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Question 1169730: The pay for a mathematics major graduating from college is given by the formula P = 47 , 500 + 2 , 550 t , where t represents years worked after college. How many years would a mathematics major expect to work to be earning at least $ 100 , 000 per year? Round to 1 decimal place.
Click here to see answer by ikleyn(52781)

Question 1169748: solve the following pair of equations graphically.
2x - 3y = 1
1.25x + 0.5y = 3

Click here to see answer by Solver92311(821)

Question 1169748: solve the following pair of equations graphically.
2x - 3y = 1
1.25x + 0.5y = 3

Click here to see answer by ikleyn(52781)

Question 1169709: for each of the following, give the amplitude, the period, and describe any vertical or horizontal shifts away from the origin(i.e. from the standard parent graph)
2a f(x) = -2sin[3(x-pi/2)] + 4
b. f(x) = -cos(2x -pi/4) -3
c. f(x) = 2tan(x/3) -1
d. f(x) = -sec(pi- 5x)
Click here to see answer by ikleyn(52781)

Question 1169754: A tank containing 50 litres of water develops a leak and loses water at a constant rate. After 20 minutes it contains 40 litres. After further 30 minutes the tank is 5% of its full capacity. Determine the tank's capacity.
Click here to see answer by josgarithmetic(39617)

Question 1169753: The sum of the ages of Paul and Peter is 24. Five years ago their respective ages were in the ratio of 3:4. How old will they be in three years time?
Click here to see answer by josgarithmetic(39617)

Question 1169752: A tank containing 50 litres of water develops a leak and loses water at a constant rate. After 20 minutes it contains 40 litres. After further 30 minutes the tank is 5% of its full capacity. Determine the tank's capacity.
Click here to see answer by ikleyn(52781)

Question 1169718: Nicole borrowed $8000 at a rate of 6%, compounded semiannually. Assuming she makes no payments, how much will she owe after 5 years? Do not round any intermediate computations, and round your answer to the nearest cent.
Click here to see answer by Theo(13342)

Question 1169747: solve the following pair of simultaneous equations.
3/5x - 4y = -1
0.8x - 3.5y = 1/2
Click here to see answer by ankor@dixie-net.com(22740)

Question 1169747: solve the following pair of simultaneous equations.
3/5x - 4y = -1
0.8x - 3.5y = 1/2
Click here to see answer by MathTherapy(10552)

Question 1169769: What is the sale price on a painting that has a regular price of $1,800 and is on sale for 25% off the regular price?
Click here to see answer by Solver92311(821)

Question 1169770: If K(-1, 2), L and N (1, -1) are vertices of angle KLN such that KLN=78.69°, KL intersects the axis at P, KL is produced. The inclination of KN is 0. The coordinates of M are (-3, -5). Calculate
(a) The gradient of KN
(b) The size of 0, the inclination of KN
(c) Show that the gradient of KL is equal to 1
(d) Determine the equation of the straight line KL in the form of y=mx + c
Click here to see answer by Solver92311(821)

Question 1169797: The month rent of a flat this year is $32000 less than three times the monthly rent of last year. If the monthly rent this year is $4000 more than that of last year, find the monthly rent of last year and this year.
Click here to see answer by ikleyn(52781)

Question 1169987: You have 6 liters of a pineapple juice blend that has 50% pure pineapple juice. How many
liters of pure pineapple juice needs to be added to make a juice blend that is 75% pineapple
juice?

Click here to see answer by josgarithmetic(39617)

Question 1170011: a sink can be filled from the faucet in 5 minutes. it takes only 3 minutes to empty the sink when the drain is open. if the sink is full and both the faucet and drain are open, how long will it take to empty the sink?
Click here to see answer by greenestamps(13200)

Question 1170046: a tour bus leaves sacremento every friday evening at 5:00 pm for a 270 mile trip to las vegas. this week, however, the bus leaves at 5:30 pm. to arrive in las vegas on time, the driver drives 6 mph faster than usual. what is the buses usual speed ?
Click here to see answer by ikleyn(52781)

Question 1170045: the current of a river is 2 miles per hour. a boat travels to a point 8 miles upstream and back again in 3 hours. what is the speed of the boat in still water ?
Click here to see answer by josgarithmetic(39617)

Question 1170078: Ms. Smith has part of $1240 invested at 9% and the rest at 6.5%. If the annual return from the two investments is the same, how much is invested at each rate?
Click here to see answer by ikleyn(52781)

Question 1170083: The length of a rectangle is 10cm. longer than its width. Its area is 200 cm2. Which
equation can be used to find the length and the width?

Click here to see answer by josgarithmetic(39617)

Question 1170087: Which of the following is the GCF of 44x2y3z2 and 88xyz2?
a. 11xyz b. 44xyz2 c. 12x3y

Click here to see answer by ikleyn(52781)

Question 1170086: What must be added to X2+25 to make it a perfect square trinomial?

Click here to see answer by ikleyn(52781)

Question 1170084: pls help me ((x+3)(x+5))/(x+2)>=0
Click here to see answer by greenestamps(13200)

Question 1170084: pls help me ((x+3)(x+5))/(x+2)>=0
Click here to see answer by josgarithmetic(39617)

Question 1170144: A group of 200 people is spending five days on a group bicycle tour. The company ordered 15 bottles of water for each adult and 11 bottles of water for each child. A total of 2,564 bottles of water were ordered.
Click here to see answer by ikleyn(52781)

Question 1170154: A television set that originally cost $5500 was reduced in price by successive discounts of 15%, 30% and 20%. What was the equivalent single rate of discount?

Click here to see answer by ikleyn(52781)

Question 1170158: I have these things in advanced Grade 10 math called "Drills". How is 45 degrees+cscθ equalling square root of 2? Or 60 degrees+cosθ is 1/2? When I put it in my calculator I got 0.5, but how are they getting fractions and roots? Thanks.
Click here to see answer by ikleyn(52781)

Question 1170170: Chris has bought 350 feet of fencing to build a rectangular pen. Using your answer in the previous question, which of the following represents area A in terms of the width w?
Click here to see answer by ikleyn(52781)

Question 1170196: susie walked 1.4 miles in 24 minutes. covert this to yards per hour
Click here to see answer by josgarithmetic(39617)

Question 1170195: an inlet pip can fill a pool in 10 hours and the drain can empty it in 15 hours. if the pool is 1/3 of the way full and both the inlet and the drain pipes are open, how long will it take to fill the rest of the pool?
Click here to see answer by josgarithmetic(39617)

Question 1170183: Among the ingredients in a recipe for a sweet dessert are 2 1/2 cups of regular sugar and 1/4 cup of brown sugar. The directions indicate that this will serve 8 people. If there will be 12 people to serve, how much of each type of sugar will be needed?
Click here to see answer by josgarithmetic(39617)

Question 1170197: a tour bus leaves sacramento every friday evening at 6:00 pm for a 270 mile trip to las vegas. due to mechanical problems the bus will be leaving at 6:30 pm today. to arrive in vegas at the same time, the driver must go 6 mph faster than usual. what is the buses normal speed ?
Click here to see answer by Boreal(15235)

Question 1170218: YOU HAVE $1,000,000. GROWING AT 2.75% PER YEAR AND WITHDRAWING 4% PER YEAR, HOW MUCH MONEY WILL YOU HAVE IN 25 YEARS
Click here to see answer by ikleyn(52781)

Question 1170261: tim can finish painting a barn in 10 hours. it takes his wife jo ann only 8 hours to do the same job. if they work together how long will it take them to complete the job?
Click here to see answer by josgarithmetic(39617)

Question 1170260: A person is riding a Ferris wheel with a diameter of 80 feet. If a ride all the way around the circle takes 90 seconds, how fast is the rider traveling in miles per hour?
Click here to see answer by VFBundy(438)

Question 1170288: 4. prove that cos x /1-secx = -cot x(1+cosx)
Click here to see answer by greenestamps(13200)

Question 1170307: Chris has bought 350 feet of fencing to build a rectangular pen. Using your answer in the previous question, which of the following represents area A in terms of the width w?
THE ANSWER IN PREVIOUS QUESTION IS L=175-W
Click here to see answer by Boreal(15235)

Question 1170308: Chris has bought 350 feet of fencing to build a rectangular pen. Using your answer in the previous question, what is the area if the width is 85?
the answer in the previous question is A(w)=175w-w^2
Click here to see answer by Boreal(15235)

Question 1170310: (piecewise function)
You have a big extended family, and every Christmas you are wearing a customized family shirt. And every year you recorded that there is an initial charge of Php 300 to create the silk screen. Php 80.00 per shirt for orders of 50 or fewer shirts. Php60 per shirt for orders of more than 50 shirts, how much will it cost if you order 54 shirts?

Click here to see answer by josgarithmetic(39617)

Question 1170348: it takes dave 12 hours to create a sculpture of a dolphin. it takes his buddy rowdy 9 hours to create the same sculpture. if they work together how long does it take dave and rowdy to create this amazing work of art?
Click here to see answer by Boreal(15235)

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