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Chemistry
High School
During the process of making hydrogen fuel, what are the byproducts? Are they harmful to humans or the environment?
Mathematics
College
aSuppose you want to buy a new car that costs $32,600. You have no cash-only your old car, which is worth $5000 as a trade-in. The dealer says theinterest rate is 5% add-on for 4 years. Find the monthly paymentThe monthly payment is $(Type an integer or decimal rounded to the nearest cent as needed.)
Mathematics
College
Find the mode of each set of data.21, 12, 12, 30, 36, 34, 40, 22
Advanced Placement (AP)
High School
The van der wahls equation for one mole of a real gas is as follows. (P+a/v^2)(v-b)=RT for any given gas the values Of the constants a and b can be determined experimentally. (A) Indicate which physical properties of a molecule determine the magnitudes of each constant(B) Which of the 2 miles H2 an H2 S has a higher value for a and which has a higher value for B explain(C) One of the constants can be correlated with the boiling point of substance specify which constant and how it is related to the boiling point
Mathematics
College
In the diagram of ABCD shown below, 'BA is drawn from vertex B to point A on DC, such that BC & BA.a.b.What kind of triangle is AABD? Explain.hat kind of triangle is ADBC? Explain.
Biology
College
Compared to the climate at location A, the climate at location D isA) cooler and drierB) cooler and wetterC) warmer and drierD) warmer and wetter
Mathematics
High School
Salma runs 6 miles in 55 minutes. At the same rate, how many miles would she run in 44 minutes?
Mathematics
College
Four gallons of gasoline cost $17.56. What is the price per gallon?
Chemistry
College
if you have 3.2 moles of copper how many moles of sodium iodide are required Nal+Cu=Cul2+Na
Physics
High School
A 200-kg roller coaster car starts at rest on top of a 110-m tall hill. If it loses 14,000 J of energy to friction and heat going down the hill, how much kinetic energy does the car have at the bottomof the hill?
Chemistry
College
A sample of 63.6 grams of copper completely reacted with oxygen to form 71.6 grams of a copper oxide product. How many grams of oxygen must have reacted?
English
High School
In which direction does the force of gravity pull the person?
Biology
High School
In considering the cross YyRr x YyRr, the phenotype ratios of the F2 generation will be _____.
Physics
College
A phonograph record has an initial angular speed of 33 rev/min . The record slows to 11 rev/min in 2.0 seconds. What is the records angular acceleration in rad/s2 during this time interval ?
Mathematics
College
True or false: if the determinant is 0, then the system has no solution?
Mathematics
College
Use the standard deviation values of the two samples to find the standard deviation of the sample mean differences.Sample Standard Deviationred box 3.868blue box 2.933
History
College
The Thirty Years War was one of the largest uses of mercenary armies in European history, and in its wake, many European countries began to develop their own standing armies. Which of the following was a consequence of the use of mercenaries during the Thirty Years War?
Mathematics
College
The prices of cell phone cases in a store are normally distributed.The mean of the prices is $22.90,and the standard deviation is $4.90.If you want to look at the bottom 45% of cases in terms of price,what is the cutoff price so that 45% of all cases are priced below that amount?
Mathematics
High School
x+2x for x=-3 please hurry
Mathematics
College
I need help with this question please (just question 10, not the one below)
History
High School
Many of the elements of the government of the roman republic were adapted by the founding fathers and are still used in democratic governments today including?
Mathematics
College
Write a formula for the function obtained when the graph is shifted as described. When typing exponents use the carrot key ^ by pressing SHIFT and 6. For example x squared can be typed as x^2. Do not put spaces between your characters and remember to use parentheses in the appropriate places!f(x)=x^3 is shifted up 3 unit and to the left 7 units.The new equations f(x)=Answer
Chemistry
High School
A certain polyatomic ion contains 49 protons and 50 electrons. What's the net charge of this ion?Question options:A) +1B) +2C) 1D) 2
History
High School
Too much logging in the Oyamel fir forests could lead to the eastern monarch butterfly going extinct because _______.a.the entire population of the species spends winter in Oyamelc.the winters are too cold in Oyamelb.the butterflies breed in the Oyamel fir trees d.the butterflies feed on the Oyamel fir trees
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