Posts by howard

Total # Posts: 50

Math
A company makes concrete bricks that are shaped like rectangular prisms. Each brick is 6 inches long, 3 inches wide, and 2 inches tall. How much concrete will they need to make 1800 bricks?

Physics
A student with mass 55 kg jumps off a high diving board. Using 6.0×10^24 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s2 ? Assume that the net force on the earth is the ...

Physics
Need someone to check my work and answers: At the instant the traffic light turns green, a car that has been waiting at an intersection starts ahead with a constant acceleration of 2.80 m/s2. At the same instant a truck, traveling with a constant speed of 20.0 m/s, overtakes ...

Physics
A ball is launched up an inclined wall by a spring. The spring has a spring constant of 12.2 kN/m and is initially compressed 0.3m. The ball has a mass of 1.7 kg, a radius of 0.045m, and a moment of inertia of 0.0014kg*m^2. You can assume the ball rolls along the surface ...

Dynamics
A ball is launched up an inclined wall by a spring. The spring has a spring constant of 12.2 kN/m and is initially compressed 0.3m. The ball has a mass of 1.7 kg, a radius of 0.045m, and a moment of inertia of 0.0014kg*m^2. You can assume the ball rolls along the surface ...

Criminal Justice
thank you

Criminal Justice
Thanks again, I will keep searching, I dislike using blogs because the information may not be reliable.

Criminal Justice
Thank you so much, it also lists females, thanks again.

Criminal Justice
Hello, I have been looking for data on how many minorities are executed in Texas, but I cannot find a reliable source with the data broken down by groups. I have found sources given me the total but not broken down by race. I have tried government cites but I guess I am ...

Electric Heating Appliances and fans
I would like to check my answers.

Statistics
80. Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100 students. a. What is the...

Literature
I'm thinking it's most likely B and C, can anyone confirm this? Mrs. Sue? Writeacher?

Literature
Which of the following is a theme the author explores in johnny tremain? select all that apply. Friends and Family The costs of war Fear of failure coming of age I read the story and it seems to relate to all, but I can only pick 2, does anyone know what they are?

Math
Compare the models for 1/3 and 2/6. How does the number of parts relate to the sizes of the parts?

Chem
----- Charge Me Up, Scotty! (10/10 points) Determine the potential (V) by which a proton must be accelerated so as to assume a particle wavelength of 0.0293 nm. 0.9544 - correct ----- PES S+P 500 (10/10 points) Shown below are the photo electron spectra for phosphorous and ...

maths
what is the total of £3.89 x 589

history
What incident abroad marked the election day of the 1956 election, thereby enhancing Eisenhower's bid for a second term?

Math
What is 90,000,000,000 x 1.306???

physics
Three forces act on a moving object. One force has a magnitude of 83.4 N and is directed due north. Another has a magnitude of 47.2 N and is directed due west. What must be (a) the magnitude and (b) the direction of the third force, such that the object continues to move with ...

Algebra 2
Don't cheat. I know what you are doing and will report you to the school if I see it again.

Chemistry
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.40 L of 0.425 M Na2S2O3? Ag+ reacts with S2O32- to form a complex ion. Ag+(aq) + 2 S2O32-(aq)--> Ag(...

Chemistry
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.40 L of 0.425 M Na2S2O3? Ag+ reacts with S2O32- to form a complex ion. Ag+(aq) + 2 S2O32-(aq)--> Ag(...

Spanish 2
They all look correct to me! (I've been enrolled in a Spanish course for six consecutive years now and have never made less than an A)

SPANISH 2 HELP
Check over number 3. Camisa is a singular feminine noun, which means that you will need la to replace it as a direct object pronoun.

Chemistry
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.40 L of 0.425 M Na2S2O3? Ag+ reacts with S2O32- to form a complex ion. Ag+(aq) + 2 S2O32-(aq)--> Ag(...

Chemistry
Write equations for the stepwise formation of each of the following complex ions. (Type your answer using the format CO2 for CO2, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) Ni(CN)42- (b) Mn(C2O4)22-

Chemistry
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.40 L of 0.425 M Na2S2O3? Ag+ reacts with S2O32- to form a complex ion. Ag+(aq) + 2 S2O32-(aq)--> Ag(...

Chemistry
Write equations for the stepwise formation of each of the following complex ions. (Type your answer using the format CO2 for CO2, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) Ni(CN)42- (b) Mn(C2O4)22-

Chemistry
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr (Ksp = 5.0 10-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.40 L of 0.425 M Na2S2O3? Ag+ reacts with S2O32- to form a complex ion. Ag+(aq) + 2 S2O32-(aq)--> Ag(...

chemistry
thanks!

chemistry
the wavelength is for electron, whereas the frequency of photon is needed

chemistry
no

chemistry
A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and exhibits a de Broglie wavelength of 3.188×10−10 m. Determine the frequency (in hz) of the interacting photon.

Math
can you help i dnt know what to do so could you tell me how to solve it 1. every weekend, Phil drives from his home to his favorite amusement park, a distance of 60 miles. a. If he averages 40 mph for the first half of the trip, what must his average speed for the second half ...

Economics
Given the following information calculate the Marginal Revenues. I am getting lost on the order because I know the formula is change in TR/change in Q. Q Price TR 60 26,000 (60x26K) = 1,560,000 70 22,000 (1,540,000) 80 18,000 (1,440,000) 90 14,000 (1,260,000) 100 10,000 (1,000...

Chem
Calculate the heat capacity of a calorimeter if th ecombustion of 4.665 g of benzoic acid led to an increase in temperature of 7.148 C

Marketing
How many unit sales and dollar sales did the Famous Amos cookies Co record for 2011. Also How many unit sales and dollar sales did Chewy Chips Ahoy! record for 2011.

Math, HELP!
if you wish to have $250,000 in 30 years, how much mush be deposited weekly in an account that pays 6% compounded weekly? (50 weeks per year)

Fancial management
Submit your work via My Assignments. 1. Bob’s Country Bunker (BCB), a chain of economically priced motels in the Midwestern United States has reviewed its current target structure of 40% debt and 60% equity. It can issue debt at a rate of 9%. The last dividend paid on its...

Finance
Benson Incorporated has bonds with the following features par value of 1000.00 maturity is 10%. Determine if the bond sells for a premium, par, or discount and explain your answer. Calculate the value of the bond if interest is paid on an annual basis versus a semi annual ...

algebra
Breakeven Point = $55 ($15 - $4)

science
Am I correct to label hot chocolate and ocean water as solvents

math
sander needs to find 73%of $239. what is a good estimate of the answer

Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...

Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...

Chemistry
Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...

programming
I have been stuck on this problem in my software design class and I hate going in these places and looking stupid but my professor had a family emergency and my homework is due tomorrow night. Design a program in pseudocode that calculates the amount of money a person would ...

math
determine the number of combinations of 7 out of 10 items. and then determine the number of combinations of 4 out of 7 items.

Accounting- Help Please
It looks like you have the same homework as I do. Firt, ask your instructor for the Excel Templlates (Master Templates) for accounting. These should consist of a general journal, trial balance, worksheet, T-accounts, general ledger and more. In one of your chapters there is an...

Math
list all the arrays for each number. An example number is 8 Im not sure what they mean by array for each number. Can you give me an example or explain? Thanks!

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