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Questions (86)

A refrigerator has a coefficient of performance of 4.0. When removing 2.4x10^4 J from inside the refrigerator, how much energy
1. 4 answers
2. 5,483 views
Find a positive number such that the sum of the square of the number and its reciprocal is a minimum.
1. 4 answers
2. 3,101 views
I need to know how to compare mouthwash and toothpaste...what to compare?..compare bacteria samples in salaiva.
1. 1 answer
2. 422 views
How did Mendel’s approach to answering scientific questions differ from that of his contemporaries?Thank you for using the
1. 2 answers
2. 540 views
The sales representative informs you that there are two floor plans available, and that there are a total of 56 houses
1. 1 answer
2. 423 views
SUPPOSE YOU BUY 1 TICKET FOR $1 OUT OF A LOTTERY OF 3000 TICKETS. IF THE PRIZE FOR THE ONE WINNING TICKET IS TO BE $500, WHAT
1. 2 answers
2. 633 views
Derm Travel Agency accepted a four-month, 9% interest rate, 52.000 note fromone otits customers on May 1, 2008. The entire
1. 1 answer
2. 417 views
5x-3y=114x-7y=18
1. 1 answer
2. 314 views
which of the following statement are true for all electric cells?I. electrons flow from the anode to the cathode II. reduction
1. 2 answers
2. 543 views
Consider this equilibriumN2(g) + H2(g) <==> NH3(g) +94 kJ The equilibrium law exoression for the balanced chemical equationwould
1. 3 answers
2. 1,235 views
For a class C corporation in Louisiana, the amount of state income tax S is deductible on the federal return and the amount of
1. 1 answer
2. 502 views
A refrigerator does 18kJ of work while moving 115 kJ of thermal enegy from inside the refrigerator. What is its coefficient of
1. 2 answers
2. 1,282 views
How do I add time?If a person worked 4 1/2 hours on Monday, 4 1/2 hours on Tuesday and 2 hours on Wednesday, does that add up to
1. 3 answers
2. 534 views
You throw a bowling ball o� the empire state building(381m high) 10m/s down-ward. How long does it take to get to the bottom?
1. 1 answer
2. 392 views
Franky claims he has a mass of 65kg. He is sitting on a spherical bouy that�oats just barely submerged under water. When he gets
1. 1 answer
2. 785 views
David's clock ticks once for every two of Phil's clock ticks. How fast is Philmoving by David?
1. 1 answer
2. 387 views
In attempting to jump up a waterfall, a salmon leaves the water 2.0 m from the base of the waterfall. With what minimum speed
1. 3 answers
2. 1,059 views
Studying for a test, and saw this:Find the center of mass of the hemisphere x^2 + y^2 + z^2 = a^2; z>=0 if it has constant
1. 1 answer
2. 329 views
Evaluate the surface integral.the double integral of (x^2 + y^2 + z^2)dS over Region S. S is the part of the cylinder that lies
1. 2 answers
2. 713 views
Compute all possible values ofe^i
1. 1 answer
2. 324 views
2x√3x*2√xi was wondering how to simplify this
1. 1 answer
2. 464 views
2x(√3x^2)*2√xhow would you simplify this?
1. 1 answer
2. 266 views
A rectangular piece of paper with perimeter100 cm is to be rolled to form a cylindrical tube. Find the dimensions of the paper
1. 4 answers
2. 3,054 views
There are 50 apple trees in an orchard, and each tree produces an average of 200 apples each year. For each additional tree
1. 6 answers
2. 4,270 views
For an outdoor concert, a ticket price of $30 typically attracts 5000 people. For each $1 increase in the ticket price, 100
1. 5 answers
2. 2,167 views
How would you do this question:A student dissolved 5.0 g of vitamin C in 250 mL of water. The molar mass of ascorbic acid is 176
1. 2 answers
2. 932 views
i need help solving thisBenzoic acid is a weak, monoprotic acid (Ka = 6.3 × 10−5). Calculate the pH and the percent
1. 4 answers
2. 1,273 views
a football player attempts a field goal from a distance of 52 yards. The ball reaches a maxium height of 9 yrds and lands 8
1. 1 answer
2. 496 views
Calculate the amount of heat absorbed when 58 g of steam at 117◦C are completely converted to ice at −32.5◦C.Specific
1. 3 answers
2. 755 views
The Ksp of Ni(CN)2 is 3.0 × 10−23. What isthe molar solubility of Ni(CN)2 in a 0.065 M KCN solution? Answer in units of
1. 4 answers
2. 1,623 views
Linda has $9000 to invest. She invested x dollars in an account that earned 3% simple interest and the remainder of the money in
1. 2 answers
2. 781 views
From 1990-1994 the mail order sales of health products can be modeled by S= 10t^3+115t^2+25t+2505 where S is the sales (in
1. 1 answer
2. 491 views
Please check my answers?Letter of Recommendation Mary O'Dell PLTW Program Willow High School 1400 Old Tamah Road Irmo, SC 29067
1. 6 answers
2. 1,599 views
Calculate ΔHrxn for the following reaction:C(s)+H2O(g)→CO(g)+H2(g) Use the following reactions and given ΔH values:
1. 3 answers
2. 1,195 views
water flows over a dam at a rate of 500 gallons per minute write a function rule relating the amount of water a that flow over
1. 2 answers
2. 952 views
110 student went to the lake for a boat ride. there were 8 both (each would safely hold the same number of student), and all but
1. 2 answers
2. 480 views
Tim tracked the change in outside temperature one afternoon. He recorded a temp of 85.4 f at noon. The Temperature then rose
1. 7 answers
2. 1,496 views
A space station that does not rotate cannot simulate gravity for its occupants.A)True B)False From within a rotating reference
1. 2 answers
2. 584 views
A 20-inch pizza is cut into 9 equally sized pieces. How many radians does each slice represent? What is the 'sector area' of
1. 1 answer
2. 452 views
Find the linear approximation of the function.g(x) = ^3sqrt(1 + x) at a = 0. g(x)≈ Use to approximate these numbers (round to
1. 4 answers
2. 1,854 views
Certainly she'll I commas are needed in the following sentence
1. 6 answers
2. 298 views
Find the periodic payment R required to amortize a loan of P dollars over t yr with interest charged at the rate of r%/year
1. 1 answer
2. 292 views
Please help meA government meets to discuss policies about controlling pollution. Which is the most appropriate type of
1. 1 answer
2. 98 views
Madeline bought a hybrid car that averages 46 miles per gallon. How much gas will she need for a 350-mile trip?What equation
1. 1 answer
2. 73 views
How has the interpretation of equality for American women changed over time? (1 point)The Constitution has been amended to
1. 1 answer
2. 48 views
If the Supreme Court heard a case about African Americans being denied the right to vote, what would the justices use to
1. 1 answer
2. 45 views
Which statement about interest groups is true? (1 point)Interest groups are funded by the House of Representatives. Interest
1. 1 answer
2. 55 views
Which of the following is an example of an affirmative action policy? (1 point)building wheelchair ramps on all public buildings
1. 1 answer
2. 43 views
Write me a very short book review on the book called, Amari And The Night Brothers.
1. 1 answer
2. 24 views
Can you write me a argument essay about dress codes?
1. 1 answer
2. 8 views
Can you make me a argument essay with 3 body paragraphs and 2 pieces of evidence per body paragraph?
1. 1 answer
2. 18 views
Can you make me a argument essay about dress code are bad with 3 body paragraphs and 2 pieces of evidence per body paragraph?
1. 1 answer
2. 17 views
can you show me a picture of dollar bills
1. 1 answer
2. 10 views
where can i find a ai that generates pictures
1. 1 answer
2. 9 views
In "Mending Wall," the speaker does not see the necessity of the wall. What does the speak do that could be considered ironic?He
1. 1 answer
2. 24 views
By titling his story "Babylon Revisited," Fitzgerald is metaphorically comparing which two things?(1 point)an ancient city of
1. 1 answer
2. 26 views
Analyze the following functions. Which function has relative extrema? (1 point) f(x)=sin (x-3)+5f(x)=sqrt(50x) f(x)=4x-6.7
1. 1 answer
2. 19 views
Given a sequence of data in context where the outputs are constantly increasing but the rate of growth is decreasing, which of
1. 1 answer
2. 17 views
Juan makes $20 an hour at his job. He creates an equation to predict how much money he will make based on how many hours he
1. 1 answer
2. 19 views
In Yellowstone National Park, Old Faithful is a geyser that is named because of its consistency. It faithfully erupts on average
1. 1 answer
2. 15 views
The function y = 128 - 8x models the amount of water, in ounces, left in Tariq's water jug after pouring x servings of water.Whi
1. 1 answer
2. 13 views
A teacher notices a correlation between students' scores on homewor as their scores on corresponding quizzes. The line of best
1. 1 answer
2. 26 views
A bank uses an automated function in which a customer's accounts will lock if they owe more than $100. Consider an equation
1. 1 answer
2. 17 views
What sort of information is shown on this geographic representation that would make it useful for navigation?Definition- the act
1. 1 answer
2. 17 views
Which field of geography would be involved in using satellite imagery to look for concentrations of artificial lights on
1. 1 answer
2. 10 views
Why would a geographer choose a Robinson projection for a reference map in a textbook?Robinson projection- a compromise of
1. 1 answer
2. 15 views
True or falseA formal region is an area on Earth's surface defined by relatively unchanging cultural or physical traits, often
1. 1 answer
2. 14 views
Which example best describes a functional region?Definition- An area on Earth’s surface defined by one or more linkages and
1. 1 answer
2. 10 views
Do you call carbonated beverages Coke, soda, or pop?People have different terms for it depending on where they are in the U.S
1. 1 answer
2. 12 views
What statement best explains why growing food crops had an advantage over people hunting and gathering?A) Humans preferred
1. 1 answer
2. 20 views
How do geographic information systems (GIS) benefit farmers? Pick 2!2 points make land suitable for hunting & gathering gives
1. 1 answer
2. 15 views
The Aral Sea is drastically smaller due to which practice?2 points deforestation water diversion slash and burn agriculture
1. 1 answer
2. 17 views
Increased light pollution, increased fossil fuel use, and depletion of groundwater are associated withacid rain urban sprawl
1. 1 answer
2. 13 views
Increased light pollution, increased fossil fuel use, and depletion of groundwater are associated withA) acid rain B) urban
1. 1 answer
2. 12 views
How can economic issues contribute to conflict between countries regarding resource use?"Even though coal generates more
1. 1 answer
2. 7 views
How can economic issues contribute to conflict between countries regarding resource use?"Even though coal generates more
1. 1 answer
2. 8 views
Why has sustainable development become a priority for many industrialized countries?A) The negative effects of fossil fuels on
1. 1 answer
2. 17 views
What is one of the ways technology has had negative impacts on the physical environment?A) Hydroelectric power plants create
1. 1 answer
2. 15 views
Which of the following is an accurate statement about planet Earth?1 point Planet Earth is not greatly affected by humans.
1. 1 answer
2. 23 views
How is biodiversity and organism success related to tropical rainforests?A) The tropical rainforest biome is the least
1. 1 answer
2. 14 views
In 2+ sentences explain how access to natural resources can lead to conflict between two or more countries."Southwest Asia,
1. 1 answer
2. 13 views
How has technology impacted the Earth's physical environment? Provide at least one example of a specific technology and detail
1. 1 answer
2. 16 views
the surface area of the larger cube is how many times the surface area of a smaller cube
1. 3 answers
2. 5 views
how much wrapping paper is needed for a package that is 4 in. wide 7. in high and 15. in long?
1. 5 answers
2. 5 views
The coordinates (9,−2) , (12,−5) , and (5,−7) were plotted on a coordinate plane, and a polygon was drawn. Is the polygon
1. 1 answer
2. 6 views
Here are the science test scores from Ms. O’Donnell’s class:55, 60, 70, 70, 75, 75, 75, 80, 80, 85, 85, 85, 85, 90, 90, 95,
1. 5 answers
2. 5 views

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