$MathMaster logo$

MathMaster

Home
general
a a a a a a a a a

Question

-a+a+a+a-a-a+a-a-a

140

likes

701 views

Answer to a math question -a+a+a+a-a-a+a-a-a

$Expert avatar$

4.5

92 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 probability of rolling a six-sided die and getting either a 2 or 5?

+

What is the probability of flipping heads exactly 4 times out of 10 coin flips?

+

What is the result of multiplying the vector (2, -3) by the vector (-4, 5)?

+

New questions in Mathematics

How much volume of water in MegaLiters (ML) is required to irrigate 30 Hectare crop area with depth of 20mm?

What is the coefficient of elasticity of the material that must be placed on the heel of the 10 cm high clog, with a base area of 2 cm² so that it deforms only 2 cm when the force on it will be a maximum of 600 N.

Karina has a plot of 5000 square meters in which she has decided that 60% of it will be used to plant vegetables. Of this part, 12% will be dedicated to planting lettuce. How much surface area of the plot will be used to grow lettuce?

Find the equation of the normal to the curve y=x²+4x-3 at point(1,2)

Imagine that you are in an electronics store and you want to calculate the final price of a product after applying a discount. The product you are interested in has an original price of $1000 MN, but, for today, the store offers a 25% discount on all its products. Develop an algorithm that allows you to calculate the final price you will pay, but first point out the elements.

5) A family with a father, mother and 3 children must sit on five chairs in a row and the only restriction is that the mother must be at one end. In how many different ways can they be seated?

How do you think the company has increased or decreased its income?

A, B, C and D are numbers; If ABCD = 23, What is the result of ABCD BCDA CDAB DABC operation?

Substitute a=2 and b=-3 and c=-4 to evaluate 2ac/(-2b^2-a)

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.

Express the trigonometric form of the complex z = -1 + i.

find missing measure for triangle area = 48 m square base = 10m heaighy = ? m

The annual real property tax liability for a residential property is $4302 and has been paid by the seller in advance of closing. Using the 30-day month/260-day year method what will be the tax proration entry on the settlement statement round to the nearest dollar for a closing on Oct. 26 if the buyer owns the day of closing? a. $3525 credit to the buyer and $777 debit to the seller b. $777 debit to the buyer and $3525 debit to the seller c. $777 credit to the buyer and $777 debit to the seller d. $3525 debit to the buyer and $3525 credit to the seller *Can anyone help with this? I am studying for my real estate exam and am having trouble with some of the calculations :)

Find the equation of a straight line that has slope 3 and passes through the point of (1, 7) . Write the equation of the line in general forms

How do you convert a fraction to a decimal

8. Measurement Jillian measured the distance around a small fish pond to be 27 yards. What would be a good estimate of the distance across the pond: 14 yards, 9 yards, or 7 yards? Explain how you decided.

A confidence interval for a population mean has a margin of error of 3.5. a. Determine the length of the confidence interval. b. If the sample mean is 47.8 , obtain the confidence interval. a. The length of the confidence interval is?

Consider a sample space S, and two events A and B such that P(A ∩ B) = 0.2, P(A ∪ B) = 0.6, P(B ∪ ̄A) = 0.8 (a) [0.5 points] Calculate P (A). (b) [0.5 points] Calculation P (B)