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Ierofanga [76]
3 years ago
7

Three out of every five students wore green on St. Patrick's Day. What percent of the students wore green?

Mathematics
2 answers:
aivan3 [116]3 years ago
6 0
60% must be the right answer
attashe74 [19]3 years ago
6 0
3÷5=.6 move the decimal over 2 places so it's 60. So 60% of students word green. Hope this helps!!
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Mandy and Pete have a biased spinner numbered 1, 2, 3, 4, 5. They each want to find an estimate for the probability that the spi
kotykmax [81]

Answer:

Pete

Step-by-step explanation:

Given that:

Mandy's Estimate :

Number of spins , n = 20

Pete's Estimate:

Number of spins, n = 200

A good probability estimate is one which has narrow margin of error with a high degree of confidence. These two variables are affected by sample size.

A high sample size give a narrower margin of error and increases the confidence level probability

Based on the sample size used by each of Pete and Mandy, we can conclude that, Pete's probability estimate would be better due to its significantly higher sample size.

5 0
3 years ago
Given a circle with a diameter of 4, what is the circumference?
Bezzdna [24]

Answer is B) 4 pi

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4 0
4 years ago
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the volume of a rectangular pyramid is 4000 cubic ft. the area of the bases 40 sq ft. what is the height of the pyramid
Sidana [21]
1,000 cubic feet because the pyramid is 4000 cubic feet on an area base of 40.
3 0
4 years ago
19/10 rational or irrational ?
yarga [219]

Definition of a rational number:

A rational number is a number that can be written as fraction of integers.


19/10 is a fraction.

19 and 10 are integers.

19/10 follows exactly the definition of a rational number, so it is rational.

3 0
3 years ago
Sheena wants to measure the volume of a ball that is 24 cm across. How should she set up her equation?
Annette [7]

Answer:

The volume of the ball is V=2,304\pi\ cm^{3}  or  V=7,234.56\ cm^{3}

Step-by-step explanation:

we know that

The volume of the sphere ( a ball) is equal to

V=\frac{4}{3}\pi r^{3}

we have

r=24/2=12\ cm -----> the radius is half the diameter

substitute

V=\frac{4}{3}\pi (12)^{3}

V=2,304\pi\ cm^{3} ----> exact value of the volume

assume

\pi =3.14

substitute

V=2,304(3.14)=7,234.56\ cm^{3} -----> approximate value

7 0
3 years ago
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