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Darren

Questions (58)

A water-soluble salt formed by Hg2+ and perchlorate 52.58 g was dissolved in a solution containing 7.410 g of sodium sulfide,
1. 1 answer
2. 153 views
Combining 0.302 mol Fe2O3 with excess carbon produced 10.4 g Fe.Fe2O3+3C⟶2Fe+3CO What is the actual yield of iron in moles?
1. 1 answer
2. 122 views
Water is added to 54.0 mL of a 1.70 M solution to give a volume of 248 mL. 124 mL is taken from that solution and 177 mL of
1. 1 answer
2. 121 views
A woman is a carrier for hemophilia she marrys a normal male they have a son what is the chances of the sun having hemophilia
1. 1 answer
2. 305 views
Hello! How would I prove that the data is exponential? I tried to find a pattern but was unsuccessful. Here is the question:Prov
1. 1 answer
2. 475 views
Determine parametric equations for the plane through the points A(2, 1, 1), B(0, 1, 3), and C(1, 3, −2).
1. 1 answer
2. 1,209 views
The energy of a sound wave is most closely related to its?
1. 1 answer
2. 1,103 views
A sound of constant frequency is produced by the siren on top of a firehouse. Compared to the frequency produced by the siren,
1. 1 answer
2. 1,223 views
A step ladder 2.2m high was opened making an angle of 30° Calculate distance between legs of ladder
1. 4 answers
2. 482 views
If 10.0 L of butane and oxygen are combined at the same temperature and pressure, which gas will be left over after reaction?
1. 0 answers
2. 437 views
What is the (OH-) when pH = 4.25
1. 3 answers
2. 462 views
Hi. I need help with finding the derivative of the function:y= [(sec^7 x)/7] - [(sec^5 x)/5] Thanks!
1. 5 answers
2. 737 views
Hi! I need help finding the derivative of this function.f(x)= ln [(x(x-1))/(x-2)] Thank you.
1. 2 answers
2. 476 views
Given the following prime factors, determine the original number as well as all of its factors.2*3*5*7 I know that 2*3*5*7 is
1. 1 answer
2. 455 views
Indicate the independent variable and dependent variable:A research psychologist, working in a federal prison, is asked to
1. 1 answer
2. 664 views
A diver is currently at the surface of the water out at sea. If he descends into the ocean at an angle of depression of 32
1. 1 answer
2. 400 views
Physics Help!!!!! Maximum Kinetic Energy based on a graph?A 2.50kg ball is attached to an unknown spring and allowed to
1. 2 answers
2. 969 views
Given that the general population is normally distributed on a standard scale measuring math aptitude with Mean = 50 (s.d. =
1. 2 answers
2. 481 views
Find the area between the x axis and the graph of y = (2e^x)/(1+e^(2x))a. e^2 b. pi c. pi/2 d. 2pi d. none of the above
1. 1 answer
2. 325 views
Calculate the area under the curve y=e^-x above the x axis on the interval [1, infinity).a. infinity b. 0 c. -1/e d. 1/e e. none
1. 1 answer
2. 1,068 views
Evaluate the integral or show that it diverges: Integrand 0, lower, to 3, upper, (1/x)dx.a. infinity b. negative infinity c. 0
1. 2 answers
2. 412 views
Find the limit as x approaches 0: (e^x^2-1)/(2x^2)a. 0 b. 1/2 c. infinity d. does not exist e. none of the above
1. 0 answers
2. 335 views
Evaluate the integral (3x+4)/[(x^2+4)(3-x)]dxa. (1/2)ln(x^2+4) + ln|3-x| + C b. (1/2)arctan(x/2) + ln|3-x| + C c.
1. 0 answers
2. 415 views
Compute the average value of f(x) = x/(x+3) over the interval [-a,a], 0 < a < 3.a. 1 + (3/2a)ln[(3-a)/(3+a)] b. 2a +
1. 1 answer
2. 414 views
93*3^2-6^2-4^3
1. 2 answers
2. 283 views
Calculate a space shuttle territory 250 km above Earth's surface. Earth's mass is 6.0 * 10^24kg and its radius is 6.38 * 10^6 m
1. 2 answers
2. 1,279 views
A 1800-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or
1. 0 answers
2. 1,088 views
An external sinusoidal force is applied to an oscillating system which can be modelled by a model spring and a damper. The
1. 1 answer
2. 455 views
A particle A of mass 2.11 kg collides with another particle B of mass 3.86 kg. Their initial velocities are u1 = 2.16i + 0.88j
1. 1 answer
2. 524 views
(x^3+8) x ((x-2)/(x^2-2x+4))/ (x^2-4)/(x-6)
1. 1 answer
2. 267 views
The average age of vehicles registered in the united states is 96 months, with a standard deviation of 16 months. If a random
1. 0 answers
2. 676 views
if i had a 1.875 and i get a C to go up to a B what is my GPA? will it be a 2.0? i need help i want to play baseball.
1. 1 answer
2. 385 views
if i had a 1.875 and i get a C to go up to a B what is my GPA?
1. 1 answer
2. 362 views
Can someone please help edit my French?My French: Quelles matières étudiez-vous cette année ? Moi, je fais deux les maths, la
1. 1 answer
2. 935 views
You are designing a kit formaking sand castles. You want one of the molds to be a cone that will hold 48π cubic inches of sand.
1. 1 answer
2. 1,954 views
A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. The
1. 1 answer
2. 2,043 views
You are holding a 5 kg dumbbell straight out at arm's length. Assuming your arm is 0.63 m long, what torque is the dumbbell
1. 2 answers
2. 3,045 views
What property changed(4c + 3c) + 6 to (4+3)c + 6?
1. 1 answer
2. 530 views
Solve for m. -6m - 7 = -5m + 3
1. 4 answers
2. 398 views
Suppose you wish to visit a star which is 450 light years away, and that you want your 21000 kg rocket to move so fast that you
1. 1 answer
2. 710 views
a)What speed must one frame of reference be moving relative to another for the two to disagree about the length by 1%b)What
1. 0 answers
2. 401 views
At what speed must one frame of reference be moving relative to another for the two frames to disagree about lengths by 1%?
1. 0 answers
2. 406 views
A rocket cruising past Earth at 0.79c shoots two bullets at 0.92c relative to the rocket with one of the bullets fired along the
1. 1 answer
2. 646 views
An airplane takes off in a straight path. When it has traveled 5 km, it is 3 km high. To the nearest kilometer, what is the
1. 1 answer
2. 983 views
I'm stumped in reference to figuring the answer for the following question. If anyone can help I would be so thankful. The
1. 0 answers
2. 447 views
Hi there,I need to make a response to this quote, could anyone give me ideas of what this quote might mean in relation to media
1. 2 answers
2. 511 views
When HIPAA requires auhtorization to disclose information the authorization must
1. 1 answer
2. 476 views
Can someone help me with Sidney Sonnet 31 and 39 questions?The sonnets are at the bottom if you need them. 1. The unifying theme
1. 3 answers
2. 1,905 views
Could someone help me solve these system using elementary operations, I am having trouble with both of them.x+y+z =0 x-y =1 y-z
1. 1 answer
2. 473 views
Could you please help me solve this question:Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14
1. 3 answers
2. 883 views
Why is there electrical activity in the brain? Describe how it is used by neurons.
1. 0 answers
2. 435 views
Hi there,I am doing a presentation comparing women in Hamlet times to women today. But i need help finding a cartoon
1. 0 answers
2. 464 views
A mass 0f 10kg is suspended by 2 pieces of string, 30 cm and 40 cm long, from twp points that are 50cm apart and at the same
1. 0 answers
2. 640 views
does anyone know what is the pathway used to board an airplane?the bridge-like pathway that connects to the doors of the plane
1. 3 answers
2. 521 views
Les Fleurs, a boutique in Paris, France, had the following accounts in its accounting records at December 31, 20X2 (amounts in
1. 3 answers
2. 532 views
what is the opposite of cohesive but still using cohesive in itincohesive?
1. 1 answer
2. 377 views
what are people from rhode island called?rhode islanders?
1. 1 answer
2. 446 views
I don't know how to find the GCF if the variables are different. For example, 48a^3 and 16b^5.
1. 0 answers
2. 405 views

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