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Keith

Questions (129)

How many solutions does the system of equations below have?6x − 8y = 7 –10x + 9y = –2
1. 3 answers
2. 990 views
A first order spectrum is obtained using an optical grating with 500 lines/m. What is the angular separation of red , with
1. 0 answers
2. 478 views
Let 𝐴 and 𝐵 be independent random variables with means 1, and variances 1 and 2, respectively.Let 𝑋=𝐴−𝐵 and
1. 0 answers
2. 722 views
6a) Each magazine that Charlie reads takes an amount of time that follows an exponential distribution with mean 10 minutes. The
1. 2 answers
2. 2,293 views
You observe 𝑘 i.i.d. copies of the discrete uniform random variable 𝑋𝑖 , which takes values 1 through 𝑛 with equal
1. 1 answer
2. 1,884 views
Here are four numbers.0.43 3 7 43.8% 7 16 Write these numbers in order of size. Start with the smallest number
1. 3 answers
2. 1,895 views
In Mexico and most of Central America, most wealth isA. concentrated within the upper class. B. spread out evenly among all the
1. 6 answers
2. 2,113 views
Name, in full three(3) institutions which deal with human rights violations
1. 2 answers
2. 1,177 views
What is the period of the function? y=4 cos pi xA. 1 B. 2 C. pi D. 2pi
1. 4 answers
2. 3,829 views
Find the missing term of the arithmetic sequence 24, __, 36, ...A. 34 B. 30 C. 42 D. 20
1. 5 answers
2. 4,184 views
Suppose you drop a tennis ball from a height of 9 feet. After the ball hits the floor, it rebounds to 80% of its previous
1. 5 answers
2. 4,504 views
A dancer completes 3.2 revolutions in a pirouette. What is her angular displacement?
1. 2 answers
2. 822 views
I need to find the intercepts for:f(x)=e^(x^2-9x+20)-1
1. 2 answers
2. 326 views
Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the
1. 4 answers
2. 1,419 views
Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the
1. 1 answer
2. 960 views
List a sequence of transformations which maps the graph of y=x^2 to the image with equation y=4*(2x-3)^2 + 1Please help
1. 4 answers
2. 631 views
Sima wishes to accumulate $60000 in five years. She invests twice that amount in a fun that earns 7.2%, compounded quarterly.
1. 1 answer
2. 508 views
Assume that women's heights are normally distributed with a mean given by mu equals 63.8 inμ=63.8 in, and a standard
1. 1 answer
2. 671 views
I had to solve this quadratic equation using the complete the square method. Did I do it correctly?The problem is 3x^2+18x+10= 0
1. 1 answer
2. 822 views
In a certain state, each automobile license plate number consists of two letters followed by a four-digit number. To avoid
1. 2 answers
2. 5,330 views
CAMERON AND HIS FAMILY WERE EATING LEFTOVER LASAGNA. There was 1/2 of the lasagna left. Cameron has one brother, one sister, and
1. 10 answers
2. 1,998 views
A square coil with 30 turns has sides that are 18 cm long. When it is placed in a 0.31-T magnetic field, a maximum torque of
1. 2 answers
2. 2,001 views
Does inspirational appeal always have to be engaged from a "top- down" approach? Can a leader develop a team where he becomes
1. 1 answer
2. 458 views
With the recent terrorists threats that the US has had for example the bombings at the Boston marathon, do you think the
1. 1 answer
2. 422 views
In your opinion what do you think is more important, civil liberties or security? Do you think that one outweighs the other?
1. 1 answer
2. 420 views
I need to see how this is answered.1. Lauren deposited $200 into her savings account with 1% interest rate compounded annually.
1. 7 answers
2. 1,020 views
What is the context of the juvenile justice system
1. 1 answer
2. 490 views
How do you feel about juvenile delinquency?
1. 5 answers
2. 550 views
Are the juvenile courts doing enough to change the treatment of juveniles in the justice system?
1. 3 answers
2. 467 views
Are parents and school management playing a suitable role to control increasing school violence? If not, what else can they do
1. 5 answers
2. 695 views
What is the inverse of each of the functions defined by the following equations, if the inverseexists. If the inverse does not
1. 0 answers
2. 863 views
The Suva Energy Information Administration reported that 51.7% of homes in Sunnyville were heated by natural gas. A random
1. 2 answers
2. 1,402 views
A rental agency claims that the average rent that small-business establishments pay in Suvacity is $800. A sample of 10establish
1. 0 answers
2. 580 views
The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are
1. 21 answers
2. 15,051 views
A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?
1. 2 answers
2. 3,311 views
17. In Shirley Jackson’s “The Lottery,” how does the author use Tessie’s late arrival to help create suspense? (1 point)
1. 33 answers
2. 7,651 views
16. What is the effect of the author’s use of assonance in the following line from “The Raven?”“For the rare and radiant
1. 7 answers
2. 2,702 views
12. What does the following quote reveal about Montressor’s intentions?"'Pass your hand,’ I said, ‘over the wall; you
1. 3 answers
2. 1,035 views
What is the sample Z score to reject the null hypothesis if the cut off Z score +-2.31?
1. 1 answer
2. 474 views
A population is normally distributed with mean 30, population SD =10, Sample size 25. What are the mean and variance of the
1. 1 answer
2. 519 views
Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? I worked it out this way 8/15 x 30
1. 1 answer
2. 580 views
Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank
1. 1 answer
2. 482 views
A 0.40 kg mass is attached to a spring with force constant 26 N/m and released from rest at a distance of 3.2 cm from the
1. 2 answers
2. 1,763 views
True or false. P (n, r) = r! C (n, r).explain why please, thanks
1. 1 answer
2. 493 views
1). After the assignment statementresult = isspace('\t'); result has the value ________. 2). The data type of islower('g') is
1. 3 answers
2. 600 views
rectangular form to polar formxy=12 rsinÆŸ rcosÆŸ=12 would the answer be: r^2=12/cosÆŸ sinÆŸ please show steps, Thanks
1. 1 answer
2. 765 views
Use all ten digits from 0 to 9 only once. Do not use 0 in either the milions or thousandths places. What is the greatest number
1. 1 answer
2. 1,024 views
Alternate exterior angles are always ?
1. 1 answer
2. 685 views
a – 6 = 2ba + b = 15
1. 1 answer
2. 361 views
6 sided die is rolled 8 times, how many sequence of rolles are there?
1. 2 answers
2. 490 views
A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of
1. 1 answer
2. 2,006 views
A turntable must spin at 33.7 rpm (3.53 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if
1. 1 answer
2. 943 views
A spinning flywheel has rotational inertia I = 401.9 kg · m2. Its angular velocity decreases from 20.5 rad/s to zero in 257.1 s
1. 1 answer
2. 566 views
You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 372 N. The store owner desires that
1. 0 answers
2. 1,203 views
A house painter stands 3 m above the ground on a 5.3-m-long ladder that leans against the wall at a point 4.7 m above the
1. 0 answers
2. 823 views
If S is an element of [ 3pi/2 , 2pi ] what quadrant does the terminating side lie in and evaluate for sine theta
1. 1 answer
2. 485 views
Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr @ 633 degrees C and 400.0 torr @ 823
1. 2 answers
2. 2,078 views
Write the balanced net ionic equation. Label species as solids liquids gase aqueous.HNO3(aq) + Ba(OH)2(aq) ---> I don't
1. 2 answers
2. 569 views
If a person is 66 inches tall is standing 15 feet away from a streetlight. If the person casts a shadow 84 inches long, how tall
1. 2 answers
2. 3,316 views
a car is approaching a traffic light at 25m/s when it turns red. The driver takes 1 second to react and put his foot on the
1. 1 answer
2. 1,378 views
a girl throws a ball vertically upwards at 5m/s from the roof of a building 20m highhow long will it take the ball to reach the
1. 2 answers
2. 931 views
Sam two student loans totaled $31,000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Sam
1. 1 answer
2. 679 views
The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly
1. 1 answer
2. 897 views
The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly
1. 1 answer
2. 591 views
At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
1. 1 answer
2. 476 views
At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?
1. 0 answers
2. 425 views
Find two possible numbers that differ by 8 and whose reciprocals differ by 1/6.
1. 1 answer
2. 1,647 views
Industry downsizing has been a major part of the corporate world, even government agencies are downsizing. GovernmentExecutive
1. 4 answers
2. 597 views
Throughout the corporate world, businesses are transforming labor into a more flexible (and variable) cost. Among such companies
1. 0 answers
2. 560 views
I want to ride.What parts of speech are to ride in this sentence.
1. 1 answer
2. 454 views
Find the area of a square given that the length of each of its sides is 1/4 the value of its area.
1. 2 answers
2. 424 views
What does the treatment of the colonies by their European powers tell you about their views of these colonists and natives?
1. 1 answer
2. 437 views
Gasohol contains ethanol (C2H4OH)(l), which when burned reacts with oxygen to produce CO2(g) and H2O(g). How much heat is
1. 6 answers
2. 11,717 views
solve following using "elimination method"3x^2 + 4y = 17 2x^2 + 5y = 12
1. 1 answer
2. 1,399 views
x^2+y=9, x-y+3=0. Need to solve using substitution method.
1. 2 answers
2. 951 views
x^2+y=9, x-y+3=0. Need to solve using substitution method.
1. 0 answers
2. 402 views
What is the key words of the Vowel Pair and the Vowel Digraph?
1. 0 answers
2. 645 views
Distinguish between efflorescent and hygroscopic substances.
1. 1 answer
2. 491 views
Distinguish between efflorescent and hygroscopic substances.
1. 1 answer
2. 1,259 views
what do limiting reagents have to do with...5F2(g) + 2NH3(g) ==> N2F4(g) + 6HF(g) a)If you have 66.6 g NH3, how many grams of F2
1. 1 answer
2. 1,781 views
The reaction of flourine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride.5F2(g) + 2NH3(g) ==> N2F4(g) +
1. 3 answers
2. 2,209 views
The equation below shows the incomplete combustion of ethene.C2H4(g) + 2O2(g) ==> 2CO(g) + 2H2O(g) If 2.70 mol C2H4 is reacted
1. 3 answers
2. 7,824 views
What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate?2Al(
1. 1 answer
2. 1,682 views
how to simplify radicals
1. 1 answer
2. 476 views
Why is a stick of gum like a sneeze?
1. 2 answers
2. 973 views
A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The
1. 1 answer
2. 835 views
A block of mass M hangs from a rubber cord. The block is supported so that the cord is not stretched. The unstretched length of
1. 0 answers
2. 811 views
A lobsterman's buoy is a solid wooden cylinder of radius r and mass M. It is weighted on one end so that it floats upright in
1. 1 answer
2. 2,004 views
A beaker of mass mb containing oil of mass m1 and density ρ1 rests on a scale. A block of iron of mass m2 and density ρ2 is
1. 0 answers
2. 901 views
A beaker of mass mb containing oil of mass m1 and density ρ1 rests on a scale. A block of iron of mass m2 and density ρ2 is
1. 0 answers
2. 941 views
what are the myths surrounding hunger and satiety?
1. 0 answers
2. 433 views
The question is:A Woman is selling an (X) amount of Oranges The first time she sold half of the total Oranges and half of an
1. 1 answer
2. 1,061 views
Because of prevailing winds, a tree grew so that it was leaning 4 degrees from the vertical. At a point, 35 meters from the
1. 2 answers
2. 3,839 views
How do you find all the solutions of the equation in the interval [0,2π)?3tan^3x=tanx
1. 1 answer
2. 709 views
I have to write a NewsPapper on a book I read consisting on the main charter ect. and I am not that great at writing pappers.
1. 2 answers
2. 379 views
LAST QUESTION I PROMISE> I AM STUCK PLEASE HELPIn the area of public administration, which of the following is considered to be
1. 2 answers
2. 595 views
The capture hypothesis states that public organizationsA. Steal employees from the private sector B. Battle for more than their
1. 1 answer
2. 1,088 views
PLEASE HELPPublic organizations borrow money from the private sector to avoid conflict with A. Taxpayers B. Policymakers C.
1. 0 answers
2. 447 views
PLEASE HELP. I am stuck on this question.Which of the following is not one of the outside forces impacting an agency head? A.
1. 2 answers
2. 692 views
Last question... I am having a hard time finding the correct words to explain the following.What are the principles of public
1. 1 answer
2. 582 views

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