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Amanda
Questions (1,498)
What social, cultural, political, and economic impacts did the ballista invention have on their society during the Iron age?
1 answer
557 views
When excess carbon dioxide passes into a sodium hydroxide solution it forms sodium carbonate solution calculate the mass of
1 answer
429 views
if there is 24cm3 then what is the volume?
1 answer
482 views
A man is on the shore of a circular lake with a radius of 3km at point P and wants to cross the lake directly through the middle
2 answers
1,561 views
You have a Windows 2000 computer that has no built-in firewall so you were looking for third-party firewall to install which of
1 answer
538 views
What is the temperature of acrushed ice using a Bunsen burner per minute
0 answers
345 views
The key to Singapore’s success was
A.) importing cheap goods B.) producing goods for export C.) developing its mineral wealth
1 answer
466 views
A body of mass 70kg runs up a set of steps if total height 3.0m find the work done against gravity
1 answer
472 views
What are the answer to social studies weekly week 5 crossword number 1
2 answers
173 views
"Laura is painting a round floor cloth to resemble a globe for her bedroom floor. She wants to sew seam binding around the edges
5 answers
595 views
Where did de soto's expedition begin?
A. Georgia B. Tennessee C. Alabama D. Florida
1 answer
899 views
Leila walks South for 20m and then west for 20m. Determine her resultant displacement graphically and by calculation
1 answer
670 views
What can we draw action plan of how to combat the social issues
1 answer
417 views
30% of the cars in a particular parking lot are red. If there are 12 red cars, how many cars are parked in the parking lot?
A) 20
2 answers
1,525 views
I am a number between 30 and 60 . My ones digit is three less than my tens digit . I am a prime number . What number am I ?
3 answers
2,501 views
Line L is perpendicular to the line 6x - y = 7 and passes through the point (0,6). Line M is parallel to the line y = 2/3x - 4
2 answers
3,200 views
How did Belgium rule in Rwanda contribute to genocide?
A. Belgium King Nicholas I ordered his army to execute Tutsis throughout
4 answers
811 views
If the universal set U = the set of all positive odd integers less than or equal to 11 and E = {1,3,5,7}, what is E'?
1 answer
1,421 views
5 letters are typed, with repetition allowed. What is the probability that all 5 will be vowels? Write your answer as a percent.
1 answer
6,741 views
Roman saves $500 each year in an account earning interest at an annual rate of 4% compounded annually. How much interest will
2 answers
1,377 views
The owner of an automobile repair center purchased new electronic diagnostic equipment for $12,000. He paid down and then paid
3 answers
806 views
Find the exact value of sin(u/2), cos(u/2), and tan(u/2) using the half-angle formula, given that cscu = -5/3 and π < u < 3π/2
2 answers
1,000 views
A square playground has an area of 1500 ft.² Find the length of one side of the playground to the nearest 10th of a foot
1 answer
698 views
There 70 women in a club. 20 play volley ball only ,10 play basketball only , 6 play tennis ball only. 4 play all the games and
3 answers
2,359 views
Why does pressure change with elevation and depth
1 answer
471 views
Hi again. I don't understand these two questions so um please help me. Also explain me how to do it. Please
1. An electrician
5 answers
1,909 views
Simplify this expression.
(3x+1/2) + (7x-4 1/2) How do you this? Thanks.
6 answers
596 views
Is this sentence complex compound or simple? The question is, when water evaporates from the sea it becomes fresh water
4 answers
654 views
What is 4-y in a algebraic expression
1 answer
403 views
Ann sleeps 8 hours per night. Write an expression for the number of hours Ann sleeps in n nights
2 answers
700 views
The prompt for all of these question is "consider the function f(x) = sin^2(x)".
Part A: Write the first four terms of the
1 answer
815 views
A soccer team won three fourths of its games. The team won 18 games. How many games did the team play?
2 answers
2,551 views
Miranda is a 23 year-old female who presents with symptoms of anxiety. She is dressed in baggy clothes and appears to be very
1 answer
515 views
You have a phone plan where mins are 25cents a piece you have a balance of 13.67 how many mins can you talk on the phone
1 answer
339 views
The rate of U.S. per capita sales of bottled water for the period 2000-2010 could be approximated by s(t) = −0.18t2 + 3t + 15
1 answer
1,463 views
The rate of U.S. per capita sales of bottled water for the period 2000-2010 could be approximated by
s(t) = −0.18t2 + 3t + 15
0 answers
889 views
Find the area of the indicated region: Between y = x2 − 5x + 3 and y = −x2 + 5x − 5 for x in [0, 4].
I keep ending up with
2 answers
571 views
Annual sales of fountain pens in Littleville are 2,000 per year and are increasing by 10% per year. How many fountain pens will
1 answer
930 views
If you titrated 50 mL of HCl and 50 mL H2SO4, each of the same molarity, with NaOH. What is the numerical ratio of the volume of
1 answer
640 views
Oxalic acid , HOOCCOOH (aq) , is a diprotic acid with Ka1= 0.0560 and Ka2=0.0145. Determine the [-OOCCOO-] in a solution with an
2 answers
1,021 views
Oxalic acid , HOOCCOOH (aq) , is a diprotic acid with Ka1= 0.0560 and Ka2=0.0145. Determine the [-OOCCOO-] in a solution with an
1 answer
678 views
Please help. I have tried this a few different times and have come up with the same answer.
What is the pH of the solution if
1 answer
432 views
Find the derivative of the function.
r(t) = log_4(t + sqrt(t)) My answer (sorry, it's messy):
3 answers
667 views
An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 4
3 answers
2,171 views
If f and g are functions of time, and at time t = 3, f equals 8 and is rising at a rate of 3 units per second, and g equals 5
1 answer
3,092 views
Consider the population (1,3). Suppose you take all possible samples of size n=3 with replacement. What is the sampling
1 answer
503 views
The weight of a randomly selected shipping container follows an unknown distribution with mean 12 tons and standard deviation 2
0 answers
625 views
LED light bulbs are manufactured with an average life span of 16 years and the bulb lifespans are known to follow an exponential
1 answer
607 views
Johnny's Tumblers sells plastic cups in bulk for start-up restaurants. Their cost for producing these is modeled by: c(x) =
2 answers
1,067 views
Evaluate the given expression:
d/dx[5(x^2 + 3|x|)] Any help with this is appreciated!
2 answers
415 views
I am having trouble getting the right answer for this question please help.
Calculate Kc for the FeSCN2+ formation equilibrium
1 answer
720 views
what mass of h2o is formed when h2 reacts with 384g of o2?
1 answer
1,618 views
Use the concentrations and volumes of hydrogen peroxide and KI before mixing (Table 1),
calculate the post-mixing concentrations.
2 answers
1,100 views
Calculate the expected freezing point of a solution of 0.579 g pelargonic acid in 4.225 g of lauric acid, if the melting point
1 answer
559 views
Element X has a face-centered cubic unit cell structure. If the density of the element is measured to be 12.4 g/cm^3, what is
1 answer
746 views
If one sound registers one decibel more than another, then it is ____ times as intense? Round your answer to three decimal
1 answer
385 views
I have 100 bucks to buy 100 fruits. The fruits which I need to buy are- mango; which is 20 piece for 1 buck, lichi; which is 1
1 answer
442 views
I have 100 bucks to buy 100 fruits. The fruits which I need to buy are- mango; which is 20 piece for 1 buck, lichi; which is 1
1 answer
562 views
Richard is 6 years older than Lisa, and in 5 years the sum of their ages will be twice as much as the sum of their ages 4 years
7 answers
3,619 views
1.Find the mesure of <s
A. 63 B.153 C. 68 D.148 2. If a and b are parallel m<3=128 what is the measure of <8 A.134 B.52 C.54.
4 answers
1,155 views
The angle of an elevation of the top of a radio mart from a point 53meter from its base on ground level is 61degrees ,find the
1 answer
423 views
41/2 x ?=111/4
They're mix numbers.
1 answer
393 views
Who is miss Lucas and Mrs Hurst in pride and prejudice?
1 answer
470 views
I wrote 47.235 as my answer then it asked me to use the calculator to find a complete answer.How I'm I suppose to do this.
please
1 answer
401 views
A median of a number is 5.
A mean is 5. They're five different numbers. They're not integers. Workout the numbers. Please help me
5 answers
511 views
The CEO of a multinational manufacturing company, with its headquarters in the UK, is considering aligning its organisational
0 answers
542 views
How many moles of air must be pumped into a 4.8 L tire to give it the pressure of 47.1 psi at 25°C ? I'm not sure how to even
0 answers
434 views
A bar of length 2L can rotate about a frictionless axle at its center. The bar is initially at rest and is then acted on by the
1 answer
724 views
Need help with this statistics assignment. Of course not asking for you to do it, just an example or help on how to answer.
Find
0 answers
604 views
Has anyone done the effect of cell size on material transport portfolio in Connections academy?
6 answers
4,186 views
Write a rule for the function represented by the table.
x y 0 13 1 28 2 43 3 58 y= 15 + 13x y= 14 + 12x y= 13 + 15x** y= 12 + 14x
2 answers
3,455 views
Write a rule for the sequence
8 -1 -10 -19... Start with 8 and add -9 repeatedly** Start with-9 and add 8 repeatedly Start with 8
6 answers
1,980 views
A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u is
1 answer
878 views
Here is the probability model for the blood type of a randomly chosen person in the United States.
Blood type O A B AB
4 answers
2,863 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 18 16 8 42 Female 7 17 9 33
2 answers
1,386 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 4 17 20 41 Female 15 7 19 41
1 answer
937 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 2 10 17 29 Female 7 15 4 26
2 answers
1,466 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 17 5 2 24 Female 7 11 12 30
1 answer
698 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 8 10 12 30 Female 4 11 3 18
1 answer
923 views
As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of
1 answer
1,456 views
A BAG OF M&M'S HAS 3 RED, 7 GREEN, 6 BLUE AND 5 YELLOW M&M'S . WHAT IS THE PROBABILITY OF RANDOMLY PICKING.
3 answers
1,686 views
Convert the given exponential function to the form indicated.
f(t) = 2.7(1.004)^t --> f(t) = Q0e^kt I'm not even sure where to
1 answer
1,267 views
Frogs have been breeding like flies at the Enormous State University (ESU) campus! Each year, the pledge class of the Epsilon
5 answers
2,623 views
I need to solve this inequality
3(x-2)>-3
1 answer
344 views
A manufacturing company finds that they can sell 375 items at $2.50 per item and 225 items at $3.50 per item. If the
2 answers
2,330 views
The organized crime boss and perfume king Butch (Stinky) Rose has daily overheads (bribes to corrupt officials, motel
2 answers
1,189 views
Richard paid $80 per hour plus $55 for parts to get his computer fixed. If Richard paid a total of $175, how many hours did he
1 answer
434 views
What chapter in the novel "Color of Water", by James McBride gives multiculturalism a new meaning?
The book is a "Black man's
1 answer
621 views
When 4.5 mol Al reacts with 11.5 mol HCl,what is the limiting reactant, and how many moles of H2 can be formed?
1 answer
673 views
Hi, I've been working for nearly 2 hrs on this problem, but I'm stuck on the next step. Thanks for any pointers in the right
1 answer
441 views
How does social and emotional development affect physical development?
3 answers
683 views
Out of the the following fractions which one[s] don't belong : 4/2, 9/3, 16/4, 25/5, 38/6, and 47/7
2 answers
739 views
What effects did american revolution have on the political, economic, and social concept of us today ?
1 answer
517 views
The goal is to shoot down my friends drone with a paintball. We need to know how quickly my paintball will reach a maximum
1 answer
581 views
A 4.7 gram feather falls with a constant speed of 1.4 m/s. What is the force of air resistance on the feather?
0 answers
736 views
In a twist of tradition, you pull a sled horizontally with a force of 3.3 N on a frictionless surface of snow while your dog is
1 answer
1,325 views
A ball travelling at 9.5 m/s is stopped by catching it by hand over a distance of 0.24 m. What is the mass of the ball if the
1 answer
844 views
A 7.5 kg box is pushed across a floor by pushing forward and down, with a force of 11 N at an angle 64 degrees from the
1 answer
2,198 views
calculate the rate percentage per year if $3240 is paid as intrest on 12000 for 2 and a half years. whats percentage pre year?
1 answer
479 views
calculate the rate percentage per year if $3240 is paid as intrest on 12000 for 2 and a half years
1 answer
431 views
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