how do u add and subtract rational numbers

Answers

Answer 1

Answer:

ration number such as 2 and 3

2 plus 3 is 5

3 minus 2 is 1

3 by 5 plus 2 by 5 is 5 by 5 which is 1

3 by 5 plus 2 by 4 take lcm and add the numerator .


Related Questions

Can someone help me with this one. I got it wrong

Answers

Answer:

I believe the answer is D

Step-by-step explanation:

What is the slope in other words the answer

Answers

Answer:

gradient

Step-by-step explanation:

gradient is the same as steepness and slopes r steep so its gradient

Solve for h.
h - 6 =
=
7

Answers

Answer:

h = 13

Step-by-step explanation:

Solve for h.

h - 6 =  7

h = 7 + 6

h = 13

------------------

check

13 - 6 = 7

7 = 7

the answer is good

So, this one is pretty easy. Since h-6=7, you just add 6 and 7 and subtract 6 to find the answer, like this.

6+7=13

13-6=7

and h=13

Easy, huh?

18. Which is more, five-eighths of a dollar or four-ninths of a dollar?

I need hellllllllpppppppppp

Answers

Answer:

five-eighths of a dollar is more than four-ninths of a dollar

Step-by-step explanation:

If you convert the fractions into decimals:

5/8 = 0.625

4/9 = 0.44444444444...

0.625 is closer to 1 than 0.44444444444...

Hope that helped!

HUrrryyy i need help!!!!!

Answers

Answer:It is D Step-by-step explanation:

a
Russ worked a total of 135 hours during the month of July. He earned $3,600.
Russ earned $25 per hour each weekday that he worked. He earned $40 per hour
each Saturday that he worked. How many hours did he work on the weekend?

Answers

Answer:

3375

Step-by-step explanation:

Will give brainliest

Answers

See drawing attached below.

Corresponding angles and sides are congruent to each other. Thus,

∠L corresponds to ∠H

∠J corresponds to ∠P

HU corresponds to LO

PO corresponds to JU

LP corresponds to HJ

∠U corresponds to ∠O

Answer:

thanks for the points bye bye for now love u fin and I will

y=-x-6 input (x) = -3 find (y) output

Answers

Here is the answer
-(-3) =+3
Because negative number multiplied by a negative number equals positive

Answer:

[tex]y=-3[/tex]

Step-by-step explanation:

[tex]y=-x-6[/tex]

Plug in the given value for x:

[tex]y=-(-3)-6[/tex]

Simplify:

[tex]y=3-6[/tex]

[tex]y=-3[/tex]

Not sure on this. (Im really bad at math)

Answers

Answer:

13. C

14. B

Step-by-step explanation:

yeah-ya........... right?

valentina wants to grow out her hair. it grows 0.5 inches per month, and it is currently 9 inches long. write an equation that shows the relationship between that shows the relationship between the number of months that valentina grows out her hair, x, and the length of her hair in inches, y

Answers

Answer:

y=0.5x+9

Step-by-step explanation:

Compare î and by converting each fraction to a decimal. Which is larger? 3 O A. î (or 0.27) is the larger number. OB. (or 0.2727...) is the larger number. 11 C. 3 12 (or 0.312) is the larger number. O D. (or 0.25) is the larger number.​

Answers

Answer:

A

Step-by-step explanation:

Hope it can help you lovelots

Answer: B. 3/11 (or 2.2727...) is the larger number.

HELP ME please please please

Answers

Answer:

d.

took the test

Step-by-step explanation:

sales tax is 7% what is the amount of sales tax you would pay this bill​

Answers

% means per 100

so when figuring out percents it's good to use 100

so

on $100 7% would mean $7

on $50 7% would mean $3.5

in $200 7% would mean $14

There is 358 pieces of pumpkin pie by the time dessert comes around there are only 7 guest left how many pieces can each person get if it is shared equally how many will be left over

Answers

51 slices is the answer

47-?=50-35 please help

Answers

The answer is 32
Well brainly force me to type at least 20 words so I will just random type some words here

Answer:

x = 32

Step 1: Solve the right-hand side of the equation.

47 - x = 50 - 35

=> 47 - x = 15

Step 2: Subtract '47' from both ends.

=> 47 - x = 15

=> -x = 15 - 47

Step 3: Solve for x.

=> -x = -32

=> x = 32.

Hoped this helped.

can somebody tell me if these answers are correct?​

Answers

I think the a is right
I would handle b) like this: 8.50:12~0,7
1,55-0.7=$0,85

which of the following is an example of a polynomial equation?​

Answers

Hi, can you please put options?

If your getting paid 5$ every week how long will it takes you to get 10,000$?

Answers

2,000
10,000 divided by 5 = 2,000

whats 5 x 2x x 2y?? im doing hw and im confused

Answers

5 x 2x x 2y = 20xy
Because
5 x 2x = 10x
10x x 2y = 20xy

each chicken coop can hold 8 chickens what's the maximum of chickens that can fit in 7 Coops?​

Answers

Answer:

56

Step-by-step explanation:

each can fit 8 chickens so that means that 7 coops can fit 56 chickens

8×7=56

ANOTHER ONE LOL You exercise for ¾ of an hour. You jump rope ⅓ of that time. What portion of the hour do you spend jumping rope?

Answers

Answer: 15 minutes

Step-by-step explanation:

60 / 4 = 15

15 * 3 = 45

45 / 3 = 15

Answer:

Step-by-step explanation:

Time spent on jump rope = 1/3 of 3/4

                                           [tex]= \dfrac{1}{3}*\dfrac{3}{4}=\dfrac{1}{4} \ hour[/tex] or 15 minutes

A car travels 23 km in 15 minutes. How fast is it going in kilometres per hour?

Answers

Answer:

96 km/h.

Step-by-step explanation:

23 x

-- = ----

15 60

60/15 = 4

24 x 4 = 96

x = 96

John's father spent 2 hours and 55 minutes working on his truck if it was 4:55 when he stopped what time did he start​

Answers

He started at 2 o’clock

Answer:

2

Step-by-step explanation:

4-2=2

55-55=0

so:

2:00

Over the summer, Jarrod did online tutoring with kids. He was paid a total of $342.30 for 42 hours of tutoring. What was his hourly rate of pay?

Answers

Answer:

His hourly rate is $8.15.

Step-by-step explanation:

The hourly rate is how much he earns in one hour. We know how much he earns in 42 hours ($342.3).

So what we need to do is to divide that amount ($342.3) by 42.

And we get $8.15.

Kate bought 5 pounds of hamburger and 2 pounds of hotdogs and paid $28.50. Eric bought half the amount of hamburger and a fourth of the amount of hotdogs that Kate did and paid $12.50. Find the cost per pound of hamburgers and hotdogs.

This is a system of equations

Answers

Answer:

hamburgers - $4.30 hotdogs- $3.50

The required cost of a hamburger and a hotdog is $4.3 and $3.5 respectively.

What are simultaneous linear equations?

Simultaneous linear equations are two- or three-variable linear equations that can be solved together to arrive at a common solution.

here,
Let the cost of the hamburger be x and the cost of hotdogs be y.
According to the quesiton,

5x + 2y = 28.50 - - - - (1)
5x /2 + 2y / 4 = 12.50
10x + 2y = 50 - - - -(2)
From equation 1 and 2
5x = 21.5
X = $4.3
Now,
5×4.3 + 2y = 28.50
y = 7 / 2
y = $3.5

Thus, the required cost of hamburgers and hotdogs is $4.3 and $3.5 respectively.

Learn more about simultaneous equations here:

https://brainly.com/question/16763389

#SPJ2

In a recent year, 39% of all college students were enrolled part-time. If 5.8 million college students were enrolled part-time that year, what was the total number of college students?


Round your answer to the nearest million.

Answers

Answer:

15 million

Step-by-step explanation:

39% of all college students enrolled part-time.

5.8 million college students enrolled part-time.

Let x =  the total number of college students.

39/100 • x = 5.8

x = 5.8 • 100/39

x = 14.87

=15 million

Hope this helps :)

what is 3x-4y= -24 answer

Answers

Answer:

The answer will be ( [tex]x=\frac{-24+4y}{3}[/tex] )

You have a savings bank account, you have $35.30 in the account to start.
You deposit $17.50. Then you add in another $25 from your birthday.
Then you have to spend $6.99. But then you saved up another $14.75 that
you want to deposit, after all of those transactions what is your current
BALANCE?

Answers

Answer: $85.56

Step-by-step explanation:

$35.30 +$17.50= $52.80

$52.80+$25 = $77.80

$77.80-$6.99  = $70.81

$70.81+$14.75 = $85.56

Larry needs 45 ounces of graph juice for 6 guests. Later, he finds out that 26 guests are coming. how much graph juice does he need to purchase?

A. 196 Ounces

B. 270 Ounces

C. 40.3 Ounces

D. 1170 Ounces

Answers

Based on the amount of juice needed for 6 guests, the amount of juice Larry will need for 26 guests is A. 196 ounces.

First find out the amount of juice a single guest will need:

= Quantity of juice / Number of guests

= 45 / 6

= 7.5 ounces

If a guest needs 7.5 ounces, 26 guests would need:

= 25 x 7.5

= 195 ounces

In conclusion, 196 ounces of juice is needed.

Find out more at https://brainly.com/question/1201888.

Please help ill mark brainlyst please

Answers

Answer:

x = 8°

y = 21°

Step-by-step explanation:

27 + 3y = 90

3y = 63

y = 21°

x + 8x + 18 = 90

9x = 72

x = 8°

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