Four students spend $12 on school lunch at this rate find the amount 10 students will spend on the same school lunch

Answers

Answer 1

Answer:

Answer:

10 students would spend $30.

Step-by-step explanation:

In order to find this, start by looking for the cost per student. We can do this by dividing the overall cost by the number of students.

$12/4 students = $3 per student.

Now we take that unit rate and multiply by the new number of students.

$3 * 10 students = $30 total spent.

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Write the equivalent expression to (5x - 3x^2) - (5x -2)

Answers

Answer:

-3x^2+2

Step-by-step explanation:

(5x - 3x^2) - (5x -2)

Distribute the minus signs

(5x - 3x^2) - 5x +2

Combine like terms

-3x^2 +5x-5x+2

-3x^2+2

2. You spin a spinner that has eight equal-sized sections numbered one to eight. Which event isleast likely to occur?
The number is even.
The number is less than three.
The number is greater than three.
The number is a multiple of five.

Answers

Answer:

Getting a multiple of 5 is the least likely outcome.

Step-by-step explanation:

We spin a spinner that has 8 equal-sized sections numbered 1 - 8.

We have to find which is the least likely to occur.

The number is even when outcomes are 2,4,6 or 8.

Number of outcomes = 4

If the number is less than 3, the number of possible outcomes are 2 that is 1 and 2.

If the number is greater than 3 , number of possible outcomes is 5 which are 4,5,6,7 and 8.

If the number is a multiple of 5, only 1 outcome is there which is 5 itself.

Hence getting a multiple of 5 is the least likely outcome.

What is the solution of the equation x − 8 = 17?
-9
9
25
27

Answers

The solution of the equation is 25 because 25-8 = 17.

from 5 employees at a company a group of 3 employees will be chosen to work on a project. how many different groups of 3 employees can be choosen?

Answers

The answer to the math question presented above would be 10. From 5 employees at a company a group of 3 employees will be chosen to work on a project, the number of different groups of 3 employees can be chosen is 10. You can have 10 different groups of threes in 5 employees.

Which of the quadratic functions listed is written in vertex form?

Answers

Answer:

A is the best answer.

Step-by-step explanation:

A is. It can be written as y [ or v] = -2(x + 3)^2 + 7 which is the pure form of a vertex equation.

C doesn't work since that is a linear function. Nothing is squared.

D doesn't work. That is just the way an ordinary quadratic is written. (Standard form).

B doesn't work. The quadratic is written in factored form.

ANSWER

$y - 7= - 2 {(x + 3)}^(2)$

EXPLANATION

The vertex form of a quadratic function is given by:

$y = a {(x - h)}^(2) + k$

From the given options, the first choice is

$y - 7= - 2 {(x + 3)}^(2)$

$y=- 2 {(x + 3)}^(2) + 7$

where a=-2, h=-3, and k=7.

Therefore the vertex is (-3,7)

Hence the first choice is the correct option.

How many ways can a gymnastics team of 4 be chosen from 9 gymnasts?

Answers

You have 9 gymnasts and want to make a team of 4. Say one out of the nine is chosen; eight are left. Take one, then seven, and two more can be chosen. Keep doing this and your team is full. So, it's 9*8*7*6 which equals 3,024, since order doesn't matter.

Answer:

3,024 in not correct...it's 126

Step-by-step explanation:

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