(a) What is ∑x?    (b) What is ∑y?  (c) What is ∑x2 ?  (d) What is ∑y2 ?   (e) What is ∑xy?

Q: . Explain the steps involved in rationalizing a denominator. What is the logical first step in…

A:

Q: Is the expression meaningful? Or meaningless? Explain

A: Given that the expression is a.b+c   Here we have to define whether the given expression is…

Q: Try to evaluate 36–3/2 without using a calculator. Enter your answer as an integer or simplified…

A: The objective is to evaluate the given expression.

Q: How to simplify the expression: ¬q∧(p⇒q)

A: We will form a truth table for this expression: ¬q∧(p⇒q)

Q: I am in Fundamental Math 3. 0 + -8 is my question. Is it 0 or -8? Thank you.

A:

Q: How much is 0 x , where x is any non-zero number? How much is 0 x for any positive power of x? How…

A: To find x0, where x is any non zero number. for any positive number a, 0=a-a Therefore, x0=xa-a…

Q: Write 5 applications of Deravative with explanation in detail.Also Write exam

A: Explanation and solution is given below....

Q: What are the expressions simplified and are they inverses

A: See the attachment

Q: 1) What is Simplifying numbers in standard form? 2) discussion of the concept of numbers in standard…

A: Standard form in Math is mentioned for basically decimal numbers, equations, polynomials, linear…

Q: Select all the possible steps that can be used to simplify the expression X. 12-4 6- 1843i (E^)-…

A: It is simplification.

Q: Numbers are the foundation of math in the middle ages.  True or False?

A: True

Q: 7. 741 74 3r+23 Pr-73

A: Solve for x

Q: What do you think? Why did mathematicians create these different categories? Why may it be helpful…

A: In mathematics the mathematicians the whole numbers, integers and rational numbers. Because of easy…

Q: What are the importance of mathematical language

A: Mathematical language is very important throughout the life.

Q: Tell me a story about submarines (or, even better, hot air balloons) that you could use to…

A: The given expression is: 3--1 Consider a number line. Assume that a a hot air balloon is on the…

Q: Basics of algebra?

A: see 2nd and 3rd step we have some basic formulas of algebra and some properties.

Q: How to read {? ∈ ℝ+| 0 < ? < 1} in words

A: {x ∈ ℝ+| 0 &lt; x &lt; 1} can be written in words as : x is a positive real number such that ...

Q: Which expression is equal to (x+3)^2

A:

Q: How do I do simple algebra

A: Given,      how to do simple algebra?

Q: The product of positive numbers is always positive Is this true or false? Also provide a example for

A: We have to check

Q: Simplify the expression.

A:

Q: How do you add algebra

A: Algebra is a branch of mathematics sibling to geometry, analysis (calculus), number theory,…

Q: What is the difference between simplifying an expression and evaluating an expression?

A: Simplifying an expression:  To simplify an expression, we need to take all similar term together.…

Q: on-computer mathematical expression into computer expressions.

A: discriminant = b * b - 4 * a * c; root1 = (-b + sqrt(discriminant)) / (2 *a) ;

Q: True or false: if the discriminant is -22, the formula cannot be simplified further.

A: We have given the discriminant  D= -22

Q: Simplify th expression (-2*(3^0.5)-2j)^12

A:

Q: Simplification of Algebraic expression Simplify the following by adding like terms:

A: NOTE- As we are allowed to answer three subparts of any question in one session. so, i have answered…

Q: Simplify the following expressions fu (x+2)(x- x+3) 1. 3. x+2 2-x 25-x.15x+1 3x,5-x

A:

Q: Explain the steps involved in rationalizing a denominator. What is the logical first step in…

A: Steps and logic involved in rationalizing the denominator of 53.

Q: annual profit of a small company was $27,000 in its 2nd year of operation and $63,000in its 5th…

A: Given, t is the time in years For t=2 years Annual profit= $ 27000 For t=5 years Annual profit=…

Q: What is the geometric mean of 4 and 20? Express the answer in simplest radical form.

A: The given numbers are 2 and 40.

Q: A 400-lb cable is 250 feet long and hangs vertically from the top of a building. How much work is…

A: Work = Force × displacement

Q: What is (-4 + i)(4- i) simplified? O A 17 + 8i O B -17+ 8i -15 + 8i OD -16-i

A: topic - complex numbers

Q: No need for explanation

A: It was stated that Barzman Inc., which produces water, wants to analyze the mineral contents (gm) in…

Q: What is the parentheses or "round brackets used for in algebra? State along with an example

A: The parentheses or ‘round bracket’ represented by ‘( )’.

Q: Explain, by illustration, taht z-z* is always purely imaginary or zero. What distinguishes these two…

A:

Q: fator the expression -119. x*y' – xy 121. 3x – x – 12x + 4 120. 18y'r – 2xy* 122. 9x + 18x - x - 2

A: Since you have posted multiple questions, as per our policy we will answer first question. Please re…

Q: a) expression: Explain shortly the meaning of the X~ Bin (n, p).

A: Here use basic of Binomial distribution  Binomial distribution is Discrete probability Distribution

Q: How do we do in excel

A:

Q: What is the value of x? x= Type an integer or a decimal.) Fro

A: We need to find x.

Q: how can mathematical formulas in scientific investigations be determined

A: Linear equations are an important tool in science and many everyday applications. They allow…

Q: х х+2 b. Simplify the expression; x-2 completely and find the 1+x value(s) of x for which the…

A:

Q: Why is it (2n-1)*pi/2. Can you please explain it to me. Thank you

A: We have in the previous line

Q: Simplify the following expression. 3 In x e 3 In x = e

A: Our Aim is to simplify the expression given below:-e3 ln (x) -(i)

Q: dd the algebraic expressions applying the rules of signed numbers. 2a and 3a

A: Given algebraic expressions 2a,3a  Now we have to add the given algebraic expressions by applying…

Q: 11! -0.2³ . 0.2* . 0.6* 4 · 0.2 - 0.6° 3!4!4! = 0.019

A: Given: PX=11!3!4!4!×0.23×0.24×0.64

Q: Express the sum of x and y reduced by c as an algebraic expression.

A: Express the sum of x and y reduced by c as an algebraic expression.

Q: What is the first step to work out algebra

A: The observation method helps to find the rule for the relationship and the next numbers in the…