MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
a a a a a a a a a
Question
-a+a+a+a-a-a+a-a-a
Like
140
likes
701
views
Answer to a math question -a+a+a+a-a-a+a-a-a
Gerhard
4.5
90
Answers
1. Combine like terms:
-a + a + a + a - a - a + a - a - a
2. Group and simplify:
(-a + a) + (a - a) + (a - a) + (a - a) + a = 0 + 0 + 0 + 0 + a = a
Thus, the simplified expression is:
0
Frequently asked questions (FAQs)
What is the limit of (3x^2 + 4x - 2)/(5x^2 + 2x - 3) as x approaches 2?
+
What is the speed of a car that travels 200 km in 2 hours?
+
Math Question: What is the standard deviation of a dataset with the following numbers: 5, 10, 15, 20, 25?
+
New questions in Mathematics
A normal random variable x has a mean of 50 and a standard deviation of 10. Would it be unusual to see the value x = 0? Explain your answer.
A software company incurs a cost of $50 per license sold plus $5,000 in fixed costs. How many licenses should you sell to minimize total costs?
A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?
(x^2+3x)/(x^2-9)=
Express the following numbers in decimal system, where the subscript indicates the base: 110101 (SUBINDEX=2)
A consulting company charges a fee of $50 per hour for consulting. If their monthly fixed costs are $1,000 and they want to make a monthly profit of $2,500, how many consulting hours should they bill per month?
Derivative of x squared
Subscribers to the FAME magazine revealed the following preferences for three categories: Fashion 30, Athletics 24 and Business 15. Following these frequencies of observation, compute the chi-square test statistic. At the 0.05 level of significance, would you conclude they are similar?
If f(x,y)=6xy^2+3y^3 find (∫3,-2) f(x,y)dx.
(24, -7) is on the terminal arm of an angle in standard position. Determine the exact values of the primary trigonometric functions.
suppose random variable x follows poisson distribution with expected value 3. what is variance of x?
-1%2F2x-4%3D18
Determine a general formula (or formulas) for the solution to the following equation. Then, determine the specific solutions (if any) on the interval [0,2π). cos30=0
16.What payment (deposit) made at the end of each month will accumulate to $10473 in 13 years at 7.9% compounded monthly? Enter to the nearest cent (two decimals). Do not use $ signs or commas in the answer.
A person runs 175 yards per minute write a variable that represents the relationship between time and distance
A block slides across the floor with a force of 20N, which has an angle of 30°. The mass of the block is 2kg and the coefficient of friction is 0.1. Calculate the value of all the forces involved in this system and finally the value of the acceleration.
An election ballot asks voters to select three city judges from a group of 12 candidates. How many ways can this be done?
56 × 12 = 672. How should you adjust this answer 672 to determine 57 × 12? a) The answer increases by 1 b) The answer increases by 57 c) The answer increases by 56 d) The answer increases by 12
The perimeter of a rectangular rug is 42 feet. The width is 9 feet. What is the length?
An export company grants a bonus of $100,000 pesos to distribute among three of its best employees, so that the first receives double the second and the latter receives triple the third. How much did each person receive?
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
A sample is chosen from a population with y = 46, and a treatment is then administered to the sample. After treatment, the sample mean is M = 47 with a sample variance of s2 = 16. Based on this information, what is the value of Cohen's d?
A=m/2-t isolate t
2(2+2x)=12
I want to divide R$ 2200.00 between Antônio, Beto and Cássia, so that Beto receives half from Antônio and Cássia receives a third of Beto. Under these conditions, how much more will Beto receive than Cássia?
X^2 = 25
7273736363-8
The function g:Q→Q is a ring homomorphism such that g(3)=3 and g(5)=5. What are the values of g(8) and g(9)?
(2x+5)^3+(x-3)(x+3)
The equation of the circle that passes through (5,3) and is tangent to the abscissa axis at x=2 is a.(x-2)^2 (y 3)^2 = 9 b.(x-2)^2 (y-3)^2 = 9 c.(x-2)^2 (y-3)^2 = 4 d.(x-2)^2 (y 1)^2 = 4 e.(x-2)^2 (y-1)^2 = 4
Pedro had 80% of the amount needed to buy a game. Of this amount, you spent 15% on a watch and therefore, you will need to add another R$640.00 to purchase this game. Is the value of the game?
You mix a powder drug with a 4.5ml of liquid to get a reconstituted solution with a concentration of 250mg/ml. The prescribers order is for 500 mg . You will give what ml of the reconstituted solution
Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}
The price per night of a suite at the Baglioni Hotel in Venice is 1896 euros, VAT included. The VAT in Italy is 25%. The hotel gets a return of 10% out of the price VAT included. a) What is the amount of VAT paid by the hotel for one
3 A tree is planted when it is 1.2 m tall. Every year its growth is 3/8 of its previous year's height. Find how tall the tree will grow.
The question is using rule 72 determine Kari wants to save 10,000 for a down payment on a house. Illustrate the difference in years it will take her to double her current 5,000 savings based on 6%, 12% and 18% interest rate .
When Sara was 15 years old, an uncle left her as inheritanceà a sum of 10,000 euros which he invested in a bank that applies the interest rate of 2,5% annual. Today Sara is 18 years and wants to buy a'car, how much she can ò withdraw from the bank?
effectiveness of fiscal and monetary policy under closed and open economies
Given the word WEIRD, determine a four-letter offspring that can be formed with the letters of the word written above
A 20,000 kg school bus is moving at 30 km per hour on a straight road. At that moment, it applies the brakes until it comes to a complete stop after 15 seconds. Calculate the acceleration and the force acting on the body.
A grain silo has a height of 8.8m with a 11.4m diameter. If it is filled 0.5% of it's volume, how much grain (m^3) is stored in the silo? (0 decimal places)