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Adam

Questions and answers by Adam, page 6

Questions (650)

What mass of CaO, can get by the decomposition of 250 g of CaCo3 with 80% purity?
1. 2 answers
2. 612 views
An object's velocity after t seconds is v(t)= 38-2t feet per second.a. How many seconds does it take for the object to come to a
1. 1 answer
2. 842 views
A bowl has red,green and blue marbles.There are 95 red marbles.the nuber of blue marbles is 5 timesthe number of green mables
1. 4 answers
2. 2,081 views
How many grams of sucrose will be necessary to prepare 300 ml of a 5% solution of sucrose (342.0 g/mol)
1. 4 answers
2. 2,699 views
The nitric acid was purchased as a solution that has 70% HNO3. That volume (mL) of this solution is necessary for preparing 250
1. 2 answers
2. 594 views
wet with dew straggly branches slapped and scratched at my legs and hid uneven ground so that several times tumbling and sliding
1. 37 answers
2. 7,350 views
A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and
1. 4 answers
2. 1,257 views
Urgent. A density bottle weigh 0.25 when empty and 0. 75 when. Filled with water and 0.65N when filled with alcohol calculate
1. 4 answers
2. 630 views
A 45.0 g piece of copper wire is heated. And the temperature of the wire changes from 21.0 degrees C to 88.0 degrees C. The
1. 2 answers
2. 858 views
The solubility product constant of Calcium hydroxide is 6.5 * 10^-6 . If 0.10 mo of sodium hydroxide is added to 1 L of 0.0001 M
1. 4 answers
2. 1,913 views
What causes a reaction to be spontaneous? Answer by answering each part a) (1 point) What is definition of spontaneous
1. 1 answer
2. 451 views
Which of the following is an example of a narrative poem?A. The Bridegroom by Alexander Pushkin B. The Fish by Elizabeth Bishop
1. 10 answers
2. 2,557 views
If the sled in the the previous question weighs 530 newtons and the horse pulls it with a force of 140 newtons across level
1. 2 answers
2. 569 views
An automobile uses 8 gallons in traveling 120 miles at that rate how many gallons will be used in 360 miles?
1. 2 answers
2. 752 views
Consider the following system of equations. Solve and write as a coordinate point.5x+4y=-14 3x+6y=6 Please help and thanks
1. 4 answers
2. 494 views
By your cell phone contract, you pay a monthly fee plus some money for each minute you use the phone during the month. In one
1. 4 answers
2. 6,114 views
Must the Graphical Sequence Algorithm always give a connected graph? Assuming the sequence is graphical.
1. 1 answer
2. 380 views
Compute the probability of randomly drawing five cards from a deck and getting 3 Aces and 2 Kings. (Give your answer as a
1. 2 answers
2. 579 views
Suppose a jar contains 5 red marbles and 33 blue marbles. If you reach in the jar and pull out 2 marbles at random, find the
1. 4 answers
2. 1,488 views
A company has 11 male and 10 female employees, and needs to nominate 2 men and 2 women for the company bowling team. How many
1. 3 answers
2. 1,209 views
What is the degree of each monomial?-9 A. -8 B. 0 C. -10 D. 1
1. 6 answers
2. 975 views
Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms.2 – 11x^2 – 8x +
1. 16 answers
2. asked by Adam
3. 10,225 views
A student does a standard addition experiment by pipetting 25 mL of unknown, adding ferrous ion spikes and reagents, into a 100
1. 1 answer
2. 469 views
Calculate the value of Z and its absolute standard deviation. All standard deviations shown are absolute. Show your work and
1. 1 answer
2. 373 views
we make a solution of water and ethylene glycol c2h4(oh)2 which contains 24 g of the glycol for each 74 g of water. What is the
1. 2 answers
2. 1,306 views
What is the first common number among:palindromic numbers, Triangular numbers and Fibonacci numbers?
1. 1 answer
2. 414 views
3) Air at standard conditions enters the compressor shown in Fig. Q3 at a rate of 0.3m3/s. It leaves the tank through a 3 cm
1. 1 answer
2. 712 views
d/dx integral e^t^2 dt from 1 to x^3Please help. I think I'm supposed to use substitution for the x^3 and then apply the chain
1. 1 answer
2. 352 views
h2po4(aq) + co34(aq) hco3 (aq) + hpo42 (aq)
1. 2 answers
2. 621 views
Use the information to solve the triangle. If two solutions exist find both.1.A=36°, B=98°, c=16 2.a=4, b=8, c=10 3.A=35°,
1. 1 answer
2. 406 views
In order to determine the average permeability of a bed of sand 12.5 m thick overlying an impermeable stratum, a well was sunk
1. 1 answer
2. 626 views
F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the
1. 1 answer
2. 357 views
F(x,y) represents a velocity field of a fluid over a surface z=6-3x-2y.If the magnitude of the velocity in the direction of the
1. 1 answer
2. 347 views
This summer Borice decides to put a rectangular swimming pool in his back yard. The material he uses for the border of the
1. 2 answers
2. 804 views
Assuming I have the following reaction:LiO2 + C +2 Mg -> LiC + 2MgO I'll be using 0.1 g of LiO2 to react with 1.2 mol C and 2.2
1. 1 answer
2. 362 views
8x + 14y = 246x + 7y = 10 We are suppose to solve for x and y but I don't get the right answer
1. 2 answers
2. 593 views
For traffic that flows on a highway, the headway is the average time between vehicles. On four-lane highways, the probability P
1. 4 answers
2. 3,286 views
Some years from now you are working for a book publisher. Your boss asks you to give him a formula that will tell him the length
1. 3 answers
2. 731 views
A bank advertises a savings account that earns 3% APR compounded daily.What is the "n" become for the compound interest formula?
1. 6 answers
2. 630 views
A car today costs $32000. Assume that the average annual rate of growth per year was 5.83% over the last 45 years to answer the
1. 1 answer
2. 465 views
Mark put $3290 into a bank that offered 3% interest rate compounded monthly. Mark kept the money in this account for 9 years and
1. 2 answers
2. 511 views
Zeb is going to deposit $3370 into an account that earns 14% APR compounded annually for 37 weeks.What is the "n" in the
1. 3 answers
2. 504 views
A bank account was opened with a deposit of $2750 at an APR of 3.5% compounded one of the following ways. Find the amount in
1. 4 answers
2. 534 views
Given that the graph of f(x) passes through the point (6,3) and that the slope of its tangent line at (x,f(x)) is 2x+6, what is
1. 3 answers
2. 1,054 views
During a recent survey of two middle school classrooms, 1/3 of the students reported that they bring their lunch to school.
1. 42 answers
2. 834 views
A baseball traveling upward passes a window 29.0 m above the street with a vertical speed of 14.0 m/s. If the ball was thrown
1. 1 answer
2. 442 views
A baseball traveling upward passes a window 29.0 m above the street with a vertical speed of 14.0 m/s. If the ball was thrown
1. 7 answers
2. 830 views
A marble is flicked straight up. It takes 2.3 seconds to reach its maximum height. How long does it take it to return to its
1. 4 answers
2. 625 views
For safety reasons, park rangers decide to start an avalanche on a mountain slope. They fire an artillery shell at an angle of
1. 3 answers
2. 536 views
A ball rolls without slipping at 5 m/s off an incline of 15 degrees. The ball falls off the incline and enters a hole 4 meters
1. 4 answers
2. 946 views
Juan throws a baseball with an initial speed of 40 m/s at an angle of 56 0 above the horizontal. Richard catches the ball at the
1. 3 answers
2. 641 views
A basketball player who is 2.00 m tall is standing on the floor 8 m from the basket. If he shoots the ball at a 390 angle with
1. 4 answers
2. 608 views
A basketball player who is 2.00 m tall is standing on the floor 8 m from the basket. If he shoots the ball at a 390 angle with
1. 2 answers
2. 752 views
A crate of mass 106 kg is pulled by a rope on a frictionless surface. The rope makes an angle of 40 0 above the horizontal. If
1. 5 answers
2. 581 views
Two blocks lie on a triangle as shown in the figure. Block m has a mass of 5 kg and block P has a mass of 14 kg. Assume the
1. 2 answers
2. 793 views
A plane is in a steep downward plunge. To not crash, Captain Q pulls as much as he can. When the plane is at the lowest point of
1. 1 answer
2. 475 views
A wheel has an initial speed of 100 radians/s. It is then slowed down with a magnitude of the constant angular acceleration of
1. 3 answers
2. 331 views
A car wheel has a moment of inertia of 0.35kg m^2. It takes 50 seconds to come to rest from the initial angular velocity of 45
1. 3 answers
2. 527 views
A pitcher can throw a ball towards the home plate at 120km per hour. When thrown, the ball curves. The curveball has a spin of
1. 2 answers
2. 507 views
A circular round disc that has a radius of 5cm and a mass of 32g is rotating with an angular velocity of w. A second disc with
1. 1 answer
2. 507 views
A rotating platform is on a table and an object is on the platform. The platform has a diameter of 30.0cm and it has a string
1. 2 answers
2. 538 views
On planet Mars, A pendulum has a length of 4L and period of 5T.what is the acceleration due to gravity ?
1. 1 answer
2. 482 views
Suppose that a body of an object is experiencing SHM ( simple harmonic motion) and it oscillates with position
1. 2 answers
2. 523 views
Determine the oxidation number of V in the V_4O_12^4− ion given that the oxidation number of oxygen is −2
1. 3 answers
2. 1,254 views
Suppose that a spring is attached to a wall. On the other end of the spring, it is attached to an object of 0.263kg. When the
1. 2 answers
2. 564 views
A circular metal wire, with a radius of 0.5 mm, has a force of 2 kN applied along it. Ifthe wire has an unstressed length of 3 m
1. 7 answers
2. 493 views
In this estimation, question gives your answers to one significant figure.A) If a cash point dispenses a £10 note every second,
1. 4 answers
2. 411 views
Light is shone from a liquid onto the air. The angle of incidence in the liquid is 45◦. The angle of refraction is measured to
1. 1 answer
2. 411 views
From the expression E = mgh for potential energy, how can I express the unit of energy, the joule, in terms of kilograms, metres
1. 3 answers
2. 548 views
The currently accepted maximum depth limit for safe scuba diving while breathing air is 50 metres. What is the absolute partial
1. 1 answer
2. 428 views
A)In your body the following reaction takes place:C6H12O6 + nO2 ! mCO2 + 6H2O What are the numbers n and m? and my answer was:
1. 3 answers
2. 433 views
how to estimate the root mean square speed of hydrogen molecules in the earth's atmosphere in km h^-1? thanks for your help, I'm
1. 1 answer
2. 409 views
A) What area of a black body kept at 300°C radiates 100W?B) If a 25m2 roof has a U-value of 0.4Wm^-2 °C^-1, how much heat,
1. 1 answer
2. 339 views
Could some one tell me what effects an atomic bomb could have on human rights?
1. 1 answer
2. 375 views
An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. The archer hears the "thwok" exactly
1. 2 answers
2. 591 views
What happened when Faisal took over? What are some of the challenges that Khalid had to face during his reign?
1. 1 answer
2. 356 views
Saudi Arabian political system. What are some of the sources of political influence? What are some of the political reforms
1. 1 answer
2. 442 views
Is civil society allowed in Saudi Arabia?
1. 1 answer
2. 426 views
the Anglo-Iranian Oil Company (AIOC). What are the objectives of this agreement
1. 1 answer
2. 402 views
So The graph is asking turn the table below into a frequency table:0,5 1,4 2,8 3,7 4,2 5,1 6,1 In my opinion it already is a
1. 4 answers
2. 471 views
Give an example of a data set for which youcan ONLY find the mode but not the mean or median. How can I find a data set with
1. 1 answer
2. 382 views
What did Simón Bolívar promise Alexandre Pétion in exchange for weapons and Haitian troops?A.to promote international trade
1. 3 answers
2. 1,240 views
Assess the extent to which the ethical consumption trends may have reduced the negative consequences of globalisation.Thank you.
1. 2 answers
2. 724 views
List the most i mportant (strongest) intermolecular force(s) that must be overcome to(a) vaporize liquid CH 3 OH (b) remove
1. 2 answers
2. 549 views
A function has f’’(x) = 10 and has f’(4) = 0 and f(2) = 4. Find f(x)
1. 1 answer
2. 323 views
Consider the functions A(x, y) = x^(2)y + xy - 3xy^(2), and B(x, y) = xe^(xy) - y(a) Calculate the x derivative of A, or Ax. (b)
1. 1 answer
2. 390 views
Suppose you buy a home and finance $255,000 at $2,293.17 per month for 30 years. What is the amount of interest paid? (Round
1. 4 answers
2. 1,708 views
A converging lens forms a virtual image 2.61times the size of the objecT. The object distance is 11cm. Find the distance of the
1. 2 answers
2. 584 views
the time t required to drive a certain distance varies inversely with the speed, r. If it takes 4 hours to drive the distance at
1. 3 answers
2. 870 views
1. Explain what a conjecture is, and how you can prove a conjecture is false.2. What is inductive reasoning? 3. What are the
1. 5 answers
2. 653 views
It's been a while since I've had to do this so I don't remember.I have the equation 6x + 19 = x. They want me to solve for x.
1. 3 answers
2. 366 views
What is greater 3/5 or 3/4
1. 3 answers
2. 393 views
"Write a system of equations in three variables that has a single solution of (-1, -2, -3)"The first equation that I made was
1. 3 answers
2. 435 views
In a group of 120 students, 72 play chess, 65 play Scrabble and 53 play dice if 35 play both chess and Scrabble, 30 play both
1. 7 answers
2. 2,993 views
a force of 2N Stretches an elastic rubber by 0.2M Find the elastic constant
1. 1 answer
2. 469 views
What is the value of the digit 8 in the number of 56,782,010,00
1. 3 answers
2. 757 views
Let X and Y be two normal random variables, with means 0 and 3 , respectively, and variances 1 and 16 , respectively. Find the
1. 4 answers
2. 4,628 views
1. The random variables X and Y are distributed according to the joint PDFfX,Y(x,y) = {ax2,0,if 1≤x≤2 and
1. 6 answers
2. 6,856 views
A fair coin is flipped independently until the first Heads is observed. Let the random variable K be the number of tosses until
1. 1 answer
2. 805 views
A fair coin is flipped independently until the first Heads is observed. Let the random variable K be the number of tosses until
1. 3 answers
2. 1,128 views

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