A marathon is 26 miles 385 yards long. That is about 1.4 times 10 to the 5th power feet. How many feet long is half a marathon? Question solved general 11 months ago 2900
The revenue from selling x shirts is r(x) = 15x.The cost of buying x shirts is c(x) = 7x + 20.The profit from selling x shirts is p(x) = r(x) – c(x).What is p(x)? A. p(x) = 22x – 20 B. p(x) = 22x + 20 C. p(x) = 8x – 20 D. p(x) = 8x + 20 Question solved general 11 months ago 2761
A package of 5 pairs of insulated gloves costs 29.45 what is the cost of a single glove? Question solved general 11 months ago 2347
A woman 5 ft tall walks at the rate of 3.5 ft/sec away from a streetlight that is 12 ft above the ground. at what rate is the tip of her shadow moving? at what rate is her shadow lengthening? ⇒ Question solved general 11 months ago 3321
A swimming pool can be filled by either or both of two pipes of different diameters. it takes the smaller pipe twice the time that the larger pipe takes to fill the pool. if water flows through both pipes it take 213 hours to fill the pool. how long will it take the larger pipe to fill the pool? [hint: let x be the amount of the pool filled by the small pipe in one hour] Question solved general 11 months ago 5479
A typical running track is an oval with 74-m-diameter half circles at each end. a runner going once around the track covers a distance of 400 m . suppose a runner, moving at a constant speed, goes once around the track in 1 min 40 s. what is her centripetal acceleration during the turn at each end of the track? Question solved general 11 months ago 1179
A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of Question solved general 11 months ago 2912
Evaluate the line integral, where c is the given curve. (x + 9y) dx + x2 dy, c c consists of line segments from (0, 0) to (9, 1) and from (9, 1) to (10, 0) Question solved general 11 months ago 3276
How is the distance formula like the pythagorean theorem explain? Question solved general 11 months ago 4989
The table gives estimates of the world population, in millions, from 1750 to 2000. year population year population 1750 790 1900 1650 1800 980 1950 2560 1850 1260 2000 6080 (a) use the exponential model and the population figures for 1750 and 1800 to predict the world population in 1900 and 1950. compare with the actual figures Question solved general 11 months ago 5888
Use spherical coordinates. evaluate (x2 + y2) dv e , where e lies between the spheres x2 + y2 + z2 = 1 and x2 + y2 + z2 = 25. Question solved general 11 months ago 9629
The probability that an individual is left-handed is 0.16. in a class of 10 students, what is the mean and standard deviation of the number of left-handers in the class? Question solved general 11 months ago 4623
What value of z divides the standard normal distribution so that half the area is on one side and half is on the other? round your answer to two decimal places? Question solved general 11 months ago 3399
At city high school,the sophomore class has 60 more students than the freshman class.the junior class has 50 fewer students than twice the students in the freshman class.the senior class is three times as large as the freshman class.if there are a total of 1,424 students at the city high school,how many students are in the freshman class? Question solved general 11 months ago 1060
Name the set(s) of numbers to which 1.18 belongs.a. rational numbersb. rational numbers, irrational numbersc. natural numbers, whole numbers, integers, rational numbers Question solved general 11 months ago 2197
Write the equation in spherical coordinates. (a) 4z2 = 5x2 + 5y2 (b) x2 + 3z2 = 4 Question solved general 11 months ago 8013
When performing today's experiment, your lab partner decides to add all the reagents into one beaker instead of two separate beakers. after adding everything together and waiting a significant amount of time, you see no reaction occur. what was the problem? Question solved general 11 months ago 7992
What is the point slope form of a line with slope 4/5 that contains the points -2,1 Question solved general 11 months ago 6682
A cereal manufacturer decides to offer a new family-sized box based on the regular-sized box. They want the volume of the family-sized box to be three times the volume of the regular-sized box. However, they want the length of the family-sized box to be the same as the regular-sized box. If they decide to double the width to create the family-sized box, by what factor must they increase the height? Question solved general 11 months ago 7812
HELP PLEASE!!!!!Find the radius of a circle if a central angle of 3π/2 intercepts an arc of 26.4 centimeters.0.19 cm3.14 cm5.6 cmFind the measure of a central angle that intercepts an arc of 81.5 cm in a circle whose radius is 16.3 cm.5 rad16 rad65 radFind the arc length intercepted by a central angle of 3π/4 radians in a circle whose radius is 18.4 inches.13.8π15.2π24.5π Question solved general 11 months ago 8512