Sunday
December 4, 2016

# Posts by joi

Total # Posts: 54

Math
A number whose digit in the ten billions place is 5 less than 8
June 23, 2014

analytical chemistry
What volume (in liters) of 0.96 M KOH solution should be added to a 0.130 L solution containing 10.2 g of glutamic acid hydrochloride (Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95) to get to pH 9.90?
March 27, 2014

English
Q1/ commas. Q2/ sentence 4 and 5
December 22, 2013

Math
December 22, 2013

Math
Raul did an inventory of all the books in collection by subject. He displayed his results in the table below . Use the table to solve to solve each problem. Raul's book Collectio Subject of book. Number of books History. 72 Art 81 Science. 54 Travel. 63 Fiction. 90 ...
December 22, 2013

Math
If a fact family has only 2 multiplication and divison sentences , what do you know about the product and diviend? How many fact families with a diviend under 100 contain only odd numbers? You can use a multiplication table to help you.
December 18, 2013

Math
December 18, 2013

Math
If a fact family has only 2 multiplication and division sentences, What do you know about the product and dividend? How many fact families with a dividend under 100 contain only odd numbers ? You can use a multiplication table to help you. The fact families 2*3= 6 and 2*10=20 ...
December 18, 2013

Math
Q2/ why multiplication?
December 17, 2013

Math
Each bone stands for 5 dogs.
December 17, 2013

Math
Dog show competitors Dog Breed. Number of Dogs Poodle. 35 German shepherd. 10 Beagle 15 Retriever. 20 Terrier. 45 1/ How many pictures did you draw for poodles?Why? 2/ Last year, there were twice as many beagles in the dog show . How would you show that number on the ...
December 17, 2013

Grammar
Choose: 1/ Have we got...........milk? A/some B/ any C/ many 2/ There isn't.............in the kitchen. a/ anybody b/ somebody. c/ nobody 3/ I 've got............money. I can buy an ice-cream. a/ a little b/ a few c/ little 4/ There are so.........plants in the garden...
December 17, 2013

Math
Lesson: Dividing by 3 or 4 How many yards are in 6 feet? How many inches are in 2 feet? Jaime was driving whith his family to visit an aunt. His father saw a road sign and said "10 more to go" What customary unit of length did Jaime's father most likely leave out...
December 16, 2013

Math
Don't understand
December 15, 2013

Math
Don't forget
December 15, 2013

Math
December 15, 2013

Math
What is the dividend in each of your number sentences for problem 1 ? Without looking at the multiplication table , how do you know that this dividend appears somewhere els in the table?
December 15, 2013

English
Write complete sentence if the statement is a complete sentence. Write not a sententce if the statement is not a complete sentence. 1/. The author thought of a story. Complete sentence. 2/ Took place long ago. Not sentence . 3/ Her first day at school. Not sentence. 4/ She was...
December 8, 2013

English
Write steps of how to practice well with your team to win the mach (Guiding words: football,,instructions,,coach,,obey,, follow concentrate,, sleeping early,,healthy food)
December 3, 2013

Math
In April, 935 people went to the top of the Sears Tower in Chicago. In may, 1,027 people went to the top . How many more people went to the top of the tower in may than April?
November 26, 2013

maths
A bag contained a number of 20cents, 50cents and \$1 coins. 1/3 of the 20cents coins is equal to 2/3 of the 50cents coins. There are 3/5 as many 50cents coins as \$1 coins. If the total value of these coins is \$23.10, how many coins are there altogether ? (non-algebra solution ...
December 28, 2011

maths
sorry i can't get it, pls explain further. tks
December 28, 2011

maths
The number of Samad's stamps is 30% of Derrick's stamps. The number of Derrick's stamps is 40% of Bee Hua's stamps. If they have 608 stamps, how many stamps does Derrick have?
December 28, 2011

maths
I am unable to understand the algebra method, could you simplify?
December 28, 2011

maths
1/5 of Jane's money is equal to 1/3 of Sam's money. The difference in their amount is 1/2 of Adam's money. If Adam gives \$120 to Sam, Sam will have the same amount of money as Jane. How much do the 3 people have altogether?(non-algebra solution pls)
December 28, 2011

maths
A rectangle is divided into 4 parts, A B, C and D. The areas of A: B: C are in the ratio 10:18:5. C is a square with an area of 25cm squared. What is the area of rectangle D?
December 28, 2011

maths p5
3.A rectangle is divided into 4 parts, A B, C and D. The areas of A: B: C are in the ratio 10:18:5. C is a square with an area of 25cm2. What is the area of rectangle D? 4. Mr Lee is 38y old. His daughter is 32y younger. a) In how many years time will Mr Lee be 3x as old as ...
December 27, 2011

maths p5
1. Three boxes A, B and C weigh 12kg altogether. Box A weighs 1.2kg more than B and 0.3kg more than C. What is the weight of the heaviest box? 2. Peter and Ali have 375 cards altogether. If Ali gives 25% of his cards to Peter, he will have 1/4 as many cards as Peter. How many ...
December 27, 2011

probability qn urgently need help
A group of 5 boys and 4 girls take part in a study on the type of plants found in a reserved forest area. Each day, two pupils are chosen at random to write a report. a) Calculate the probability that both pupils chosen to write the report on the first day are boys. b) Two ...
November 11, 2011

Maths urgent help needed,
1.Mr Sim bought new tv at a discounted price of 15%.He paid \$836, inclusive of 3% GST(goods and services tax. What was the original price of the tv? 2.How to calculate original price before GST and before discount? What is the formula? Tks
October 29, 2011

reposting maths qn as mistake in quantity
yes, thanks a billion!
October 23, 2011

reposting maths qn as mistake in quantity
Amy bought 16 forks and 12 spoons for \$106.40. Ben bought 10 forks and 6 spoons for \$60.20. Cathy wants to buy 5 forks and 5 spoons. How much would Cathy have to pay? (i need to solve by a non-algebraic solution)
October 23, 2011

Maths urgent help needed!
thanks, just double checking to see if i got it right.
October 23, 2011

Maths urgent help needed!
A rectangular tank measures 60cm by 40cm by 30cm. It is half filled with water. Water is added to the tank at a rate of 13litres per minute and drained out at 9litres per minute. Find the volume of water in the tank after 7 minutes.
October 23, 2011

maths help needed now pls
sorry made a mistake in quantity of spoons amy bought is 12.
October 23, 2011

maths help needed now pls
Amy bought 16 forks and 10 spoons for \$106.40. Ben bought 10 forks and 6 spoons for \$60.20. Cathy wants to buy 5 forks and 5 spoons. How much would Cathy have to pay? (i need to solve by a non-algebraic solution)
October 23, 2011

Mathematics
The number is 24 the sum of the digits: 2 + 4= 6 the product of the digits is: 2X4= 8 1/3 of 24 is 8.
October 23, 2011

urgent maths help needed now
jafar has an isosceles triangle with an area of 20.25cm squared, what is the length of the side facing the right angle?
October 20, 2011

maths
1)There are 7 groups of Scouts attending a campfire with an average of 28 scouts per group. Each group has a different number of scouts. If the largest group has 33 scouts in it, what is the smallest possible number of scouts in each group? 2)The average amount of money that 5...
September 26, 2011

Statistics
X is normally distributed with a mean of 250 and a standard deviation of 40. What value of X does only the top 15% exceed?
September 16, 2011

math
November 21, 2010

my name is joi and school is mae jemison school in hazle crest il and in mrs krestal class and have kissed christiana papppola and we are both girls
November 11, 2010

my name is joi and school is mae jemison school in hazle crest il and in mrs krestal class and have kissed christiana papppola
November 11, 2010

Physics
September 11, 2010

You conduct a survey of a sample of 25 members of this year’s graduating marketing students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this year’s students ...
March 11, 2010

The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this year’s students significantly different from the long-run average? At what alpha level would it be significant
March 8, 2010

medical insurance forms
False it is Confidential patient information record
April 16, 2008

math
7 times 4 is 28 and 8 times 5 is 40
September 24, 2007

algebra
Can someone please explain system of linear inequalities by graphing this one problem x-2y<=4 and x=>1.
September 16, 2007

algebra
solving linear inequalities by graphing: x-2y<=4 x=>1 I need help!!
September 15, 2007

orientalism of muslim and arab american
I really dread answering this question because I am lost. To the person that wanted to call everybody dumb for not understanding. Who are you to sit and call people out their names that you don't even know? It goes show how "smart" you really are.
August 6, 2006

ETH/125
I don't think that the results from the IAT is accurate. It was just basically based on how fast you answered the question. Honestly, I didn't like taking the because of inaccurate results.
July 20, 2006

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