Questions Asked on
July 30, 2018

world history
What impact did the collapse of the Soviet Union have on the end of segregation in South Africa? a The decline of the Soviet Union allowed for the United Nations to intervene in the segregation policies of the South African government. bThe decline of
asked by fred 
history
What was the significance of the Gothic Line? a It was a line of convoy trucks that supplied the Allies as they attempted to take Italy from Axis control. b It was a set of fortifications in Italy that gave the Allies the upper hand when they broke through
asked by Monica 
history
Which identifies the term for the genocide of more than 6 million Jews by the Nazi Regime during World War I? the Holocaust Nanking Massacre the Killing Jewish Massacre is it A?
asked by Monica 
history
When the stock market crashed in 1929, it had a ripple effect that impacted European nations, among others. In what specific way were European economies tied to the US economy? a.They all adhered to the gold standard. b.All were awaiting repayment by
asked by Monica 
math
An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 900 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate
asked by Mary 
Science
The magnitude of the electrostatic force between two identical ions that are separated by a distance of 5.0A is 3.7×10^9N. a) what is the charge of each ion? b) how many electrons are missing from each ion( thus giving the ion its charge imbalance)?
asked by Kikks 
Algebra
Michael's bank contains only nickels, dimes, and quarters. There are 63 coins in all, valued at $5.50. The number of nickels is 5 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
asked by heather 
Algebra
A $148,000 trust is to be invested in bonds paying 7%, CDs paying 6%, and mortgages paying 8%. The bond and CD investment must equal the mortgage investment. To earn a $10,860 annual income from the investments, how much should the bank invest in bonds?
asked by china 
math
A $76,000 trust is to be invested in bonds paying 8%, CDs paying 7%, and mortgages paying 10%. The bond and CD investment must equal the mortgage investment. To earn a $6670 annual income from the investments, how much should the bank invest in bonds? A)
asked by sandy 
chemistry
Calculate the volume of hydrogen gas from the C4H9O3N compound, under temperature or pressure conditions (STP).
asked by william 
Physics
A uniform horizontal beam 300N 5m long is suspended vertical from its two end by a rope, if a 600N person stands in 1.5m from its left end find the tension in each end of the rope.
asked by Mordu 
Algebra
The prices of the systems are: $1200 for System 1, $1500 for System 2, $1600 for System 3, and $1800 for System 4. Write the information from the table as a 4 x 3 matrix B. Write a row matrix A for which the entries represent the prices for the systems. If
asked by Mary 
math
The ratio of guppies to angelfish in a shop was 2:3. The number of angelfish was 2/3 the number of goldfish. The shopkeeper decided to replace 1/4 of the guppies with some angelfish. The number of angelfish she added was equal to the number of guppies she
asked by lillyyy 
Math
The diameter of a circle is equal to the side of a square. The ratio of the area of the circle to the area of the square is approximately A. pi/2 B. 2/pi C. 2/1 D. 11/14
asked by Michelle 
math
Anne and Nancy use a metal alloy that is 20.45% copper to make jewelry. How many ounces of a 12% alloy must be mixed with a 25% alloy to form 100 ounces of the desired alloy?
asked by heather 
Algebra
Provide an appropriate response. Suppose that A and B are two matrices such that A + B, A  B, and AB all exist. What can you conclude about the dimensions of A and B? A) A is a row matrix and B is a column matrix. B) A and B have the same dimension, but
asked by sandy 
Math
The halflife of radon222 is 3.8 days. How much of a 300 gram sample is left after 14.8 days?
asked by Anonymous 
math
Show that the surface area of a sphere is two thirds of the total surface area of any cylinder circumscribed around the sphere (the sphere therefore touches both bases of the cylinder as well as its lateral surface).
asked by maath 
computer science
In a database system,within a banking system application,transaction between A is transferring 1000 from Acc1 to account Acc2 at the same time,transaction B is processing every records and adding interest payment by increasing each balance by 1.5 percent
asked by Olamilekan 
math
A plane makes a 240mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind? A) 80 mph B) 200 mph C) 40 mph D) 160 mph
asked by sandy 
Science
What is the valency of E from E2(O3).
asked by Deepak 
Science
Write the valency of E from EO3.
asked by Deepak 
chemistry
The mixture of 40 ml of water to 160 ml of solution with ph = 8, causes a change in the ph value. What is the value of the new PH. Use Log 2 = 0.3
asked by kelly 
chemistry
How many electrons contain the ion that has 13 protons 10 electrons and 15 neutrons?
asked by wallace 
Algebra
You invest $5,500 into a 4.5% oneyear CD. Find the balance of the account after five years if it's compounded: a. Quarterly Equation:______________________ Balance: $_________________ b. Annually Equation:______________________ Balance: $_________________
asked by leo 
Math algebra
Mia bought 7 golf balls. The total weight of the golf balls was 8 ounces. To the nearest hundredth of an ounce, how much did each golf ball weigh?
asked by Lizzy 
Mathematics
The common difference of an arithmetic sequence is d prove that the sum of first n terms and next n terms differ by n×n×d
asked by Linsha 
MATH
How does .08/(.08+.92(2/23)^t/4) become 2/(2+23(2/23)^t/4)? I don't understand how .08 becomes 2 and .92 becomes 23.
asked by Anonymous 
psychology
Which of the following is a negative consequence that is occurring because Amy constantly uses her smartphone? (Select all that apply.) She is losing sleep. She isn't paying attention in her classes. She isn't doing her homework. She is feeling more
asked by Bri 
Chemistry
If 35.00 mL of 0.25 M NaOH(aq) is mixed w/ 20.00 mL of 0.400 M HClO4(aq), the result solution would be: So apparently the correct answer is BASIC, but I thought it would be neutral because the resulting solution would contain NaClO4 which has components of
asked by sea lively 
Algebra
How much would you need to invest to get $30,000 in 10 years for an account offering 2.54% interest?
asked by leo 
psychology
Why must the study of behavior be systematic? It reduces the chance of coming to false conclusions. It takes less effort. It allows multiple behaviors to be studied at the same time. The study of behavior does not have to be systematic. D?
asked by Bri 
Chemistry
What would the pH of the solution be if the salt NaHX is dissolved in water? What anion predominates at the first equivalence point of the titration of X^2 with H^+?
asked by sea lively 
Science
When H2SO4(aq) is exactly neutralised by Mg(OH)2, the hydroxide ion concentration in the resulting solution will be ?
asked by Shreyas 
chemistry
Indicate what type of compound (ionic or covalent) would be expected from the possible binary combinations of the following elements: O, F, Cs, CI, Na. Consider the elements ' negativity
asked by william 
Algebra
You just purchased a painting for $1500 as an investment and it is suppose to appreciate in value at a rate of 3.65% each year. What will it be worth in 25 years?
asked by leo 
Algebra
find the numbers of this geometric sequence: 8, __ , __, __, 648
asked by leo 
Algebra
Fraction Review Rewrite each improper fraction as a mixed number or whole number: 1. 5/4= 2. 7/5= 3. 4/4=
asked by Ari 
psychology
True or False No reputable psychologist takes seriously any irrational phenomena such as ESP or hypnosis. False?
asked by Bri 
Algebra
Since populations are continuously changing based on their immediate previous state, the Pert formula can be used to quickly estimate near future growth (or decay). Assume that the 1990 census for a city of 800,000 reveals an annual increase of 2.3%,
asked by Anonymous 
Algebra
Perform the matrix operation. Given A = [1 2] and B = [1 0] , find 2A + 3B.
asked by lue 
Algebra
Write a matrix equation equivalent to the system of equations. 7x  8y = 9 2x  2y = 2
asked by lue