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Questions (444)

If it requires 5.5 J of work to stretch a particular spring by 2.0 cm from its equilibrium length, how much more work will be
1. 1 answer
2. 901 views
Multiply , then simplify5 sqrt:75 - 7 sqrt:3
1. 1 answer
2. 977 views
solve (x+17)(x-6)(x+14)>0
1. 1 answer
2. 379 views
How much by mass of Urea (NH2)2CO is required for a 32.5% solution in one litre of water.
1. 1 answer
2. 1,146 views
Suppose that a firm has only one variable input, labor, and firm output is zero when labor is zero. When the firm hires 6
1. 1 answer
2. 1,637 views
Suppose that a firm has only one variable input, labor, and firm output is zero when labor is zero. When the firm hires 6
1. 1 answer
2. 1,441 views
A stone is dropped from a high altitude and 3 s later another stone is projected downward with a speed of 150 ft/s. When and
1. 2 answers
2. 3,010 views
Name for Sn(BrO3)
1. 1 answer
2. 1,032 views
The closing price for XYZ Company's common stock is uniformly distributed between $10 and $20 per share.What is the probability
1. 0 answers
2. 926 views
can O3, AsH3 and H2Se act as a lewis acid? please explain.
1. 5 answers
2. 2,379 views
can O3, AsH3 and H2Se act as a lewis acid? please explain.
1. 1 answer
2. 678 views
two smaller prisms have heights 2' and 10'. If the volume of the smaller prism is 32 cubic feet, find the volume of the larger
1. 2 answers
2. 742 views
True or false?The following linear equation, y = b0 + b1x, is a regression line with y-intercept b0 and slope b1.
1. 1 answer
2. 511 views
True or false? The value of the correlation coefficient can be between 0 and 1.
1. 1 answer
2. 530 views
True or false? The linear correlation coefficient, r, is a numerical measure of the strength of the relationship between two
1. 1 answer
2. 1,099 views
Budweiser (now owned by a Belgium based beer company), Miller and Coors who together produce 85% of all beer consumed in the US,
1. 2 answers
2. 928 views
Two identical conducting spheres, fixed in place, attract each other with a force of 0.114 N when their center to center
1. 0 answers
2. 702 views
I need to write an essay using the second amendment controversy with gun control as proof that the Bill of Rights is at an
1. 2 answers
2. 634 views
An equilateral triangle 100.0 m on a side has a m1 = 15.00 kg mass at one corner, a m2 = 75.00 kg mass at another corner, and a
1. 1 answer
2. 620 views
A dock worker loading crates on a ship finds that a 24 kg crate, initially at rest on a horizontal surface, requires a 64 N
1. 1 answer
2. 782 views
55g of CF2Cl2, how many grams of Cl do I have? How do I solve this kind of problem?
1. 1 answer
2. 1,267 views
The coil used to measure the movements of a blowfly as described having a diameter of 2 mm, in addition the blowfly is immersed
1. 0 answers
2. 540 views
Recently, a case of food poisoning was traced to a particular restaurant chain. The source was identified and corrective actions
1. 0 answers
2. 1,315 views
In the equation A=ur^2, if r is doubled, by what number is A multiplied and why?a. 2 b. 1\2 c. 4 d. 1\4
1. 1 answer
2. 366 views
If x=yz, which of the following must be equal to xy?a. yz b. yz^2 c. y^2z d. z^2\y
1. 1 answer
2. 2,434 views
What mass of sodium iodide (NaI) is contained in 135 mL of a 7.0% (m/v) soulution?
1. 2 answers
2. 556 views
You add 12.5 mL of 4.15 acetic acid to 25.0 mL of 1.00 M NaOH. Calculate the hydronium ion concentration and pH of the resulting
1. 0 answers
2. 501 views
a rectangle has a width of 4 cm less than it's length. if a new rectangle is formed by increasing the width 5 cm and decreasing
1. 1 answer
2. 1,315 views
A father racing his son has one-third the kinetic energy of the son, who has two-fifths the mass of the father. The father
1. 2 answers
2. 1,291 views
A rectangular painting has an area of 720 square inches. It is to be reduced by 1/6 scale factor. What is area of the miniature
1. 2 answers
2. 1,054 views
How do you find the turning point of a quadratic equation? (The Formula)
1. 1 answer
2. 540 views
Among the royalty of the land of Pirnza are Velve, Brint, Draz, Flard, and Sorn.In no particular order, their titles are Queen,
1. 1 answer
2. 425 views
An Atwood machine consists of two masses (m1 = 175 grams, m2 = 485 grams) connected by a string over a frictionless pulley. The
1. 0 answers
2. 594 views
A single die is rolled once. What are the odds against rolling a prime number?
1. 1 answer
2. 549 views
Raising the temperature of a sample of water will typically(decrease/increase) the solubility of (all/some) dissolved gases.Is
1. 3 answers
2. 634 views
A 1200 kg elevator is attatched to a cable whose tension is 11700 n. What is the magnitude of the elevator's acceleration?What
1. 0 answers
2. 695 views
Calculate the torque about the front support of a diving board, exerted by a 70 kg person 3.0 m from that support. (Take the
1. 2 answers
2. 1,066 views
Write one paragraph explaining the key differences between the four types of writing (summary, analysis, synthesis, and
1. 1 answer
2. 651 views
A train traveling at a constant speed rounds a curve of radius 250 m. A chandelier suspended from the ceiling swings out to an
1. 1 answer
2. 831 views
simplify: 2^x X 2^y +2^x X 2^y + 2^x X 2^y + 2^x X 2^y
1. 1 answer
2. 272 views
If $8,500 is invested at 6% compounded continuously, how long will it take to double the investment?How long will it take the
1. 1 answer
2. 614 views
If $8,500 is invested at 6% compounded continuously, how long will it take to double the investment?
1. 1 answer
2. 835 views
What is the amount of CO2 added to the earth's atmosphere each year from fossil fuels?
1. 1 answer
2. 684 views
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the
1. 2 answers
2. 669 views
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the
1. 2 answers
2. 692 views
Misty uses 3/4 of a bag of noodles when she makes a cartain casserole. What is the greatest number of casseroles she can make
1. 1 answer
2. 428 views
Tina and her sister evenly split a $10 lottery winning. If tina promised to giver her brother 1/4 of her share what fraction of
1. 1 answer
2. 467 views
Tina and her sister evenly split a $10 lottery winning. If tina promised to give her brother 1/4 Of her share, what fraction of
1. 1 answer
2. 582 views
Laura takes a random survey of the students in her school. Of the 48 students asked, 16 plans to go to the football game. There
1. 1 answer
2. 598 views
Bob wants to buy cards with $20. Each card cost between $1.80 and $2.25. What is the maximum number of cards he can buy?
1. 2 answers
2. 453 views
Which statement is true about all prisms?A. Prisms have a pair of opposite faces B. The faces of a prism are congruent C. Prims
1. 1 answer
2. 647 views
Meka plans to bake a large circular cookies for her brothers. She wants to decorate the outer edge of the cookie small pieces of
1. 1 answer
2. 1,027 views
Meka plans to bake a large circular cookies for her brothers. She wants to decorate the outer edge of the cookie small pieces of
1. 0 answers
2. 432 views
The width of a single cour is 3/4 of the width of the double court. Double court which is the base= 36 feet and the height= 78
1. 0 answers
2. 377 views
Jan.1Beginning Inventory..300 units @ $3.00 Mar.5 Purchase..........… 900 units @ $4.00 Sept.3 Purchase...........… 1,000
1. 0 answers
2. 563 views
At noon, ship A is 100 Kilometers due east of ship B, Ship A is sailing west at 12 k/h, and ship B is sailing S10degrees west at
1. 0 answers
2. 826 views
At noon, ship A is 100 Kilometers due east of ship B, Ship A is sailing west at 12 k/h, and ship B is sailing S10degrees west at
1. 0 answers
2. 488 views
At noon, ship A is 100 Kilometers due east of ship B, Ship A is sailing west at 12 k/h, and ship B is sailing S10degrees west at
1. 4 answers
2. 995 views
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts
1. 1 answer
2. 1,550 views
Which government bodies influence national fiscal policies that potentially affect the housing market?
1. 1 answer
2. 494 views
Explain how 8 ten thousand can be equal to 80,000.
1. 4 answers
2. 476 views
A simple pendulum is made by attaching a small cup of sand with a hole in the bottom of a 1.2 m long string. The pendulum is
1. 0 answers
2. 569 views
A certain car is capable of accelerating at a rate of +0.60 m/s2. How long does it take for this car to go from a speed of 20
1. 1 answer
2. 1,193 views
A chain composed of four identical links is suspended by a rope and does not move. What are the forces on each chain? (include
1. 0 answers
2. 632 views
value of $25000.00 compounded semi annually at 7% for 5 years
1. 2 answers
2. 514 views
Find the equation of the tangent to the graph y=f'(x) at x=3 where f(x)=x^4So I did : f'(x)=4x^3 y-81=4x^3(x-3) y=4x^4-12x+81 ??
1. 5 answers
2. 300 views
According to Ohm's law, the voltage V, current I, and resistance R in a circuit are related by the equation V=IR, where the
1. 0 answers
2. 926 views
(x)/(x-8)= (x-7)/(x+3)how do u solve this for x?
1. 1 answer
2. 274 views
Due to the screening effect, the 3s electrons of magnesium (Mg) feel an effective nuclear charge (Zeff) of:1. +1 2. +2 3. −2
1. 3 answers
2. 6,639 views
Are the following true or false?1. The difference of two natural numbers is always a natural number. 2. The sum of two natural
1. 2 answers
2. 6,860 views
8.4cm = m1333.8g=kg 119cm=mm 2391mL=L 3.22Mm=km 4.68fs=ps 8.86*10^11=Gm 1.57*10^-10m=picometers 381cm=in 94mm=in 5.0L=q
1. 1 answer
2. 353 views
What is the name given to the types of organisms that exclusively use aerobic cellular respiration to break down glucuse to
1. 2 answers
2. 606 views
need help in identifying the y intercept for 2y+5=-2. my ordered pairs are (0,4) and (6,-2). I am visually impaired when it come
1. 0 answers
2. 443 views
Charge A and charge B are 2.00 m apart, and charge A is +3.90 C and charge B is +4.00 C. Charge C is located between them at a
1. 2 answers
2. 1,170 views
Why did president hoover's emphasis on voluntarism fail to resolve the problems of the great depression of the united states?
1. 3 answers
2. 929 views
f(x) = (x - 3)2, with domain [3, ∞)What is the range of function f?
1. 0 answers
2. 348 views
If f(x) = - 2x2 + 2x - 3, what is f(5)?
1. 3 answers
2. 2,241 views
The radius of a large pizza is two times plus 3 inches larger than a small pizza. The area of the small pizza is 33 square
1. 2 answers
2. 573 views
The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68,
1. 1 answer
2. 826 views
Is 50.0mL of 1.0 MHF and 50.0 mL of 1.0M NaOH a buffer solution with a pH of 3?
1. 2 answers
2. 478 views
What is the pH when 0.40 g of NaOH is added to 50,0 mL of 0.10 M HCOOH? No volume change. (Ka for HCOOH - 1.8 x 10^-4.)
1. 1 answer
2. 935 views
Hanson Corp uses a process costing system. Materials are added at the start of the process. Beginning inventory for January
1. 1 answer
2. 1,148 views
I need help on finding the definitions to these:Pressure being constant, the amount of heat in a chemical equation ___________.
1. 2 answers
2. 651 views
Determine the convergence or divergence:An=(-1)^n(n/(n+1))
1. 2 answers
2. 401 views
Evalute: -1/3+2/3(1/2-1/3)what are the steps involved with this problem? thanks
1. 1 answer
2. 425 views
Wheeler Corporation is planning to expand its business and needs $30,000,000. The company believes that a 12-year term loan can
1. 0 answers
2. 862 views
a 200 L electric water heater uses 15 kW of electric power. If the herter is 90% efficient, how long does it take to heat the
1. 1 answer
2. 1,125 views
Explain why the scratch arithmetic algorithm works.
1. 0 answers
2. 1,146 views
Explain whether the set (0,1,2) is closed with respect to additon on whole numbers
1. 1 answer
2. 411 views
Need help ASAP for this one, really hard.to Assignment 11Problem 13.26 Tuning Forks in Neurology Tuning forks are used in the
1. 1 answer
2. 2,532 views
The temperature of a cup of Starbucks coffee at time t (in minutes) is T(t)= 70 + c e^(-kt) . Initially, the temperature of the
1. 2 answers
2. 1,311 views
When land ice on Antarctica melts and flows into the sea, eventually it circulates and therefore distributes uniformly over the
1. 0 answers
2. 471 views
You are a passenger on a jetliner that is flying at a constant velocity. You get up from you seat and walk toward the front of
1. 0 answers
2. 683 views
A baseball player hits a home run that just barely clears the 12m high fence in right field, 94m from home plate. If the ball
1. 2 answers
2. 727 views
A soccer player kicks a ball from the ground into the goal, which is located 17 meters away on the level playing field. The ball
1. 1 answer
2. 1,249 views
A projectile is launched with an initial velocity of 268 m/s, at an angle of 45 degrees above the horizontal. At a certain
1. 1 answer
2. 1,073 views
A baseball player hits a home run that just barely clears the 12m high fence in right field, 94m from home plate. If the ball
1. 0 answers
2. 674 views
You lose your footing and slide of of your roof. Fortunately, you have placed a safety net whose center is positioned at a
1. 0 answers
2. 1,160 views
You're lying on a beach. Some distance away, across level ground, is a tall coconut palm. As you watch, a monkey in that tree
1. 1 answer
2. 534 views
Two persons start at the same place and walk around a circular lake in opposite directions. One has an angular speed of (1.40 x
1. 1 answer
2. 542 views

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