heidi
This page lists questions and answers that were posted by visitors named heidi.
Questions
The following questions were asked by visitors named heidi.
                        Three balloons filled with three diffferent gaseous compounds each have a volume of 22.4 L at STP. Would these balloons have the same mass or contain the same number of molecules? Explain.
                    
                    17 years ago
                
                        Calculate the percent composition of calcium acetate.
                    
                    17 years ago
                
                        The length of a rectangular swimming pool is 15 feet longer than the width. If the perimeter is 82 feet, then what are the length and the width?
                    
                    16 years ago
                
                        Solve the following matrices (I don't know how to do brackets so I will just use commas to separate the numbers and put them in different lines) A= 0, -2, 3, 1 -3, 1, 0, 4 0, 5, -2, -1 B= 1, -4 -2, 1 3, 0 C= -1, 0, 2 0, 3, 4 0, 8, -1 E= 1 2 3 4 F= -2, 5 3...
                    
                    16 years ago
                
                        Solve the following matrices.(sORRY I DON'T KNOW HOW TO DO THE BRACKETS) B= 1, -4 -2, 1 3, 0 D= 0, 1 1, 0 G= -3, 1 4, 5 FIND: a) DG = b) GD = c) BG = d) DD = e) GG =
                    
                    16 years ago
                
                        What is grammatically wrong with this sentence? "A person needs to submit their homework on time."
                    
                    16 years ago
                
                        What is grammatically wrong with the following sentence? "If someone feels they haven’t been treated respectfully, the odds are they’re right."
                    
                    16 years ago
                
                        Can anyone find a site that gives all the general types o0f human cells/
                    
                    16 years ago
                
                        Need ideas on how getting an education is so important for children. please answer. Thx
                    
                    16 years ago
                
                        factors that enhance or impede information flow in each step of the process
                    
                    15 years ago
                
                        Evaluate and tabulate the values of y for the given values of x. Tabulate your answer in the form of ordered pairs (x, y). y = 2x, for x = -2, -1, 0, 1, 2
                    
                    15 years ago
                
                        how do i do a report that is due in 2 day that is on the 5 themes of geography and has to do with a current event i need help and i am having a break down how can i work like this HHHHHEEEEEELLLLLLLPPPPPPP ME
                    
                    14 years ago
                
                        Fill in the blanks: For all sets A and B, if A is in the set of B, then A union B in in the set of B. Proof: Suppose A and B are any sets and A in in the set of B. [we must show that __________] Let x be and element of _______. [we must show that ________...
                    
                    14 years ago
                
                        the number of students is 150 more than adults, the student tickets are $3 and adult tickets are $5 the total sales was 4730 how many students attended
                    
                    14 years ago
                
                        you have a 20 x 20 area and you have 4 14 foot fences plus 4 4 foot fences and you need to house 9 dogs and none can be together how do you do it?
                    
                    13 years ago
                
                        Mr.Shea saved $2,500 in April. His monthly salary is Twice the amount he saved in April. In May, he saved a certain amount of money.He spent $4,200 more than the amount he saved. How much did he save in May.
                    
                    13 years ago
                
                        if two angles are supplementery and one is 48 degrees more than 3 times the other what is the measure of the smaller angle
                    
                    13 years ago
                
                        can you put the following nmbers in order form least to greatest? 17.11; 17.107; 17; 17.001
                    
                    12 years ago
                
                        In 2004, which ethnic or racial group was at a lower risk of suicide for people ages 65 or older? A. Hispanics B. Asian and Pacific Islanders C. Non-Hispanic Blacks D. Non-Hispanic Whites c
                    
                    12 years ago
                
                        40% to 525 what is original amount.
                    
                    12 years ago
                
                        you invest $2800 in an account that pays an interest of 5.5%, compounded continuously. calculate the balance of your account after 12 years.
                    
                    12 years ago
                
                        what means out of 100?
                    
                    11 years ago
                
                        a parabola whose axis is parallel to the y axis passess through the points {1,1), (2.2) and (-1,5). Find the equation of the parabola
                    
                    9 years ago
                
                        Martin invested $6,500 in a bank at a simple interest rate of 6.5%. How much interest would he receive after 4 years? Use I=PRT
                    
                    9 years ago
                
                        if tammy can clean 1/2 the area in an hour by herself and melissa can clean 1/3 the area by herself in an hour then how long will it take them to clean the area together.
                    
                    8 years ago
                
                        solve the following system of equations, please show work 3x-2y+z=12 x+3y+z=-4 2x+2y-4z=6
                    
                    8 years ago
                
                        1/4 (8x + 4) + 3x
                    
                    3 years ago
                Answers
The following answers were posted by visitors named heidi.
                        So would I change it to the following: The word someone is singular. Therefore you would change they’re to he or she.
                    
                    16 years ago
                
                        I think it would be 30000000km^3
                    
                    15 years ago
                
                        im just looking for problem set up
                    
                    14 years ago
                
                        I'll try.... 17; 17.001; 17.107; 17.11
                    
                    12 years ago
                
                        Mine was wrong this is my husbands work. I am having a hard time understanding this math. (daughters 5th grade).Does place value start to the right of the decimal with tens?
                    
                    12 years ago
                
                        Decrease
                    
                    12 years ago
                
                        45 is the sum of 13 and Rita's score.
                    
                    8 years ago