Wednesday
July 30, 2014

Posts by sunshine


Total # Posts: 44

college math
What is 6x to the third power plus 27x to the second power minus 15x

statistics
Scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250. a)If one subject is randomly selected and tested, find the probability of a score greater than 1800 b)if 50 subjects are randomly selected and tested fid the probab...

Statistics
Scores on a visual perception test are normally distributed with a mean of 2020 and a standard deviation of 250. a)If one subject is randomly selected and tested, find the probability of a score greater than 1800 b)if 50 subjects are randomly selected and tested fid the probab...

Geometry
Why is this statement NOT always true?: The longer diagonal of the rhombus is perpendicular to two sides of the rhombus.

Plane Trigonometry
A segment of height 3 meters from the center of chord to center of arc has an arc of 1/3 radians. Find the area of the segment.

Math .. Please help Reiny
Yayyy.. Reiny to the rescue!!! Truely appreciat your help. Thanks!!

Math .. Please help Reiny
OK so will it be: X = number of hours 200 + 30X = 240 + 25X -200 -200 ___________________________ 30X = 40 + 25X -25X = -25X _____________________ 5X/5 = 40/5 X = 8hours

Math .. Please help Reiny
Also this question: Tide Boat Rental charges a rental fee of $200 plus $30 per hour. Surf Boat Rental charges a rental fee of $240 plus $25 per hour. For what number of hours is the boat rental cost the same at each rental business?

Math .. Please help Reiny
A group of 25 eight graders went to collect 300 blankets to donate to victims of super storm Sandy. If each student collects 7 blankets on the first day, how many more blankets will each student need to collect to reach their goal. Answer must include a Let statement, an equat...

Math
Thank you Reiny... you make it look so easy :)... thanks for the hint in starting with defining the smallest value.

Math
Mr. Logan purchased $390 in clothing (excluding sales tax). He bought 5 identical shirts, 3 identical pairs of pants and 2 identical pairs of shoes. Each pair of shoes cost twice the combined value of one shirt and a pair of pants. Each pair of pants cost $10 more than one shi...

Physics
Student ties 0.060kg lead fishing weight to the end of a piece of string and whirls it around in a horizontal circle.if the radius of the circle is 0.30m and the object move with a speed of 2.0m/s..what is the horizontel component of d force that directs the lead weight toward...

math
I am really confused about sets. Could you explain to me if the following are opened or closed sets and why? (a) the set of even numbers for division. (b) the set of whole numbers less than 1000 for division. (c) the set of whole numbers greater than or equal to 1000 for divis...

math
what are the first 12 multiples of 7,9,3 ?

4th grade math
36

Writing
It depends on the sentence. It could be any where. Wear- describes clothing apparel. no where is two words.

psychology
Mouradian (2001) surveyed college students selected from a screening session to include two groups: (a) “Perpetrators”—students who reported at least one violent act (hitting, shoving, etc.) against their partner in their current or most recent relationship—...

math
Nownes (2000) surveyed representatives of interest groups who were registered as lobbyists of three U.S. state legislatures. One of the issues he studied was whether interest groups are in competition with each other.

psychology
Nownes (2000) surveyed representatives of interest groups who were registered as lobbyists of three U.S. state legislatures. One of the issues he studied was whether interest groups are in competition with each other.

psychology
Following are the speeds of 40 cars clocked by radar on a particular road in a 35-mph zone on a particular afternoon: 30, 36, 42, 36, 30, 52, 36, 34, 36, 33, 30, 32, 35, 32, 37, 34, 36, 31, 35, 20, 24, 46, 23, 31, 32, 45, 34, 37, 28, 40, 34, 38, 40, 52, 31, 33, 15, 27, 36, 40

Bus210
I have a powerpoint presentation on Evolution of Business. I don't know where to begin.

Programing
consider the algebraic expression E=(2x + y) (5a-b)^3. Draw the tree T which correspond to the expression E and find the pre-order traversal of T.

science
acids = fizzy drinks (i.e coke...) shampoo apple juice tea alkalis = soap baking soda oven cleaner indigestive tablets

Balance each of the following redox reactions occu
Thank you

Balance each of the following redox reactions occu
A) OX H20+SO32- --> SO42- +2H+ 2e- RED 16H+ +2MnO4- ---> 2Mn2+ 8H20

Balance each of the following redox reactions occu
A) OX H20+SO32- --> SO42- +2H+ 2e- RED 16H+ +2MnO4- ---> 2Mn2+ 8H20

Balance each of the following redox reactions occu
I'm mainly having trouble with adding H20/H+ and then balancing it!

Balance each of the following redox reactions occu
Balance each of the following redox reactions occurring in acidic solution a) SO32- (s) +MNO4- ---> SO42- +Mn2+ b) S2O32-+ Cl2 ---> SO42-+Cl-

what volume of 0.4 M HCl is required to neutralize
what volume of 0.4 M HCl is required to neutralize 100.0 mL of 0.3 M LiOH?

Chemistry.. kinetics
Initial rate Average rate instanteneous rate Which of these would have the highest value? Explain Please? Which one of these is typically used to determine the rate law for a reaction?

Chemistry Lab
What would happen to the reaction rate of a solution if 10 mL or more of water is added? Will the reaction rate increase or decrease? The following reaction occurs without a change in the color 2A (g) + B2(g) --- 2AB (g) a) How could you monitor the concentration of the reacta...

Chemistry Lab
What would happen to the reaction rate of a solution if 10 mL or more of water is added? Will the reaction rate increase or decrease? The following reaction occurs without a change in the color 2A (g) + B2(g) --- 2AB (g) a) How could you monitor the concentration of the reacta...

Math
Any and all help would be appreciated. Find the equation of the tangent line to the curve y = (x - 2)^5 (x + 1)^2 at the point (3, 16)

math
Solve the following equations a) 6e^-0.00012x b) 2e^x/3 - 9 = 0 thank you very much

Science
Given: Concentration of acetic acid 0.1M and 30mL used. Concentration of hydrocholoric acid 0.1M and 15mL used. Concentration of sodium hydroxide 0.1M and 5mL used. I need to calculate the pH before any NaOH is added and after the NaOH is added. I think i am suppose to use the...

college-history
its not homework but i wanted ideas on wat some answers might be...

college-history
1. Should American foreign policy be based on our values and beliefs or on “real politics” (the real world)? Explain 2. Was American foreign policy, during the period 1890-1917, based upon humanitarian assumptions, bringing about a better world, or were our motives m...

AIU
I would like you to complete the assignment for me.

AIU
500 words (not including references) Details: Visit the following websites and explore the collections of Ancient Art there: The Metropolitan Museum of Art The Louvre Museum The Smithsonian Institution Freer Gallery and Sackler Gallery See the Course Materials List for access ...

accounting
i need help with A1 photography practice sets

the scarlet letter/english
I believe that the character who showed the most integrity was Hester. She remained honest and true to herself. As a matter of fact, over the 7 years, Hester grew mature and wiser as a human. She contributed to her society. She stayed true to herself. She taught her daughter a...

Psychology
Three different ways of attempting to integrate religious beliefs and scientific knowledge are (1) cafeteria approach, (2) fortress approach and (3) the integration approach. Which method is more commonly used in life to intergrate religious beliefs and scientific knowledge? S...

Psychology
What role should the Bible play in discussions about sexuality? What role do you think it should play? Please give us your ideas and we'll be glad to discuss it with you.

WORD PROCESSING AND KEYBOARDING
Those answers the " I just passed the test with 100% here are the answers" are WRONG!!!! DO NOT COPY THEM

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