. What number of components sold would maximize the revenue?
c. What would be the maximum revenue?
And using the information, how many electronic components should be sold for the revenue to be $800 or more?
Click here to see answer by CubeyThePenguin(3113) |
Question 1165636: A drug is administered to a patient, and the concentration of the drug in the blood-stream is monitored. At time t≥1 (in hours since giving the drug), the concentration (in mg/L) is given by the function below. How long does it take for the concentration to drop below 0.3 mg/L
Click here to see answer by CubeyThePenguin(3113) |
Question 1095418: During Christmas season the student gov't association was able to solicit 2356 grocery items and was able to distribute 2198 to one barangay. If this group decided to distribute 1201 grocery items to the next baragay, how many more grocery items did they need to solicit?
Click here to see answer by CubeyThePenguin(3113) |
Question 1003793: We are driving diagonally cross country from Portland, OR, to a city Southeast in the USA. We know that the midpoint of our drive can be represented as (x1 + x2)/2 ,(y1 + y2)/2 . If we know that x1 = 500 & y1 = 200, what would be the midpoint if y1 = 300 y2 = 600? (and we require (x1 + y1 ) = (x2+ y2))
Click here to see answer by CubeyThePenguin(3113) |
Question 996740: The city of Auburn is hosting a 4th of July parade. The city council purchased enough small American flags to account for ten more than twice the number of residents in the city. Write an expression to represent the total number of flags compared to city residents? Then calculate the number of flags needed if there are 6,254 residents of the city of Auburn.
Click here to see answer by CubeyThePenguin(3113) |
Question 988826: Politics.If 10,355 people voted for a politician in his first election,12,370 voted for him in his second election and 7,302 voted for him in his first and second elections, how many people voted for him in his first or second election?
Click here to see answer by CubeyThePenguin(3113) |
Question 1021684: You have 60 feet of fencing to fence in part of your backyard for your dog. You want to make sure that your dog has 400 square feet of space to run around in. The back of your house will be used as one side of the enclosure.
A. Write equations in terms of l and w for the amount of fencing and the area of the enclosure.
Click here to see answer by CubeyThePenguin(3113) |
Question 1030662: Catelyn and Gabriel work at a furniture store. Catelyn is paid $195 per week plus 6.5% of her total sales in dollars, x, which can be represented by g(x)=195+0.065x. Gabriel is paid $943 per week plus 2.5% of his total sales in dollars, x, which can be represented by f(x)=943+0.025x. Determine the value of x, in dollars, that will make their weekly pay the same.
Click here to see answer by CubeyThePenguin(3113) |
Question 987133: The cost of operating an appliance varies jointly the number of watts drawn, the hours of operation and the cost per kilowatt-hour. At 1.75 per kilowatt-hour, how much would it cost when a 500-watt waffle iron operates for 45 minutes?
Click here to see answer by CubeyThePenguin(3113) |
Question 987133: The cost of operating an appliance varies jointly the number of watts drawn, the hours of operation and the cost per kilowatt-hour. At 1.75 per kilowatt-hour, how much would it cost when a 500-watt waffle iron operates for 45 minutes?
Click here to see answer by ikleyn(52765)  |
Question 1176540: The function f(x) = 9/5 𝑥 + 32 converts temperatures from x degrees in Celsius
to y degree in Fahrenheit. The g(x) = 5/9 (𝑥 − 32) converts temperatures from
x degrees in Fahrenheit to y degrees in Celsius.
a. Find (f o g) (x)
b. (g o f) (x)
Click here to see answer by Solver92311(821)  |
Question 1176539: Rowena works as a saleslady in SM Department
Store. As one of her benefits, she receives 25%
employee discount on her purchases at the store.
During the End of the Month Sale, Rowena bought
a skirt that was on sale for 40% off. The original
price of the skirt is ₱450.00. How much did Rowena
pay?
Click here to see answer by Solver92311(821) |
Question 1176607: A piece of wire 20 ft long is cut into two pieces. One piece is bent into the shape of a circle and the other one into
the shape of square. How should the wire be cut so that
a. the combined area of the two figures is as small as possible?
b. the combined area of the two figures is as large as possible?
Click here to see answer by math_helper(2461)  |
Question 1176612: A bakery has a total cost function of c(x)= 5x + 3000 and total revenue
function of R(x)= 15x.
a. Find the equation of the profit function for a certain type of bread.
b. Find the profit for 500 pieces of bread.
Click here to see answer by ewatrrr(24785)  |
Question 1176609: You pull out the plug from the bathtub. After 30 seconds, there are 45 liters
of water left in the tub. One minute after you pull the plug, there are 37 liters left. Assume that the number of liters has a linear relationship with the time since the plug was pulled. At what time will there be 26 liters of water left in the tub?
Click here to see answer by ewatrrr(24785) |
Question 1179165: Henry is taking a multiple choice test with a total of 50 points available. Each question is worth exactly 5 points. What would be Henry's test score (out of 50) if he got 2 questions wrong? What would be his score if he got xx questions wrong?
Click here to see answer by MathLover1(20849)  |
Question 1180116: "We're hungry!" yelled Martina's sister and brothers. "Where are the pancakes?" Martina didn't pay any attention. She was trying to figure out how to measure out 24 ounces of milk. She had 3 different cans, marked 12
ounces, 6 ounces, and 4 ounces. Each can had just one number marked on it. How many different ways could Martina measure 24 ounces of milk? Write to help explain your best thinking using words, numbers, or pictures.
Click here to see answer by greenestamps(13196)  |
Question 1180324: A 15-foot long ladder is leaning against a wall. The bottom is initially 8 feet away from the base of the wall, but is being pushed towards the wall at a rate of 2 feet per second. How fast is
the top of the ladder moving up the wall?
Click here to see answer by greenestamps(13196) |
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