1) If the sum of the squares of five numbers is 165 and their variance is 8. What is the mean of numbers?

Q: 33. The distance that a bicycle travels in 1 min varies directly as the number of revolutions per…

A: Given: The distance that a bicycle travels in 1 min varies directly as the number of revolutions per…

Q: particle travels 3 x 10 centimeters per second in a straight line for 5 x 105 seconds. How many…

A:

Q: 10.A candle is 8.5 inches tall when it has been burning for 6 hours at a rate of 4 in. per hour. a.…

A: Given: Rate of the burning of the candle= 0.25 inches/ hour Length of the candle after 6 hours= 8.5…

Q: A random study of 50 people finds that 12 people in the sample are over 6' tall.  What is the…

A: We have to find proportion for given data.

Q: Calculate on the maximum percentage error in the volume of the cylinder-shaped oil barrel if the…

A:

Q: 2 A hydro-electric power station is supplied from a reservoir having an area of 48 km² and a head of…

A: In this question, the given details are, A hydro-electric power station is supplied from a…

Q: a)How quickly is the water leaving the barrel over the first two seconds? b)Will the water drain…

A: The solution is given below in the next step:

Q: 2) Water is pouring into an inverted cone at the rate of 8 cubic me- ters per minute. If the height…

A: Given that Height of cone h=12 m radius of its base r=6 m rate of pouring water into cone dVdt=8 m3

Q: 2) A patient is prescribed a dose of 9.000 units/kg of penicillin every six hours. 400,000 units of…

A: Solution is given below:

Q: 0. When a circular shield of bronze is heated over a fire, its area increases at a rate of…

A:

Q: 36. The area of a picture projected on a wall varies directly as the square of the distance from the…

A: a) Let the proportionality constant be k , area be A and distance be d . The equation can be written…

Q: 3. What is the signal to noise ratio, if: a) the received signal power is 0.02 m and the noise power…

A: As we know that signal to noise ratio is expressed in dB. And it is written as (S/N)dB =…

Q: 4. A 1.8m tall person casts a 4 m long shadow. How long a shadow will a 2.4 m tall person cast…

A: Given 1.8m  person = 4 m shadow Since ratio of height of person and shadow will be constant

Q: 17. A boat is being pulled toward a dock as shown in the figure. If the rope is being pulled in at 3…

A: Follow the procedure given below.

Q: 9. A bicycle has tires that are 26 inches in diameter. The while in motion, the tires rotate through…

A: Given  Diameter of tires = 26 inches

Q: 4.) A baby can crawl at a rate of 42 yards in three minutes. How many feet can the baby crawl in two…

A: Given that  A baby can crawl at a rate of 42 yards in three minutes.  To find Number of feet can the…

Q: 3. What did the field in Figure 5-3 cost if it sold for $6,225 per acre? 4,225 ft 1,800 ft 5,000 ft

A: Area=sum of bases2* height

Q: 13. Two airplanes depart from the same place at 2:00 p.m. One plane flies south at speed of 376…

A:

Q: 2) A physician orders a drug to be administered to a patient weighing 36 lbs. The dose is 55 mg/Kg…

A: Given question is A physician orders a drug to be administered to a patient weighing 36 lbs. The…

Q: During a heavy rainstorm, a city in Florida received 129 nches of rain 25 hours. What is the…

A: As Florida receives 1214=494 inches of rain in 2512=512 hours, the approximate rainfall rate in…

Q: If a plain travels 414 miles in 3/4 of an hour how many 8les per hour is the plane goiing

A:

Q: 8.) A baby can crawl at a rate of 42 yards in three minutes. How many feet can the baby crawl in two…

A: