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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. 1,071 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. 996 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. 520 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. 592 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. 817 views
i am odd, my digits add to 7, i am a multiple of 5. what number am i?
1. 1 answer
2. 362 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. 1,440 views
state the primary trigonometric ratio associated with angle ap(-2,5)
1. 1 answer
2. 979 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. 1,449 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. 956 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. 443 views
How is scientific notation used in our daily lives?
1. 1 answer
2. 407 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. 2,225 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. 579 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. 511 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. 380 views
If I'm standing on the sun can I still see the phases of the moon
1. 0 answers
2. 355 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. 615 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. 694 views
B is the midpoint of AC. FInd BC if AB=3x-4 and AC=58
1. 1 answer
2. 1,129 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. 520 views
Identify the property. X(a-b)= ax- bx
1. 4 answers
2. 1,335 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. 1,312 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. 584 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. 578 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. 356 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. 568 views
How many grams of sodium azide are required to produce 31 grams of nitrogen
1. 1 answer
2. 1,097 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. 449 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. 736 views
Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.
1. 1 answer
2. 717 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. 1,797 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. 1,185 views
What is Final Velocity? I don't understand it at all!!
1. 1 answer
2. 328 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. 1,138 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. 1,227 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. 516 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. 517 views
Convert: 5.72 kJ to kcal
1. 1 answer
2. 415 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. 443 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. 819 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. 422 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. 603 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. 676 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. 1,455 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. 616 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. 1,427 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. 1,871 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. 814 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. 426 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. 511 views
For what reasons was the Tweed Ring so notoriours?
1. 3 answers
2. 446 views
How did the Chinese Exclusion Act nd the Gentleman's Agreement limit the Asian immigration?
1. 3 answers
2. 499 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. 497 views
can u please help me unscramble "IRITONCF" and "LCRNEAU"
1. 1 answer
2. 444 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. 997 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. 444 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. 560 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. 2,067 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. 504 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. 1,049 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. 1,844 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. 499 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. 608 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. 546 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. 573 views
the set of real numbers less than or equal to -4
1. 1 answer
2. 398 views
Find the solution to:Solve: 0.9x+9<_1.7x-8
1. 1 answer
2. 893 views
•Post a 5- to 7-slide Microsoft® PowerPoint® presentation summarizing the different perspectives on sexual orientation and
1. 5 answers
2. 728 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. 738 views
Plate Tectonic Theory: What evidence that supports this theory?
1. 2 answers
2. 574 views
Plate Tectonic Theory: What evidence that supports this theory?
1. 1 answer
2. 436 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. 645 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. 613 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. 666 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. 5,116 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. 1,141 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. 2,287 views
What is the purpose of washing and drying the thermometer between readnigs?
1. 1 answer
2. 409 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. 594 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. 2,045 views
Oh gosh... I need help, with like everything...[Show all work] Aluminum nitrite & ammonium chloride react to form aluminum
1. 2 answers
2. 804 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. 417 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. 300 views
Carbon monoxide blocks the transport of what by hemoglobin in the blood?
1. 0 answers
2. 523 views
what is the process by which organisms maintain a relatively stable internal environment?
1. 2 answers
2. 1,699 views
How can the level of pain you feel very if a stimulus causes an all-or-none response?
1. 2 answers
2. 456 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. 556 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. 398 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. 1,018 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. 533 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. 5,690 views
hey I need help. Can you finish this sentance, using one of these words?Words powstanie niepodleg³oœci rosyjskim emigracji
1. 3 answers
2. 680 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. 558 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. 546 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. 451 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. 720 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. 887 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. 394 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. 3,089 views

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