What is the confidence level (written as a percentage) for the interval x overbar minus 2.14 sigma divided by startroot n endroot less-than-or-equal-to mu less-than-or-equal-to x overbar plus 2.14 sigma divided by startroot n endroot? Question solved general 4 months ago 4406
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with mean 12521252 and standard deviation 129129 chips. (a) what is the probability that a randomly selected bag contains between 11001100 and 14001400 chocolate chips? (b) what is the probability that a randomly selected bag contains fewer than 10001000 chocolate chips? (c) what proportion of bags contains more than 12001200 chocolate chips? (d) what is the percentile rank of a bag that contains 10501050 chocolate chips? Question solved general 4 months ago 2576
1, if the point (4,3) lies on the linear equation 3x-ky=6, find the value of k2, find whether(2,-6) lies on the same line ?3, find the ordinate of the point lies on the above line whose abscissa is zero Question solved general 4 months ago 2660
Ben wants to join a fitness club. The fitness club charges an initial membership fee of $49.50 and a monthly fee of $17.50.Question 1Part ABen has $172 to spend on a membership at the fitness club. How many months can Ben be a member of the fitness club?Ben has enough money to be a member of the fitness club for months. Question 2Part BBen’s company will pay $300.00 each year toward his fitness club membership. Ben thinks he will have to pay $40.50 for his membership his first year. Is he correct?Use the drop-down menus to explain your reasoning.The total cost for a membership at the fitness club for the first year is $________. Ben's company will pay $300.00 each year, so Ben will have to pay $________ for his membership the first year. Ben’s thinking is_______ . Question solved general 4 months ago 3805
I scream for ice cream sells specialty ice cream in three flavors: rocky road, peanut butter, and fruity tooty. it sold 17,000 gallons last year. for every five gallons of ice cream sold, one gallon is fruity tooty and the remainder is split evenly between peanut butter and rocky road. fixed costs for i scream for ice cream are $7,500 and additional information follows: rocky road peanut butter fruity tooty sales price per gallon $6.00 $5.00 $5.25 variable cost per gallon $5.25 $4.50 $4.00 the breakeven sales volume in gallons for i scream for ice cream is Question solved general 4 months ago 5453
Mr. Tortelli left at 8:00 a.m. and is traveling 50 miles per hour. Mrs. Hart left at 9:00 a.m. and is traveling at 60 miles per hour. If Mr. Tortelli and Mrs. Hart are traveling the same direction, what time will it be when Mrs. Hart is at the same location as Mr. Tortelli? Question solved general 4 months ago 6484
The measure of the angle formed by two tangents to a circle is 80. What are the measures of the intercepted arcs? Question solved general 4 months ago 8093
Write the equation, in slope-intercept form, of the line passing through the origin and the point $(-4,3)$. Question solved general 4 months ago 4682
The dimensions of a conical funnel are shown below: A conical funnel is shown with the height of the cone as 7 inches and the radius of the base as 3 inches. Betty closes the nozzle of the funnel and fills it completely with a liquid. She then opens the nozzle. If the liquid drips at the rate of 14 cubic inches per minute, how long will it take for all the liquid in the funnel to pass through the nozzle? (Use π = 3.14.) Question solved general 4 months ago 1898
A cone has a radius of 40 cm and a volume of 1875. what is the volume of a similar cone with a radius of 16 cm Question solved general 4 months ago 1868
We believe that 90% of the population of all calculus i students consider calculus an exciting subject. suppose we randomly and independently selected 21 students from the population. if the true percentage is really 90%, find the probability of observing 20 or more of the students who consider calculus to be an exciting subject in our sample of 21. Question solved general 4 months ago 4660
The function h(t)=-4.92t^2+14.69t+575 is used to model an object being tossed from a tall building, where h(t) is the height in meters and t is the time in seconds. Rounded to the nearest hundredth, what are the domain and range? Question solved general 4 months ago 7057
Yolanda is planning to put a pool in her backyard. The scaled model below gives the reduced measures for diameter and depth. Not drawn to scale. The yard space is large enough to have a pool that has a diameter of 27 feet. If Yolanda wants to keep the pool in proportion to the model, what will be the depth of the pool? a. 4.5 feetb. 5 feetc. 6 feetd. 6.75 feet Question solved general 4 months ago 2937
The grass in jamie yard grew 16 centimeters in 10 days. it growing at a constant rate how many days did the grass to grow 1 centimeters Question solved general 4 months ago 2720
Trapezoid ABCD is isosceles, with AB = CD. If m∠DAB = 80°, what is m∠BCD? a.80° b.100° c.115° d.125° Question solved general 4 months ago 1717
What is the area of △RST?Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth. Question solved general 4 months ago 6642
What is the area of this triangle?Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth. Question solved general 4 months ago 9747
how many 1-inch cubes do you need to fill a cube that has an edge length of 1 foot?How can this result help you convert a volume from cubic inches to cubic feet? from cubic feet to cubic inches? Question solved general 4 months ago 4926
The length of a rectangle is 5 ft less than twice the width, and the area of the rectangle is 33 ft2 . find the dimensions of the rectangle. explanation Question solved general 4 months ago 7169