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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
3 answers
1,102 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 answer
1,028 views
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of
1 answer
544 views
You are allowed to choose four whole numbers from 1 to 10 (including 1 and
10). You can only choose each number once though.
0 answers
622 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
2 answers
860 views
i am odd, my digits add to 7, i am a multiple of 5. what number am i?
1 answer
379 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 answer
1,493 views
state the primary trigonometric ratio associated with angle a
p(-2,5)
1 answer
1,011 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
2 answers
1,476 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 answer
991 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?
2 answers
451 views
How is scientific notation used in our daily lives?
1 answer
420 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 answer
2,263 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 answer
606 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
3 answers
537 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
2 answers
396 views
If I'm standing on the sun can I still see the phases of the moon
0 answers
373 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!
0 answers
632 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,
0 answers
715 views
B is the midpoint of AC. FInd BC if AB=3x-4 and AC=58
1 answer
1,155 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
0 answers
550 views
Identify the property. X(a-b)= ax- bx
4 answers
1,363 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
2 answers
1,343 views
1. (TCO 9, 2, 3, 7) You have worked for an electronics company for the past three years. You have been assigned the
0 answers
614 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 answer
606 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
0 answers
385 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 answer
583 views
How many grams of sodium azide are required to produce 31 grams of nitrogen
1 answer
1,123 views
In prior investigations made by a local Gas and Electric Company, 65% of homeowners prefer to heat with gas instead of
0 answers
463 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
0 answers
745 views
Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.
1 answer
741 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 answer
1,822 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
2 answers
1,213 views
What is Final Velocity? I don't understand it at all!!
1 answer
344 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?
2 answers
1,169 views
could you please help with these questions? In works like "To Build a Fire," Naturalist writers such as Jack London advocated
6 answers
1,252 views
Consider the function f defined by
f(x)= sin x/x, x cannot equal 0 1, x cannot equal 0 a) At what points does the graph cross the
1 answer
543 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 answer
539 views
Convert: 5.72 kJ to kcal
1 answer
441 views
To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total
0 answers
464 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
2 answers
853 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
0 answers
460 views
Can someone please please help me understand how to go about solving this? (not really answering it, but actually explaining
1 answer
626 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 answer
704 views
Classify the model as exponential growth or exponential decay. Identify the growth or decay factor and the percent increase or
3 answers
1,488 views
Classify the model as exponential growth or exponential decay. Identify the growht or decay factor and the percent increase or
1 answer
652 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 answer
1,459 views
Calculate the pH at which the amino group of lysine is 20% dissociated. lysine side chain pka is 10.5.
3 answers
1,904 views
int(dx/(x^2+9)) u = x/3
Use the indicated substitution (above) to evaluate the integral. Confirm answer by differentiation. Okay,
1 answer
849 views
A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend
1 answer
445 views
A spider sits on its web, undergoing simple harmonic motion with amplitude A.What fraction of each cycle does the spider spend
0 answers
528 views
For what reasons was the Tweed Ring so notoriours?
3 answers
459 views
How did the Chinese Exclusion Act nd the Gentleman's Agreement limit the Asian immigration?
3 answers
535 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
2 answers
511 views
can u please help me unscramble "IRITONCF" and "LCRNEAU"
1 answer
465 views
A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results how an
1 answer
1,029 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
2 answers
464 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
2 answers
585 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
2 answers
2,104 views
(Another related rate question)
A plane (alt. 4000ft) is flying west at 700ft/sec. A searchlight under its path, tracks it. How
0 answers
527 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?
2 answers
1,087 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
2 answers
1,870 views
A vector representing 190 N is oriented at 38◦
with the horizontal. What is the magnitude of its horizontal component?
1 answer
527 views
A 32-year-old man has trouble tying his shoelaces, writing, and walking in a straight line. A computed tomographic (special
2 answers
639 views
During an emergency room examination for an injured arm, the physician palpates the arm's entire length, starting at the
1 answer
569 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 answer
596 views
the set of real numbers less than or equal to -4
1 answer
411 views
Find the solution to:
Solve: 0.9x+9<_1.7x-8
1 answer
916 views
•Post a 5- to 7-slide Microsoft® PowerPoint® presentation summarizing the different perspectives on sexual orientation and
5 answers
746 views
What is the difference between the idea of set points versus settling points in relation to weight control? I've read and
4 answers
770 views
Plate Tectonic Theory: What evidence that supports this theory?
2 answers
610 views
Plate Tectonic Theory: What evidence that supports this theory?
1 answer
481 views
Hello I am stuck on trying to figure out my assignment on Incorporating Statistics, Graphs, and Illustrations. My topic I chose
2 answers
682 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
2 answers
640 views
Post a 200- to 300-word response to the following: You have been hired into a new company to oversee the accounting department.
0 answers
695 views
How many critical points does the function
f(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts
4 answers
5,154 views
I'm doing a project concerning space travel to Mars, and I need some help with calculations.
This is the description of the
3 answers
1,176 views
4FeCr2O7 + 8K2C03 + O2 --> 2Fe2O3 + 8K2CrO4 + 8CO2
a). How many grams of FeCr2O7 are required to produce 44.0 g of CO2
1 answer
2,309 views
What is the purpose of washing and drying the thermometer between readnigs?
1 answer
428 views
How do the villagers respond to the spider girl? What do you think their response symbolizes -- how does it relate to the rest
2 answers
644 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?
2 answers
2,076 views
Oh gosh... I need help, with like everything...
[Show all work] Aluminum nitrite & ammonium chloride react to form aluminum
2 answers
855 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
2 answers
436 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
0 answers
321 views
Carbon monoxide blocks the transport of what by hemoglobin in the blood?
0 answers
551 views
what is the process by which organisms maintain a relatively stable internal environment?
2 answers
1,721 views
How can the level of pain you feel very if a stimulus causes an all-or-none response?
2 answers
466 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 answer
583 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!
2 answers
412 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
0 answers
1,046 views
what does "si no sabes la hora de un programa, ¿què haces?" mean and how would you answer that question?
5 answers
562 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
4 answers
5,741 views
hey I need help. Can you finish this sentance, using one of these words?
Words powstanie niepodleg³oœci rosyjskim emigracji
3 answers
720 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
4 answers
581 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
4 answers
578 views
Acetic acid has a Ka of 1.8*10-5
acetic acid ten times greater tha acetate acetate ten times greater tha acetic acid
1 answer
471 views
I'm having a really hard time with this physics problem...not really sure where to begin or which equation to use....please
2 answers
753 views
Question # 1: A series is:
1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers
2 answers
917 views
Why is it that in today's working world being able to write well and to use grammar correctly are so important?
1 answer
421 views
question 1: A series is:
1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers
5 answers
3,120 views
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