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Questions (207)
A 1.4-kg block of ice is at a temperature of -10∘C. If 6200 J of thermal energy is added to the ice, what is its final
0 answers
594 views
The ceramic coffee cup in the following figure (Figure 1), with m = 114 g and c=1090J/(kg⋅K), is initially at room temperature
0 answers
514 views
1000g of an unknown liquid was heated by a 20-watt heating element for 10 minutes. How much heat energy did the liquid receive
1 answer
412 views
Given the following equations:
2 H2O2 (aq) → 2 H2O (l) + O2 (g) and C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2 H2O (l) The first
2 answers
2,165 views
Write the total ionic and the net ionic equations for the following:
3 H2 (g) + 2 AuCl3 (aq) → 6 HCl (aq) + 2 Au (s)
1 answer
1,017 views
Determine whether a reaction will take place in the following and write a complete balanced equation: You must include phase
1 answer
694 views
Natasha went to Japan for a business trip. Natasha converted $1100US into 110682 Yen at the local bank. Natasha spent 87438.78
1 answer
664 views
Create a program that will print the student’s letter grade given the following specifications :
90 – 100 = A 80 – 89 = B
1 answer
1,036 views
Find the hang time for a golf ball hit 150 feet into the air. The time T in seconds is given by the function
T(x)= square root of
1 answer
1,097 views
Which approach would explain that phobias are acquired through classical conditioning and the hypochondriac's "sickness
1 answer
781 views
Among the legislative acts passed during Franklin Roosevelt’s first term as president, which one gave relief to artists,
1 answer
679 views
How many milliliters of 0.205 M NaOH solution are needed to completely neutralize 5.50 mL of 0.865 M H2SO4 solution?
2 answers
775 views
An astronaut has a mass of100kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force
1 answer
534 views
Who explored enough of South America to deem it a new continent?
1 answer
532 views
The sole activity of the respiratory system is breathing.
True False The exchange of gases between the blood and tissue cells is
1 answer
1,062 views
The sole activity of the respiratory system is breathing.
True False The exchange of gases between the blood and tissue cells is
2 answers
2,578 views
Arteries carry blood ________ the heart.
2 answers
628 views
Shelby walks at a constant rate. the equation that represents this relationship is d=4t, where d is the distance in miles and t
1 answer
654 views
miguel is 5ft 10 inches tall On a sunny day he casts a shadow of 4ft 2 inches long. At the same time, a nearby electric tower
3 answers
1,129 views
turtle goes 0.50m/s rabbit goes 3.0m/s^2.. rabbit gives turtle 195 seconds head start. how long will it take for hare to catch
1 answer
600 views
If you could design a study on anything about human behavior to show how it is the same across cultures, what would that be?
1 answer
734 views
Do you think it is possible our biological make up dictate whether we will be maternal or parental and we choose our roles
1 answer
481 views
The unit rate of 7/12 liters in 3/10 kilometers
2 answers
1,127 views
solve the equation for x using the fact that if a^u =a^v then u=v. 9^-x+15=27x.
thanks
2 answers
386 views
simpify: 3radical27x^10/5x^3y^5
7radical2x+2radical72x^3-radical162x^5 sorry don't know how to do the radical sign.
1 answer
499 views
use the given zero to find the remaining zeros of the fuction...f(x)=x to the 5power-6x4power+7x3power-10x2power zero:1+i
1 answer
399 views
find the real zeros of the given functions, use the real zeros to factor f. f(x)=-2x4power+9x3power+2x2power-39x+18
3 answers
494 views
Which of the following is correct for a step-down transformer?
1 answer
630 views
bob and jim had a total of 90 marbles. bob had half a dozen more than jim. how many marbles did jim have.
1 answer
385 views
The coefficient of static friction between a block of wood of mass 29.2-kg and a rough table is 0.51. The table is slowly tilted
1 answer
757 views
an office where 8 secretaries work 8 hours a day 5 days a week decided it needs 336 hours a week of secretarial work. How much
2 answers
600 views
A 6 ft tall person cast a shadow 15 ft long. At the same time a nearby tower casts a shadow 100 ft long. Find the height of the
1 answer
896 views
Susie's cat had kittens. 4 of them were female, 3 of them were black. If 1/2 the litter had short tails, what is the maximum
0 answers
829 views
mr lee's garden is square shaped. he planted 100% of it. 1/3 of it was carrots. 1/3 of it was tomatoes. The remained 48 square
1 answer
240 views
susie went to the store. she spent half her money on groceries. she spent $13 on paper supplies. she still had 1/4 of the amount
1 answer
533 views
There are no bruits auscultated.
1 answer
520 views
the San hunters of southern africa weren't overwhelmed during the nineteenth century because they
a. were protected by a treaty
1 answer
404 views
There are two goods 1 and 2. Denote by (x1; x2) the consumption bundle consisting of x1
units of good 1 and x2 units of good 2. A
0 answers
553 views
The school auditorium has 8 rows of seats, divided into 3 sections. Each section has 15 seats. Which one the following would be
4 answers
960 views
The school auditorium has 8 rows of seats, divided into 3 sections. Each section has 15 seats. Which one the following would be
5 answers
1,406 views
You have 11 coins that total 43 cents. What combination of coins can you have
4 answers
2,044 views
with the adoption of hristianity by constantine, the emperor
a. stopped using images of pagan gods b. was no longer worshipped as
1 answer
1,103 views
most sages of the aial age took which of the following views of human nature?
a. it's neither good nor bad b. it's essentially
1 answer
495 views
the root cause of the crisis that many states faced at the end of the sexond millennium B.C.E. were?
0 answers
323 views
neaderthals lived alingside homo sapiens for thousands of years, what happened while living next to one another?
0 answers
396 views
the expansion of agriculture can be traced across sub- saharan africa through the spread of the what language group
0 answers
402 views
what of the following archaeological evidence suggests that the olmec where shamanistic?
1 answer
512 views
according to the text, the development of agriculture could have ben a result of all the following except
0 answers
412 views
according to the text, the development of agriculture could have ben a result of all the following except
0 answers
358 views
Solve using the addition principle.
5=x+4
2 answers
422 views
1) In one scene of the movie Raiders of the Lost Ark, Indiana Jones is running along the top of a moving train. He is running at
1 answer
801 views
(1) If an electromagnetic wave has a period of 4.8 μs, what is the frequency and wavelength?
I know how to find the frequency
1 answer
1,208 views
what can you put in place of the ? to make x^2+14x+? a perfect square?
1 answer
436 views
The final math grades for all 6th graders were A: 125, B: 200, C: 350, D: 95, and F: 25. Make a bar graph to display this data.
1 answer
538 views
What speed would a fly with a mass of 0.71 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at
1 answer
686 views
With a µ = 100, a score of 150 is more extreme when ó = ______.
a.25 b.100 c.both d.neither
1 answer
369 views
6x=82
1 answer
279 views
what method of dna sequencing would be used to sequence a recombinant plasmid?
3 answers
647 views
Peg spends $7.50 a week for grapefruit. When grapefruit are out of season, she gets 1 fewer grapefruit than when they are in
0 answers
538 views
How many 3 digit numbers are divisible by 8?
2 answers
475 views
how many multiples of 7 are there between 100 and 1000?
7 answers
5,964 views
what type of financial structure would you say the veterans hospitals and clinics run on?
0 answers
437 views
I am doing a paper on not for profit and for profit health care organizations and i am confused I know for profit is to make
1 answer
785 views
Can someone please check this sentence. I want to make sure I DON'T need a comma in the sentence. THANKS!
I have found her to be
1 answer
1,038 views
Sona is trying to put together a puzzle that is too difficult for her to complete alone. If the puzzle is within Sona’s zone
2 answers
1,315 views
There are many social and cultural contexts you interact with that strongly influence development. These contexts include people
2 answers
619 views
What are the advantages of an organization existing as a single business entity?
0 answers
624 views
How does the government contribute to positive changes in health care?
1 answer
441 views
How does the process of needs/market assessment result in successful project planning and the development of new approaches to
1 answer
441 views
An empty rubber balloon has a mass of 0.0100 kg. The balloon is filled with helium at a density of 0.181 kg/m3. At this density
3 answers
2,393 views
Ann is five years older than twice her brother Dan's age, a. Write an algebraic expression to represent the sum of their ages.
2 answers
879 views
What are the measures of the angles of a right triangle with side lengths of 1, 2, and sqroot of 2?
1 answer
410 views
the resurgence of us manufacturing firms in recent years can be credited to
2 answers
565 views
At 16°C a sample of ammonia gas exerts a pressure of 11.7 atm. What is the pressure when the volume of the gas is reduced to
2 answers
1,197 views
A 16.5 cm3 bubble under the ocean at 2.1 atm and 12.5oC surfaces to 1.0 atm and 22.1oC. What is the new volume (in cm3)?
i used
1 answer
430 views
A 16.5 cm3 bubble under the ocean at 2.1 atm and 12.5oC surfaces to 1.0 atm and 22.1oC. What is the new volume (in cm3)?
1 answer
407 views
describe different methods to calculate prejudice by sociologist
2 answers
470 views
what number is 100 less than 2,340,000
1 answer
403 views
What type and amount of personal information should be included in a portfolio I am putting together for a job?
3 answers
633 views
Complete the ordered-pair solutions for the following equation.
x/3 + y = 15 S = {(0, ), (3, ), (6, )
1 answer
448 views
Financial planning is very important to the success of your schooling, because you need to make sure that you have enough money
1 answer
447 views
A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?
2 answers
540 views
can you make 4/3 a whole number?
1 answer
832 views
ugh,why is math so difficult and what can i do to make it easier?
1 answer
390 views
how do you make 31/2 a whole number?
1 answer
812 views
how do you multiply pi by 218?
how do you multiply a decimal with a whole number?
3 answers
453 views
what does pi equal?
1 answer
723 views
how do you find the b when A=12 square feet and h=2.0 feet?
1 answer
390 views
The distance an automobile can travel in h hours at an average rate of 50 miles an hour is found y the formula d=50h. Problem: A
0 answers
670 views
The distance an automobile can travel in h hours at an average rate of 50 miles an hour is found y the formula d=50h. Problem: A
0 answers
745 views
define the following
1.science 2.technology 3.innovations 4.measurement 5.international system or S.I
1 answer
505 views
A regular pentagon and a regular octagon cannot tessellate on their own correct?
5 answers
739 views
I am doing a essay on american disability act in a faculity dealing with these persons and can not find JCAHO standards for this
0 answers
542 views
Solve the question for both the exact irrational root and its rational approximation to the nearest tenth. sqrt 2 over 3 s + 1 =
0 answers
484 views
a+ sqrt 2 = 7 Solve the question for both the exact irrational root and its rational approximation to the nearest tenth. THANK
1 answer
518 views
Solve the question for both the exact irrational root and its rational approximation to the nearest tenth 3h + sqrt 2 = sqrt 5
1 answer
444 views
I am having trouble with this question some someone help to explain this better to me? What is the difference between licensure
1 answer
457 views
not really homework but just not getting answers to all my questions so in short.If an individual suffering from Alzheimer's
2 answers
491 views
What is the effect that scarce resources have on administrative ethics?
1 answer
991 views
t^2-11t+28=0
1 answer
385 views
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