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When you look up the atomic masses of Si and Sn and then find the average and then look up the atomic mass of Ge, what is
1. 3 answers
2. 607 views
I need help describing some periodic trends in the periodic table
1. 1 answer
2. 513 views
why do elements within a group have similar chemical properties?
1. 1 answer
2. 1,652 views
What does the study of the periodic table have to do with classification and prediction?
1. 1 answer
2. 621 views
when performing an experiment using potassium chlorate and heating it to form potassium chloride what reasons can you offer for
1. 2 answers
2. 1,045 views
why is the law of definite composition important?
1. 1 answer
2. 455 views
how could you determine whether all the potassium chlorate had been decomposed after heating it using the law of definite
1. 1 answer
2. 1,015 views
A bat flying in a cave sends out a sound wave to navigate. If the cave temperature is 10.8 C, and the sound the bats sends out
1. 0 answers
2. 552 views
If you are standing on the edge of a canyon and yell into the canyon, how long will it take the echo to return to you if the
1. 0 answers
2. 979 views
What is the fundamental frequency for tube resonating in water if the speed of sound was 343.5 and the tube was 0.274 m out of
1. 0 answers
2. 452 views
calculate the number of atoms in 31.5g of cadmium
1. 1 answer
2. 383 views
which of the 3 branches of the federal US government does the federal reserve and the census bureau fall under??????please
1. 1 answer
2. 1,033 views
which of the 3 branches of the federal US government does the federal reserve and the census bureau fall under??????please
1. 1 answer
2. 523 views
I am trying to understand the following 3 concepts:Popular Sovereignty Separation of powers (and the 3 branches of gov) Checks
1. 1 answer
2. 622 views
I am trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost.I think "to Where it bent in the
1. 1 answer
2. 634 views
I have absolutely no idea about this, but I am doing a crossword puzzle for music, and I don't know what #1 across is. The clue
1. 1 answer
2. 691 views
A 3.60 kg ball is dropped from the roof of a building 184.8 m high. While the ball is falling to earth, a horizontal wind exerts
1. 1 answer
2. 1,235 views
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right
1. 1 answer
2. 873 views
Air is being pumped into a spherical balloon so that its volume increases at a rate of 80cm^3/s. How fast is the surface area of
1. 3 answers
2. 1,487 views
When air expands adiabatically (without gaining or losing heat), its pressure and volume are related by the equation PV^1,4=C
1. 3 answers
2. 717 views
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 23
1. 1 answer
2. 1,026 views
fill in the missing signs to make the sum correct...........8 ? 4 ? 4=9
1. 1 answer
2. 441 views
another conversion question:876.045 mm = _______________m thanks so much!
1. 2 answers
2. 327 views
please help with this conversion:17cm(cubed)=____ml
1. 2 answers
2. 460 views
V = x(16-2x)(19-2x) = 175 ft³Ok, thanks. Now I'm trying to multiply out and having some difficulty. I am getting
1. 2 answers
2. 657 views
square root of 3x-4 = (x-4)^2-3Normally, I either take the square root of both sides or I square both sides. Since there is a
1. 1 answer
2. 463 views
I have a multiple choice question I don't know how to do, please help. I was thinking d).Structural resources of a frim include
1. 1 answer
2. 464 views
What is the difference between infringing use and non-infringing use?
1. 2 answers
2. 471 views
What different kinds of opinions do Justices of the Supreme Court write?
1. 0 answers
2. 418 views
What is 4x+12=20
1. 2 answers
2. 778 views
Where can i find real company case studies?
1. 0 answers
2. 502 views
xy=2{{x^2=3+y^2}}
1. 2 answers
2. 341 views
All the even numbers from 2 to 98 inclusive, except those ending in0, are multiplied together. What is the rightmost digit, that
1. 2 answers
2. 641 views
The positive integer 4 can be represented as a sum of 1's or 2's infive ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways
1. 2 answers
2. 495 views
What is the sum of all possible digits that could fill in the blankin 47_021 so that the resulting five digit number is
1. 3 answers
2. 1,238 views
What is the sum of all two digit positive integers whose squaresend with the digits 01?
1. 1 answer
2. 1,129 views
If a is 50% larger than c and b is 25% larger than c, then a iswhat percent larger than b? (a) 20% (b) 25% (c) 50% (d) 100% (e)
1. 2 answers
2. 538 views
A volleyball is spiked downward at a 55 degree angle gom the vertical net.If the ball is traveling at 22m/s, what are its
1. 1 answer
2. 494 views
A snail crawls up a bent piece of grass at 2cm/s. If the grass makes a 75 degree angle to the ground,what are the horizontal and
1. 1 answer
2. 396 views
Suppose that a, b, and c are digits for which the number708,16b,8c9 is a multiple of 99. Find a+b+c.
1. 3 answers
2. 424 views
Digit d is randomly selected from the set {1, 2, 3, 4, 5, 6, 7, 8,9}. Without replacement of d, another digit, e is selected.
1. 1 answer
2. 557 views
If a person's average speed for a 10.00 kilometer race is 5.644 meters per second, what was her winning time?
1. 1 answer
2. 482 views
(-2) and -2^2.Why are the answers different?
1. 1 answer
2. 405 views
A girl makes a sample of a new material and says that the density of the material is 0.85 g/cm. Can you tell how large a sample
1. 1 answer
2. 481 views
Can you please check my work?Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for
1. 1 answer
2. 814 views
Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function. Please
1. 0 answers
2. 736 views
Use Decartes Rule of signs to determine the possible number of postive and negative real zeros for the given function.1.
1. 0 answers
2. 750 views
Could you explain to me decartes Rule of signs?Here are my questions: Use Decartes Rule of signs to determine the possible
1. 1 answer
2. 914 views
In France each unit of labour can produce 3 bottles of wine or 2 shirts. In Portugal each unit of labour can produce 2 bottles
1. 0 answers
2. 1,091 views
A company has revenues of 100 per unit sold. Current sales are 7500 units. Labor rates are 15 per hour. It takes 1.2 hours of
1. 0 answers
2. 1,190 views
�ç e^�ãx / �ãx dxYour symbols are not legible. Please retype using normal keyboard characters Integration of e^radicalx /
1. 0 answers
2. 494 views
�ç 2x^3 + 3x^2 + x + 1 dx--------------------- -2x + 1 [2x^3 + 3x^2 + x + 1]/(-2x + 1) = ax^2 + bx + c + d/(-2x + 1) ---->
1. 0 answers
2. 582 views
Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and
1. 25 answers
2. 2,757 views
I missed a few days and I forgot what the following areIndependent Variable Dependent Variable Control and the order of
1. 0 answers
2. 1,144 views

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