Monday
July 28, 2014

Posts by iris


Total # Posts: 79

statistics
company A has 110 employed, company B has 750 employed and company C has 250 employed. Compute the probability that an employee selected at random comes from company A or B.

Physics
A man holds a flower pot out a window 12m from the ground. He tosses the pot upward with a speed of 5m/s. How long does it take the pot to reach the ground? How fast is it moving just before it hits? Please show steps.

Physics
A projectile is shot at a speed of 30m/s at an angle of 50 degrees above the horizontal. The projectile hits a vertical wall at a height 20m above the horizontal. Where is the wall's location? There are 2 answers.

philosophy
an understanding of descartes realism, 1. state an original position and 2. support that position with sound reasosning and analysis of appropriate evidence.

math
Would a repetitive number be greater than the same number that is not repetitive?

math
Can somebody please help me with this. thank you 89___89 the second 89 has a solid line on top of the number. Is this equal or greater than or equal to 89 without the line No one has answered this question yet.

spanish
comere un sandwich

math
A brick wall measuring 3 ft by 11 ft is to be built. The brick measures 4in by 6 in. How many bricks will it take to complete the walkway? math - Ms. Sue, Monday, June 24, 2013 at 2:39pm Are we building a wall or a walkway? math - iris, Monday, June 24, 2013 at 2:41pm walkway

math
89___89 the second 89 has a solid line on top of the number. Is this equal or greater than or equal to 89 without the line

math
walkway

math
A brick wall measuring 3 ft by 11 ft is to be built. The brick measures 4in by 6 in. How many bricks will it take to complete the walkway?

I can solving my problem
I'm a number grater than 45 but less than 90. I am an even number. i have 7 sets of the 16 ones. what number am I?

Quantum Physics
if you still have the answers it would be extremely helpful to post them!

Physics
A sound of constant frequency is produced by the si-ren on top of a firehouse. Compared to the frequen-cy produced by the siren, what is the frequency heard by a firefighter approaching the firehouse? What if the firefighter is driving away?

math-correction
Petrus shared his birthday cake with 5 of his friends.He gave Sandy 1/8,Mary and Paul1/10 each.He gave Jack 1/5 and Sandra 3/20.What fraction of the cake had he left.

math
it takes 1 3/4 metres of cloth to make a uniform. a)how many similar uniforms can be use from 10 metres of cloth? b)how much cloth will be left?

math
Petrus shared his birthday cake with 5 of his friends. He gave Sandy 1/8,Mary and Paul 1/10 each.he gave Jack 1/5 and Sandy 3/20. What fraction of the cake had he left?

physical
A marathon runner runs 3km in direction 0degree and them 4km in direction 90degree. total time for the race is 2 hours.so determine the total distance covered?

Chemistry 30
In addition to alkanes, cracking reactions may also involve alkenes, alkynes and aromatics. For each of the following reactions, draw a structural formula equation. Include all reactants and products: a) but-1-ene --> ethyne + ethane b) 3-methylheptane --> but-2-ene + bu...

Chemistry 30
How do I complete an ICE table for a solution of nitrous acid, HNO2, one of the acids associated with acid deposition?

earth science9volcanos0
when a volcano becomes dormant it is...

geografie
welche einflüsse hat die amerikanische lebensweise in unserem alltag?

Genetics
In chickens, the Leghorn variety has white feathers due to an autosomal dominant allele. Silkies have white feathers due to recessive allele in a second gene. If true-breeding white leghorn is crossed to a true breeding white silkie, What is the expeected phenotype of the F1 g...

algebra
Christine found three pieces of cable in her tool drawer. Here are their lengths (in meters). What is the total length of the three pieces?

statistics
Suppose you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information you have. Your boss has asked you to put together a report showing the relationship between these two variables. What could you prese...

Math
Christine found three pieces of cable in her tool drawer. Here are their lengths (in meters). What is the total length of the three pieces?

science
9623.2 J

Algebra 2
Hey how would you factor this polynomial to find the zeroes of this function? x^4-5x^3+7x^2+3x-10

math
If a school has lockers with 50 numbers on each combination lock, how many possible combinations using three numbers are there.

math
__X+1____-__x-1____ x-1 x+1

math
8 times 45 =360 how did you get 60

math
roger took off at 8am driving 45mph. bill went after him 2 hours later and caught up with him at 4pm. how fast did bill drive?

math
the longest side of a triangle measures 2 and the shortest side measures 1. what cannot be the measurement of the angle between them? a-30 degrees b-60degrees c-70 degrees d-90degrees

math
Jim and Joe were running together. Jim's average speed was 400 meters per minute.Jim started running four minutes before Joe. ten minutes after Joe started, he caught up with Jim. What was Joe's average speed?

math
is the answer 12?

math
grace has 16 in her pocket. she has 8 red ibesm 4 green ones, and 4 blue ones. what is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?

math
if the perimeter of a rectangular house is 44 yards, and the length if 36ft, what is the width of the house?

math
thanks i appreciate it.

math
i thought so. but the answer on the practice test is 1300 ft^3

math
a room mesures 11ftx12ftx9ft. what is the volume?

math
what is the cost in dollars to steam clean a room W yards wide and L yards long if the steam cleaners charge 10 cents per square foot?

math
you need exactly A 1680 ft3 aquarium for you fish. at the pet store you see four chices of aquariums, but the volume is not listed. the length, width, and height are listed on the box. which of the following aquarioums would fit your needs? a) 12ftx12ftx12ft b)13ftx15ftx16ft c...

math
is it subtracting 4ooo - 200 and then diving by .05 to solve for X?

math
James invested $4,000 at 5% interest per year; how long will it take him to earn $200 in simple interest?

math
If a ¼ of a teaspoon is 1 ml, then how many milliliters are in 6 teaspoons

math
A discount store takes 50% off of the retail price of a desk. For the store's holiday sale, it takes an additional 20% off of all furniture. The desk's retail price was $320. How much is the desk on sale for during the holiday sale?

math
If y(x-1)=z then X =

math
peter took a 1,500 mile trip in 5 days. each day, he drove 30 miles more than the day before. how many miles did he cover on the first day?

math
the right answer is 2

math
there were 19 hamburgurgers fo nine people on a picnic. how many whole hamburgers were there for each person if they were divided equally?

math
a steamboat goes 24 miles upstream, the trip takes six hours. the water flows at three miles per hour. what is the speed of the boat in still water?

math
john and mary are working on a job together. if john does it alone, it will take him seven days, while mary can do it alone in five days. how long will it take them to do it together?

Chemistry
convert 33 miles/hour to meters/minute

British Literature
In a Scandal in Bohemia Dr. Watson says that Holmes A)has a Bohemian soul B)has the powers of a warlock C)sees but does not deserve D)takes the kings case to make money 2. Christina Rosetti's No Thank You John and Promises Like Pie-Crust both have A)a singsong style B)a re...

Biochem
calculate the volumes of 0.10 M acetic acid and 0.20 M sodium acetate that are needed to prepare 48-mL buffer solution with pH = 3.70. Ka for acetic acid is 1.75 x 10-5

history
*Explain the meetings that resulted in the Japanese seeing “Rolls-Royce, Rolls-Royce, Ford,” and how was this part of Americans “clamoring for the outlawry of war?”

FSU
*Explain the meetings that resulted in the Japanese seeing “Rolls-Royce, Rolls-Royce, Ford,” and how was this part of Americans “clamoring for the outlawry of war?”

Rounding Decimals
Marley and Hassan rounded the number 7.483. Marleys answer was greater than 7.438. Marleys answer was greater than 7.483, and Hassan's anser was less. Towhat place might the number have been rounded by Marley? By Hassan? Explain.

Math
A 26 inch ribbon is cut into three pieces. One piece is 12 inches. The remaining two pieces must have one piece two inches longer than the other. How long is the shortest piece of ribbon?

Chemistry
PLEASE HELP! What amount of water could be heated from 20 degrees C to 50 degrees C by 714 kJ of energy?

math
Solve the equation: there are 2 solutions for x. -3/x=x/-3 also x/3=4/x+1 thank you much

math
56x(3)y(5)-40x(2)y(6)+8x(2)y(3)

math
3x^-x-2=0

math
6x^2+21x-45

math word
beth is two years older than julio. gerald is twice as old as beth. debra is twice as old as gerald. the sum of their ages is 38? how old id beth a 3 b 5 c 6 d 8 why!!!

math
thanks

math
The tires of a car have 25in diameter to the nearest tenth, how many revolutions does each tire make in a mile

Teacher Math
Battery Power Problem. A certain type of thermal battery for an airplane navigation device backup power has a mean life of 300 hours with a standard deviation of 15 hours. What proportion of these batteries can be expected to have lives of 322 hours or less? Assume a normal di...

Math
The number of accidents that occur at the intersection of Pine and Linden streets between 3 p.p and 6 p.m. on Friday afternoons is 0, 1, 2, or 3, with probabilities of 0.84, 0.13, 0.02, and 0.01, respectively. Graph this probability distribution. What is the expected value for...

Math
Hope Mom baked a cake in rectangular shape 10 by 6. If she starts at the corner and put acndle every 2 inches how many candles will fit around the edge of the cake?

Math
Hope Mom baked a cake in rectangular shape 10 by 6. If she starts at the corner and put acndle every 2 inches how many candles will fit around the edge of the cake?

social studies
i need info for a project of something called boston massacre

MATH
(4/3)^-2

MATH
THE POWER OF A POWER RULE: __-5Y^4(Y^5)^2__ 15Y^7(Y^2)^3

Math
3) Distinguish between a term of an expression and a factor of an expression. Distinguish between an expression and an equation. Why are these terms important?

Algebra 2
(-8 -3 1/3) 1/3 2 Can you show me the step by step on this problem? thank you,

Science
How do we write numbers in standard notation?

oratorical piece
i want to read some oratorical piece

ESSAY
HOW DO I DO A NEAT ESSAY Here are several websites that can help you, both with the content of an essay as well as what it should look like: (Broken Link Removed) http://www.arts.uottawa.ca/writcent/hypergrammar/paragrph.html http://wwwold.ccc.commnet.edu/mla/format.shtml =) y...

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