Mathematics Middle School

Jessica’s friend lent her $5. Later that day Jessica gave her friend back $1.75 Which rational number represents the overall change to the amount of money Jessica’s friend has?

Answers

Answer 1

Answer:

-$3.25

Step-by-step explanation:

She had $5 to begin with and ended with $1.75 the change is - because she has less 5-1.75=3.25

Answer 2
-$3.25 good luck lol

Related Questions

this is a khan academy question

Answers

The answer is... A because your trynna find the answer and -2 1/2 is different from there first number so you separate them from each other

Hope this helps

Answer:

Its A hope this is correct, please give me brainliest, my dog died today :(

Step-by-step explanation:

Sami purchased 5 comic books priced as shown.

$4.50 $3.75 $3.95 $2.19 $3.24
If sales tax is 9%, what is the total price Sami paid? Round to the nearest cent, if necessary.

Answers

Answer:

$19.23

Step-by-step explanation:

First, add the prices of all 5 comics together. That should equal $17.63. The tax is 9% so that would be 1.5867 or $1.60. In total, Sami paid $19.23.

19.21

adding all the totals together gives you 17.63 . the sales tax is 1.5867 . add that to the 17.63 and you’ll get 19.21

Daniel decides to use the method of proportions and similar
triangles to find the height of a tower. He measures the length of the
tower's shadow and finds it is 72 feet long. Then he holds a 12-inch
ruler perpendicular to the ground and finds that it casts an 24-inch
shadow. How tall is the tower?
a. 3 ft c. 36 ft
b. 4 ft d. 144 ft

Answers

Answer:

The answer is B

Step-by-step explanation:

Answer:

It's C.

Step-by-step explanation:

Have a good day.

What is the slope of the line that passes through the points (-8, -3)(−8,−3) and (-12, -3) ?(−12,−3)? Write your answer in the simplest form.

Answers

Answer:

(-3,-5) is the answer

Answer:

-3

Step-by-step explanation:

The Boardman family walked two over five of a mile in two over seven of an hour. What is their unit rate in miles per hour?

two-sevenths over two-fifths equals one and two-fifths miles per hour


two-sevenths over two-fifths equals five over seven miles per hour


two-fifths over two-sevenths equals one and two-fifths miles per hour


two-fifths over two-sevenths equals five over seven miles per hour

Answers

Answer:

two-fifths over two-sevenths equals one and two-fifths miles per hour .

I think it’s the last one

please help. I really need it.

Answers

It’s b and d because when simplified they’re both 25/1

At Supply World, 4 pens cost $10.00. How much do 3 pens cost if the price per pen is the same?

Answers

Answer:

$7.50

Step-by-step explanation:

$7.50 dollars is the answer

Can you pls help me with these questions?
I'm giving brainliest ^^

Answers

Answer:

A. 15, 9, 3, -3, -9

Step-by-step explanation:

That's all I know, sorry

Answer:

See attached pdf

Step-by-step explanation:

pls help me! (question is in the picture)

Answers

Answer:

getting the wrong answer or not using the correct symbols

Step-by-step explanation:

Getting the wrong answer or simply acting bad

Need help on
These 2 questions

Answers

Answer:

so the answer to the bottom problem is 69

hope this helped i use desmos scientific counculator

- the chair with internet

Twenty seven minus ten plus four



Because according to pendas parentheses come first before adding subtracting and multiplying!

What is the slope of this line? −3/2 −2/3 2/3 3/2

Answers

y2-y1
-------- OR you can do "rise/run"
x2-x1


Answer: -6/4

Answer:

-3/2

Step-by-step explanation:

To find the slope of the line, you need to use the slope formula.

[tex]m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} } \\[/tex]

Plug in the given points into the equation and solve for m.

[tex]m=\frac{-5 -1 }{6 -2 } \\\\m=\frac{-6}{4} \\m=-\frac{3}{2}\\[/tex]

The slope is -3/2.

I need help know!!!!!

Answers

the unit rate is 45 because 5 plus 2

Answer:Its too small i cant read it

Step-by-step explanation:

What value of w makes the equation 145 = w + 27 true?

Answers

Answer:

118

Step-by-step explanation:

In the equation 145 = w + 27, you can solve for w by subtracting 27 from 145. That would give you 118. You can check this is correct by adding 27 to 118. 118 plus 27 = 145.

Answer:

118

Step-by-step explanation:

145 = w + 27

Switch the + sign before the 27 and switch into a minus and move it to the other side.

145-27=w

145-27=118

w=118

What is the benefit of writing expressions to represent real-world situations?

Answers

Answer: it help understand life better

Step-by-step explanation:

It gives more of an understanding of what the character is portraying.

Plsss helppp i rlly need help with this math!!!

Answers

14. 11.2 13. 150 hope this helps

Answer:

13.150

14. 11.2

Step-by-step explanation:

Have a good day :)

23,461 rounded to the nearest hundred

Answers

Answer:

23,500

Step-by-step explanation:

Barb needs to run a total of 9 miles each week. So far, she has run 4 miles this week. How much father does she need to run? Write an equation and solve to figure out how many miles she needs to run.

Step by step

Answers

Answer: Wouldn't the answer be 5 because 4 plus 5 is 9?

Step-by-step explanation:

Answer:

5 more miles

Step-by-step explanation:

They need to run 9 miles but has already ran 4.

9-4=5

5 miles left to go!

(Hope this helps and I hope I'm not wrong...)

Determine how far the vehicle travels in 3 hours. A ferry travels 45 miles every 1 1/2 hours.

Answers

Answer:

Um 90 miles lol

Step-by-step explanation:

90 because 1.5 hours x 2 is 3. So 45x2 is 90 - meaning 90 miles in 3 hours

what is the answer to 2x+3y=-13

Answers

Answer:

solve for x

x=(-13/2-3y/2

solve for y

y= -13/2-2x/3

Step-by-step explanation:

hope its the answer you where looking for

hey can someone help me with that

Answers

Answer:

70

Step-by-step explanation:

because it stand itself

Answer:

The answer is 280

Step-by-step explanation:

400/100=4, so must multiply 70 x 4 = 280

Select the three true statements.

1. pi is the area of a circle of radius 1.

2. pi is the area of a circle of diameter 1.

3. pi is the circumference of a circle of radius 1.

4. pi is the circumference of a circle of diameter 1.

5. pi is the constant of proportionality relating the diameter of a circle to its circumference.

6. pi is the constant of proportionality relating the radius of a circle to its area.

Answers

Answer:

9/2

Step-by-step explanation:

I think 1 and four but I’m not that familiar

A circular swimming pool measures 79 feet around. What is the diameter?
A. about 200 ft
B. about 25 ft
C. about 50 ft
D. about 100 ft

Answers

Answer:

B. about 25 ft

Step-by-step explanation:

you have to add the numbers up a   4 tiems then your awnser comes in and if not multiply 79 2 times your welcome

Step-by-step explanation:

30 POINTS FOR THIS...Bus Stop: A graph has time (minutes) on the x-axis, and distance (miles) on the y-axis. A line goes through points (0, 5), (6, 8), and (12, 11). Friend's house: A 2-column table with 3 rows. Column 1 is labeled Time (minutes) with entries 3, 6, 9. Column 2 is labeled Distance (miles) with entries 4, 6, 8.
Seth is comparing scenarios to determine which starting point he should get dropped off at to get him to school faster. Seth's house is 17 miles from school.



In which scenario does Seth start closer to school?


In which scenario does Seth travel at a greater speed, and what was the rate?

Answers

Answer:

In which scenario does Seth start closer to school?  

bus stop, 5 miles from home

In which scenario does Seth travel at a greater speed, and what was the rate?  

friend’s house, 2 miles every 3 minutes

The speed of Seth when he travels from the Bus stop will be faster. Because the speed is greater.

What is an average speed?

The distance covered by the particle or the body in an hour is called the average speed. It is a scalar quantity. It is the ratio of the total distance to the total time.

We know that the average speed formula is given as,

Average speed = Total distance / Total time

The speed of Seth when he travels from the Bus stop will be

Average speed = (8 - 5) / (6 - 0)

Average speed = 3 / 6

Average speed = 0.5 miles per hour

The speed at Seth when he travels from the Friend's house will be

Average speed = (8 - 4) / (9 - 3)

Average speed = 4 / 6

Average speed = 0.33 miles per hour

The speed of Seth when he travels from the Bus stop will be faster. Because the speed is greater.

More about the average speed link is given below.

https://brainly.com/question/12322912

#SPJ2

Which rate has the same unit rate as 8 books in 12 weeks?
F. 2 books in 1 week H. 6 books in 15 weeks
G. 5 books in 7 weeks J. 3 books in 4.5 weeks

Answers

Answer: 3 books in 4.5 weeks

Step-by-step explanation:

Answer:

3 books in 4.5 weeks

Step-by-step explanation:

The ratio of blue marbles to red marbles in a box is 3 to 2. if there are 12 blue marbles in a box then how many red marbles are there?

Answers

The answer is: 8 red marbles!

This is because the equation can be written out like this
Blue to red - 3:2
Now it is, blue to red - 12:x

We have to think, what is the difference from the first equation to the second. We know the number 3 times 4 = 12, so we would do the same for the red, 2 times 4=8

If this helped, give me brainliest :)

Answer:

8 red marbles.

Step-by-step explanation:

The ratio is 3:2, blue to red. If there's 12 blue marbles and the first part of the ratio's 3, then:

12/3=4

Then you take the 4 and multiply it by 2, the second half of the ration to get 8.

And so, the answer's 8. If you divide 12:8 by 4 each you get your original ratio of 3:2, so that's your way to check.

"Determine if the following argument allways aplies sometimes or never provide atleast 2 examples "To convert yards to feet, devide the number of yards by 3" ANSWER ASAP.

Answers

Answer:

It does not apply because if you divide say 3 yards by 3 you would get 1 not 9. You have to multiply the yards by three not divide.

Step-by-step explanation:

Which of the following expressions represents the phrase "six added to five times a number"?
O6+5x
O6+5+x
O5+6x
o 11 x

Answers

It’s a because 6 is being add to 5 which is being multiplied with x

another brainliest if its right :D

Answers

Answer:

C

Step-by-step explanation:

Process of elimination

MEEE do thanks I need points or anything

help me please thank you!​

Answers

Answer:

35mins

Step-by-step explanation:

Can you hear me now cost function: y=0.15x+50.75

24 Hour Calls cost function: y=0.9x+24.5

Set two equations equal to each other because we want to find the time (x value) that make the cost  (y-value) equal

0.15x+50.75=0.9x+24.5

0.75x=26.25

x=35mins

35 mins is probably the answer

Help me please.........

Answers

Okay these answers are easy... oh god what is that I’m sorry but lord...
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