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2013
June

Questions Asked on June 28, 2013

4x-4y=12 -7x+4y=-36matrix
1. 1 answer
2. asked by aaliysh
3. 245 views
how do you factor this: 5p + 15q
1. 1 answer
2. asked by michelle
3. 861 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 0 answers
2. asked by Danny
3. 427 views
How would you prepare 50.0 mL of 2.0 M H2SO4 starting with concentrated sulfuric acid (18M)?
1. 1 answer
2. asked by Cat
3. 1,483 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 0 answers
2. asked by Danny
3. 380 views
When assembling a writing plan for an essay, which of the following should come first?A. The first section of the body of your
1. 5 answers
2. asked by Jen
3. 818 views
How would you prepare 50.0 mL of 2.0 M H2SO4 starting with concentrated sulfuric acid (18M)?
1. 2 answers
2. asked by Cat
3. 636 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 0 answers
2. asked by Danny
3. 446 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 0 answers
2. asked by Danny
3. 412 views
In a machine shop, a hydraulic lift is used to raise heavy equipment for repairs. The sys- tem has a small piston with a
1. 1 answer
2. asked by M&M
3. 881 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 0 answers
2. asked by Danny
3. 464 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 2 answers
2. asked by Danny
3. 535 views
what would be the order from greatest to least 0.181, 0.38 , 0.139, 0.319 . any help would be appreciated. TY
1. 3 answers
2. asked by sam
3. 386 views
Calculate the Molar Enthalpy of Neutralization (ΔHn) in kJ/mol of the reaction between a monoprotic acid and a monoprotic base,
1. 3 answers
2. asked by Ashley
3. 2,511 views
Solve the equation. Express your answer in trigonometric form.x^5 - 11 = 0
1. 1 answer
2. asked by tony
3. 377 views
Find the indicated roots. Write the answer in trigonometric form.Fourth roots of 256(cos 220° + i sin 220°)
1. 0 answers
2. asked by tony
3. 539 views
comment on this statement "The mean loss for customers at the first State bank (which is not insured) was $150.00 the standard
1. 1 answer
2. asked by daphne
3. 357 views
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.[2(cos 240° + i sin 240°)]^5
1. 2 answers
2. asked by tony
3. 700 views
Randomly selected cans of Coke are measured for the amount of cola in ounces. The sample values listed below have a mean of
1. 1 answer
2. asked by Katelyn
3. 679 views
There are two points A=(2,0) and B=(4,0) and a moving point P=(t,t) on the xy-plane. If the minimum value of line AP+ line BP is
1. 1 answer
2. asked by Drake
3. 305 views
why doesn't a women body reject the sperms since it is an external organism , instantlyi.e, it should have produced the
1. 4 answers
2. asked by K
3. 695 views
Find the dot product a*b.a= (5,-9), b=(4,-3)
1. 0 answers
2. asked by tony
3. 287 views
estimate the components of the vector. Round to one decimal place.[v] = 33.9, θ = 65.9° Find the horizontal and vertical
1. 1 answer
2. asked by tony
3. 451 views
find the indicated vector.let u = (-9,1), v=(-5,9). Find 3u+v
1. 1 answer
2. asked by tony
3. 1,453 views
Find the area of a circle whose circumference measures 100 cm.Area (to the nearest square centimeter) = cm2 I plugged in
1. 1 answer
2. asked by sarah
3. 2,086 views
The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 125
1. 1 answer
2. asked by Sara
3. 612 views
1. Sí, sus padres ________ ; Ramón no debe ir a la escuela.A. está enfermo B. tienen razón C. son amables D. viven cerca de
1. 3 answers
2. asked by Eri
3. 663 views
if a scale factor of four is used, the points in the image will be eight times as far from the origin as at he pre-image points
1. 2 answers
2. asked by Barb
3. 739 views
Please check punctuation for periods and semicolons to make sure they are correct. This is a letter which we had to proofread
1. 1 answer
2. asked by MaryBeth
3. 724 views
The most important difference between an outline and finished writing is theA. grammatical structure. B. details. C. order of
1. 3 answers
2. asked by Jen
3. 692 views
Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.)Ha: ó1 >
1. 1 answer
2. asked by Tracy
3. 401 views
List 3 ways the production of energy from nutrients is regulated in the body.
1. 0 answers
2. asked by Bukhak
3. 675 views
Sam owns an acre of land on Red River. The government dams the river. A lake forms behind the dam, covering Sam's land. Does the
1. 1 answer
2. asked by Trish
3. 578 views
Hi! How do you simplify the following using the laws of exponents?1. -2m^2 n^-3 /(mn^-2)^2 2. (-2pq)^-2 / 2pq^-2 For number 1, I
1. 2 answers
2. asked by Perrie
3. 396 views
How many square yards are in a room that measures 14 feet by 11.6 feet
1. 1 answer
2. asked by Cheryl
3. 337 views
Because the subject of a composition is like a crystal with many facets, you should?A. offer a positive idea for every negative
1. 4 answers
2. asked by Jen
3. 747 views
Determine the rate constant for each of the following first-order reactions. In each case, write the rate law for the rate of
1. 2 answers
2. asked by Sara
3. 524 views
Compute the area of a triangle with a base of 15 cm and an altitude of 10.5 in.Area (to the nearest tenth) = cm2 I plugged
1. 7 answers
2. asked by sarah
3. 1,192 views
Ethane, C2H6, forms ·CH3 radicals at 700.°C in a first-order reaction, for which k = 1.98 h-1.(a) What is the half-life for
1. 1 answer
2. asked by Sara
3. 1,569 views
When 0.13 g of H2 and 0.18 g of I2 are confined to a 150. mL reaction vessel and heated to 700. K, they react by a second-order
1. 1 answer
2. asked by Sara
3. 575 views
Dinitrogen pentoxide, N2O5, decomposes by a first-order reaction. What is the initial rate of decomposition of N2O5 when 3.6 g
1. 1 answer
2. asked by Sara
3. 1,593 views
Dinitrogen pentoxide, N2O5, decomposes by first-order kinetics with a rate constant of 0.15 s-1 at 353 K.(a) What is the
1. 1 answer
2. asked by Sara
3. 3,475 views
Determine the rate constant for each of the following second-order reactions. In each case, express your results in terms of the
1. 2 answers
2. asked by Sara
3. 460 views
The half-life for the second-order reaction of a substance A is 58.2 s when A0 = 0.63 mol L-1 Calculate the time needed for the
1. 5 answers
2. asked by Sara
3. 415 views
(1) should there be a comma before and after Bob Hopkins and per serving (2) Is Administrative Professionals Day capitalized
1. 2 answers
2. asked by MaryBeth
3. 1,147 views
1/2 + (-5/6) =?
1. 1 answer
2. asked by selena
3. 244 views
I'm trying to create a macro that asks for a loan between 1 dollar and 5 million, and returns different interest rates based on
1. 1 answer
2. asked by Matt
3. 1,193 views
f(x)=−8x^3+6ax^2−3bx+4 has a local minimum at x=1 and a local maximum at x=3. If a and b are the local minimum and maximum,
1. 8 answers
2. asked by Bob
3. 633 views
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.)(a) Determine the critical region
1. 0 answers
2. asked by Tracy
3. 446 views
Bob and Joy Salkind want to save $50,000 in 5 ½ years for home improvement projects. If the Bank of Aventura is paying 8%
1. 2 answers
2. asked by Tee
3. 624 views
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the
1. 0 answers
2. asked by josh
3. 558 views
Sketch character of lencho (class 10th cbse course)
1. 4 answers
2. asked by Dwithun Basumtary
3. 743 views
History of number
1. 1 answer
2. asked by Dwithun Basumtary
3. 865 views
History of pie
1. 1 answer
2. asked by Dwithun Basumtary
3. 864 views
If a child displays discriminatory behavior in the classroom, one should
1. 1 answer
2. asked by Grace
3. 352 views
How do i get 2 consecutive numbers (pair numbers) that they product is 272?4X² + 4X - 272=0
1. 3 answers
2. asked by Andrey
3. 478 views
An example of an exceptional child is one who
1. 1 answer
2. asked by Grace
3. 923 views
Compelete the following table for an ideal gas.P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e-4, but my online
1. 1 answer
2. asked by Mary
3. 582 views
You are reviewing the December 31, 2012 financial statements of Ellie's Antiques that is considering an initial public offering
1. 0 answers
2. asked by Anonymous
3. 343 views
how do Huck and Jim feel about the sanctuary of the raft and how do they feel about the violence and shame of the shore? I have
1. 1 answer
2. asked by HELP
3. 576 views
Quinn and Julius inherited $50,000 each from their great-grandmother’s estate. Quinn invested her money in a 5-year CD paying
1. 2 answers
2. asked by Tee
3. 1,196 views
Fred North owns Redlands Farms, a successful strawberry farm. The strawberry plants increase at a compound rate of 12% each
1. 1 answer
2. asked by Tee
3. 977 views
Biography of nelson mendela
1. 1 answer
2. asked by Dwithun Basumtary
3. 321 views
You are the owner of a Jani-King cleaning service franchise. Your accountant has determined that your business will need $27,500
1. 1 answer
2. asked by Tee
3. 735 views
Compute the Annual Percentage Yield (APY) for the investment in the previous question. (Round APY to the nearest hundredths of a
1. 2 answers
2. asked by Tee
3. 732 views
Compute the amount of compound interest earned in 1 year for an investment of $1,000,000 with a nominal interest rate of 8%
1. 2 answers
2. asked by Tee
3. 462 views
To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years
1. 1 answer
2. asked by Tee
3. 574 views
calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly.
1. 1 answer
2. asked by Tee
3. 395 views
Compelete the following table for an ideal gas.P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e-4, but my online
1. 1 answer
2. asked by Mary
3. 494 views
We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the -axis
1. 0 answers
2. asked by Anonymous
3. 437 views
teachers aid
1. 2 answers
2. asked by Anonymous
3. 457 views
When anxiety occurs in brief but very intense episodes that usually consist of a pounding heart, sensations of choking, shaking,
1. 1 answer
2. asked by Anonymous
3. 1,062 views
A random sample of 400 morning shoppers showed that 130 were men. A random sample of 480 evening shoppers showed 187 to be men.
1. 1 answer
2. asked by Anonymous
3. 526 views
Two 20.0-g ice cubes at –20.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the
1. 2 answers
2. asked by Jessica
3. 7,438 views
A person apply for a job in two firms say X&Y, the probability of his been selected in firm X is 0.7, and been rejected in firm
1. 1 answer
2. asked by Shedrach
3. 409 views
The ultimate strength of a steel rod is 550.000MPa. If the factor of safety of 3.000 is required, what is the maximum
1. 1 answer
2. asked by Danny
3. 498 views
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N.
1. 1 answer
2. asked by Danny
3. 498 views
Find the largest integer N for which N−6 evenly divides N^3−6.
1. 1 answer
2. asked by Drake
3. 404 views
How to make a food web with at least 4 food chains showing how the eagles depends on other animals?
1. 1 answer
2. asked by kina
3. 1,254 views
Use the following table to answer the questions. (Give your answers correct to two decimal places.)x 1 1 3 3 5 5 7 7 9 9 y 3 2 6
1. 5 answers
2. asked by Tracy
3. 809 views
Females are passive
1. 1 answer
2. asked by Grace
3. 322 views
an iron rod embedded in ice placed in water beaker.what will be level of water when ice melts
1. 2 answers
2. asked by shahzad
3. 417 views
One hundred twenty grams of metal at 88 degree Celsius is poured into a 70 grams insulated cup contains 250 grams of water at 16
1. 1 answer
2. asked by jey
3. 1,335 views
967x^3+567x^9?
1. 1 answer
2. asked by Dwimu
3. 669 views
The digits 1,2,3,4,5,6 are arranged to form a 6-digit number.What is the probability that the number formed is divisible by 4?
1. 1 answer
2. asked by Alan Perth
3. 908 views
please give me some outlines on this topic - the government has granted a large amount of money to your school to build a hobby
1. 2 answers
2. asked by tina !!! help me please
3. 798 views
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.)(a) Determine the critical region
1. 0 answers
2. asked by Tracy
3. 426 views
a wheel revolves 360 degree revolution in one minute.Find how many radians will the wheel subtend in one second
1. 1 answer
2. asked by ayesha
3. 449 views
n youth corp have to stand in a row if all possible permutations;are equally likely. Fine the probability that 2 particular corp
1. 0 answers
2. asked by Shedrach
3. 1,097 views
What does this poem mean and how does it relates to people decision. I need to write an essay about it.Whatever we do, whether
1. 1 answer
2. asked by Meena
3. 465 views
How many mL of 0.109 M Na2CO3 would be needed to precipitate all of the copper ions in 26.7 mL of 0.159 M CuSO4?
1. 1 answer
2. asked by adam
3. 628 views
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.31 m/s. The car is a
1. 1 answer
2. asked by bobby
3. 430 views
The Space Shuttle travels at a speed of about 5.45 x 103 m/s. The blink of an astronaut's eye lasts about 111 ms. How many
1. 1 answer
2. asked by bobby
3. 1,109 views
How to get isnumeric function to display an "error" message when necessary.Sub DetermineinterestSelectCase() Dim loan As Variant
1. 2 answers
2. asked by Matt
3. 940 views
This is the SAT essay practice. I wrote this in 25 minutes. Please give me feedback and make corrections. Grade me based on a
1. 1 answer
2. asked by Anonymous
3. 557 views
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in
1. 4 answers
2. asked by will
3. 10,944 views
Use the following table to answer the questions. (Give your answers correct to two decimal places.)x 1 1 3 3 5 5 7 7 9 9 y 3 2 6
1. 1 answer
2. asked by Tracy
3. 969 views
In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or
1. 2 answers
2. asked by Tracy
3. 1,442 views

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