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Ball bearings or roller bearing
They are made in various designs to reduce friction. They reduce friction because rolling friction is smaller than sliding friction. These bearings are also lubricated to further improve their function. ..
They are made in various designs to reduce friction. They reduce friction because rolling friction is smaller than sliding friction. These bearings are also lubricated to further improve their function. ..There are 20 bears in a zoo. What will be their population after 3 yea..
There are 20 bears in a zoo. What will be their population after 3 years, if the population doubles each year? => 160 bears or 260 bears or 60 bears or 210 bears..
Take a guess at what might be the most probable weight of a polar bea..
Take a guess at what might be the most probable weight of a polar bear. => 1,000 milligrams or 1,000 tons or 1,000 pounds or 1,000 grams..
Cards numbered 1 through 25 are put in a hat. A card is picked up at r..
Cards numbered 1 through 25 are put in a hat. A card is picked up at random. What is the probability that it bears a number, which is a multiple of 5? => 2 5 or 3 4 or 1 5 or 1 4..
Which combination of bills would you need to buy the teddy bear?
Which combination of bills would you need to buy the teddy bear? => two $10 bills and two $5 bills or one $10 bill and one $5 bill or one $10 bill and two $5 bills..
The letters M, A, T, and H are written on cards and put in a bag. What..
The letters M, A, T, and H are written on cards and put in a bag. What is the probability that a card drawn from the bag bears the letter 'T' on it? => 33% or 25% or 50% or 75%..
The number of teddy bears with Sandy and her friends Maria and Leah ar..
The number of teddy bears with Sandy and her friends Maria and Leah are shown in the line plot. Who has the maximum number of teddy bears? => Sandy or Maria and Sandy or Maria or Leah..
The letters C, O, M, P, E, T, I, T, I, O, N are written on cards and p..
The letters C, O, M, P, E, T, I, T, I, O, N are written on cards and put in a hat. One card is selected at random. What is the probability that the card selected bears a consonant? => 4 11 or 2 11 or 5 11 or 6 11..
Identify the best estimate for the weight of the teddy bear.
Identify the best estimate for the weight of the teddy bear. => heavier than 1 kilogram or about 1 kilogram or lighter than 1 kilogram..
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