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Nikki

Questions (386)

What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of
1. 3 answers
2. 1,041 views
Billy is standing 80 feet from the base of a building. The angle of elevation to the top of the building is 35 degrees. If the
1. 1 answer
2. 973 views
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of
1. 1 answer
2. 499 views
You are allowed to choose four whole numbers from 1 to 10 (including 1 and10). You can only choose each number once though.
1. 0 answers
2. 566 views
I am a prime number. I am less than 40. I am 1 more than a multiple of 5. What number am I?I am a 2 digit number. My ones digit
1. 2 answers
2. 789 views
i am odd, my digits add to 7, i am a multiple of 5. what number am i?
1. 1 answer
2. 353 views
two forest fire stations,P and Q are 20.0 km apart, A ranger at station Q sees a fire 15.0 km away, if the angle between line PQ
1. 1 answer
2. 1,407 views
state the primary trigonometric ratio associated with angle ap(-2,5)
1. 1 answer
2. 962 views
A 290-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 31° with the horizontal. What is
1. 2 answers
2. 1,418 views
If a quarter circle is placed on a square target and the radius of the quarter circle is the same as the length of a side of the
1. 1 answer
2. 921 views
In order to make 1200mL of 2.0 M of sodium hydroxide, NaOH, from 9M NaOH, how many mL of the 9M NaOH should be used?
1. 2 answers
2. 407 views
How is scientific notation used in our daily lives?
1. 1 answer
2. 388 views
A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left
1. 1 answer
2. 2,195 views
What is the average teen suicide rate in the state of New York, as well as the top five reasons (in order) for teen suicides
1. 1 answer
2. 538 views
Hi. I've tried doing these problems and got long decimals that don't make sense. Please help!!1) 13x + 6=4x-4 2) (1/2)x + 8= 3x
1. 3 answers
2. 494 views
How do I solve these equations? I was out sick a whole week :( please no direct answers. I want to know the process as well.-a=5
1. 2 answers
2. 360 views
If I'm standing on the sun can I still see the phases of the moon
1. 0 answers
2. 336 views
Can you arrange the digits 1-9, into a 1:2 fraction ( example 1/23+4/56+7/89=1) to equal 1? Only using each number once!
1. 0 answers
2. 594 views
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use,
1. 0 answers
2. 669 views
B is the midpoint of AC. FInd BC if AB=3x-4 and AC=58
1. 1 answer
2. 1,112 views
You are riding on a jet ski directed at an angle upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative
1. 0 answers
2. 496 views
Identify the property. X(a-b)= ax- bx
1. 4 answers
2. 1,318 views
A statistics professor gives a test and finds that the scores are normally distributed with a mean of 25 (out of 100) and a
1. 2 answers
2. 1,272 views
1. (TCO 9, 2, 3, 7) You have worked for an electronics company for the past three years. You have been assigned the
1. 0 answers
2. 556 views
2LiOH + CO2 yields Li2CO3 + H2O will the astronauts survive and how much water is made if there is 2.00 kg LiOh and expel 35kg
1. 1 answer
2. 552 views
Once a month a fast food chain offers a special when a coach brings in a team. Buy 5 hamburgers and get one free. This month, a
1. 0 answers
2. 326 views
Once a month a fast food chain offers a special when a coach brings in a team. Buy 5 hamburgers and get one free. This month, a
1. 1 answer
2. 551 views
How many grams of sodium azide are required to produce 31 grams of nitrogen
1. 1 answer
2. 1,086 views
In prior investigations made by a local Gas and Electric Company, 65% of homeowners prefer to heat with gas instead of
1. 0 answers
2. 419 views
If a gas tap is turned on for a few seconds, someone a couple of meters away will hear the gas escaping long before he or she
1. 0 answers
2. 721 views
Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.
1. 1 answer
2. 695 views
Can an electron at rest in a magnetic field be set into motion by the magnetic field? What if it were at rest in an electric
1. 1 answer
2. 1,776 views
A saturated solution of Mg(OH)2 is prepared having a large excess of Mg(OH)2. Sn(NO3)2 is added to the solution. Ksp = 1.9 x
1. 2 answers
2. 1,161 views
What is Final Velocity? I don't understand it at all!!
1. 1 answer
2. 305 views
What volume of a 3.00 M KI stock solution would you use to make 0.270 L of a 1.25 M KI solution?
1. 2 answers
2. 1,112 views
could you please help with these questions? In works like "To Build a Fire," Naturalist writers such as Jack London advocated
1. 6 answers
2. 1,189 views
Consider the function f defined byf(x)= sin x/x, x cannot equal 0 1, x cannot equal 0 a) At what points does the graph cross the
1. 1 answer
2. 491 views
A 13.5 m long wire of mass 173 g is stretched under a tension of 269 N. A pulse is generated at one end, and 16.5 ms later a
1. 1 answer
2. 498 views
Convert: 5.72 kJ to kcal
1. 1 answer
2. 398 views
To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total
1. 0 answers
2. 423 views
The world record for the mile was 4:10 and 3:49 in 1975. Assuming that the record improves in a linear fashion (which it has so
1. 2 answers
2. 778 views
A pH glass/calomel electrode was found to develop a potential of -0.0390 V when used with buffer of pH 5.52. With an unknown
1. 0 answers
2. 403 views
Can someone please please help me understand how to go about solving this? (not really answering it, but actually explaining
1. 1 answer
2. 581 views
A street light is at the top of a 15 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a
1. 1 answer
2. 650 views
Classify the model as exponential growth or exponential decay. Identify the growth or decay factor and the percent increase or
1. 3 answers
2. 1,429 views
Classify the model as exponential growth or exponential decay. Identify the growht or decay factor and the percent increase or
1. 1 answer
2. 599 views
I have two questions:1. Why are action potentials usually conducted in only one direction along an axon? A. The axon hillock has
1. 1 answer
2. 1,399 views
Calculate the pH at which the amino group of lysine is 20% dissociated. lysine side chain pka is 10.5.
1. 3 answers
2. 1,847 views
int(dx/(x^2+9)) u = x/3Use the indicated substitution (above) to evaluate the integral. Confirm answer by differentiation. Okay,
1. 1 answer
2. 778 views
A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend
1. 1 answer
2. 405 views
A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend
1. 0 answers
2. 481 views
For what reasons was the Tweed Ring so notoriours?
1. 3 answers
2. 426 views
How did the Chinese Exclusion Act nd the Gentleman's Agreement limit the Asian immigration?
1. 3 answers
2. 472 views
A horizontal spring with k = 70 N/m has one end attached to a wall and the other end free. An 95 g wad of putty is thrown
1. 2 answers
2. 462 views
can u please help me unscramble "IRITONCF" and "LCRNEAU"
1. 1 answer
2. 428 views
A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results how an
1. 1 answer
2. 980 views
A 8.0×10−2 kg arrow hits the target at 25 m/s and penetrates 3.8 cm before stopping.What average force did the target exert
1. 2 answers
2. 432 views
A 8.0×10−2 kg arrow hits the target at 25 m/s and penetrates 3.8 cm before stopping.What average force did the target exert
1. 2 answers
2. 544 views
Anhydrous CuSO4 can be used to dry liquids in which it is insoluble. The CuSO4 is converted to CuSO4 x 5H20, which can be
1. 2 answers
2. 2,034 views
(Another related rate question)A plane (alt. 4000ft) is flying west at 700ft/sec. A searchlight under its path, tracks it. How
1. 0 answers
2. 461 views
(It's a related rate question)A man 6ft tall walks away from a lamp post (15ft) at 5ft/sec. How fast is his shadow lengthening?
1. 2 answers
2. 1,009 views
Jane is 2mi offshore in a boat and wishes to reach a coastal village 6mi down a straight shoreline from the point nearest the
1. 2 answers
2. 1,813 views
A vector representing 190 N is oriented at 38◦with the horizontal. What is the magnitude of its horizontal component?
1. 1 answer
2. 478 views
A 32-year-old man has trouble tying his shoelaces, writing, and walking in a straight line. A computed tomographic (special
1. 2 answers
2. 586 views
During an emergency room examination for an injured arm, the physician palpates the arm's entire length, starting at the
1. 1 answer
2. 517 views
A problem with the _____ plexus may cause pain in the posterior part of the thigh.A) Sacral B) Lumbar C) Cervical D) Brachial
1. 1 answer
2. 554 views
the set of real numbers less than or equal to -4
1. 1 answer
2. 383 views
Find the solution to:Solve: 0.9x+9<_1.7x-8
1. 1 answer
2. 872 views
•Post a 5- to 7-slide Microsoft® PowerPoint® presentation summarizing the different perspectives on sexual orientation and
1. 5 answers
2. 697 views
What is the difference between the idea of set points versus settling points in relation to weight control? I've read and
1. 4 answers
2. 702 views
Plate Tectonic Theory: What evidence that supports this theory?
1. 2 answers
2. 547 views
Plate Tectonic Theory: What evidence that supports this theory?
1. 1 answer
2. 418 views
Hello I am stuck on trying to figure out my assignment on Incorporating Statistics, Graphs, and Illustrations. My topic I chose
1. 2 answers
2. 622 views
Solve the following system of equations.x+3y=6 x=8-3y What is the solution of the system? Type the ordered pair or indicate if
1. 2 answers
2. 594 views
Post a 200- to 300-word response to the following: You have been hired into a new company to oversee the accounting department.
1. 0 answers
2. 641 views
How many critical points does the functionf(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts
1. 4 answers
2. 5,077 views
I'm doing a project concerning space travel to Mars, and I need some help with calculations.This is the description of the
1. 3 answers
2. 1,102 views
4FeCr2O7 + 8K2C03 + O2 --> 2Fe2O3 + 8K2CrO4 + 8CO2a). How many grams of FeCr2O7 are required to produce 44.0 g of CO2
1. 1 answer
2. 2,257 views
What is the purpose of washing and drying the thermometer between readnigs?
1. 1 answer
2. 399 views
How do the villagers respond to the spider girl? What do you think their response symbolizes -- how does it relate to the rest
1. 2 answers
2. 555 views
how many milliliters of a stock solution of 2.00 M KNO3 would you need to prepare 100.0 mL of 0.150 M KNO3?
1. 2 answers
2. 2,018 views
Oh gosh... I need help, with like everything...[Show all work] Aluminum nitrite & ammonium chloride react to form aluminum
1. 2 answers
2. 776 views
Given f(x) and g(x)=f^-1(x).If f(1)=4 and f'(1)=-3, then find g'(4). ...No idea where to start with this. Please help? Thanks
1. 2 answers
2. 400 views
Given f(x) and g(x)=f^-1(x).If f(1)=4 and f'(1)=-3, then find g'(4). ...No idea where to start with this. Please help? Thanks
1. 0 answers
2. 285 views
Carbon monoxide blocks the transport of what by hemoglobin in the blood?
1. 0 answers
2. 502 views
what is the process by which organisms maintain a relatively stable internal environment?
1. 2 answers
2. 1,682 views
How can the level of pain you feel very if a stimulus causes an all-or-none response?
1. 2 answers
2. 444 views
What's the difference between a galvanic and electrolytic cell when trying to find which half-rxn is the anode or the cathode?So
1. 1 answer
2. 528 views
Solve for x:3^(x+1)=2^x This is what I have so far... (x+1)log3 = xlog2 ...and now I'm stuck. Help plz? Thanks!
1. 2 answers
2. 380 views
Provide an example of at least five ordered pairs that do not model a function.The domain will be any five integers between 0
1. 0 answers
2. 997 views
what does "si no sabes la hora de un programa, ¿què haces?" mean and how would you answer that question?
1. 5 answers
2. 516 views
An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many
1. 4 answers
2. 5,664 views
hey I need help. Can you finish this sentance, using one of these words?Words powstanie niepodleg³oœci rosyjskim emigracji
1. 3 answers
2. 653 views
calculate the pH for a solution that is made by combining 125ml of 6.0*10-2 M hydroflouric aid with 50 ml of .12 M sodium
1. 4 answers
2. 538 views
A carpenter purchased 25.25 feet of hardwood at $25.20 per foot, and 3 types of trim molding:2.6 feet $1.90 per foot, 2.8 feet
1. 4 answers
2. 516 views
Acetic acid has a Ka of 1.8*10-5acetic acid ten times greater tha acetate acetate ten times greater tha acetic acid
1. 1 answer
2. 436 views
I'm having a really hard time with this physics problem...not really sure where to begin or which equation to use....please
1. 2 answers
2. 689 views
Question # 1: A series is:1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers
1. 2 answers
2. 858 views
Why is it that in today's working world being able to write well and to use grammar correctly are so important?
1. 1 answer
2. 385 views
question 1: A series is:1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers
1. 5 answers
2. 3,045 views

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