MATHEMATICS MIDDLE SCHOOL

Which property of multiplication is shown by the equation f•8=8f?

Answers

Answer 1

Answer:

The required property for $f\cdot 8=8f$ is the commutative property of multiplication.

It is given that,

$f\cdot 8=8f$

Explanation:

According to the commutative property of multiplication, if $a,b$ are two real values, then

$a\cdot b=b\cdot a$

Using the commutative property of multiplication,

$f\cdot 8=8\cdot f$

$f\cdot 8=8f$

Thus, the required property is the commutative property of multiplication.

Learn more:

brainly.com/question/13050443

Answer 2

Answer: That's is the commutative property of multiplication

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Please help ASAP. PRE ALGEBRA

What two numbers multiply to 126 and add to 23

Answers

First, list the factors of 126. Keep going until you find a set of factors that adds to 23.

1 and 126
2 and 63
3 and 42
6 and 21
7 and 18
9 and 14

The numbers are 9 and 14.

Corey bought 2 1/2 liters of paint for$60

what was the cost per liter of paint.

Answers

we know that

Unit Rate is the ratio of two measurements in which the second term is $1$

we have

$2(1)/(2)\ liters=(2*2+1)/(2)=(5)/(2)\ liters$

Corey bought $(5)/(2)\ liters$ of paint for $\$60$

by proportion

Find the cost of one liter of paint

$(60)/((5/2))(\$)/(liters)=(x)/(1)(\$)/(liters) \n \nx*(5)/(2)=60\n \n x=2*60/5\n \nx=\$24$

therefore

the answer is

the cost per liter of the paint is equal to $24(\$)/(liter)$

if 2 1/2 liters of paint cost $60 then 1 liter cost $24

In the diagram below line l is parallel to line m. Which angels are congruent to angel 1

Answers

Answer:

I will like to help you but where is the diagram?

Step-by-step explanation:

What two decimals are equivalent to 5.300

Answers

I don't understand the question. Can I have some context?

The answers are 5.3 and 5.30. This is because you can take/add as many 0s to the end of a decimal and the value won't change.

All 5 students in Mrs. Awful's class got a 50 on the test. What’s the average grade in this class?

Answers

Answer:

Step-by-step explanation:

add them all up and divide by 5

Answer:

Step-by-step explanation:

divide them all

a committee has eleven members. there are 3 members that currently serve as the boards chairman, ranking members, and treasurer. each member is equally likely to serve in any of the positions.

Answers

Answer:

$(1)/(990)$

Step-by-step explanation:

The full question:

"A committee has eleven members. there are 3 members that currently serve as the boards chairman, ranking members, and treasurer. each member is equally likely to serve in any of the positions. Three members are randomly selected and assigned to be the new chairman, ranking member, and treasurer. What is the probability of randomly selecting the three members who currently hold the positions of chairman, ranking member, and treasurer and reassigning them to their current positions?"

The permutation of choosing 3 members from a group of 11 would be:

P(n,r) = $(n!)/((n-r)!)$

Where n would be the total [in this case n is 11] & r would be 3

Which is:

P(11,3) = $(11!)/((11-3)!)=(11!)/(8!)=11*10*9=990$

So there are total of 990 possible way and there is ONLY ONE WAY for them to be reassigned. Hence the probability would be:

1/990

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