21 students in Michael classroom or wearing jeans there are 25 students in his class Michael says that 80% of his class is wearing Jean is Michael correct explain your reasoning

Answers

Answer 1

Answer: no. the answer is 84%

to get decimals, take what you have and divide it by the whole.

21/25= 0.84 move the decimal over 2 spots to get 84%

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Which one is greater 0.64 or 7over 10

Answers

7 over 10 is that what you mean

7/10 in the calculator is 0.7 so it is greater than 0.64

There are 2/5 as many vans as cars and 2/3 as many vans as motorbikes in a parking lot. What is the ratio of the number of vans to the total cars and motorbikes?

Answers

1/2 because you have to add 2+2 = 4 and then put that over 5+3 = 8 which is 4/8 simplyfied as 1/2 or 1:2

What are the dimensions if the poster is enlarged by a factor of five over two ?7.5 ft by 30 ft
15 ft by 60 ft
1.5 ft by 6 ft
15 ft by 6 ft

Answers

7.5 x 30, 5/2 x 3 is 7.5, and 5/2 times 12 is 30

Answer:

the awnser is A 7.5 ft by 30ft

Step-by-step explanation:

5/2 of 3 is 7.5 since 5/2 as a decimal is 2.5 so do 2.5 x 3

then 5/2 of 12 would be 30 since again 5/2 as a decimal would be 2.5 so 2.5 x 12

Given that the first term is LaTeX: t_1=2t 1 = 2, and the recursive definition is LaTeX: t_{n+1}=3^{\left(t_n\right)}t n + 1 = 3 ( t n ), what would be the 2nd term (LaTeX: t_2t 2).

Answers

*100% CORRECT ANSWERS

Answer:

the correct answer is 9

Step-by-step explanation:

took the test and it was correct

Garth estimated the height of the door to his classroom in meters .What is a reasonable estimate?

Answers

Solution:

The three units of measurement that we use in day to day life is ,Centimeter, Meter and Kilometer.

Centimeter being the smallest, and Kilometer largest when comparison is made between three.

1 meter= 100 cm

1 kilometer= 1000 meter= 100000 centimeter

If we measure the height of Door of classroom in centimeters suppose it is approximately 223 cm, it is better to convert it into a better unit of measurement which is higher than centimeter ,as 100 cm is equal to a meter. So, instead of writing 223 cm it is better to write 2.23 m, neither 0.223 Km.So, if the number lies between 100 cm ≤number <100,000 cm, convert it into meters by dividing the number by 100, which is best units of measurement.

The most reasonable answer would be 2 meters since two meters equals about 6 feet.

A cone has a diameter of 30 in. and a slant height of 17 in. What is the approximate volume of the cone?

Answers

we need to find the height of the cylinder
pythagorean theorem
15 is the bottom leg (30/2=15)
17 is hypotonuse
b=height
15^2+b^2=17^2
225+b^2=289
minus 225 both sides
b^2=64
sqrt both sides b=8

Vcone=(1/3)hpir^2
d/2=r=30/2=15
h=8
V=(1/3)8pi15^2
V=(1/3)8pi225
V=8pi75
V=600pi
aprox pi=3.14159256
V=1884.955536 in^3
round if nececary

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