when adding two rational numbers tell what the sign of the sum will be if one rational number is positive and one is negative

Answers

Answer 1
To add two rational numbers with different signs, Find the difference of their absolute value. The use sign of the rational number with greater value

Related Questions

I don’t understand number 1 and I need help solving it?

Answers

Answer:

  1/4 cup more

Step-by-step explanation:

1/2 + x = 3/4       ===>       0.5 + x = 0.75

                                        -0.5        -0.5

                                                   x = 0.25

         0.25 = 25/100 = 1/4 cup

Jahaira buys a car for $5,160. Her state charges 7% sales tax, $87
for licence plates, and $30 for safety and emissions fees. How much
will Jahaira owe for these extra charges, NOT INCLUDING the price
of the car?

Answers

Answer:

119.1

Step-by-step explanation:

PLEASE HELP REALLY QUICK

Jose starts a savings account with $80. At the end of 6 months, the
account has $350. Assuming there is a constant rate, how much did Jose
save per month?
A $270
B $72
C $60
$45

Answers

Answer:

D $45

Step-by-step explanation:

you would take the $350 and divide it by 80 an you get 4.375 than you round that to the nearest 5th

Is 8397 divisible by 9

Answers

Answer: yes

Step-by-step explanation:

If the sum of the digits is not divisible by 9, then 8397 is not divisible by 9. 27 is divisible by 9, Therefore, 8397 is divisible by 9 and the answer to the question, "Is 8397 Divisible By 9?" is Yes.

Answer:

Yes

Step-by-step explanation:

The sum of four and seven times a number is -31. What is the number?

Answers

Answer:

The number is -5

Step-by-step explanation:

Let x be the number

Write it out as an algebraic expression: 7x + 4 = -31Subtract 4 from each side, so it now looks like this: 7x = -35Divide each side by 7 to cancel out the 7 next to x. It should now look like this: x = -5

I hope this helps!

Answer:

The number is -1.107142857142857

Step-by-step explanation:

I just used a calculator

what’s the answer i need help plssss!!!

Answers

Answer:

wouldent that be 8 x  3 lol????

Step-by-step explanation:

Answer:

follow the steps

Step-by-step explanation:

a²+b²=c²

8²+8²=c²

64+64=c²

find the square root of 128

9. f(x) = x2 - 49, g(x) = x + 7

Answers

Answer:

(x^(2)-49)/(x-7)

Step-by-step explanation:

Did it.

[IMAGE] is this linear or not and why? if it is what’s the equation?

Answers

Answer:

Linear, equation: y = -2x + 1

Jamie plays a trivia game. She earns 1 point for each
correct answer and loses 0.25 points for each incorrect
answer. She gets 15 correct answers and 5 incorrect
answers
What is her score for the game?
A 16.25
B 13.75
C. 15
D. 14.25

Answers

Answer:  B. 13.75

First write out the equation you need to solve

1x - 0.25y = total score

Second fill in the known information

1(15) - 0.25(5) = total score

Now solve your equation

15 - 1.25 = total score

13.75 = total score

Her score for the game will be 13.75. Then the correct option is B.

What is the linear system?

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

Jamie plays a trivia game.

She earns 1 point for each correct (W) answer and loses 0.25 points for each incorrect (L) answer.

Then the total points is given as

Total point = W – 0.25L

She gets 15 correct answers and 5 incorrect answers.

Then her score for the game will be

Total point = 15 – 0.25 x 5

Total point = 13.75

Then the correct option is B.

More about the linear system link is given below.

https://brainly.com/question/20379472

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slope of y = 7x-100​

Answers

Answer:

The slope equals 7.

Step-by-step explanation:

Following the formula y = mx + b where:

m = slope

x = independent variable

b = y-intercept

our equation looks like:

y= 7x - 100

m = 7

x = x

b = -100

If slope = m and m = 7 then we can conclude that the slope = 7.

Your class collected money to buy turkeys and hams for
the local food shelter. After the collection, your class
had exactly enough money to buy 11 hams and 9
turkeys. If you raised a total of $316, and each turkey
cost $18, how much is one ham?

Answers

Answer: $14.00

Step-by-step explanation:

9 turkeys costed a total amount of  $162.00

We need to subtract that from the total cost, $316.00, to find out how much money was spent on 11 hams.

316 - 162 = 154

So, 11 hams costed 154.

We then need to find the unit rate of 11 turkeys for 154 dollars.

To do that, we must divide 154 ÷ 11

That gives us 14.

Therefore, your answer is: $14.00 per ham.

Put it in your own words

Answers

There's a seasonal show called the Amazing Race. I am chosen to participate in it, my partner is Fransteria. I am the leader of our team. In this game, we have to chose the best path, we have to calculate the fastest way to victory. A map full of triangles will be given to us for the first path. We will get to know about more details later.

Probability of rolling a composite number on a dice and the coin landing on tails

Answer choices are 1/8, 2/3 and 5/6

This is 7th grade math btw

Answers

Answer:

5/6.

Step-by-step explanation:

The only composite numbers on a die are 4 and 6, so the probability of landing on them is 2/6 or 1/3. The probability of landing on tails on a coin is 1/2. Add them together (1/3 + 1/2) and you get the total probability of 5/6.

I hope this helps.

what is the product of 25 and (6/5n +31/4)​

Answers

Answer:

30n + 193.75

Step-by-step explanation:

Product means multiplication so 25([tex]\frac{6}{5}n +\frac{31}{4}[/tex])

The first step is distribution of 25 to all numbers in ( ).

25([tex]\frac{6}{5}n[/tex]) is 30 and 25([tex]\frac{31}{4}[/tex]) is 193.75

Now we have the equation 30n + 193.75 which cannot be simplified further since the two variables are not like terms.

Malika has a credit card balance of $321. Her available credit on this card is $4,679. What is her credit line
on this card?

Answers

Answer: 5,000

Step-by-step explanation:

4679 + 321=5000

If Malika has a credit card balance of $321. Her available credit on this card is $4,679. Then $5000 is her credit line on this card

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Given,

Malika has a credit card balance of $321

Available credit on this card is $4,679.

We need to find her credit line on credit card

To find this we just need to add $321 and $4,679.

Three hundred twenty one plus four thousand six hundred seventy nine

$321+$4,679.

We get five thousand

$5000

Hence, $5000 is her credit line on this card

To learn more on Equation:

https://brainly.com/question/10413253

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please answer see the image below

Answers

Answer:

64.8

Step-by-step explanation:

total area = rectangle + semi circle

                = (11 x 5) + (1/2 * π * 2.5²)

                = 55 + 9.8

                = 64.8 sq. units

Answer:

64.8² units. Hope it's help you.

how do I solve this​

Answers

Answer:

15 degrees

Step-by-step explanation:

7x - 15 = 90

    +15.   +15

7x = 105

divide both sides by 7

x = 105/7 = 15

What does 15% + 14% + 12% =

Answers

Answer:

41%

Step-by-step explanation:

adding percentages is just regular adding so 15 + 14 + 12 = 41

Answer:

0.41

Hope this helped you

6.6.PS-11
Find the whole.,
155% of what number is 31?
155% of is 31.
(Type a whole number.)
plz help ASAP

Answers

Answer:

20

Step-by-step explanation:

31 ÷ 155% =

31 ÷ (155 ÷ 100) =

(100 × 31) ÷ 155 =

3,100 ÷ 155 =

20

pretty sure it’s 20! lmk if it’s right

A pickup truck that can hold up to 3000 pounds is carrying a big machine that is 300 pounds and a few smaller ones that each weigh 60 pounds
At least how many small machines can you fit so that it will not exceed the weight limit of the truck?

A) no more than 50
B) no less than 50
C) no less than 45
D) no more than 45

Answers

Answer:

no more than 45

Step-by-step explanation:

3k-300 leaves u with 2700/60 and you get 45

Answer:

D. no more of 45

Step-by-step explanation:

i took the quick check

Ann started reading a book that is 300 pages long. She reads 40 pages a day. Which function shows how many pages Ann has left after d days?

a) f(d) = 300 − 40d
b) f(d) = 300 + 40d
c) f(d) =300d − 40

Answers

Answer:

A should be the answer

Step-by-step explanation:

PLease see the picture below please help me thank you.

Answers

3r +8

combine 4r -r

combine 14 -6

3r + 8

3r+8 is the answer because you add or subtract the numbers with the same letter

points equal to y = - 1/2x + 5

Answers

Answer:

x= (-10,0)

y= (0,5)

Step-by-step explanation:

Find the x-intercepts.

Tap for more steps...

x-intercept(s):

(-10,0)

y-intercept(s):

(0,5)

Matthew mixes 1/2 cup of yellow paint for every 1/5 cup of blue paint to make green paint. how many cups of yellow paint are needed for 1 cup of blue paint.

Answers

Answer: He needs 2 1/2 cups of yellow paint

In what time will a sum of money double itself at 10%?
ease answer this please I need helppp....​

Answers

Answer:

8 generations

Step-by-step explanation:

Start with $1 and add 10% per generation until you reach $2. (Multiply by 1.1).

$1

$1.10

$1.21

$1.33

$1.46

$1.61

$1.76

$1.94

$2.12

There are 15 male teachers in the school. There are 35 female teachers in the school. Fill in the table
to show the relationship between the female and male teachers.

Answers

Where is the table???

100 PTS NEED HELP ASAP NO GUESSING NO COMING FOR POINTS IF YOU COMING FOR POINTS THATS FINE I JUST NEED THIS HELP!!!​

Answers

it’s A, a is the answer because it’s an actually x and y equation that’s functional

Answer:

it’s A, because it’s an actually x and y equation that’s functional

Step-by-step explanation:

Ok have a great day

What is the value of (32 + 1)">

Answers

Answer:

yes

Step-by-step explanation:

Answer:

i have gotten 160.5

Step-by-step explanation:

pls help me

calculate the slope of the line that passes through (3,2) and (-7,4) in a fraction

Answers

Answer:

-1/5

Step-by-step explanation:

slope can be found with the equation found in the image.

assign each coordinate with the according variable

x1 = 3       x2 = -7    y1 = 2    y2 = 4

and input the values accordingly.

4 - 2 / -7 - 3    PEMDAS (order of operations)

= 2/ -10           Simplify

= 1/ -5        

=-1/5

algebra nation section 3- topic 8

Answers

Answer:

POINTSSSS thxx:))

Step-by-step explanation:

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