Provide an example of an operation that is commutative.Provide an example of an operation which is not commutative

Answers

Answer 1

Answer: Addition is commutative.
3 + 4 = 7. = 4 + 3

Division is not commutative.
3 / 4 is not = 4 / 3.

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HURRY PLEASE WHOEVER ANSWERS FIRST WILL BE THE BRAINLIEST!!!Which statement best explains the relationship between lines FG and HJ?

A.They are perpendicular because their slopes are equal.
B.They are perpendicular because their slopes are negative reciprocals.
C.They are not perpendicular because their slopes are equal.
D.They are not perpendicular because their slopes are not negative reciprocals.

Answers

we know that

If two lines are perpendicular then, the product of their slopes is equal to minus one, that means that their slopes are negative reciprocals

$m1*m2=-1$

Step $1$

Find the slope of the line HJ

$H(-4,-2)\nJ(0,4)$

we know that

the slope between two points is equal to

$m=((y2-y1))/((x2-x1))$

substitute the values

$m1=((4+2))/((0+4))$

$m1=((6))/((4))$

$m1=(3)/(2)$

Step $2$

Find the slope of the line HJ

$F(-4,1)\nG(0,-2)$

we know that

the slope between two points is equal to

$m=((y2-y1))/((x2-x1))$

substitute the values

$m2=((-2-1))/((0+4))$

$m2=((-3))/((4))$

$m2=-(3)/(4)$

Step $3$

Verify if the two lines are perpendicular

$m1=(3)/(2)$

$m2=-(3)/(4)$

Find the product m1 by m2

$(3)/(2)*-(3)/(4)=-(9)/(8)$

$-(9)/(8)\neq -1$ --------> the slopes are not negative reciprocals

therefore

the answer is the option

D.They are not perpendicular because their slopes are not negative reciprocals

The answer to this question is B. They are perpendicular because their slopes are negative reciprocals.

Two lines can be perpendicular if they make a 90 degree angle and/or their slopes are negative reciprocals.

Hello! can you help me please <3)

Answers

domain is all the x- coordinates

range is all the y-coordinates

hope this helps :)

Please help meSport Utility Vehicle (SUV) Sports Car Totals
male 21 39 60
female 135 45 180
Totals 156 84 240
Note: if you need to round, round to 2 decimals, like this: 12.34 %

Q1: What percent of males drive sports cars?

Q2: What percent of all drivers are male?

Q3: What percent of sports car drivers are male?

Q4: are questions 1 and question 3 the same? (yes or no)

Answers

The answers are as follows:

Q1: 65%

Q2: 25%

Q3: 46.42%

Q4: No

What is Percentage?

A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred.

As per the given data:

The table gives us the data on male, female and total drivers with respect to the car they drive.

For percent of males that drive sports cars:

= (males who drive sports car / total male drivers) × 100

= (39/60) × 100

= 65%

For percent of all drivers that are male:

= (male drivers / total drivers) × 100

= (60/240) × 100

= 25%

For percent of sports car drivers that are male:

= (male sports car drivers / total sports car drivers) × 100

= (39/84) × 100

= 46.42%

Question 1 and question 3 are not the same.

Hence, the answers are as follows:

Q1: 65%

Q2: 25%

Q3: 46.42%

Q4: No

To learn more on Percentage, click:

brainly.com/question/626448

#SPJ3

Answer:

1,2,3 are all the same

Step-by-step explanation:

for the math problem, the answer is 13.63%.

I just need 1-6.please help

Answers

2. 1,3,9
3. 1,2,5,10
4. 1,2,3,4,6,12
5. 1,3,7,21
6. 1,31
The numbers in bold are prime. Number 6. is a prime number.

Find the percent of increase:
Year 2005 2010
Population 3.2

(millions) 5.6

Answers

Answer:

the answer is x4sqaured=2

mark me brainliest

Step-by-step explanation:

The Springfield School band has 300 sweatshirts to sell at the fund-raiser.A survey shows that 2 out of 7 students in the school would purchase a sweatshirt.If there are 910 students in the school,predict how many students would buy a sweatshirt.Will the band sell all the sweatshirts?

Answers

260 students is the prediction for how many sweatshirts will be sold so no they will not sell all of them

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