If A. is a negative rational number and B. is a positive rational number, which of the following must be true? Give an example for the statements that are true and a COUNTEREXAMPLE for the statements that are false.

A. a - b is a positive
____________________________________
B. b - a is a positive
____________________________________
C. b + (-a) is a negative
____________________________________
COUNTEREXAMPLE : its a theory HELP MEEEEE PLES

Answers

Answer 1

Answer:

B,b‒a is a positive.

Step-by-step explanation:

if a=‒x x=rational number

b=x

let's see these by examples

A,a‒b is a positive, ‒x‒x=‒2x (the answer is negative) so this is wrong

B,b‒a is a positive, x‒(‒x)=x+x=2x (the answer is positive)so this is correct answer

C,b+(‒a) is a negative,x+‒(‒x)=x‒(‒x)=x+x=2x(the answer is positive)so this is also wrong

i hope it helps you


Related Questions

Examine this multiplication problem.


3
2
5
×
1
2
Which are equal to the product? Check all that apply.
StartFraction 17 Over 5 EndFraction
StartFraction 17 Over 10 EndFraction
1 and StartFraction 5 Over 7 EndFraction
1 and StartFraction 7 Over 10 EndFraction
3 and two-fifths

Answers

Answer:

Step-by-step explanation:

60 5×12=60 count by 5 until you get to 12 that helps you get your answer 60.

Answer:

the other person is incorrect, the real answer is in explanation

Step-by-step explanation:

1 and StartFraction 7 Over 10 EndFraction

StartFraction 17 Over 10 EndFraction

or in shorter terms

B. 17/10

D. 1 17/10

i need some help thank you

Answers

Answer:

9/10

Decimal: 0.9

0.9 in decimal form

Jamie planted 16 tulip bulbs this weekend. This represents 40% of the bulbs she purchased. How many total bulbs did Jamie purchase?



TIMED! HURRY!

Answers

Answer:

40

Step-by-step explanation:

16 bulbs: 40%

32 bulbs: 80%

40 bulbs: 100%

40 i think should be your answer

On a farm, the farmer decides to give pizza to her 15 ducks as a special treat. She orders 3 pizzas, and the total price is $23.46. What is the unit price of each pizza? (4 points)

Group of answer choices

$70.38

$5.00

$1.56

$7.82

Answers

Answer:$7.82

Step-by-step explanation:

It’s D, because $23.46 divided by 3 would be $7.82.

answer plz now and i will give you brainest

Answers

Answer:

Yo im taking the same thing lemme know what you get!!!

Step-by-step explanation:

The first one is -12

plz help me plz help me plz plz plz

Answers

what’s the question?

2 1/6 + -5/6 = ? please if its a decimal please right 3.2 instead of 3.4839

Answers

Answer:

1 2/6 is the correct answer

Step-by-step explanation:

in 2 1/6 + -5/6 what you do is you can turn the plus sign into a minus sign and  make -5/6 5/6 so now the problem is 2 1/6 - 5/6 and the awnser to that is 1 2/6

Answer:

1.3

Step-by-step explanation:

Exact Form:

4/3

Decimal Form:

1.3

Mixed Number Form:

1 1/3

What does the point (0, 35) represent?

Answers

Answer:

the students read 35 pages in class to start the book

Step-by-step explanation:

that would only make sence, because 35 starts at 0, not 1, so your starting at 35, in class

it is the y-intercept so it represents the initial starting point. so your answer is d

what is the slope of the line passing through the points (0, −5) and (4, 2)?

Answers

Answer:

1.75

Step-by-step explanation:

When doing slop, you use the equation y2-y1/x2-x1.

So, in order to solve this, plug in your numbers. After you have done that, it should look like this: 2-(-5)/4-0.

The answer you should get is 7/4. This can be put into decimal form as 1.75.

Hope this helps!

I AM GOING TO CRY PLEASE HELP ME AND YES THE AND PICTURE IS THE OTHER PANDA!!!!
1. Which panda was heavier when they were born?
2. Which panda is growing faster
3. Which panda will weigh more at 5 weeks?
4. Write the equation for each panda.

Answers

Answer:

i say the second panda weighed more when it was born, and the second panda is growing faster.

Simplify: (-1/3+1/9) 4^2+5/18

A)-2/9

B)32/9

C)-59/18

D)73/18

Answers

Answer:

A  -59/18

or

-3/5/18-3.27...

Step-by-step explanation:

First you wanna calculate the sum

(1/3+1/9)×4²+5/18=

-2/9×4²+5/18

Then you wanna evaluate the power

(1/3+1/9)×4²+5/18=

-2/9×16+5/18

Now you are gonna calculate the product

-2/9×16+5/18=

-32/9+5/18

Last you want to calculate the sum

-32/9+5/18=

-59/18

Sry if wrong

Answer is:

A)-2/9

Pardon me if this is wrong <3

HELLLLLLLLLLLLLLLLLLLLP

Answers

Answer:

Ok sorry about before but im pretty sure it goes by the x and y axis

Step-by-step explanation:

So im pretty sure the answer is the second statement so yeah it should be the second statement

X and y axis. Jdjdhdj jjdjjdjdkdkdkdndndndndnrb djdjfjfjfj

plz HELP! ASAP for both 9 and 10 plz

Answers

Answer:

domain: 0 - 10 range: 0 - 32

Step-by-step explanation:

Take the lowest x and the highest x and put them in set values to get domain.

lowest x = 0 and highest x = 10.

Take the lowest y and the highest y and put them in set values to get range.

lowest y = 0 and highest y = 32

Answer:

9. Distance from the bay (in yards), i.e, 0, 5 and 10 are the domain of the graph.

10-0=10

10. height of the golf ball (in yards), i.e, 15,32 and 0 are the range og the graph.

32 - 0 = 32

For a beverage, Lisa mixes cups of lemonade to cups of iced tea in a ratio of 3:7. Which of the following best describes the amount of lemonade to iced tea? (4 points)

Group of answer choices

For every 3 cups of lemonade, there are 7 cups of iced tea.

For every 3 cups of lemonade, there are 4 cups of iced tea.

For every 7 cups of lemonade, there are 4 cups of iced tea.

For every 7 cups of lemonade, there are 3 cups of iced tea

Answers

Answer:

For every 3 cups of lemonade, there are 7 cups of iced tea.

Step-by-step explanation:

hope it helps give person below brainliest plz

Help please!!!!! I'll give brainliest!

Answers

Answer:

#1. Yes, it is a right triangle

Step-by-step explanation:

HURRY DUE TODAY!!!!!

Answers

Y=6/2x+5

Happy to help!

Answer:

5+(3 * 4)= 17

Step-by-step explanation:

Since it's 5 dollars for a desposit then 3 dollars an hour for 4 hours you times 3 by 4 and then add 5.

What was John's speed if he traveled 60 km in 30 minutes?

Answers

Step-by-step explanation:

they give you distance and time the formula should look like

s=d/t

s=60/30

s=2

that should be your answer

Shirts are on sale for 20%.You buy 2 of them. As you pay, the cashier says, “20% off of each shirt means 40%off the total price.” Do you agree or disagree? Please explain thoroughly.

Answers

Answer:

disagree

Step-by-step explanation:

you don't go to a store that has shirts on sale for 20 percent off and buy 2 shirts and get 40 percent off you get 20 percent off of your total

PLZZZZZZZZZZZZZ HELP ME I BEGGING YOU!!!PLZ EXAMPLAIN AND ANSWER THEM ALL DUE TODAY!!!!

1 question is first image


2 question is second image


3 question is third image


4 question is fourth image


5 question is fifth image

Answers

Answer:

1)  2

2)  -4

3) -1/2

4)  -13/3 or 4.3

5)  5/6

Step-by-step explanation:

1) Do the exponent, then add it to -7, and subtract 5 for the top and for the bottom add 3 to -5 and subtract -2, finally divide the top by the bottom

2) do the -2 to the 3rd then add -2 and square the answer then multiply -2 and -4 then add that answer to the first one

3) it the same as -6+4/-1+5

4)Divide the fractions and make sure you multiply it by the negative add the answer to 3

5)IDK

Answer:

1)  2

2)  -4

3) -1/2

4)  -13/3 or 4.3

5)  5/6

Step-by-step explanation:

I did this one and i got 100 so this are the answer i used

Identify the property being demonstrated for each expression.

3 + (5 + 7) = (3 + 5) + 7

(3)[5(7)] = (3)[7(5)]

5 + 0 = 5

Answers

Answer:

3+5+7

?

=

3+5+7

15=15

True

Step-by-step explanation:

3+ 12 = 8 + 7


12— 5+7
8— 3+5

which situation can be represented by this inequality? 12+18 bigger than 24d

A- the daily record charges a fee of 12$ plus 18$ per day to run an advertising campaign. the chronicle charges 24 per day to run an advertising campaign. after how many days will the cost of running a campaign in the chronicle be more than running advertising in the daily record..?
B- the amount abbey pays her dog walker is 24$ per day. chuck pays a flat fee of 12$ plus a fee of 18$ per day. after how many days will the amount chuck pays to be more than the amount abbey pays..?
C- tia charges 24$ per hour to do house repairs. Tim charges 12$ per hour plus a fee of 18$. after how many hours does it cost more to hire Tim than tia..?
D- a school band is selling pizza for 24$ each to raise money for new uniforms. the supplier charges a fee of 12$ per pizza and 18$ for delivery. after how many pizzas sold will the school band begin to make a profit..?

Answers

i’m pretty confident that it is C

I WILL GIVE BRAINLIEST PLSSSSSSSS
1. A 100-point test has x questions worth 2 points apiece and y questions worth 4 points apiece.

a. Write an equation that describes all possible numbers of questions that may be on the test.

b. If you have 24 questions worth 4 points apiece, how many questions will be worth 2 points apiece?

2. Louise has $36 in five-dollar bills and singles. How many of each type of bill does she have?

a. Write an equation.

b. If Louse has 2 five-dollar bills, how many singles does she have?

3. The Ramy family bought 4 sandwiches and 3 salads. They spent $24. Let x be the cost of a sandwich

and y be the cost of a salad.

a. Write an equation.

b. If each sandwich costs $3.75, how much did each salad cost?

4. The store at which Andy usually shops is having a sale. Roast beef costs $4 a pound and shrimp costs

$10 a pound.

a. Write an equation to describe different possible combinations of Roast beef and shrimp that he can

buy for $96.

b) What is the greatest amount of shrimp he can buy?

5. It will take 20 points to make the playoffs, the hockey team coach told the players. “We get 2 points

for a win and 1 point for a tie.” Let W be the number of wins and T the number of ties.

a. Write an equation to describe the values of W and T that will let the team make the playoffs.

b. If the team wins 7 games, how many tie games will need to occur?

Answers

Answer:

1)A. 50,25 / 2,15   B. 2x+4(24)=100 2=x

Step-by-step explanation:

A. 2x+4y= 100

B. 2x +4(24)=100
2x+96=100
2x=4
x=2 (2 questions worth 2 pts a piece)

2. x= 5$ bills y= singles
a. 5x+y=36
b. 5(2)+y=36
10 + y=36
y=26 (26 singles)
3. x= sandwich cost y=salad cost
a. 4x+3y=24
b. 4(3.75)+3y = 24
15+3y=24
2y=9
y=4.50 (4.50$ per salad)
4: X = pounds of roast beef, y = pounds of shrimp Roast beef = $4 per pound
Shrimp = $10 per pound
a. Total $96
4 + 10 = 96 b. 4(0)+10=96
10 = 96
= 9.6
The most shrimp Andy can buy is 9.6 lbs

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Answers

Answer:is this for ela?

Step-by-step explanation:

(15 PTS) Help me plz.

Answers

Answer:

1.) C      2.) B         3.) B

Step-by-step explanation:

I had to do the same thing :)

Good job on the answer

Which two city parks have equivalent ratios of planted maple trees to the total number of trees in the park?


City Parks---------------------Maple trees planted-------------------Total trees planted

Eastern------------------------------------14--------------------------------------126---------------

West end---------------------------------23-------------------------------------207--------------

South side-------------------------------24--------------------------------------214--------------

North ridge------------------------------18---------------------------------------158---------------

Answers

Answer:

Eastern and west end

Step-by-step explanation:

divide by nine

Answer: eastern, west end

-2 1/2 ÷ 6

A) -2 1/6
B) -5/12
C) 5/12
D)2 1/6

Answers

Answer:

-2 1/2 / 6

=-5/2 / 6

=(-5/2)x(1/6)

=-5/12

Step-by-step explanation:

−15 ÷ 5 =


A number line going from negative 30 to positive 30. An arrow goes from 5 to 10, from 10 to 15, from 15 to 20.

Emily used the number line to find the quotient for -15 ÷ 5. What errors did she make? Select three correct answers.
The arrows should point in the negative direction.
The small arrows should end in the same place as the large one.
The arrows should end on negative 15.
The arrows should start at zero.
There should be 5 small arrows.

Answers

Answer:. The arrows should point in the negative direction.

The arrows should end on negative 15.

The arrows should start at zero.

Step-by-step explanation: The idea is to show that the answer is -15÷5= -3

Answer:

to put is ez A,C,D

Step-by-step explanation:

The ratio of Maggie's age now to her brother Steven's age now is 2:3. In ten years, the ratio of their ages will be 4:5. How old in Maggie now? Do not label years old in your answer.

Answer quick please! <3

Answers

Answer:

sorry if this is wrong

Step-by-step explanation:

 Maggie = X

Brother = 2X-3 <--- 3 years younger than twice her age.

 

2x - 3 + x = 24  <--- the sum of their ages is 24

 

3x - 3 = 24

 

3x = 27

 

x = 9

 

Maggie is 9.

Brother is 2*9 - 3 = 18 - 3 = 15

Answer:

15

Step-by-step explanation:

1 number in the ratio is 5 years

On a coordinate plane, the x-axis is labeled Minutes and the y-axis is labeled Gallons (in hundreds). Point A is (3, 12), point B is (6, 7), point C is (12, 3).
The graph shows two points from the table representing a proportional relationship.
A 2-column table with 3 rows. Column 1 is labeled Minutes (x) with entries 1, 2, 3. Column 2 is labeled Gallons (y) with entries 400, 800, 1200.
Which point corresponds to the last entry in the table?

Answers

Answer:

A

Step-by-step explanation:

Answer: the answer is A

Denver is planting strawberry seedlings in a new garden. He can plant 3 rows of a certain length with 2 seedlings left over or 4 rows of the same length with 3 seedling spots left empty. What is the length, x, of each row in meters?

Enter the correct answers in the boxes.

The equation used to solve for x is ____
.

Each row is ____meters long.

Answers

Answer:

Step-by-step explanation:

4x3=12

3x2=6

12+6=18

Answer:

Each row is 5 meters long

Step-by-step explanation:

5x3=15

5x4=20

15+2=17

20-3=17

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