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Trevor

Questions and answers by Trevor

Questions (122)

All 30 students in a class study at least 1 of the 2 subjects history or Geography .Twice as many study History as Geography .By
1. 4 answers
2. 1,742 views
2NH3 <--> NH4+ + NH2-In liquid ammonia the reaction represented above occurs. In the reaction, what does the NH4+ act as? A
1. 5 answers
2. 4,757 views
which of the following is the difference between athenian direct democracy and american representative democracy?a. in a direct
1. 7 answers
2. asked by Trevor
3. 2,964 views
I need help with a math problem. If someone finances an item at an apr rate of 17.99% interest, and pays all charges off in 2
1. 1 answer
2. 418 views
I want absolute, cosmic power. Can anyone point me in the direction of some useful resources?6 ways: 1) Avoid becoming a
1. 1 answer
2. 361 views
I need to find the verb and the subject in this sentence and I am having trouble-1. On and on, through the night, rode the
1. 14 answers
2. 403 views
I need to find the subject and the verb1.In the cockpit the pilot checked the instruments. (pilot is the subject and checked is
1. 1 answer
2. 483 views
N2H4+2H2O2->N2+4H2Oa) If you start with 23.0 g of hydrazine and 23.0g of hydrogen peroxide, which substance is the limiting
1. 3 answers
2. 926 views
An object is swinging from a point that is horizontal compared to the lowest point the object will reach (where the rope is
1. 4 answers
2. 1,022 views
You have a 30g quarter on an old LP turntable at a radius of 30 cm from the turntable's center. If the coefficient of Friction
1. 3 answers
2. 565 views
A 2 kg pendulum bob is hanging from a 30 cm long piece of string. If the pendulum bob is allowed to move in circular motion in a
1. 4 answers
2. 1,283 views
Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2= +5.00x10^-6 C .
1. 2 answers
2. 568 views
Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2= +5.00x10^-6 C .
1. 4 answers
2. 1,667 views
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and
1. 2 answers
2. 634 views
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and
1. 2 answers
2. 540 views
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and
1. 2 answers
2. 616 views
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and
1. 6 answers
2. 983 views
.5=e^(-20t)I am assuming this involves logs but we did't really learn logs. Anyone care to walk me through with a calculator.
1. 3 answers
2. 990 views
Which of the following produces a coordinate complex?H2SeO4 + 2Cl- + 2H+ --> H2SeO3 + Cl2 + H2O S8 + 8O2 --> 8SO2 3Br2 + 6OH-
1. 2 answers
2. 623 views
What is verb in the following sentence?There are many boats at the campsite.
1. 1 answer
2. 373 views
Elemental sulfur can form sulfur trioxide when burned. When sulfur trioxide is dissolved in water, it yields sulfuric acid. The
1. 4 answers
2. 1,043 views
9. Complete combustion of a 0.20 mole sample of a hydrocarbon, CxHy, yields 0.80 mol of CO2 and 1.0 mol of H2O. What is the
1. 6 answers
2. 3,168 views
The anions sulfite, carbonate and sulfide produce what gassesrespectively?
1. 5 answers
2. 381 views
What volume of 0.7 molar sodium hydroxide is needed to completely neutralize 90.04 mL of 0.4 molar sulfuric acid?
1. 3 answers
2. 437 views
To assay silver content in an alloy, a 13.38 g sample of alloy was dissolved in nitric acid. The addition of 0.53 molar sodium
1. 3 answers
2. 622 views
What is the quantity of heat evolved when 111.9 grams of H2O(l) is formed from the combustion of H2(g) and O2(g)?H2(g) + 1/2
1. 2 answers
2. 494 views
A 230-gram sample of metal at 82 degrees centigrade is added to 632 grams of water at 14.4 degrees centigrade in an ideal
1. 2 answers
2. 552 views
The maximum number of electrons that can occupy ONE f orbital is:A. 14 B. 6 C. 2 D. 18 E. 10 Wrong Points Earned: 0/2 Your
1. 3 answers
2. 932 views
I don't know why these aren't posting?Can someone please explain this to me? The maximum number of electrons that can occupy ONE
1. 1 answer
2. 369 views
A correct answer will yield me an "A" all SEMESTER, so help is appreciatedQuestion: Can you find a pythagorean triple whose
1. 1 answer
2. 375 views
A correct answer will yield me an "A" all SEMESTER, so help is appreciatedQuestion: Can you find a pythagorean triple whose
1. 3 answers
2. 478 views
Assume that you had 15 nuts (N) and 10 bolts (B). How many N2B molecules could you make by screwing two nuts onto each bolt?Ther
1. 2 answers
2. 583 views
The Genetic Information Nondiscrimination Act applies toA. life insurers. C. disability insurers. B. health insurers. D.
1. 2 answers
2. 876 views
Which of the following would you use to record your checking account transactions?A. A check stub or check book registry B. A
1. 3 answers
2. 678 views
Both Sam and Sylvia work at a bookstore. During a sale, Sam sold 15 percent more booksthan Sylvia. If Sam sold 69 books, how
1. 2 answers
2. 526 views
A person jumps from a window 57 meters high and is caught in a firefighter's net which stretches 0.6 meter. To the nearest tenth
1. 3 answers
2. 580 views
Verify the following:1. cos x/(1-sinx)= sec x + tan x 2. (tanx+1)^2=sec^2x + 2tan x 3. csc x = )cot x + tan x)/sec x 4. sin2x -
1. 2 answers
2. 684 views
what is the formal an funticnal region in washington
1. 3 answers
2. 1,723 views
Solve the inequality and sketch the solution:-3≤ 2(x+4)< 14
1. 3 answers
2. 554 views
Give the exact value of the trigonometric function:arctan(√3)
1. 2 answers
2. 502 views
I am working on a crossword that asks what is 4 times the diameter of Earth.Can you help with this?
1. 1 answer
2. 423 views
if a regular octagon has a perimeter of 264 centimeters, what is the measure of each interior angle and each side?
1. 1 answer
2. 388 views
Hi,I have had to factorise the equation x^2 + x - 30 = 0, which I think I have worked the answer out as x =-6, x =5? I now need
1. 2 answers
2. 524 views
Test each number for divisibility 2,3,5,and 10?48,960
1. 5 answers
2. 912 views
How many cm does it take to make 500ml
1. 1 answer
2. 312 views
How many cm does it take to make 500ml
1. 1 answer
2. 294 views
I need to find the equation for the following (compound interest):number of years: 12 initial principal: 10000 annual interest
1. 1 answer
2. 406 views
Nathans Hot Dog Corp has projected the following sales for the coming year:Q1 Q2 Q3 Q4 Sales $ 700 $ 850 $ 950 $ 1,050 Sales in
1. 2 answers
2. 1,328 views
If12x − 52 ≤ f(x) ≤ x2 + 4x − 36 determine lim x→ 4 f(x) = What theorem did you use to arrive at your answer?
1. 2 answers
2. 1,189 views
(1 pt) If f(x) = 2 √x, use the definition of derivative to find f′( x ).
1. 3 answers
2. 359 views
If f(x) = 2 √x, use the definition of derivative to find f′( x )
1. 2 answers
2. 1,281 views
Ironman steps from the top of a tall building. He falls freely from rest to the ground a distance of h. He falls a distance of
1. 4 answers
2. 3,269 views
Use implicit differentiation to find the slope of the tangent line to the curve –2x^2–2xy–1y^3=–3 at the point
1. 1 answer
2. 441 views
Write the mechanism for the reactions of:• (Z)-3,6-diethyl-oct-4-ene and bromine • (E)-3,6-diethyl-oct-4-ene and bromine
1. 1 answer
2. 350 views
a boy travels 20 km north, then 15 km south, how far is he from where he started?
1. 4 answers
2. 353 views
one fourth of the students earned A's. There were 280 students. How many earned A's?I got 70 for the answer but what is the
1. 3 answers
2. 630 views
Mary says that the greater number of counters, the greater the number of different arrays you can form. Give an example that
1. 4 answers
2. 388 views
half of a gallon is a half gallon. half of a half gallon is a quart. half of a quart is a pint. half of a pint is a cup. a cup
1. 4 answers
2. 869 views
In a "worst-case" design scenario, a 2000-{\rm kg} elevator with broken cables is falling at 4.00 {\rm m/s} when it first
1. 4 answers
2. 3,452 views
A block of mass m is placed in a smooth-bored spring gun at the bottom of the incline so that it compresses the spring by an
1. 5 answers
2. 9,343 views
To what extent and in what ways did the great depression and the new deal alter americans perception of the legitimate role of
1. 4 answers
2. 848 views
The method for completing the square can be used to write the expression -2x^2+12x-5 in the form a(x+b)^2 +c, where a,b, and c
1. 3 answers
2. 591 views
The woodpecker found 3069 bugs in a tree and ate two thirds of them.How many bugs were left in the tree?Draw a picture to
1. 1 answer
2. 421 views
how to write 12.37 as a mixed number
1. 10 answers
2. 4,611 views
How to write 3.100 in word form
1. 15 answers
2. 4,283 views
comparing 1,272 and 1,269. Do you need to cmpare the ones digits? Which number would be the farther to the right on the number
1. 4 answers
2. 575 views
Are floods both constuctive and destructive?
1. 1 answer
2. 308 views
Find the third angle of aright angle if one of the angles measures 24 degrees
1. 3 answers
2. 500 views
Find the third angle of aright angle if one of the angles measures 24 degrees
1. 1 answer
2. 322 views
6.4 - Y = 6 2/5What is Y
1. 1 answer
2. 259 views
if h(t) = 17.4 * 1.23^t, find t when z(t) = 144
1. 1 answer
2. 260 views
Internal and external Tratis of any charter u can think of? Please help me. Your help is needed...
1. 2 answers
2. 1,134 views
Internal and external Tratis of any charter u can think of? Please help me. Your help is needed...
1. 4 answers
2. 351 views
if a person 5 feet tall casts a 3 foot shadow and a building casts a 12 foot shadow, what is the height of building in feet?
1. 1 answer
2. 492 views
Write the term of the binomial series. Simplify.a. The term with b^5 in (a-b)^9 b. The seventh term of (x^1/2 + x^-1/2)^8
1. 3 answers
2. 395 views
For what value of k does the equation x2 + k = kx – 8 have:Two distinct real roots One real root No real root
1. 1 answer
2. 357 views
Consider the following types of data that were obtained from a random sample of 49 credit card accounts. Identify all the
1. 2 answers
2. 1,328 views
What inequality will equal -2 and 8?
1. 1 answer
2. 284 views
A solution is found to contain 1 x 10-4 OH− ions, determine the pH of this solution.
1. 1 answer
2. 374 views
A 4.0 kg wheel of 20 cm radius of gyration is rotating at 360 rpm. The retarding frictional torque is .12 N.m. Compute the time
1. 3 answers
2. 1,408 views
A 4.0 kg wheel of 20 cm radius of gyration is rotating at 360 rpm. The retarding frictional torque is .12 N.m. Compute the time
1. 3 answers
2. 1,695 views
The number in a power that is used as a factor is what?
1. 4 answers
2. 1,900 views
Use logarithmic differentiation:F(x)= (3x+6)^4 (x^3 -2)^5 f'(x)=
1. 1 answer
2. 384 views
Calculus If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain
1. 1 answer
2. 431 views
If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant,
1. 1 answer
2. 463 views
A 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec.
1. 2 answers
2. 854 views
1a. 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2
1. 2 answers
2. 1,216 views
Water is being poured into an inverted cone(vertex down) of radius 4 in and height 10 in at a rate of 3 in^3/sec. Find the rate
1. 3 answers
2. 747 views
A man is 6ft tall and is walking at night straight toward a lighted street lamp at a rate of 5 ft/sec. If the lamp is 20 ft
1. 4 answers
2. 1,616 views
What is the total capacitance of capacitors connected in series, C1=444F, C2=621F
1. 1 answer
2. 364 views
A gardener has 72' of edging. She wants to use it to enclose a 125 square foot rectangular area; she does not have to use up all
1. 1 answer
2. 349 views
Find the LCD:a) (12/55c^6) (4/11c^9) b) (9/4c+12) (5c/5c+10) c) (9x/x^2-4x+4) (5x/x^2-5x+6) d) (7/x) (3/42-7x) (x/x^2-36)
1. 1 answer
2. 297 views
A 96.0-g wooden block is initially at rest on a rough horizontal surface when a 11.4-g bullet is fired horizontally into (but
1. 3 answers
2. 705 views
A) What is the kinetic energy of a 1200kg car traveling at a speed of 30 m/s (≈65mph)?B) From what height would the car have
1. 4 answers
2. 4,576 views
A 50 g ball of clay traveling at speed v0 hits and sticks to a 1.0 kg block sitting at rest on a frictionless surface.A) What is
1. 4 answers
2. 14,082 views
How much work is done by the force F⃗ =(− 3.0 i^− 7.6 j^)N on a particle that moves through displacement Δr⃗ = 3.6
1. 4 answers
2. 3,547 views
Can someone please explain Immanuel Kant's view on ethics.
1. 4 answers
2. 560 views
A 5 ft chain is sitting on a table with 2 ft hanging off (3 ft sitting on table). The table is 4 ft high, and the chain slides
1. 1 answer
2. 465 views
Initial velocity is 21 m/s, the angle is 40 degrees, 20 meters away from the wall. How long is the ball in the air for?
1. 1 answer
2. 387 views
I know this is so simple but for some reason I am having a brain fart...A 20 C charge experiences a 2 N force in an electric
1. 1 answer
2. 432 views

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