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Sammy
Questions and answers by visitors named
Sammy
Questions (336)
1. The functions of the respiratory system are (select all that apply)
A. to pump blood to your body B. to deliver oxygen to the
42 answers
asked by
Sammy
25,115 views
The Ferris wheel at a carnival has a diameter of 18m and descends to 2m above the
ground at its lowest point. Assume that a rider
5 answers
3,628 views
Water, at the rate 10 ft^3/min, is pouring into a leaky cistern whose shape is a cone 16' deep and 8' in diameter at the top. At
5 answers
5,044 views
Why are aboriginal clan systems considered a human social system?
34 answers
7,588 views
Why does changing the volume of the reaction vessel have no effect on this equilibrium?
CO(g) + Fe3O4(s) <===> CO2(g) + 3FeO(s)
5 answers
2,796 views
1) You and 3 friends go to a concert. In how many different ways can you sit in the assigned seats?
A) 6 B) 12 C) 24 D) 10 2) You
9 answers
7,305 views
Iron has a heat capacity of 0.45 J/g/◦C. If a
100 g sample of iron at an initial temperature of 50◦C absorbs 400 J of energy,
4 answers
705 views
so would the new eqaution be...
2x+8=10 then.. 2x=2 x=1? We know that y = x + 8. So if x + y = 10, then x + x + 8 = 10. but what
3 answers
662 views
A cylindrical metal can with a radius of 4.25 cm is floating upright in water. A rock is placed in the can, causing it to sink
1 answer
422 views
line BC is one side of a regular n-gon. The sides next to line BC are extended to meet at W. Find the measure of angle W in
3 answers
827 views
Among monopoly, oligopoly, Monopolistic competition, and perfect competition, how would you classify the markets for each of the
3 answers
1,565 views
50. In both monopolistic competition and non-price-discriminating monopoly, isn't the marginal revenue curve lies below the
3 answers
1,747 views
or I would think:
-5/4 you think so??? I have complety forgotton how to turn a decimal into a fraction. i have to turn : -1.25
1 answer
989 views
HOW WOULD I SOLVE SOMETHING LIKE THIS, IT IS AN EXAMPLE I MADE UP. ITS SIMILAR TO THE ONE I HAVE. I DON'T GET IT. THERE ARE TWO
1 answer
617 views
Why do people say that we should have a big breakfast and a small dinner?
Thank you for using the Jiskha Homework Help Forum.
1 answer
439 views
Im not sure how to do this.
(5q^3)(-12q^-4n^4) So far what i did was multiply 5 by -12 to get -60. Then q^3 by q^-4 to get q^-1.
1 answer
380 views
What does cupid shooy from his bow to make people fall in love?
He shoots an arrow.
1 answer
932 views
What are symbols of love. (Im doing a crossword puzzle)
_E_ _ _ S Can you fill the blanks? H E A R T S
1 answer
489 views
I need help with the following translations from english to french:
Ring- the trick is that its a crossword so the word has to
1 answer
517 views
I solved most of my questions but these stumped me:
1.) Dis a tes _ _ _ _ combien tu les amies. 2.) Ce qu'on ressent pour ses
3 answers
440 views
need to know what a card with the picture of a boy hiding behind a heart might be.
I got: Carte de _ _ _ H _ I _ _ I don't know
1 answer
506 views
For the parametric curve defined x=2t^3-12t^2-30t+9 and y=t^2-4t+6 ..find dy/dx and then where is the tangent to the curve
1 answer
589 views
sketch the curve using the parametric equation to plot the points. use an arrow to indicate the direction the curve is traced as
1 answer
598 views
What your opinion on this statement?
The only way for the Cold War to end is through eliminating one government policy. I'd say
1 answer
671 views
What your opinion on this statement?
Eliminating communist ideas in a democratic country is a contradiction. Yes it is a
1 answer
440 views
What your opinion on this statement?
If one country can develop nuclear weapons all should be able to. I'd turn it around and say
1 answer
333 views
What your opinion on this statement?
Government censorship is essential to avoid opposition. Maybe not essential, but it seems to
1 answer
440 views
What your opinion on this statement?
The only way to have a successful communist government is to have a corrupt leader. well
1 answer
359 views
I skipped algebra I so I never learned about matrices. If you had a 2X3 matrix & multiplied it by a 3X2 matrix, what size would
2 answers
587 views
On its way to Peace River, Alberta, a car enters a passing zone on the highway. The car is 25.0 m behind a truck and both
2 answers
585 views
HELP! How do I set this problem up? Im confuzzled...
Tom mows lawns and whitewashes fences during his summer vacation. He is paid
3 answers
585 views
What effect did the Mexican-American war have on the issue of slavery in the U.S.? Why did it have this effect?
Why would the
2 answers
914 views
Solve by the substitution method:
2 answers
893 views
Solve by the substitution method: 2x - 3y = 7 y = 3x - 7
4 answers
913 views
What are some international and nation public health services that someone could volunteer at?
2 answers
802 views
A watch loses 0.44 seconds every minute. How many minutes will the watch lose in 1 day?
4 answers
618 views
It's my first time using this site, but from what I have heard, it's really good. I had to write a paragraph using l'imparfait,
3 answers
553 views
Can anyone please explain to me what does it mean by "the individual approach of the artist"?
THANKS A LOT!!!!!!!!!
1 answer
355 views
(x+5)(x-1) Expand the brackets
4 answers
383 views
Abbreviations you can use for science?
1 answer
272 views
what would the x intercepts be for this equation?
y=x^2-3x-4 thanks.
3 answers
348 views
Where can i go to get a map of the world during the civil war?
5 answers
865 views
College Algebra help with logarithms!
Ln (x-4) - Ln (x+1) = 16 How do I take natural logs?? it's a study guide question for our
1 answer
472 views
Another one if you can help
Solve the formula for the indicated variable. N=a+b Ln (c/d) for c
1 answer
302 views
what country and year were these manmade stone constructions built?
The Great Wall Mount Rushmore Itaipu Dam Stonehenge and The
10 answers
276 views
What was the main trainning center during world war 1
10 answers
305 views
HOW MANY SHIPYARDS DID WE HAVE DURING WORLD WAR 1?
1 answer
319 views
What electrical appliance uses a 1.5 Volt battery?
2 answers
575 views
The Earth is surrounded by an electric field on its surface that points toward the center of the Earth with an average magnitude
2 answers
614 views
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm.
Find the elctric force on the proton
2 answers
528 views
Suppose a new type of pest, which is immune to existing pesticides, attacks the wheat crop. As a result, at a given quantity of
1 answer
389 views
There is a figure q1= 23 uC and q2= 16 uC. The force on q1 points in the -x direction.
q1 is at (0,1) q2 is at (2,0) q3 is at
1 answer
883 views
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm.
Find the elctric force on the proton
1 answer
411 views
A -3.5 uC charge experiences a 13N i hat electric force in a certain electric field.What would the force be for a proton
1 answer
479 views
There is a 85 uC point charge at the origin. What is the electric field at the point x= -45cm , y= 55cm. I am doing
2 answers
463 views
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm.
Find the elctric force on the proton
2 answers
588 views
There is a proton that is at the origin and an ion at x1=6 nm. If the electric field is zero at x2= -3 , what is the charge on
3 answers
2,134 views
There is a figure with a +2.0 UC charge on the left and a -2.0 uC charge on the right. P is in the center between the two
2 answers
487 views
There is an electric field in a certain region that is defined as E=axihat, a is N/C and x is defined by the position in meters.
1 answer
450 views
Suppose that the government decides to charge cola consumers an excise tax. Before the tax, 12 million cases of cola are sold
2 answers
943 views
There is a rod that is 50cm long and has a radius of 1cm that carries a charge of 2uC distributed uniformly over its length.
2 answers
682 views
There is a rod that is 50cm long and has a radius of 1cm that carries a charge of 2uC distributed uniformly over its length.
2 answers
715 views
If you had a 5.55 M solution of NaCL that has a density of 1.025g/ml at 20C, what would the concentration be of the solution in
1 answer
426 views
Wwhich compound does not dissociate?
a. Table sugar
1 answer
303 views
Which compound does not dissociate
a. table sugar b. NaCl C. MgCl2 D. CaCl2 I say b becasue it dissociates 90%, right?
3 answers
324 views
When salt is spread on a snow-covered road at -2C, the snow melts. Though when the same amount of salt is spread on the snow
3 answers
620 views
There is a rod that is 55 cm long and 1 cm in radius that carries a 8 uC charge that is ditributed uniformly over its entire
1 answer
471 views
The freezing point depression of a .100 m solution of NaCl solution is .34C. Calculate the percent dissociation of NaCl.( Kf for
2 answers
580 views
The demand for gasoline is less elastic in the short run than in the long run. Which of the following is a reason for this?
(A)
3 answers
932 views
Solve. 8x+4=4x+5= the solution is x=
simplify your answer. Type an integer or fraction
3 answers
684 views
Divide if possible 48/-8 select the correct choice below and fill in any answer boxes in your choice
A.48/-8= B.The answer is
1 answer
489 views
What are the seven areas or personal grooming?
1 answer
471 views
HELP!!!
Translate to an inequality. Use the variable x. The price of an amusement park ticket is greater than or equal to $12.
2 answers
865 views
What angle should you rotate a mirror so that a reflected ray rotates through 28 degrees.
I got 20, but i am not sure, please
3 answers
466 views
There is a 12mm high object that is 10 cm from a concave mirror with a focal length of 17 cm. (a) Where (B) How high, and (C)
1 answer
466 views
There is a 12mm high object that is 10 cm from a concave mirror with a focal length of 17 cm. (a) Where (B) How high, and (C)
2 answers
571 views
Could someone explain dipole-dipole forces for me?
3 answers
455 views
An object has a mass of 0.5 kg. It undergoes a simple harmonic motion. The amplitude of that motion is 0.07 m and the period is
2 answers
611 views
Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The
1 answer
660 views
Find the Rates of convergence of the following functions as h->0
lim h->0 sin h - hcosh ------------- = 0 h Find the Rates of
4 answers
1,437 views
What is the value of 3t+7 when you know -21t+1=3
I need to know how to figure this out not just the answer. Thank you
3 answers
310 views
Asked question wrong last time.
New question with description of how to figure it out please. What is the value of 3t+7 given
1 answer
456 views
Assuming it behaves as an ideal gas, calculate the temperature of a sample of He whose molecules have an average translational
3 answers
643 views
Sorry for the repost, i made a typo in the original post's subject.
A dry water well is 1.5 m in radius and 5.0 m deep. In order
1 answer
384 views
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is
2 answers
717 views
Explain how the supply of new housing interacts with shifts in the demand for owner-occupied housing in your neighbourhood or an
1 answer
499 views
A hydrogen atom consists of a positively charged proton (nucleus) and a negatively charged electron. The following is correct
3 answers
867 views
A force of 4.3 x 10-15 N acts between an electric dipole with dipole moment 2.3 x 10-29 C m and an electron.
How far away from
4 answers
946 views
If 430 mL of 0.837 M aqueous HNO3 and 23.5 g of solid Al are reacted stoichiometrically according to the balanced equation, how
2 answers
559 views
Write as fractions.
a. 1/2 of 3/4 b. 1/3 of 3/5 c. 3/4 of 1/6
3 answers
272 views
If 335g water at 65.5 degC loses 9750 J of heat, what is the final temperature of the water?
2 answers
958 views
Which measure of central tendency best describes these data?
100, 5, 90, 95, 100 A. the mode only B. the mean and the median C.
2 answers
996 views
How would increasing the volume of the reaction vessel affect these equilibria. You don't have to tell me the answers, but can
2 answers
922 views
Charlotte wants to conduct a survey to find out if the people in her town think that the town should build a new library. Which
6 answers
628 views
What would most likely happen if the Canadian government overruled the current laws protecting French language and heritage in
1 answer
460 views
Need help with an analogy.
brother : mother fly : _ _ _ _
4 answers
248 views
Analogy: broom is to sweep AS brush is to _____________ 5 letter word that starts with either scr, spr, str, or thr.
I've been
7 answers
2,144 views
2NO2. how many grams of NO2 will be produced with 5.00 moles of NO React? what would the working out of this be?
2 answers
744 views
hydrogen and oxygen gas combine explosively to produce water. write a blanced equation for this process.
if 10 mol of hydrogen
3 answers
959 views
Increasing $100 by a certain percent produces the same result as decreasing $300 by the same percent.
What is this percent?
4 answers
1,038 views
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