Robetoacademics

Linear Algebra Chapter 2 Theorem 1 - CORRECT ANSWER-A, B, and C are matrices of the same size, and r and s are scalars. A+B=B+A (A+B)+C=A+(B+C) A+0=A r(A+B)=rA+rB r(sA)=(rs)A matrix multiplication - CORRECT ANSWER-if A is an mxn matrix and if B is an nxp matrix with columns b_1,....b_p, then the product AB is the mxp matrix whose columns are Ab_1,...Ab_p. That is, AB = A[b1 ... bp] = [Ab1 .... Abp] Each column of AB is a linear combination of A using weights from the corresponding ...

Math Answers #5 area under the graph -CORRECT ANSWER- .939 #6 normal distribution -CORRECT ANSWER- 40% #16 confidence level 300-500 -CORRECT ANSWER- .55706--.64294 #12 4 defective parts -CORRECT ANSWER- 25% #13 mean problem with Doritos -CORRECT ANSWER- 13.875 #14 mean problem -CORRECT ANSWER- 10 #15 confidence with not enough info -CORRECT ANSWER- 50.7-58.5 #11 heads and tails -CORRECT ANSWER- 55% #21 -CORRECT ANSWER- 560 #3 z score -CORRECT ANSWER- 1.75 #9 52 c...

Chemistry Multiple Choice Questions The smallest particle of a compound that retains the chemical properties of the compound is a(n) ? - CORRECT ANSWER-molecule Which of these elements is a nonmetal: Aluminum, Sulfur, Calcium, Lead, Sodium - CORRECT ANSWER-Sulfur Which of the following elements is a member of the Halogen Family: Calcium, Bromine, Cobalt, Gold, Cesium - CORRECT ANSWER-Bromine When a pure solid was heated a student obtained another solid and a gas. Each of which was a ...

Chemistry element - CORRECT ANSWER-substance that CANNOT be chemically broken down into simpler substances atom - CORRECT ANSWER-smallest part of an element that can be identified as that element nucleus - CORRECT ANSWER-center, or core, of an atom (where the protons and neutrons are located) proton - CORRECT ANSWER-particle that has a positive charge - located in the nucleus of an atom. You can figure out the number of protons by looking at the atomic number of an element. neutro...

Chemistry Notes What is chemistry? - CORRECT ANSWER-The study of matter, it's properties, the changes that mater undergoes, and the energy associated with these changes. What is matter? - CORRECT ANSWER-Anything that has both mass and volume. The "stuff" of the universe. What is meant by composition? - CORRECT ANSWER-The types and amounts of simpler substances that make up a sample of matter. What are properties? - CORRECT ANSWER-The characteristics that give each substance a uniq...

Survey of Accounting 7e Warren: Chapter 1 Definition: Business - CORRECT ANSWER-An organization in which basic resources (inputs), such materials and labor, are assembled and processed to provide goods and services (outputs) to customers. Definition: Profit - CORRECT ANSWER-The difference between the amounts received from the customers for goods or services and the amounts paid for the inputs used to provide goods and services. Types of Businesses: Service Businesses - CORRECT ANSWER...

C++ concepts language - CORRECT ANSWER-tool for expressing and recording human thoughts, to understand and to be understood. programming language - CORRECT ANSWER-defined by a set of certain rigid rules, much more inflexible than any natural language. lexicon - CORRECT ANSWER-determine which symbols (letters, digits, punctuation marks, and so on) could be used in the language. Any program written by us must be correct in these three ways: lexically, syntactically and semantically. Other...

Macroeconomics - Exam Questions scarcity exists because of: - CORRECT ANSWER-unlimited wants and limited resources the basic difference between macroeconomics and microeconomics is: - CORRECT ANSWER-micro concentrates on the behavior of the individual consumers and firms, while macro focuses on the performance of the entire country additions to human capital can be made through: - CORRECT ANSWER-improved education and on-the-job training an example of physical capital is: a - a $10...

Biology Photosynthesis What is the input for the light reactions? - CORRECT ANSWER-light energy and H2O Which of the following questions is most relevant to understanding the Calvin Cycle? - CORRECT ANSWER-How is ATP used in the formation of 3-carbon carbohydrates? Which of the following is a reactant in photosynthesis? - CORRECT ANSWER-Carbon Dioxide Which of the following describes the pathway of electrons in the light reactions? (O2 = oxygen, PS = photosystem) - CORRECT ANSWER-O2 ...

Algebra test Have out a piece of paper for all of these problems -CORRECT ANSWER- what is the degree of -5a^2b^3c^7 -CORRECT ANSWER- 12 degree write a trinomial with a degree of 8 and a constant term of 3 -CORRECT ANSWER- 12a^2b+13c^2b^6+3 simplify in standard form: (4x^3-5x^2+2x)- (x^3+6x^2-8) -CORRECT ANSWER- simplify: (x+5)(x^2-4x+2) -CORRECT ANSWER- factor: x^5+5x^2 -CORRECT ANSWER- factor: 4x^2+11x+6 -CORRECT ANSWER- factor by grouping, it won't tell you to gro...