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Questions Asked on July 30, 2018

Indicate what type of compound (ionic or covalent) would be expected from the possible binary combinations of the following
1. 2 answers
2. asked by william
3. 671 views
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%
1. 1 answer
2. asked by heather
3. 1,847 views
Michael's bank contains only nickels, dimes, and quarters. There are 63 coins in all, valued at $5.50. The number of nickels is
1. 2 answers
2. asked by heather
3. 3,139 views
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
1. 1 answer
2. asked by Mary
3. 799 views
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
1. 1 answer
2. asked by Lizzy
3. 564 views
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
1. 1 answer
2. asked by Linsha
3. 490 views
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.
1. 3 answers
2. asked by Anonymous
3. 449 views
What is the valency of E from E2(O3).
1. 7 answers
2. asked by Deepak
3. 620 views
Write the valency of E from EO3.
1. 2 answers
2. asked by Deepak
3. 818 views
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
1. 1 answer
2. asked by china
3. 865 views
You just purchased a painting for $1500 as an investment and it is suppose to appreciate in valueat a rate of 3.65% each year.
1. 1 answer
2. asked by leo
3. 481 views
find the numbers of this geometric sequence: 8, __ , __, __, 648
1. 2 answers
2. asked by leo
3. 1,763 views
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
1. 1 answer
2. asked by kelly
3. 347 views
Fraction ReviewRewrite each improper fraction as a mixed number or whole number: 1. 5/4= 2. 7/5= 3. 4/4=
1. 4 answers
2. asked by Ari
3. 689 views
Calculate the volume of hydrogen gas from the C4H9O3N compound, under temperature or pressure conditions (STP).
1. 3 answers
2. asked by william
3. 458 views
Which of the following is a negative consequence that is occurring because Amy constantly uses her smartphone? (Select all that
1. 4 answers
2. asked by Bri
3. 534 views
True or FalseNo reputable psychologist takes seriously any irrational phenomena such as ESP or hypnosis. False?
1. 1 answer
2. asked by Bri
3. 423 views
How many electrons contain the ion that has 13 protons 10 electrons and 15 neutrons?
1. 1 answer
2. asked by wallace
3. 590 views
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
1. 1 answer
2. asked by sandy
3. 836 views
How much would you need to invest to get $30,000 in 10 years for an account offering 2.54%interest?
1. 2 answers
2. asked by Jay
3. 340 views
You just purchased a painting for $1500 as an investment and it is suppose to appreciate in valueat a rate of 3.65% each year.
1. 2 answers
2. asked by carmen d
3. 462 views
A man invests $10, 000 in an account that pays 8.5% interest per year, compounded quarterly.What is the amount of money that he
1. 3 answers
2. asked by Jay
3. 2,504 views
Suppose you deposit $1000 in an account paying 4% annual interest, compounded monthly. Howmuch money will you have after 15
1. 1 answer
2. asked by leo
3. 4,171 views
How much will you have accumulated, if you annually invest $1,500 into an IRA at 8% interest compounded monthly for 5 year?
1. 0 answers
2. asked by sandy
3. 446 views
How much will you have accumulated, if you annually invest $1,500 into an IRA at 8% interest compounded monthly for 40 years?
1. 1 answer
2. asked by sandy
3. 564 views
What would the pH of the solution be if the salt NaHX is dissolved in water? What anion predominates at the first equivalence
1. 1 answer
2. asked by sea lively
3. 506 views
A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1
1. 2 answers
2. asked by sandy
3. 733 views
1)The Arthur Ravenel Jr. Bridge is the longest cable-stayed bridge in the United States. The bridge has a total length of 13200
1. 3 answers
2. asked by AJ
3. 799 views
An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of
1. 1 answer
2. asked by Mary
3. 3,133 views
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
1. 1 answer
2. asked by Mordu
3. 1,322 views
When H2SO4(aq) is exactly neutralised by Mg(OH)2, the hydroxide ion concentration in the resulting solution will be ?
1. 1 answer
2. asked by Shreyas
3. 395 views
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)
1. 2 answers
2. asked by Kikks
3. 1,990 views
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
1. 1 answer
2. asked by lillyyy
3. 640 views
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
1. 1 answer
2. asked by sandy
3. 1,133 views
Perform the matrix operation.Given A = [-1 2] and B = [1 0] , find 2A + 3B.
1. 1 answer
2. asked by lue
3. 459 views
Write a matrix equation equivalent to the system of equations.7x - 8y = -9 -2x - 2y = -2
1. 2 answers
2. asked by lue
3. 1,372 views

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