MATHEMATICS MIDDLE SCHOOL

tamelas school day is 6 3/4 hours. She has seven classes that are 3/4 hour long. How many hours is Tamela not in class while she is at school

Answers

Answer 1

Answer: One hour And 30 minutes

Answer 2

Answer:

Answer:

1 HOUR 30 MINS

Step-by-step explanation:

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Jimmy's 9th-grade class is made up of 223 students. He wants to know the average height for the students in his class, and he wants to use the census method to do this. What is the SMALLEST number of students he must measure?A) 10
B) 30
C) 100
D) 223

Answers

Answer: 223

Step-by-step explanation:

The census method is also known as a complete enumeration survey method where each and every individual in the given population is selected for the data collection.

Therefore, the SMALLEST number of students he must measure is the total number of students surveyed i.e. 223.

Hence, the SMALLEST number of students he must measure =223

I believe that the smallest number of students Jimmy can measure is 223, and I know this is right because one of my teachers had us do this probem and she said this was it.

James and Lisa are looking for a good neighborhood to raise their children. They want neighbors who have kids and who also rollerblade. They survey a random sample of residents in a neighborhood. The results are shown in the table.Dave, Aimee, and Mitch live in the neighborhood. Dave is focusing on his career and does not have children. Aimee has never rollerbladed, and all we know about Mitch is that he is very tall. Which of the statements are correct?

I. Probability that Dave is a rollerblader = 50%
II. Probability that Aimee does not have kids = 75%
III. Probability that Mitch is a rollerblader = 80.65%

Answers

The required, none of the statements are correct, as of the given conditions.

What is probability?

Probability can be defined as the ratio of favorable outcomes to the total number of events.

Here,
We are given a survey of a random sample of residents in a neighborhood who have kids and who also rollerblade. Let's denote the events as follows:

R: the event that a resident rollerblades

K: the event that a resident has kids

Based on the information given in the problem, we know that:

Dave does not have kids, so P(K) = 0 for Dave. Therefore, the probability that Dave is a rollerblader is 0, not 50%. So statement I is incorrect.

Aimee has never rollerbladed, so P(R) = 0 for Aimee. We don't know anything about whether Aimee has kids or not, so we cannot determine the probability that she does not have kids. So statement II is incorrect.

We don't have any information about whether Mitch has kids or not, so we cannot determine the probability that Mitch is a rollerblader. Therefore, statement III is also incorrect.

Therefore, none of the statements are correct.

Learn more about probability here:

brainly.com/question/14290572

#SPJ7

Answer:

1. dave has a low chance of rollerblading if he is focusing on his career.

Step-by-step explanation:

15 POINTS!!!!
__________

Please help me answer!!!
Is this answer correct?

Answers

Answer:

The answer is wrong. The real answer would be 1.25.

Step-by-step explanation:

You take the size of the first shape, 8, and multiply it by each scale factor, 0.8, 1.25, 2.0, and 18.0, to find which would equal 10.

In this case 8 x 0.8= 6.4, 8 x 1.25= 10, 8 x 2= 16, and 8 x 18= 144. Therefore making 1.25 the correct answer because 8 x 1.25= 10, which is the size of the second shape.

The answer is correct

What is the probability that a number selected at random from the set {2, 3, 7, 12, 15, 22, 72, 108} will be divisible by both 2 and 3 ?F. 1/4
G. 3/8
H. 3/5
J. 5/8
K. 7/8

Answers

Total amount of numbers in the set = 8 .

Total amount that are divisible by both 2 and 3 = 3 .

So the probability of picking one of them is 3/8 = 37.5 percent.

$|\Omega|=8\n |A|=3\n P(A)=(|A|)/(|\Omega|)\n P(A)=(3)/(8)$