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sara

Questions and answers by visitors named sara

Questions (1,002)

Which statements describe an aquifer? Select the three correct answers.1. underground water storehouse 2. layer of permeable
1. 6 answers
2. 3,515 views
The lateral surface of cone A is unwrapped into a sector of central angle 6 radians and radius π. What is the radius of cone A?
1. 4 answers
2. 4,638 views
Don has just received a cash gift of $70,000 from his rich eccentric uncle. He wants to set it aside to pay for his daughter
1. 5 answers
2. 1,852 views
Terms of sequences15,22,31,42,55 find next 3 terms and the formula also for the sequence
1. 5 answers
2. asked by sara
3. 3,013 views
Two cars are side by side. One is 3.9 meters long. The other is 6% shorter. How long is the second car?I know the answer is 3.7,
1. 7 answers
2. 17,287 views
An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the
1. 5 answers
2. 2,048 views
the question is find the sum of the first eight terms in the series3-12+48-192+... is 1)-13,107 2)-21,845 3)-39,321 4)-65,535 I
1. 4 answers
2. 4,955 views
Cylinder A has radius 4 times the radius of cylinder B, and height 4 times the height of cylinder B.What is the ratio of the
1. 5 answers
2. 2,489 views
suppose you heat a hydrate too quickly and some of it was lost as it spattered out of the container. Explain how this would
1. 3 answers
2. 1,951 views
A ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. The pendulum mass is 0.350 kg. The ball is caught in
1. 4 answers
2. 3,990 views
A theater shows 8 movies at 3 prices five times each day. How many types of tickets does the theater sell?How do I solve this
1. 4 answers
2. 667 views
Finddy/dx and d2y/dx2. x = et, y = te−t
1. 5 answers
2. 19,834 views
evaluate the surface integraldouble integral (y dS) z= 2/3 (x^3/2 + y^3/2) 0 ≤ x ≤ 5, 0 ≤ y ≤ 2
1. 4 answers
2. 2,726 views
a baseball is hit straight up from a height of 6 feet with an initial velocity of90 feet per second. given the equations=-16t^2
1. 4 answers
2. 2,088 views
what intermolecular forces can be found in the molecules below:1. HCO3 2. BH3 3. CN
1. 4 answers
2. 1,180 views
i need help on this now pllllllz!!!!!Land in return for service William needed help in 1066 to conquer England. The promise the
1. 1 answer
2. 1,269 views
two questions-1. if sam decidedd to buy more vegtables does this imply that there has been an increase in quantity demanded .
1. 1 answer
2. 452 views
What are the basic elements of an effective medical office financial policy?
1. 1 answer
2. 423 views
Griffith's experiments along with Avery, MacLeod and McCarty helped to determine the transforming factors of Pneumococcus
1. 1 answer
2. 632 views
Histones interact with DNA at specific loci because DNA has phosphate functional groups. This interaction occurs because
1. 1 answer
2. 594 views
If a baseball pitcher throws a fastball at a horizontal speed of 160km/h how long does it take to reach home plate 18.4m away?In
1. 3 answers
2. 1,503 views
A car travels on a straight road for 40km at 30km/h. It then continues in same direction for 40km at 60km/h.a)What is the
1. 3 answers
2. 2,303 views
1.) What flatlands extend south from Chesapeake Bay to the east coast of Florida?Since this is not my area of expertise, I
1. 1 answer
2. 676 views
A startled armadillo leaps upward, rising .544 m in eh first .200sa) What is its initial speed as it leaves the ground? b)What
1. 3 answers
2. 836 views
A stone is dropped into a river from a bridge 43.9 m above the water. Another stone is dropped vertically down 1s after the
1. 1 answer
2. 941 views
y=-x - 2what's your question?
1. 1 answer
2. 288 views
what does H2 + CH2 form? (what product?)What is CH2? There is a (CH)2 but I don't know of a CH2. Yes, I meant to ask: What
1. 1 answer
2. 1,178 views
What product is formed by this reaction:H2 + (CH)2 Answered the original post below.
1. 1 answer
2. 327 views
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00 cm,
1. 1 answer
2. 585 views
what is the largest prime number you will need to check to find all the prime numbers less than 100Here is a site that I found
1. 0 answers
2. 772 views
whats all the prime numbers less than 200See my response to your previous post. Thanks for asking.
1. 1 answer
2. 417 views
Does H4N2O2 exist as a compound?yes If you wrote it as NH4NO2 would it make more sense to you. And to answer the next question,
1. 1 answer
2. 436 views
What is the area enclosed by the graph ofthe absolute value of (3x)+ the absolute value of (3y)=12? what area are you looking
1. 1 answer
2. 348 views
I posted this question before:What is the area enclosed by the graph of the absolute value(3x)+ the absolute value(4y)=12 I
1. 1 answer
2. 545 views
A mole of helium gas contains 6.02x10^23 helium atoms. How many helium atoms are there in a micromole of helium? How many moles
1. 3 answers
2. 2,540 views
Bob owns a 100-acre farm. Of that, he uses 50 acres to grow corn, 40 acres to graze sheep, and 10 acres for structures such as
1. 2 answers
2. 781 views
H2(g) + CO2(g)<-> H20(g) + CO(g)When H2(g) is mixed with CO2(g) at 2,000K, equilibrium is achieved according to the equation
1. 3 answers
2. 3,654 views
at 7a.m. the temperature was -15degree F by 1 p.m the temperature had increased by 18degrees F what was the temperature at 1 pm?
1. 1 answer
2. 308 views
why is it impossibe for an individual organism to simply "adapt" to a new biome?Adaptation to a new biome takes generations.
1. 5 answers
2. 863 views
why do we find the major land biomes at specific locations on the earth in both the northern and the southern hemispheres?Variat
1. 1 answer
2. 550 views
a=-2 b=5 c=-4 d=6question is b^2-2bc+c^2 see if i did the steps right please (5^2)-(2*5*-4)+(-4^2) (5^2)-(10*-4)+(-4^2)
1. 5 answers
2. 429 views
what is a level 1 question?http://www.friscoisd.org/schools/chs/docs/reading9th.pdf Good explanation here. =)
1. 1 answer
2. 381 views
I am really confused on this question can some one help me out pleasethe length of a rectangular playing field is 5 ft less than
1. 1 answer
2. 571 views
Hi i ahve to create a local naturetrail on my area.It has to incorportae science, geography and histiry features.I ahve made out
1. 1 answer
2. 521 views
. Stock Values. Integrated Potato Chips paid $1 per share dividend yesterday. You expect the dividend to grow steadily at a rate
1. 1 answer
2. 923 views
Constant growth model. Here are data on two stocks, bth of which have discount rate of 15%.
1. 1 answer
2. 378 views
If a is not = to b then the order pair (a,b) is always equal to the ordered pair of (b,a)i am thonking it will never be equal am
1. 1 answer
2. 393 views
Prove that the union of two finite sets is finite.Hint: A U B = (A - B) U (B - A) U (A ∩ B) where U = union and ∩ =
1. 3 answers
2. 494 views
If A is a finite set and B is a proper subset of A, prove that |B| < |A|.Hint: B is finite. What is the union of the disjoint
1. 1 answer
2. 458 views
The statement below is false. Correct it by changing two symbols."The interval (a,b) contains its infimum and its supremum."
1. 1 answer
2. 1,108 views
Determine whether the following statement is true or fase. If true, provide a proof; if false, provide a counterexample.If S is
1. 1 answer
2. 699 views
Prove that the Least Upper Bound Property holds for ℝ if and only if the Greatest Lower Bound Property holds for ℝ.
1. 1 answer
2. 966 views
how would you set this problem up using pascal's triangle?(x+y)5 (raised to the 5th power) 5th row, 6 terms.
1. 1 answer
2. 597 views
for 2Al2O3----> 4Al(s) + 3O2the question is what is the heat change for the formation of 1 mol of aluminum oxide from its
1. 3 answers
2. 779 views
describe a situation you are familiar with in which people based their actions or opinions on false information. How would the
1. 1 answer
2. 484 views
according to many social scientists ,adolescence ends for most people ?Check this site. http://en.wikipedia.org/wiki/Adolescence
1. 1 answer
2. 930 views
what are limitations that older psychology has? what is done to reduce thse limits from diminishing the value of research
1. 1 answer
2. 375 views
A conical tank( with vertex down) is 10 feet across the top and 18 feet deep. As the water flows into the tank, the change is
1. 2 answers
2. 683 views
Suppose you have $30,000 in wealth and have the choice of two possible gambles:Gamble 1: a single flip of a coin would pay you
1. 2 answers
2. 545 views
dy/dx= (2x-2xy)/(x^2+2y)Find all points on the curve where x=2. Show there is a horizontal tangent to the curve at one of those
1. 1 answer
2. 402 views
do pigs walk on their metatarsals or metacarpals?
1. 2 answers
2. 739 views
if you wanted to flex your arm, and both your biceps and triceps contracted simultaneously, what would happen?and where is most
1. 3 answers
2. 497 views
determine the open intervals on which f(x) is increasing, decreasing, concave up and concave down.f(x)= tanx, -pi/2< x< pi/2
1. 3 answers
2. 610 views
if you wanted to flex your arm, and both your biceps and triceps contracted simultaneously, what would happen?and where is most
1. 4 answers
2. 2,854 views
dy/dx= (2x-2xy)/(x^2+2y)find all points on the curve where x=2. show there is a horizontal tangent to the curve at one of those
1. 1 answer
2. 1,119 views
find the derivative ofy=2cotx+sec3x+cscX find d^2/dx^2 for 1+y=x+xy
1. 2 answers
2. 862 views
How did president Jackson change the power of the presidency?
1. 2 answers
2. 712 views
how does hemoglobin carry O2 in the blood?
1. 2 answers
2. 538 views
Average rating is 3.25Total errors 65 If average transactions in sept. is 40. What is the average key error and then write the
1. 1 answer
2. 448 views
how would you calculate the bond energy of 2h2o2?
1. 1 answer
2. 391 views
how would you calculate the bond energy of 2h2o2?
1. 3 answers
2. 647 views
How did Jackson abuse the power of the presidency through the spoils system? Is there anything in the constitution that says he
1. 2 answers
2. 635 views
what is the equation of the line whose slope is -3 and which passes through (0,5)?
1. 5 answers
2. 1,557 views
how do you do 2to the power of 0times2to the power of 5 times 2 to the -power of 2
1. 1 answer
2. 323 views
what are some good last minute studying tips?
1. 4 answers
2. 426 views
what type of of reproduction produces an offspring that is not identical to either parent, but shows characteristics of both
1. 2 answers
2. 691 views
What will the trends of immigrationsthis face look like in the year 2050?
1. 1 answer
2. 375 views
WHAT IS THE LEAST NUMBER THAT ISDIVISIBLE BY 2,3,4,5,6,9AND 10 EXPLAIN HOW YOU FOUND YOUR ANSWER
1. 5 answers
2. 1,251 views
List the top five environmental factors that help organizations achieve optimal function. Give examples of each
1. 3 answers
2. 456 views
how do the purpose and functions of the board of directors in a human services organizations affect day-to day operations
1. 2 answers
2. 490 views
Explain how a probation officer or parole officer benefits from an understanding of nonverbal communications when interviewing
1. 4 answers
2. 1,090 views
for my extended essay i need help reword a question. right now it sounds like a "book report" type question and i need it to a
1. 2 answers
2. 619 views
Can someone tell me if I did this the right way? It seemed easy but it makes me worried that I did it wrong.h is not equal to 0
1. 3 answers
2. 304 views
how did the spanish conquest affect native americans and africans?
1. 6 answers
2. 1,727 views
Sulfuric acid/ Lead Battery:-the electrodes for the battery are composed of Pb(s), PbO2, and/or PbSO4. What are the half
1. 4 answers
2. 787 views
how does band gap energy work? when dealing with voltages and color change from LEDs[depends on phosphorous percentage]
1. 1 answer
2. 334 views
Find the points on the hyperboloid x2 −y2 +2z2 = 1 where the normal line is parallel to the line that joins the points
1. 1 answer
2. 789 views
What is the pH of the solution created by combining 11.20 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
1. 2 answers
2. 544 views
If 4x2+3x+xy=2 and y(2)=–10 , find y'(2) by implicit differentiation.i keep getting the wrong answer for this problem evn when
1. 3 answers
2. 489 views
If 4x2+3x+xy=2 and y(2)=–10 , find y'(2) by implicit differentiation.i keep getting the wrong answer for this problem evn when
1. 4 answers
2. 3,206 views
how many milligrams of Na(deDTC)3H2O is needed if 70 mg of FeCl36H2O is used?my work:
1. 1 answer
2. 418 views
How do you simplifly 4x+2y+7+4x+3y
1. 1 answer
2. 347 views
Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280 lb
1. 3 answers
2. 519 views
*the line is parallel to the 3x-2y=6*the line has the same y-intercept as the line y-4=2(x+1) *line will never pass through the
1. 1 answer
2. 339 views
A computer technician has been assigned the task of cabling together five computers numbered one through 5. Computer one must be
1. 4 answers
2. 755 views
reaction between iron fillings and su lphur will form
1. 1 answer
2. 321 views
i need some one to help me with direct objects
1. 1 answer
2. 438 views
______________ means that neither gene in a gene pair (genotype) masks the other. As a result, the traits carried by the 2 genes
1. 2 answers
2. 492 views
Why are there more warm currents than cold currents?
1. 1 answer
2. 349 views
i was trying to work out the problem (1.00-x)50/15x.(x=.40g this is the answer) when i work it out i get 50-50x/15x but i dnt
1. 4 answers
2. 242 views

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