why is communtative property of addition beneficial to an elementary school student? Why is associative property of multiplication beneficial to an elementary school student?

Q: Evaluate   2 - 5 . 4 - [ 6 . ( 3 - 4 ) ]

A: Given: Let y=2-5.4-6.3-4 To Find: To evaluate the given expression

Q: why do we round 12.33 up? Shouldn't it be 12?

A: Solution

Q: Explain about Counterbalancing.

A: Counterbalancing: It is a process used in within designs where the same subjects are exposed to…

Q: Sales at LL Boutique decreased 10% this month compared to last month. If sales this month were…

A: Given: Sales this month were $112581. And, the sales at LL Boutique decreased 10%  compared to last…

Q: A few years ago, a country consumed 19,300,000 barrels of oil per day. That same year, there were…

A: Given: Barrels of oil consumed by country per day approximately is 19,000,000 Number of households…

Q: If there is severe multicollinearity, which variable would you drop and why

A: Given information: The multiple linear regression output is given.

Q: What is the answer to the operation {1,2,3,4,5}∆{2,4,6}?

A: 1,2,3,4,5∆2,4,6 is solved as shown below.

Q: Explain to a friend why 2 + 3 . 4 = 14, whereas (2 + 3) . 4 = 20.

A: Whenever there is a mixed form of mathematical addition , subtraction , multiplication, and division…

Q: 20x - 80x * + 32x*- 8

A: As we know that: The sum/difference rule: f±g'=f'±g' The Power law: ddxxn=nxn-1 Given:…

Q: A bind is currently selling for $6,055, which is 86.5% of its face value.What is its face value?

A: c=$6055

Q: -51V3 iV-360 -6V10 V-135

A: Any root of a rational number, which cannot be exactly found is called a surd or a radical (an…

Q: A three-dimesnional plant box has an area of (27y^3 +125). If the height measures (3y+5) units, what…

A:

Q: What is a counterexample of "If I have 45 cents, then I have a quarter and two dimes"?

A: A quarter is worth 25 cents.  A dime is worth 10 cents. A nickel is worth 5 cents. A Penny is worth…

Q: How good was Wilt Chamberlain's 1961-1962 season compared to the rest of the NBA

A: Given that How good was Wilt Chamberlain's 1961-1962 season compared to the rest of NBA Basketball…

Q: (x-233 メp

A: Let I=∫-131x-23dx,  this definite integral geometrically represent the area enclosed by the curve…

Q: Differentiate ((x3+a3)/(x4+a4))

A:

Q: Evaluate s(s³ – 4) ³ -4) 3 ds Vs –10s² + 6 99. |

A:

Q: Explain why is undefined.

A:

Q: A pianist plans to play 3 pieces at a recital. In how many ways can she arrange these pieces in the…

A: We have to find no of ways

Q: I need help to understand substitution with homework question. Ty!

A: The given integral is I=∫22x+68dx. The integral is solved using substitution method. Consider…

Q: What is the difference? Please lay out the rules.

A: Hypothesis is the act in statistics in which analyst check the assumptions regarding the population…

Q: There are different ways that Shana can select snacks for her friends.

A: It is given that  Total number is types of candy = 8 Total number of types of soda = 10…

Q: Explain the difference between the commutative property of addition and the associative property of…

A: Commutative property of addition: Commutative property of addition states that if we add numbers in…

Q: What is a combination?

A: Combination: A combination is a mathematical technique that determines the number of possible…

Q: From the side-by-side boxplots for the heart rate of males and females, do there seem to be any…

A: Box plot is used to  detect whether the outliers presented in the data (or) not and to compare the…

Q: What is the bottom line for combining like terms?

A: Given: Combining the like terms.

Q: Why did the students come up with different values for the variable y

A: Given system of equation -5x-11y=-348x-12y=-4Student 1-Solve equation second 8x-12y=-48x=12y-4…

Q: Explain the difference between y, ŷ (y-hat) and ỹ (y-bar).

A: The three symbols are- y,y^,y¯

Q: where is the table???/

A: given function y=-0.2x-5-6 consider the function y=0.2x                ...i x y=0.2x -0.684…

Q: Harvard Computer Science department has offered x_value courses in Summer 2021. a. How many ways can…

A: Given that  Harvard Computer Science department has offered x_value courses in Summer 2021. To…

Q: How can I answer both A and B using excel?

A: Given: P (B) = 0.60 P (A | B') = 0.50 P (A | B) = 0.25

Q: How do you find lcd.

A: The Least common denominator or lowest common denominator (LCD) for a set of fractions that you want…

Q: Why multiplication/division and addition/subtraction have different rules in terms of identifying…

A: If we add or substract zero from a number then it will give the same number. But when we multiply of…

Q: Sales at LL Boutique decreased 10% this month compared to last month. If sales this month were…

A:

Q: Identify one reason why the complementation rule is useful.

A: Justification:The complementation Rule

Q: I need to know, what is the difference between red and orange in terms of cross multiplying?

A: We will check whether there is any difference between two terms or not.

Q: What

A:

Q: What is the Combination Rule?

A: Combination and permutation:Using permutations and combinations, the number of ways an object can be…

Q: The tanuf water industry produces 6 cartoons of water bottles every week. Each cartoon contains 24…

A: Given that Tanuf water industry produces 6 cartoons of water bottles every week. Also given that…

Q: What is PEMDAS?

A: We have to describe about pemdas

Q: Explain power in your own words?

A: Power: The power of the test is the probability of correctly rejecting the null, H0, when the…

Q: A sports equipment store is offering to sell 3 different types of bats and 7 different baseballs you…

A: Given data: A sports equipment store is offering to sell 3 different types of bats and 7 different…

Q: Explain why in paper-and-pencil addition and subtraction the terms trading and regrouping are used…

A: Answer is mentioned below

Q: Write a multiplicative comparison word problem that uses the numbers 4 and 6.

A: Let us consider an example, The cost of a cap be $4. A bag costs 6 times as much as the cap. How…

Q: 11 h4

A: see below the answer and calculation

Q: I just need a refresher what is a binomial

A: In the question it is asked to explain theory of binomial.

Q: 7x²- 10x

A:

Q: What is the y intercep?

A: