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Questions (116)

when dissolved in water an acid or a base breaks down into
1. 12 answers
2. 4,626 views
Find the maximum revenue for the revenue functionR(x) = 359x − 0.6x2. (Round your answer to the nearest cent.) R = $
1. 1 answer
2. 1,211 views
If, in a monopoly market, the demand function for a product isp = 140 − 0.80x and the revenue function is R = px, where x is
1. 2 answers
2. 2,240 views
The profit function for a certain commodity isP(x) = 150x − x2 − 1000. Find the level of production that yields maximum
1. 1 answer
2. 890 views
If the supply and demand functions for a commodity are given byp − q = 10 and q(2p − 10) = 2100, what is the equilibrium
1. 1 answer
2. 1,012 views
Suppose a company has fixed costs of $38,400 and variable cost per unit of1 3 x + 222 dollars, where x is the total number of
1. 1 answer
2. 851 views
Use the following lines to answer the question.line g: y=−4/5x+7/5 line h: y=5/4x+3/4 Is line g perpendicular to line h? Why
1. 5 answers
2. 684 views
PLEASE HELP I AM ON A GEO EXAM.Line f has a slope of −6/3, and line g has a slope of −8/4. What can be determined about
1. 11 answers
2. 1,456 views
Read the scenario.Scientists have created an exact scale replica of a rover currently found on Mars and a miniature 3D landscape
1. 3 answers
2. 2,006 views
Consider the situation.Scientists discovered a sedimentary layer of earth with high amounts of the element iridium. This layer
1. 1 answer
2. 1,020 views
Find point Z that partitions the directed line segment XY in the ratio of 5:3 where X(-2, 6) and Y(-10, -2).Its by using the
1. 2 answers
2. 1,599 views
Which options correctly identify a feature of a scientific report that would suggest the report reflects scientific thinking?(Se
1. 4 answers
2. 1,833 views
Evaluate the derivatives by implicit differentiation. Assume all letters represent constants, except for the independent and
1. 4 answers
2. 799 views
Find the linear approximation of 𝑓(𝑥)=√(𝑎+𝑏𝑥) at 𝑥=0 . (Here 𝑎 and 𝑏 are constants; assume 𝑎>0 .)
1. 1 answer
2. 470 views
Suppose in January, 𝑡=1 , a lake is covered by 2 square meters of algae. Every month, the area covered by algae doubles.
1. 2 answers
2. 1,117 views
The derivative of an inverse:Suppose that 𝑔=𝑓^−1 (f inverse) . If 𝑔(3)=2 , what is 𝑔′(3) ? Express your answer
1. 2 answers
2. 551 views
A. In a circuit with resistance 10 ohms, power 𝑃 (measured in watts) is equal to 10𝐼^2 , where 𝐼 is the current
1. 3 answers
2. 896 views
In a circuit with resistance 10 ohms, power 𝑃 (measured in watts) is equal to 10𝐼2 , where 𝐼 is the current measured in
1. 1 answer
2. 1,112 views
For the following function, find the values of the constants 𝑎 and 𝑏 for which the function is continuous, but not
1. 1 answer
2. 974 views
Find the values of the constants 𝑎, 𝑏 and 𝑐 for which the following function is differentiable. (Give 𝑎 and 𝑏 in
1. 1 answer
2. 736 views
A test tube is knocked off a tower at the top of a building that is 400 feet above the ground. (For our purposes, we will assume
1. 3 answers
2. 2,208 views
Consider four masses arranged (clockwise from A at the top) in a cross (looks like a giant plus symbol). Each is 1cm from the
1. 1 answer
2. 801 views
Consider four masses arranged (clockwise from A at the top) in a cross (looks like a giant plus symbol). Each is 1cm from the
1. 4 answers
2. 582 views
I'm having trouble getting through these types of problems:Can someone tell me how to approach this? The point (8, -4) is on the
1. 3 answers
2. 522 views
A hippo has a mass of 6000kg. When standing on 4 feet, how much pressure is exerted on the ground? Assume each foot has an area
1. 1 answer
2. 440 views
What is the time constant of a 10 H inductor and a 200 ohm resistor connected in series? Is my work correct? I did: T= L/R = 10
1. 1 answer
2. 3,174 views
a tuxedo rental shop rents tuxedos with sleeve lengths from 20 inches to 40 inches. The shop says the length of the sleeves
1. 3 answers
2. 2,775 views
a number is more than 12 units from 0
1. 3 answers
2. 1,966 views
Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.0 km/s to −19.4 km/s
1. 2 answers
2. 4,618 views
A truck has wheels of diameter 0.9m, a weight of 8000kg, a wheel-base of 4m, and a tray heightof approximately 1.2m. The
1. 0 answers
2. 680 views
Type a short character sketch of a fictional Puritan named Justice Johnson based on what you have learned about the Puritans.
1. 2 answers
2. 488 views
An investment initially worth $5300 earns 7.7% annual interest, and an investment initially worth $8000 earns 5.6% annual
1. 2 answers
2. 1,201 views
Calculate the value of the standard enthalpy change for each of the following reactions (standard enthalpy for Na2SO4(s) is
1. 2 answers
2. 550 views
Using standard enthalpies information, calculate the standard enthalpy change for this reaction:a) (thermite reaction) 2Al(s) +
1. 1 answer
2. 973 views
Given the Data:N2(g) + O2g) = 2NO(g) delta H = 180.7kj, 2NO(g) + O2(g) = 2NO2(g) delta H = 0113.1kj, 2N2O(g) = 1N2(g) + O2(g)
1. 1 answer
2. 2,109 views
A cylinder of gas contains 96.0 g of oxygen gas, O2. If the volume of the cylinder is 9.00 liter and at 25.0 degrees C. What is
1. 1 answer
2. 1,464 views
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation:
1. 1 answer
2. 1,740 views
1. Nitric acid is produced via the following equation: 3 NO2 + H2O = 2HNO3 + NO. How many grams of NO2 are required to produce
1. 2 answers
2. 1,201 views
Merry go round is push by a 100 kg manRadius is 2 m how much force is exerted. Maximum force in newtons
1. 1 answer
2. 656 views
Using the formulah=-16^2+vt+s Answer the question: A rocket is shot upward off a 25 foot high balcony with an initial velocity
1. 1 answer
2. 1,083 views
22mL of hydrogen was collected over wter at 19C and 745mmHg. What mass of magnesium is reacted (1:1 mole ratio)
1. 1 answer
2. 436 views
Rewrite the following as a perfect square:144b^18
1. 1 answer
2. 1,554 views
an urn contains 40 red chips and sixty white chips. six chips are drawn out and discarded, and a seventh is drawn. what is the
1. 0 answers
2. 917 views
Can a hypotheses be accepted as true after one test?
1. 1 answer
2. 411 views
When a 81.0 kg. person climbs into an 1400 kg. car, the car's springs compress vertically 1.5 cm. What will be the frequency of
1. 1 answer
2. 782 views
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The
1. 1 answer
2. 1,149 views
You have the final sales figures for the four quarters in 2010 for Bennets Used Auto Sales, and you are to design a program that
1. 0 answers
2. 1,045 views
Four ice cubes at exactly 0 degrees Celsius having a total mass of 55.0g are combined with 120g of water at 77 degrees Celsius
1. 1 answer
2. 676 views
A 1.13 × 103 kg car accelerates uniformly from rest to 10.6 m/s in 3.22 s.What is the work done on the car in this time
1. 1 answer
2. 1,728 views
im reading this book called across five aprils. I need another quote from the book to go with my essay. i need a good quote from
1. 0 answers
2. 474 views
A car of mass 1190 kg is on an icy driveway inclined at an angle of 28◦ If the incline is frictionless, what is the
1. 0 answers
2. 548 views
A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right.What is the mass of the ball?
1. 1 answer
2. 523 views
A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right.What is the mass of the ball?
1. 0 answers
2. 358 views
A soccer ball kicked with a force of 14.8 N accelerates at 6 m/s2 to the right.What is the mass of the ball?
1. 1 answer
2. 488 views
The net external force on the propeller of a 3.9 kg model airplane is 6.8 N forward.What is the acceleration of the airplane?
1. 1 answer
2. 967 views
The net external force on the propeller of a 3.9 kg model airplane is 6.8 N forward.What is the acceleration of the airplane?
1. 0 answers
2. 513 views
Find the thetrical formula for .012 mol of H20, .0056 moles of Cl2 and .0060 of copper with a formula like this CuCl*H20*=point
1. 1 answer
2. 418 views
A 28.4288 g sample of impure magnesium car-bonate was heated to complete decomposition according to the equation MgCO3(s) !
1. 1 answer
2. 557 views
I have 3 I don't understand how to do.A 33.2 g of iron ore is treated as follows. The iron in the sample is all converted by a
1. 2 answers
2. 933 views
Suppose J is between H and K. Use the Segment Addition Postulate to solve for x. Then find the length of each segment.HJ=2x+5
1. 5 answers
2. 4,912 views
A plumb bob (a mass m hanging on a string) is deflected from the vertical by an angle θ due to a massive mountain.A) Make an
1. 2 answers
2. 2,060 views
A 14.6-g marble is dropped from rest onto the floor 1.23 m below. If the marble bounces straight upward to a height of 0.665 m,
1. 1 answer
2. 1,268 views
Which represents the type of sequence: 12, 22, 30, 36, 41, …?neither arithmetic nor geometric both arithmetic and geometric
1. 2 answers
2. 822 views
A 73.3 kg man steps out a window and falls (from rest) 1.09 m to a sidewalk. What is his speed just before his feet strike the
1. 1 answer
2. 992 views
A car of mass 907 kg coasts on a level road, starting with an initial speed of 14.2 m/s and coming to rest 15.2 s later. Find
1. 1 answer
2. 630 views
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky)
1. 2 answers
2. 1,867 views
1) Suppose the mass of the NaOH used in a reaction was doubled. What would you expect to happen to the heat given off by the
1. 2 answers
2. 1,550 views
What is the Lewis dot diagram for C2Cl2?
1. 1 answer
2. 1,010 views
Solve the exponential equation for t. Round your answer to three decimal places if necessary.e^(0.08t)=4 Please show work
1. 1 answer
2. 769 views
Differentiatef(x)=(x^(3)-8)^(2/3) Please Show Work
1. 1 answer
2. 377 views
Find The Derivativey = 5x^(2)e^(3x) Please Show Work
1. 3 answers
2. 4,310 views
Find The Derivativey= 9e^(x)/ 2e^(x)+ 1 Please Show Work
1. 1 answer
2. 495 views
Graph f(x) = 4^(x - 1) Please show work
1. 1 answer
2. 439 views
Differentiate.f(x)= -8e^(5x)
1. 1 answer
2. 504 views
What net external force is required to give a 35.7 kg suitcase an acceleration of 2.8 m/s2 to the right?Answer in units of N.
1. 2 answers
2. 540 views
A soccer goal is 24 feet wide. Point A is 40 feet in front of the center of the goal. Point B is 40 feet in front of the right
1. 2 answers
2. 2,626 views
Change the following constructions to an adjetivo posesivo and noun according to the example:Example: la mesa de ella su mesa 1.
1. 2 answers
2. 1,317 views
If you could tell me the right answers, and an explanation why each is right thatd be great! thank you1. A boot verb is
1. 1 answer
2. 700 views
Triangles ABC and PQR are similar with m angle A = m angle P and m angle B = m angle Q. If AB, BC, and AC are 3, 4, and 5 ft
1. 1 answer
2. 603 views
Search: The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.029 kg and is moving
1. 0 answers
2. 558 views
I have to compare and constrast the funeral orations of Mark Antony and Marcus Brutus. What I need is a thesis statement for
1. 2 answers
2. 563 views
I have to compare and constrast the funeral orations of Mark Antony and Marcus Brutus. What I need is a thesis statement for
1. 1 answer
2. 1,048 views
Which is correct? You should never believe ( these kind, these kinds ) of stories.Think the correct answer is ( these kinds)
1. 2 answers
2. 928 views
Which is correct? You should never believe ( these kind, these kinds ) of stories.Think the correct answer is ( these kinds)
1. 2 answers
2. 461 views
Ms. Sue, I don't think that is what he wants. He seems to be asking for a particular document.
1. 1 answer
2. 359 views
A buffer solution contains 0.200 M NH3 and 0.250 M NH4Cl. What is the pH of the buffer solution after the addition of 10.0 mL of
1. 0 answers
2. 1,250 views
what is the probabilty of spinning a divisor of 12?
1. 1 answer
2. 499 views
In 2000 1/3 of all births in the US were to unmarried women. IF there were 1,352,938 births to unmarried women then how many
1. 1 answer
2. 363 views
Is Where to? a complete sentence or a fragment?
1. 1 answer
2. 412 views
Need help finding dimensions of a triangular prism. It has a volume of 900 cubic inches. Two of the dimensions are consecutive
1. 1 answer
2. 1,784 views
We have a triangular prism that has the following characteristics. It has a volume of 360 cubic inches. The base of the triangle
1. 1 answer
2. 871 views
A rectangular prism has the following characteristics. It has a volume of 71 cubic inches. The sum of the three lengths is 14.
1. 1 answer
2. 1,300 views
I need to find the dimensions of this rectangular prism. It has a volume of 108 cubic inches. The length and width of the base
1. 1 answer
2. 1,437 views
Why do some people consider Andrew Jackson a tyrant?
1. 0 answers
2. 422 views
the length of a rectangle is 3cm more than twice the width. the perimeter is 84cm. find the lengthPlease show me the steps on
1. 1 answer
2. 454 views
the length of a rectangle is 3cm more than twice the width. the perimeter is 84cm. find the length
1. 1 answer
2. 506 views
how do i factor 8m^2-6mn-9n^2
1. 2 answers
2. 366 views
Suppose fred ethel ricky and lucy have the following demand functions for a public goodQf= 40-1/2p Qe= 20-p Qr= 30-1/2p Ql= 50-p
1. 0 answers
2. 440 views
Increasing what in a plant cell will increase energy production? I was thinking glucose, water, or sunlight. But the thing is we
1. 0 answers
2. 385 views
Suppose Fred and Ethel need to divide 20 pizza slices and 10 cans of beverage. Fred's utility function is given by the equation
1. 1 answer
2. 1,047 views

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