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Question 1109088: If (-5, -5) is the endpoint of a line segment, and (-10, -7) is its midpoint, find the other endpoint

Click here to see answer by greenestamps(13200)

Question 1109172: How do I plug this problem into My calculator so I can solve?
Jane wants to buy a photocopier. The salesman has the following information on 3 models. If all 3 are used, a specific job can be done in 50 minutes. If copier A operates for 20 minutes and copier B for 50 minutes, one-half the job is finished. If copier B operates for 30 minutes and copier C for 80 minutes, three-fifths of the job is done. Which is the fastest copier, and how long does it take for this copier to finish the whole job?
Click here to see answer by josmiceli(19441)

Question 1109199: You are at a river resort and rent a motor boat (for 5 hours) at 7am. You are told that the boat will travel 8mph upstream and 12mph downstream . You decided that you would like to go as far up river as you can, and still be back at noon. How far from the resort will you be when you turn back? What time should you turn back?
Also find the speed of the boat and the speed of the current.
Click here to see answer by josmiceli(19441)

Question 1109224: Find the angle between the hour and the minute hand of a clock at 0320 hours.
Click here to see answer by josmiceli(19441)

Question 1109224: Find the angle between the hour and the minute hand of a clock at 0320 hours.
Click here to see answer by ikleyn(52781)

Question 1109230: Hello, I need help with this question, please!
When a manufacturer makes 700 units it costs $2,500. When they make 1200 units, it costs $4,000. Assuming the cost is linear, and they sell the product for $50 per unit.
Find the profit function and use it to find the break-even point.
Click here to see answer by josmiceli(19441)

Question 1109250: My problem...y=x^2+5 . I am supposed to graph this equation... so I make a function graph. X^2......does not follow normal integer rules to get my ordered pairs. I chose -2,-1,0,1,2.......I get (-4+5)=-2 FOR X AND 1 FOR Y.....the answer should be a positive 4 FOR X...to make a curved line on my graph...but then why is X not in parentheses?????? like, -2^2=-4 and (-2)^2= 4. Please help ..my understanding with this.. Thank-you...very confused.
Click here to see answer by Alan3354(69443)

Question 1109249: The help i need is on Perimeters and Diagonals.

Click here to see answer by Fombitz(32388)

Question 1109276: The national mean SAT score in math is 550. Suppose a high school principal claims that the mean SAT score in math at his school is better than the national mean score. A random sample of 72 students finds a mean score of 574. Assume that the population standard deviation is σ=100. Is the principal's claim valid? Use a level of significance of α=0.05.
A) Compute the test statistic for this analysis. Round your answer to 3 decimal places.
B) Determine the P-value based on the test statistic. Round your answer to 3 decimal places.

Click here to see answer by Boreal(15235)

Question 1109289: Which one of the following best defines the notion of "the P-value of a hypothesis test?"
A)The probability of a type I error.
B)The probability of a type II error.
C)The probability of rejecting H0, whether it's true or not.
D)The probability of obtaining a test statistic at least as extreme as the one you calculated, assuming the null hypothesis is true.
Click here to see answer by Boreal(15235)

Question 1109308: the length of a parking lot is 3 yards more than the width. If the area of the parking lot is 40 square yards, find the dimensions of the parking lot
Click here to see answer by Alan3354(69443)

Question 1109313: a rectangular photograph has an area of 40 inches. If the width of the photograph is 3 inches less than its height, find the dimensions of the photograph
Click here to see answer by ikleyn(52781)

Question 1109347: A 13-foot ladder is leaning against a vertical wall. Let h be the distance from the floor to the top of the ladder, and x be the distance from the wall to the base of the ladder. Write h as a function of x. Hint: Use the Pythagorean Theorem!
Click here to see answer by josgarithmetic(39617)

Question 1109348: Carlos coffee shops makes a blend that is a mixture of two types of coffee. Type A coffee costs Carlos $5.55 per pound, and type B costs $4.25 per pound. This months blend used twice as many pounds of type B coffee as type A, for a total cost of $407.45. How many pounds of type A coffee we�re used?
Click here to see answer by josgarithmetic(39617)

Question 1109373: A rectangular field is 80 meters long and N meters wide. A scale drawing of the field is N centimeter long and 5 centimeter wide . Find N

Click here to see answer by KMST(5328)

Question 1109359: 1. Suppose an ice cream costs twice as much as a chocolate. If the ice cream costs x rand, how much, in terms
of x, does the chocolate cost?
2. Refer to question 4 above.
Suppose John buys a chocolate and an ice cream. How much, in terms of x, does he pay for them?
3. Refer to questions 4 and 5 above.
How much change will John receive if he pays with a R50 note for the chocolate and ice cream? (Assume
that the cost of a chocolate and an ice cream is less than R50.)

Click here to see answer by josgarithmetic(39617)

Question 1109490: Show a table that represents: y=1/2 * 2^x
x y
Click here to see answer by Alan3354(69443)

Question 1109490: Show a table that represents: y=1/2 * 2^x
x y
Click here to see answer by math_helper(2461)

Question 1109489: find the balance in an account with $4,250 principal earning 3% interest compound quarterly after 12 years. Round your answer to the nearest hundredth. Please show steps.
Click here to see answer by Alan3354(69443)

Question 1109509: Find the component form AND the magnitude of the vector v with initial point (1, 11) and terminal point (9, 3).
Thanks!
Click here to see answer by ikleyn(52781)

Question 1109550: What number can you add to and subtract from 129 such that the sum
is twice the difference?
Click here to see answer by ikleyn(52781)

Question 1109534: How long will it take to triple your money at a nominal interest rate
j1 = 12% if simple interest is allowed for part of a year?
Click here to see answer by Alan3354(69443)

Question 1109589: Use a reference rectangle and the rule of fourths to draw an accurate sketch of the following function through at least one full cycle.
y=1/2 cos t
Click here to see answer by Alan3354(69443)

Question 1109580: Use the characteristics of f(t) = sin t to find the value of sin t when t= (5pi/3+18pi)
A. sin t =√3/2
B. sin t =1/2
C. sin t =-1/2
D. sin t =-√3/2
Click here to see answer by Alan3354(69443)

Question 1109358: Melissa takes classes at Westside community college and Pinewood community college. At Westside, class fees are $98 per credit hour, and at Pinewood class fees are $115 per credit hour. Melissa is taking a combined total of 19 credit hours at the two schools .
Suppose that she is taking W credit hours at Westside. Right and expression for the combined total dollar amount she paid for her class fees.
Click here to see answer by Theo(13342)

Question 1109346: An inverted conical water tank with a height of 12 feet and a radius of 6 feet contains water. What is the volume, V, of the water in the tank, if the depth of the water is h feet? Hint: Let r be the radius of the surface of the water, then find a relationship between r and h.
Click here to see answer by Alan3354(69443)

Question 1109647: Jon has quarters, dimes, and nickels in his pocket. The value of his money is $1.75. There are two more dimes than quarters and twice as many nickels as dimes. How many nickels does he have?
Click here to see answer by josgarithmetic(39617)

Question 1109691: A projectile is fired from the ground with initial velocity of 960 ft/sec, at an angle of 30� above the horizontal. If the height as a function of time t is given by h(t)=480t�16t^2, find its maximum height.
Click here to see answer by Alan3354(69443)

Question 1109623: SHOW THAT = 1
Click here to see answer by Edwin McCravy(20055)

Question 1109707: A person purchased a $143, 712 home 10 years ago by paying 10% down and signing a 30-year mortgage at 11.7% compounded monthly. Interest rates have dropped and the owner wants to refinance the unpaid balance by signing a new 30-year mortgage at %6.6% compounded monthly. How much interest will refinancing save?
Thank you in advance

Click here to see answer by Theo(13342)

Question 1109824: A couple wishes to borrow money using the equity in their home for collateral. A loan company will loan them up to 70% of their equity. They puchased their home 9 years ago for $70,391. The home was financed by paying 15% down and signing a 15-year mortgage at 9.3% on the unpaid balance. Equal monthly payments were made to amortize the loan over the 15-year period. The net market value of the house is now $100,000. After making their 108th payment, they applied to the loan company for the maximum loan. How much (to the nearest dollar) will they receive?

Thank you in advance.
Click here to see answer by jim_thompson5910(35256)

Question 1109800: A stall in Divisoria bought 225 blouses at PhP15,750. 25 of these blouses were sold at a mark-up of 150% based on cost, 175 pieces were
sold at a mark-up of 75% of the cost, 10 pieces were sold during a clearance sale at PhP80 each and the remaining blouses were sold at
20% below cost. Assuming that the blouses all cost the same,
A. How much did each blouse cost?
B. What was the amount of mark-up realized on the purchase?
C. What was the percent mark-up based on the selling price?
Click here to see answer by JulietG(1812)

Question 1109697: Hello Tutors, I will appreciate it if you help me solve this question. Thank you in advance.
A couple wishes to borrow money using the equity in their home for collateral. A loan company will loan them up to 70% of their equity. They puchased their home 9 years ago for $70,391. The home was financed by paying 15% down and signing a 15-year mortgage at 9.3% on the unpaid balance. Equal monthly payments were made to amortize the loan over the 15-year period. The net market value of the house is now $100,000. After making their 108th payment, they applied to the loan company for the maximum loan. How much (to the nearest dollar) will they receive?
Click here to see answer by Theo(13342)

Question 1109870: Kara categorized her spending for this month into four categories: Rent, Food, Fun, and Other. The amounts she spent in each category are pictured here.
Rent
$389
Food
$311
Fun
$233
Other
$467

What percent of her total spending did she spend on Rent? Answer to the nearest whole percent.

Click here to see answer by stanbon(75887)

Question 1109869: Margo borrows $1300, agreeing to pay it back with 4% annual interest after 13 months. How much interest will she pay?
Round your answer to the nearest cent, if necessary.
Click here to see answer by stanbon(75887)

Question 1109865: basit took acertain amount from a bank as aloan at the rate of 8%per annum simple interest and give the same amount to ahmad as a loan at 12% per annum simple interest.if at the end of 12 years he made the profit of 320 in the deal.what was the origional amount
Click here to see answer by stanbon(75887)

Question 1109891: A payday loan store charges $45 for a one-month loan of $600. What annual interest rate is this equivalent to?
Click here to see answer by Boreal(15235)

Question 1109888: The price of a table is y naira and the price of a matching chair is 1/3 the price of the table if a customer pays 28000 naira for the two items,find the price of the table
Click here to see answer by Boreal(15235)

Question 1109898: suppose you invest $4300 in an account that ears 6% intrest, and you let it grow for 12 years. About how much would you expect to have after those 12 years? Use rule 72.
Click here to see answer by josgarithmetic(39617)

Question 1109917: What is the value of v in the formula v=23t when t=1 1/4? 2 1/2? 3 1/4? 5 1/4? 5 1/2?
Click here to see answer by stanbon(75887)

Question 1109920: The dimensions of a cuboid ate acm, acm,2acm. Write an expression for the surface area in terms of a. The surface area is 1000cm. Calculate the value of a. Calculate the volume of the cuboid
Click here to see answer by Boreal(15235)

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