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KatRina [158]
3 years ago
12

Shawn is coasting down a 500 cm long ramp on his inline skates. The wheels on his inline skates are 32 cm in circumference. How

many rotations does each wheel make while Shawn is coasting down the ramp? Plz help
Mathematics
1 answer:
damaskus [11]3 years ago
8 0

Answer:

16 rotations.  

Step-by-step explanation:

We have been given that Shawn is coasting down a 500 cm long ramp on his inline skates. The wheels on his inline skates are 32 cm in circumference.

To find the number of rotations we will divide length of ramp by 32 as distance covered by wheels in one rotation will be equal to 32 cm.

\text{Number of rotations}=\frac{\text{Total distance}}{\text{Circumference of wheel}}

\text{Number of rotations}=\frac{500}{32}

\text{Number of rotations}=15.625\approx 16

Therefore, each wheel must make 16 rotations while Shawn is coasting down the ramp.

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Answer:

I think the ans is

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Step-by-step explanation:

So the point of Q, 0 is the x1, -a is the y1, point P, b is the x2, while -c is y2.

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3 years ago
If f(x)=3x3+5x2-4, then what is the remainder when f(x) is divided by x-1
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Answer:

<h2>4</h2>

Step-by-step explanation:

If you divide a polynomial f(x) by a linear binomial (x - q), then a remainder is equal to f(q).

We have the polynommial:

f(x)=3x^3+5x^2-4

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x-1\to q=1

Calculate f(1)  <em>/substitute x = 1/:</em>

f(1)=3(1)^3+5(1)^2-4=3(1)+5(1)-4=3+5-4=4

3 0
3 years ago
Write the algebraic expression for... 16 less than a number n
jarptica [38.1K]

Answer: n-16

Step-by-step explanation:

The algebraic expression for 16 less than a number n is thesame thing as subtracting 16 from n which will be represented as: n - 16.

Therefore, the algebraic expression for 16 less than a number n will be = n - 16

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At the scene of a crime, the police have found a blood stain, a footprint, and some threads from a fabric. All are presumed to h
zubka84 [21]

Answer:

There is a 0.175% chance of finding such a person who has all three characteristics.

Out of 4,000 people, 7 people would likely to match all three characteristics.

Step-by-step explanation:

A crime has been committed and after analyzing the evidence, police has found out that:

  1. The criminal's blood type is a type found in only 10% of the population.
  2. The criminal's footprint is a size 13 men's shoe and only 7% of the population wears such shoe size.
  3. Only 25% of the population owns clothing made from a fabric that matches the thread samples found at the scene.

We required to find out the probability of selecting a random person who would match all of these characteristics.

Since it is given that the three characteristics are independent of each other then the required probability is  

P(all 3 characteristics) = P(1st characteristic)*P(2nd characteristic)*P(3rd characteristic)

P(all 3 characteristics) = (10/100)*(7/100)*(25/100)

P(all 3 characteristics) = 1750/1,000,000

P(all 3 characteristics) = 7/4000

P(all 3 characteristics) = 0.00175

P(all 3 characteristics) = 0.175%

So out of 4,000 people, 7 people would likely to match all three characteristics.

or

There is a 0.175% chance of finding such a person who has all three characteristics

3 0
3 years ago
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