Mathematics Middle School

The result of subtracting 2 from its opposite is _____.

0
1
4
-4

Answers

Answer 1

Answer: it's four

Step-by-step explanation:

Answer 2

Answer:

its -4

Step-by-step explanation:

Related Questions

My question is the temperature one. Plz help me with one I'm stumped.

Answers

Isn't it 6 hoirs with the same temperature.?

What is the relationship between the 5s in the number 755,371

Answers

The value of 5 in the ten-thousands place is 10 times greater than the value of 5 in the thousands place.
You can also say that the value of 5 in the thousands place is 10 times less than the value of 5 in the ten-thousands place.
Final answer:

The 5s in the number 755,371 represent different values due to their place in the number. The first 5 represents 50,000 as it is in the 'tens of thousands' place, while the second 5 represents 500 because it is in the 'hundreds' place.

Explanation:

The relationship between the two 5s in the number 755,371 is dictated by their place values in the number. The first 5, which is the second digit in the number, is in the 'tens of thousands' place, therefore representing 50,000. The second 5, which is the fourth digit in the number, is situated in the 'hundreds' place, therefore representing 500. Despite being the same digit, their value varies greatly because of their place in the number. This concept of

place value is crucial in understanding numbers and their values in mathematics.

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What is 137 divided by 7? Please put in the remainders!
Ex. 12R1
Thank you!

Answers

I behold the answer to your problem. When I took my calculator I typed in exactly what you said, 137 divided by 7 and I hit enter. My calculator have me the answer of 19R57. I hope this helps!

An airplane travels 2748 miles in 6 hours.How far would they travel in 2 hours?

Answers

you can set up a proportion in order to get this answer. So if you're able to travel 2748 miles in 6 hours, then divide 2748 by 3  in order to get the distance for 2 hours. This should be equal to 916 miles in 2 hours.
Divide 2748 by 6 to find how much miles it travels in one hour. Then multiply that answer by 2 to find the total amount of miles traveled for 2 hours.
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2/5 of students are wearing glasses. what fraction of students are not wearing glasses.

Answers

3/5 of students are not wearing glasses?

what is (3.5×10^4)^2 in scientific notation with 4 significant digits?

Answers

Well, let's first square 3.5x10^4 which is 1,225,000,000

Scientific notation is when you put a decimal place after the first digit and then say the answer is that multiplied by 10 to a power. This power is the number of digits that come after the first. In this case, the power should be 9 (if you count the 225 and all the 0's, you'll count 9 numbers).

Thus the answer is 1.225x10^9

a ladder 6 meters in length leans against a wall. the base of the ladder is 2 meters away from the base of the wall. how far up the wall does the ladder reach to the nearest tenth?

Answers

Dear Solana1, we will use the Pythagorean Theorem to solve this problem. First, we identify the length of the ladder as the hypotenuse and the distance the ladder is from the base of the wall as one of the legs. The unknown variable, "how far up the wall" is the other value for the leg. Hence, a^2 + b^2 = c^2.. This gives us 2 squared + x squared = 6 squared. We do the math and we get 4 + x squared = 36. We solve for x, we get the square root of 32, which is approximately 5.7. Best.

Area of a trapezoid: 9 m by 15m by 20m

Answers

A=1/2 9+20×15
1/2. 29×15

217.5
Equation: 
[tex] A = \frac{a + b}{2}h[/tex]

a (base) = 9
b (base) = 20
h (height) = 15

[tex]A = \frac{9 + 20}{2}15 [/tex]

[tex]A = \frac{29}{2}15 [/tex]

[tex]A = 14.5 * 15[/tex]

[tex]A = 217.5[/tex]

The area of the trapezoid is 217.5 m.

Allison has 3 containers with 25 crayons in each. She also has 4 boxes of markers with 12 markers in each box. She gives 10 crayons to a friend. How many canyons and makers does Allison have now?

Answers

I hope you'll save some homework for yourself, but I'll help you with this one, too. If one container of crayons has 25 crayons, multiply that by three to get 75 crayons. The marker information is useless in this equation, it's only to confuse you.  Anyways, because that Allison gives away 10 crayons, we need to take 10 crayons away from 75 to get 65. So, your total answer is 65 crayons. I hope this helped! :)

Write 300,000+40,000+60+7 in standard form

Answers

340,067 is the answer
340,067 is the correct answer

The total money y Aaron earned mowing x lawns is showns by the equation y= 15x+25. What does the slope represent?

Answers

Final answer:

The slope in the equation y = 15x + 25 represents the rate at which Aaron's earnings increase per lawn mowed, which is $15 for each additional lawn.

Explanation:

In the equation y = 15x + 25, the slope is represented by the coefficient of x, which is 15. The slope indicates the rate at which Aaron's total earnings increase for each additional lawn he mows. Specifically, the slope value of 15 means that Aaron earns $15 for each lawn he mows. The y-intercept of the equation is 25, which represents a starting value or a fixed amount that does not depend on the number of lawns mowed. This indicates that Aaron might have a base charge or initial fee of $25 before he starts mowing any lawns.

Final answer:

The slope in the equation y = 15x + 25 indicates Aaron earns $15 for each lawn he mows. The slope is the rate of change between lawns mowed (independent variable) and money earned (dependent variable).

Explanation:

The slope in the equation y = 15x + 25 represents the amount of money Aaron earns per lawn he mows. In this equation, the slope is 15, which means that Aaron earns $15 for each lawn he mows. The y-intercept in this context is 25, which typically would represent an initial fee or starting amount, but since it relates to lawns mowed, it may not have a contextually relevant interpretation without additional information. In general, the slope in a linear equation like this contextualizes the rate of change between the independent variable (lawns mowed) and the dependent variable (total money earned).

A 3-ounce serving of tuna fish provides 24 grams of protein. How many grams of protein are in a 19-ounce serving of tuna fish?

Answers

24/3 is 8, therefore there are 8 grams of protein per ounce of tuna. So 19*8 wld be 152.. there would be 152 grams of protein in a 19 ounce serving. 
Divide 24 by 3, you should get 8. 
Then multiply 19 by 8. 

Water flowing from a faucet can fill 1/4 of a tank in 3 minutes. How long does it take to fill the tank completely with water?

Answers

it takes 12 minutes to fill the tank completely with water.
12 mins because 1/4 +3/4=4/4 so you do 3x4 =12 so the answer is 12 minutes

The length of a rectangular football field, including both end zones, is 120 yards. The area of the field is 57,600 square feet.

Answers

You would divide 57,600 from the side length which is 120 yards as it says above. So there for the side lengths would be 120 as you know by 480. The answer would be 480 to your question.

How can you tell if a set of bivariate data shows a linear relationship

Answers

If by bivariate data you mean data in charts or any type of collection of data, the data's would be proportional and would be a straight line and go through the origin in a coordinate plane.

Answer:

If you graph the data points and the points lie along a straight line then the data is linear.

a restaurant bill before tax is $15.50. How much is a 15% tip for this bill . please show work

Answers

the tip would be = 2.325 which rounds up to 2.33$ in total this would be17.83
For problems regarding any percentages like this for a total sum, you want to multiple the percentage as a decimal (in this case, 15% becomes .15) by the total number ($15.50). The number you get (2.325 or $2.33) is then added or subtracted by the total number. If it is a tip, you then add the number to find out the total amount. $15.50 + $2.33 = $17.83. If it were to ask for a discount, then you would subtract it.
15.50 * .15
15.50 + 2.325 (round to 2.33)
$17.83 is your answer

What is 10/30 simplified?

Answers

1/3 Good luck with other questions!

To simplify the fraction 10/30, divide both the numerator and the denominator by their greatest common divisor, which is 10, resulting in the simplified fraction 1/3.

Simplifying the Fraction 10/30

To simplify the fraction 10/30, we want to find the greatest common divisor (GCD) that both the numerator (10) and the denominator (30) share. In this case, both numbers are divisible by 10. So, we divide both parts of the fraction by 10 to find the simplest form.

Step 1: Divide the numerator by 10.
10 / 10 = 1

Step 2: Divide the denominator by 10.
30 / 10 = 3

Therefore, the simplified form of the fraction 10/30 is 1/3. As we recall from our Algebra classes, this is a legal maneuver because multiplying or dividing by a fraction equivalent to 1 (like 10/10) does not change the value of the original fraction. It only simplifies it. So, the simplified fraction of 10/30 is indeed 1/3.

1.324÷2 in place value chart

Answers

the answer is 0.662 if u divied
Agree with the answer above

How can you decide whether to be a brain surgeon or a novelist

Answers

Hey there! Hello!

Wow, loaded question... I'm assuming that this falls under a more personal category for you, but if not, I'd really like to know what class your taking that's asking you a question of this caliber. 

I'm afraid that I cannot answer your question, directly anyway. I'm not you, and I don't know you personally; even if I did, I still wouldn't be able to tell you what to do with your life. 

Things like these are tough. I've wanted to be an artist my whole life, but just recently, I've been considering other options due to the lack of money involved generally with being an artist, and doing something related to space. But, things like this aren't exactly the easiest to go back on. A college I would go to for a doctorate in space science would be the polar opposite to one I would go to for a major in motion design and a minor in illustration. The transition from one to the other would be quite hellish, and I'll probably feel regret with either one I go for when I find myself thinking of what I could have been instead of what I am.

But it's loaded questions like these that make us humans have to consider how we see ourselves in the future. I can see myself as either a space scientist or a motion/graphic designer. I wish I could be both, but I can't imagine I could pay for more than 10 years of college just so I can do it all. 

The only thing I can really recommend is to sit on it for as long as you can. It's not procrastinating, only putting deep consideration into your options. I'm not sure how long you have until you need to make the college/career decision, but as someone with only two years until I have to go to college, I know how stressful it can be. Two years seem to be flying by like 2 minutes when thinking about my future. 

Also, which class do you like better? Do you like science related to anatomy, like Biology, more, or do you like English, and enjoy when you get to write essays and short stories for your assignments more?

Another thing I can suggest is writing down the benefits to either profession as well as the drawbacks. Make sure your drawbacks do not include not being able to do the other profession, or you'll send yourself into some subconscious, paradox–induced panic attack, and we don't want that to happen. Think about what you'll be able to do in the world with either profession. Which of these accomplishments is more important to you? Be sure to also consider how much you'll be able to make in each profession, since your future self will thank you a lot for it later. Just do as much research about either profession as you can. 

There are a lot of factors to consider when choosing a profession, but make sure, in your final decision, that you choose something that you know you'll love and will never regret doing. I'm sure it wouldn't hurt to talk with a trusted parent or loved one about this decision, as well. 

I hope this helped you out! I know how it feels to be in such turmoil over things like this, where the outcome can be so unpredictable. But thank you for reading this all the way through if you got to the end, and feel free to ask me any additional questions if you have any. :-)

Choosing between a career as a brain surgeon and a novelist involves weighing the time commitment for education and training against immediate earning potential. Additionally, personal passion, societal impact, and job significance in relation to one's lifestyle should be considered. The value of a career isn't solely determined by financial gain or status.

Deciding between becoming a brain surgeon or a novelist involves considerations beyond immediate income. The hypothetical scenario emphasizes that both professions, in this case, pay $150,000 annually, with a key difference in time invested in education and training. A brain surgeon requires extensive education and does not begin earning until about age 35, whereas a shoe shiner, used metaphorically for immediate income jobs like novel writing, earns from age 16. This leads to an opportunity cost of $2.85 million over 19 years.

However, career decisions are not solely based on financial aspects. They require considering personal interests, skills, and societal needs. A brain surgeon's job is highly specialized, and few people possess the necessary skills, which warrants a high income as an incentive. Conversely, a novelist's path may allow more immediate creative expression and potentially earlier financial independence.

It's essential to consider long-term consequences and uncertainties in career choice. Your passion, societal impact, and desired lifestyle must all shape your decision. Moreover, the intrinsic value of different professions cannot be solely quantified by income or prestige. Jobs like brain surgery or coal mining are both critical, and their importance is context-dependent.

What's each mixed number that has the same denomination for 2 4/5

Answers

The mixed number that has the same denomination for 2 4/5 is 4 3/5


if the diameter of a wheel os 0.5meters, then the radius of the wheel is how many centimeters?

Answers

8.9 i think im not very sure!

Does 5 hundreds = 50 tens?

Answers

Yes, It actually does

Yes 5 hundreds = 50 tens

the oak tree at school was 34 feet tall then it grew 18 feet taller how tall is the oak tree now


Answers

34 + 18
the tree grew 18 ft taller meaning (+18)
add the two numbers to get

52 feet.
Let's use the facts the problem gives us to solve this:

The oak tree began at 34 feet, then grew 18 feet. We must add 18 to the original 34 feet the oak tree began at to find the current height of the tree.

34 + 18 = 52

Now, the oak tree is 52 feet tall. I hope this helps! :)

The letter x represents the units digit of the five-digit number 1571x. If the five-digit number is divisible by 6 and x is not 0, what number could x be?

Answers



1572/6 = 262 which is an integer so x could be 2

X could also be 8 because 1578/6 is 263

Evaluate 5/9(f-32)
when f=50

Answers

Final answer:

To evaluate 5/9(f-32) when f=50, substitute 50 into the expression, simplify the bracket (50 - 32 = 18), and then multiply the result by 5/9. This simplifies to 18/9 (which is 2), and then 2 x 5, yielding a final answer of 10 degrees Celsius.

Explanation:

To evaluate the expression 5/9(f-32) when f=50, you need to plug the value of f into the expression and then simplify it.

Here are the steps:

Substitute 50 for f in the expression: (5/9) × (50 - 32).

Calculate the bracket first: 50 - 32 = 18.

Multiply the result by 5/9: (5/9) × 18.

Divide 18 by 9, which gives you 2.

Finally, multiply 2 by 5, which gives you 10.

Therefore, 5/9(f-32) evaluated at f=50 is 10 degrees Celsius.

A relation is plotted as a linear function on the coordinate plane starting at point A (0, 3)
and ending at point B (2, 7).

What is the rate of change for the linear function and what is its initial value?


Select the choices to correctly complete the statements.

The rate of change is ? Use one of THESE CHOICES ON THIS SIDE to replace the question mark.
A) 0
B) 2
C) 4,
D) 7

And the initial value is ? Use these choices HERE NOT ABOVE, but here to replace the question mark.
A) 0
B 2
C) 3
D) 7


Answers

Rate of change = 7-3 / 2-0 = 4/2 = 2

So, option B is your answer.

Initial Value = 3-0 = 3

So, option C is your answer.

Don't confuse with two answers, cause the question contains two parts so they both have their corresponding answers.

Hope this helps!

What is the length of diagonal BD in rectangle ABCD if BC=5 and CD=8.

Answers

I hope this helps you

write a division problem that has two digit dividend and 1 digit divisor show how to solve it by drawing a quick picture

Answers

20 divided by 5 draw 5 baskets and divide until you get 20 apples

The required quotient is 11 from the division of 22  by 2.

Given that,
To write a division problem that has two digit dividend and 1 digit divisor.

What is arithmetic?

In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication and division,

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
let the two-digit dividend be 22 and the divisor be 2,
Now,
2  ]  2 2 [ 11
      2
     -

 -------------
      0 2
          2
       -
   ------------
       00

Thus, the required quotient is 11 from the division of 22  by 2.

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Brian bought 8 postcards during 4 days of vacation. How many days will Brian have to spend on vacation before he will have bought a total of 18 postcards? Assume the relationship is directly proportional.

Answers

it would be 36 postcards since you can mupity 18 by 4 you have to divide the proportional  that be by 4 and 2 and you can do it by 9 so the to the other number and you will get 36 
he would have been on ten days of vacation.

It is almost the end of the grading period. I have 730 out of 880 points so far in my math class which means I currently have a B (83%). There are 90 points remaining before grades come out. My teacher rounds each student's score to the nearest percent. What is the fewest number of points I need to get and end up with a grade of...
C (at least 70%)?_____
B (at least 80%)?_____
A (at least 90%)?_____

Plz help me figure this out

Answers

What is being asked here? Are they asking for the passing grade or the total with all the other 90 points added? I think it is A, 90%
616 for a 70%, 704 for an 80%, and 792 for a 90%
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