There are 16 boys and 12 girls in mr..harts science class. He wants to form as many groups as possible for a project. All the groups must be the same size, with the same number of boys and the same number of girls in each group. What is the greatest number of groups mr. Hart can make? How many boys and how many girls will be in each group?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:there are only 12 girls so that is the only amount of groups to be formed

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If the discriminant of a quadratic equation is 4, which statement describes the roots?

3 3/4 divided by 5/7

Answers

The answer is in the image below and the steps are also in one of the images too.

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Select the correct answer. Simplify the following expression. x-2/3 times x 6/7

Answers

Answer: Correct Answer is X 4/21

Step-by-step explanation: I got it right

Answer:

4/7

Step-by-step explanation:

In 1970, 36% of first year college students thought that being "very well off financially is very important or essential." By 2000 the percentage had increased up to 74%. These percentages are based on nationwide multistage cluster samples.a) Is the difference important? Or does teh question make sense?
b) Does it make sense to ask if the difference is statisically significante? Can you answer on the basis of the informations given?
c) Repeat b), assuming the percentages are based on independant simple random samples of 1,000 first year college students drawn each year.

Answers

Answer:

a. The difference is important but the question does not make sense

b. Yes, it makes sense to ask if the difference is statistically significant.

c. Please check explanation

Step-by-step explanation:

From the question, we identify the following relation;

$H_(o)$ : $P-P_(1)$ = 0

$H_(A)$ : $P-P_(1)$ ≠ 0

a) The difference is important as asked, but the cultural atmosphere difference of over 30 years makes the question somehow not making sense

b) Yes, it makes sense. In order to answer, it is necessary to know the sample size of the year 2000 survey.

We can answer the question on the basis of the information given.

c) We proceed here as follows;

α = 0.05 , $Z_(alpha/2)$ = 1.96 ( This is the critical value)

Thus, z = (0.74-0.36)/√(0.36-0.64)/1000 = 25.03

We make the following conclusions; Since 25.03 > 1.96, the null hypothesis $H_(o)$ is rejected which means that the proportion of people who think being well officially is important has changed since 1970.

A television is 28.5 inches wide and 16 inches long.Using the Pythagorean Theorem, what is the length of the diagonal of the television, rounded to the nearest inch?

Answers

Answer:

33 in

Step-by-step explanation:

The Pythagorean theorem tells you ...

diagonal² = length² +width²

diagonal² = (16 in)² +(28.5 in)² = 1068.25 in²

diagonal = √(1068.25 in²) ≈ 32.684 in

The diagonal of the television is about 33 inches.

A student sales neckslaces to earn eztra money. She charged $10 per necklace for material and $2.75 per hour to make unique gifts. How much would two necklace cost together if one takes her an hour to make and the other three hoursto make?