Excel
Popular questions and responses by Excel
math
Let L1 be the line passing through the points Q1=(4, −1, −2) and Q2=(1, 0, −1) and let L2 be the line passing through the point P1=(−6, 21, −8) with direction vector →d=[−3, 9, −3]T. Determine whether L1 and L2 intersect. If so, find the
asked on October 18, 2015 
Maths
In a school, four out of five students have calculators.If two students are picked at random,what is the probability that a) both have a calculator b) only one has a calculator
asked on January 2, 2020 
math
Find conditions on k that will make the following system of equations have a unique solution. To enter your answer, first select whether k should be equal or not equal to specific values, then enter a value or a list of values separated by commas. Then
asked on October 12, 2015 
Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked on April 11, 2015 
Math
Determine the coefficient of wx^3y^2z^2 in (2w−x+y−2z)^8
asked on April 20, 2015 
Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked on April 9, 2015 
Chemistry
Balance: Mno4 + Fe2+  Fe3+ +Mn2+
asked on January 27, 2020 
English
Please I need help with the introduction and conclusion of my essay titledimportance of cleanliness
asked on January 2, 2020 
Maths
In a large crowd there are three times as many men as women .three people are chosen at random. Assuming that there are so many people that choosing three has a negligible effect on the proportion of men to women , find the probability that they are. a)
asked on January 2, 2020 
Math
Find a polynomial p of degree 3 so that p(4) = 5, p(−1) = 5, p(−3) = −37, p(2) = −7, then use your polynomial to approximate p(1). p(x) = 0 p(1) = 0
asked on October 11, 2015 
Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked on April 9, 2015 
mah
Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a. Explain why the description above defines a Boolean algebra.
asked on April 8, 2015 
Programming in Java
Write a program to calculate adjacent and opposite of a triangle. My code can calculate hypotenuse but won't calculate opposite and adjacent.
asked on March 15, 2015 
English
How to I write an article suitable for publication in a national newspaper
asked on April 5, 2020 
Geography
What are the causes of volcano
asked on January 3, 2020 
English
Can the introduction take this form  First of all, what is cleanliness? According to Miriam Webster's dictionary, cleanliness is the property of being habitually clean and having good hygiene. Cleanliness has a lot to do with safe and healthy living
asked on January 2, 2020 
Physics
What are transverse and longitudinal waves with examples
asked on January 2, 2020 
Geography
Please can someone explain the concept of earthquake
asked on January 2, 2020 
Chemistry
Explain chatelier's principle
asked on January 2, 2020 
Chemistry
What is cracking of petroleum
asked on January 2, 2020 
English
Please I need someone's help quickly .We were asked to write a speech on the importance of cleanliness and I don't know how to begin .I'm in grade 11
asked on January 2, 2020 
Civic
What are the major local/world civic problems
asked on February 27, 2019 
Math/Computers
Let ∑ = {0,1, 2, 3, 4, 5, 6, 7, 8, 9, +, =} and consider the language L of all strings over ∑ that constitute a valid equation of the form a + b = c where a, b, and c are nonnegative integers represented in base 10, without leading zeros. Some
asked on October 19, 2018 
math
Consider the function:(2x^2 +3x 7) y= 2x^2x +3x +17 Find y ′ using implicit differentiation. Do not solve for y. What is the slope of the tangent at (x,y) = (−1,−1)? Find y ′ by solving for y and using the quotient rule. What is the slope of the
asked on April 1, 2017 
Precalulus
Kindly help with this question. Thanks. Solve the following equation for x. 2/3x  7  3/2x  1 = 3/2
asked on January 23, 2017 
math
Let L be the line with parametric equations x = −8+2t y = 4+3t z = −4 Find the vector equation for a line that passes through the point P=(−2, 1, 3) and intersects L at a point that is distance 2 from the point Q=(−8, 4, −4). Note that there are
asked on October 25, 2015 
math
Let L1 be the line passing through the points Q1=(−2, −5, 4) and Q2=(4, −1, 2) and let L2 be the line passing through the point P1=(10, 8, −7) with direction vector →d=[1, −1, 2]T. Determine whether L1 and L2 intersect. If so, find the point of
asked on October 24, 2015 
math
Let L1 be the line passing through the points Q1=(4, 1, 2) and Q2=(0, −1, 4) and let L2 be the line passing through the point P1=(20, 8, −7) with direction vector →d=[−3, −1, 2]T. Determine whether L1 and L2 intersect. If so, find the point of
asked on October 18, 2015 
math
Let L1 be the line passing through the points Q1=(4, −1, −2) and Q2=(1, 0, −1) and let L2 be the line passing through the point P1=(−6, 21, −8) with direction vector →d=[−3, 9, −3]T. Determine whether L1 and L2 intersect. If so, find the
asked on October 18, 2015 
Math
The parametric equations for a line L1 are as follows: x = 2+2t y = 2+2t z = −3+2t Let L2 be the line parallel to L1 and passing through the point (1, −4, −3). Find the point P on L2 whose xcoordinate is −4. P = P(−4, 0, 0) Thanks
asked on October 18, 2015 
Math
Create a finitestate machine which accepts strings whose characters are in {a, b, c} and produce output strings of T s and F s. The machine outputs a T once the character pair ab (the characters must be adjacent) is encountered in the string. Before this
asked on June 1, 2015 
Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked on April 19, 2015 
math
A professor gave his 40 students a test with three questions. Every student answered at least one question. Ten student did not answer the first question, 14 did not answer the second question, and 12 did not answer the third question. If 18 students
asked on April 13, 2015 
math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked on April 9, 2015 
math
Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a). Explain why the description above defines a Boolean
asked on April 8, 2015 
mah
Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and complement to be set complement. Consider 1 to be A and 0 to be ∅. a. Explain why the description above defines a Boolean algebra.
asked on April 7, 2015 
Math
Give the negation of the statement ∃! x ∈ U [P (x)].
asked on March 19, 2015 
MATH help please
Let R be the relation on ℤ+×ℤ+ defined by (a,b)R(c,d) if and only if a−2d=c−2b. (a) prove that R is an equivalence relation (b) list all elements of the equivalence class [(3,3)] (c) find an equivalence class that has exactly 271 elements. (d) is
asked on August 12, 2014 
Math (Discrete Math)
find the least positive integer N so that 1
asked on July 16, 2014 
Economics
Suppose that a perfectly competitive market is described by the following supply and demand equations: QD = 300 – P and QS = 2P. Suppose that government subsidizes this good: for each unit sold government pays $15 to the seller. (a) What is the
asked on June 23, 2014 
math help please
Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x.  find integers m, n, and k so tha f(m)=3, f(n) = 4 anf f(k) = 5 is f oneto one? Explain, is f unto? prove is it true that all positive odd
asked on March 21, 2014 
math
Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x.  find integers m, n, nd k so tha f(m)=3, f(n) = 4 anf f(k) = 5 is f oneto one? Explain, is f unto? prove is it true that all positive odd
asked on March 20, 2014 
discrete math
Let f:ℤ+ → ℤ+ be the function defined by: for each x ∈ ℤ+, f(x) is the number of positive divisors of x.  find integers m, n, nd k so tha f(m)=3, f(n) = 4 anf f(k) = 5 is f oneto one? Explain, is f unto? prove is it true that all positive odd
asked on March 20, 2014 
math
There exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 a) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational b) prove that if
asked on February 28, 2014 
THE HOMEWORK IS DUE TODAY HELP! HELP! PLEASE
There exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 a) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational b) prove that if
asked on February 27, 2014 
please help with math
There exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 a) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational b) prove that if
asked on February 25, 2014 
Math
1a) Prove that there exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 1b) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational 1c)
asked on February 17, 2014 
Math  Discrete math
1). Let G be the statement: " for all real numbers a and b, if a _a_ < 1/2 and b  _b_ < 1/2 then _a + b_ = _a_ + _b_" (the symbol is for the FLOOR of a and b) A. is G true? prove it b. state wether the CONVERSE, CONTRAPOSITIVE AND NEGATION ARE
asked on February 7, 2014 
Math  Discrete math
(1) For all integers y, there is an integer x so that x^3 + x = y. (2)For all integers x, x^3 + x is even Thank you for your help.
asked on February 7, 2014 
programming
Q. How do i make an optical illusion using turtle graphics? Thank you.
asked on February 7, 2014 
math
(a). Is it true that for all set of positive integers a, b, c. gcd(a,c) + gcd(b,c) = gcd(a + b,c). Explain (b) Is it true that there exist a set of positive integers a,b,c, such that gcd(a,c) + gcd(b,c) = gcd(a + b,c). Explain
asked on February 7, 2014 
geology
discuss the nomenclature and geometry of sand bodies
asked on February 23, 2012 
Phisic
A driver runs to the south at 20 m / s for 3 min, then turns west and runs to 25 m / s for 2 min, and finally turns to the northwest at 30 ni / s for I min. Find in this movement, 6 min, (a) the displacement vector the driver, (b) the speed climb and the
asked on August 23, 2010 
physics
A driver runs to the south at 20 m / s for 3 min, then turns west and runs to 25 m / s for 2 min, and finally turns to the northwest at 30 ni / s for I min. Find in this movement, 6 min, (a) the displacement vector the driver, (b) the speed climb and the
asked on August 22, 2010 
algebra
I just need to know if my work is correct. I am working in Excel and I need to find the formula for the expense Wages. I am not sure if wages consists of the gross pay or the net pay. Does anyone have any suggestions what it might be? I was thinking it
asked on May 25, 2010 
computers
Why do databases make information sharing so much more efficient and accurate among multiple users of the same data?
asked on February 25, 2010

Geography
I mean what are the causes of volcanic eruptions
posted on January 3, 2020 
Chemistry
Thanks
posted on January 3, 2020 
English
So does this mean the introduction is acceptable
posted on January 3, 2020 
Maths
Thanks
posted on January 2, 2020 
English
Thanks
posted on January 2, 2020 
Chemistry: Equilbrium
!@#$%^& you bob
posted on July 1, 2018 
computer programming
import java.util.Scanner; public class Names { public static void main (String[]args) { //declare variables String firstName, String middleName, String lastName, String monogram; // Create a scanner class Scanner input = new Scanner (System.in);
posted on March 14, 2017 
computer networking
Same question answered by  Matt , Monday, April 28, 2014 at 11:24am a) Draw the bits for the four octets of the IP address of the first host on the first subnet. 10000000.10101011.00000000.00000001 b) Convert this answer into dotted decimal notation.
posted on June 12, 2016 
Computer Science
1). binary to decimal 11111 = 2^4 2^3 2^2 2^1 2^0 = 16+8+4+2+1 = 31 Ans. 31 101011 = 43 1101011 = 107 2). decimal to binary 49 = 00110001 367 = 0000000101101111 1023 = 0000001111111111 3). Hex to decimal ACE = 2766 800 = 2048 4). Decimal to hex 64,206 =
posted on October 18, 2015 
programming
What programming language?
posted on March 16, 2015 
Programming in Java
I am given hypotenuse and height and question b I am given hypotenuse and base
posted on March 16, 2015 
physics
sorry !! A driver runs to the south at 20 m / s for 3 min, then turns west and runs to 25 m / s for 2 min, and finally turns to the northwest at 30 ni / s for I min. Find in this movement, 6 min, (a) the displacement vector the driver, (b) the speed climb
posted on August 23, 2010