Wilson Middle School is selecting students to be in the spring festival show. There are 5 roles left but there are 9 students interested in the roles.How many combinations of the nine students can be chosen for the five remaining roles?

A. 136
B. 126
C. 45
D. 14

Answers

Answer 1

Answer: C. 45

9x5=45 combinations

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Answers

So for this you must ignore the student with 2.

then you see how many in order

1-6 siblings
1-5 siblings
2-3 siblings

add up the left coulumn to get 4 people have more than 3 siblings

Ashley brought 7/8 gallon of lemonade to the party.Her friends drank 2/3 of it. How many gallons of
lemonade did they drink?

Answers

Ashley's friends of Ashley drank 7/12 gallons of lemonade.

What is a fraction?

A fraction is a part of the whole represented by a/b, where a and b are any integers

Given that, Ashley brought 7/8 gallons of lemonade to the party, and her friends drank 2/3 of it, therefore,

Her friend drank = 2/3of 7/8

=2/3 ×7/8

= 7/12

Hence, Ashley's friends of Ashley drank 7/12 gallons of lemonade.

Learn more on fractions here:

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7/8 - 2/3 = 5/24 is the correct answer of the question

Hirva ate 5/8 of a medium pizza Elizabeth ate 1/4 of the pizza how much pizza did they eat all together?

Answers

I’m pretty sure this is 7/8!

One rate of an equivalent ratio is 9/n. Select two other rates, one that can be solved using equivalent fractions, and the other that can be solved with unit rates

Answers

The values given is not sufficient.
However, the rates could 18/2n or 90/10n

In essence, rate is comparison between ratios. While ratio is comparison between two or more numbers. Further, ratio on one hand, involves numbers either in amount, size, measurement, degrees, percentages or fractions with the absence of specific unit of measurement. On the contrary, rate is comparing quantities, amounts or unit of events happened expressed in a specific measurement or expressed under time. Take for instance, an example, Joe eats 2 while John eats 4 meals in a day. The ratio can be Joe: John, 2:4 meals. While the rate, is Joe eats 2 meals/day and John 4 meals/day.

Fifth grade 120 dollars Sixth grade 180 dollars Seventh grade 240 dollars Eighth grade 300 dollars. a.Write three statements that the principal could makewhen comparing the goals each grade has set. b. The teachers set a goal of $225. Write two statements the principal could use to compare this goal to the eighth graders' goal

Answers

The statements that the principal could make when comparing the goals each grade has set are: 7th-grade plan to raise double the 5th grade, 6th-grade plan to raise $(3)/(2)$ 5th grade.6th-grade plan to raise $(2)/(3)$ of 8th grade.

How do we compare numbers?
A comparison statement is, in general, just a statement that compares two quantities or values. For instance, "If we add x apples to 3 apples, then the total number of apples is less than 10 apples" or "Mary's height is the same as Milly's height."

In the given question, we have:

The amount with 5th grade is 120 dollars

The amount with 6th grade is 180 dollars

The amount with 7th grade is 240 dollars

The amount with 8th grade is 300 dollars

So, When we double that with 5th grade will be 240 dollar

Hence, The first statement can be a 7th-grade plan to raise double the 5th-grade.

Similarly,

If we multiply $(3)/(2)$ by the amount of 5th grade, we get 180 dollars.

and, when we multiply two-thirds of the 8th-grade amount, we get 180 dollars.

Hence, The three statements that we can write are:

7th-grade plan to raise double the 5th grade.

6th-grade plan to raise $(3)/(2)$ 5th grade.

6th-grade plan to raise $(2)/(3)$ of 8th grade.

(b)The two statements that could use to compare the goal to 8th graders are:

6th-grade plan to raise $(2)/(3)$ of 8th grade.

8th-grade plan multiplied by $(4)/(5)$ gives 7th grade plan.

When we multiply 300 by $(4)/(5)$ the amount we get 240 dollars.

Hence, The statement that the principal could use to compare the goal to the 8th grader's goal is:

6th-grade plan to raise $(2)/(3)$ of 8th grade.

8th-grade plan multiplied by $(4)/(5)$ gives 7th grade plan.

To learn more about comparing numbers visit:

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1. The higher the grade, the higher the goal2. The goal increases by 60$ each time3. All the goals are bigger than 100$

Sarah wrote that (3^5)^7 = 3^12. Correct her mistake. Write an exponential expression using a base of 3 and exponents of 5,7,12 that would make her answer correct.