Bob can row 14 mph in still water. The total time to travel downstream and return upstream to the starting point is 2.8 hours. If the total distance downstream and back is 36 miles, determine the speed of the river (current speed). Question solved general 10 months ago 2569
In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.03 margin of error and use a confidence level of 95%. Complete parts (a) through (c) below.A.) Assume that nothing is known about the percentage to be estimated.n=B.)Assume prior studies have shown that about 55%of full-time students earn bachelor's degrees in four years or less.n=c. Does the added knowledge in part (b) have much of an effect on the sample size? Question solved general 10 months ago 4070
Carly sold 18 rolls of wrapping paper. That is 2 times as many rolls as Jasmine sold, How many rolls of wrapping paper did they sell all together? Question solved general 10 months ago 5777
Bernard solved the equation 5x+(-4)=6x+4 using algebra tiles. Which explains why Bernard added 5 negative x-tiles to both sides in the first step of the solution? A) He wanted to create zero pairs on the left side of the equation to get a positive coefficient of x on the right side. B) He wanted to combine more negative tiles with the 4 negative tiles on the left side of the equation. C) He wanted to remove the larger coefficient on the left side of the equation. D) He wanted to have 10 x-tiles on the left side of the equation. Question solved general 10 months ago 1907
If x represents time, the average rate of change of a function f(x) in the first two seconds is____. Question solved general 10 months ago 4927
A recipe for oatmeal raisin cookies calls for 1 2/3 cups of flour to make 4 dozen cookies. How many cups of flour are needed to make 6 dozen cookies? Question solved general 10 months ago 7945
Richard borrowed $950 from his parents to make some repairs on his car. He promised to repay the loan by giving his parents at least $85 from his paycheck each week. Assuming richard sticks to his promise, which of the following is not a possible scenario for the amount of debt Richard has remaining? Question solved general 10 months ago 1672
Miguel needs to fix a window screen that is 23 feet above the ground. The ladder he uses makes a 75° angle with the ground. What is the shortest possible length of the ladder if the top of it is 23 feet off the ground? Round to the nearest whole number. Question solved general 10 months ago 5862
A fair charges $7.25 for admission and $5.50 for a ride pass. Ten friends visited the fair. Not all of the friends purchased ride passes. If their total cost was $105.50, how many friends purchased ride passes?tell me pls thank you Question solved general 10 months ago 1807
Jaime had $37 in his bank account on Sunday. The table shows his account activity for the next four days. What was the balance in Jaime’s account after his deposit on Thursday? Jaime’s Bank Acc.______________________| Day | Deposit | withdrawal || Mon| $17.42 | none || Tues| None | -$12.60 || Wed| None | -$9.62 || Thur| $62.29 | none |———————————————A) $57.48B) $59.65C) $94.49D) $138.93(I would really appreciate it if someone will help me) Question solved general 10 months ago 2361
Julie cashed a paycheck and repaid her brother $10 that she had borrowed from him. She then spent $30 on fuel for her car and half of the remaining money on a new tent for camping. She bought a pair of running shoes for $29.45 and had $17.75 left. How much did Julie receive when she cashed her paycheck? Question solved general 10 months ago 8235
The sum of two integers is 9 their difference is 5 what are the two integers Question solved general 10 months ago 8260
A coach needs both small and large cones to set up an obstacle course. The coach knows that there are fewer than 30 cones in the storage room. The coach needs at least a dozen large cones. Let x represent the number of small cones and y represent the number of large cones. Which inequalities model the situation? Select each correct answer. x+y≤30 x>0 x+y<30 y≥12y>12 Question solved general 10 months ago 9264
Katie is selling lemonade for $1.50 per cup she decides to put them on sale for $0.90 what percent discount did she give on her lemonade Question solved general 10 months ago 1032
When a particular machine is functioning properly, 80% of the items produced are non-defective. if three items are examined, what is the probability that one is defective? use the binomial probability function to answer this question? Question solved general 10 months ago 3920
Need a math person's help ASAP. Graph y+6=45(x+3) using the point and slope given in the equation.Use the line tool and select two points on the line. Question solved general 10 months ago 1298
The slope of the blue curve measures the plane's . the unit of measurement for the slope of the curve is . at point a, the slope of the curve is , which means that the plane is at a rate of feet per minute. at point b, the slope of the blue curve is , which means that the plane is at a rate of feet per minute. Question solved general 10 months ago 2803
Find the largest number which divides 149 and 101 , leaving remainder of 5 Question solved general 10 months ago 9320
If vx = 7.60 units and vy = -6.60 units, determine the magnitude of v⃗ . Question solved general 10 months ago 8147
Diep is saving money so he can buy a used car in 12 months. The total cost of the car he wants is $1,450. Diep determines that he needs to save $120 each month to be able to afford the car, as shown below.mc024-1.jpgWhat error did Diep make?There is a subtraction error. Diep will need to save less than $120 each month.There is a subtraction error. Diep will need to save exactly $121 each month.There is a multiplication error. Diep needs to save exactly $120.83 each month.There is a multiplication error. Diep needs to save an average of mc024-2.jpg each month. Some months he needs to save $120.83 and other months he needs to save $120.84. Question solved general 10 months ago 1074