Pauline

This page lists questions and answers that were posted by visitors named Pauline.

Questions

The following questions were asked by visitors named Pauline.

Could anyone please give me some useful web site to learn and practise my french on? I have trouble with the tense, forming sentences,pronunciation etc.(I get confused over these stuff a lot.)and I am a beginner. Or if anyone have any advise on learning f...

a theory about moth navigation is that moths fly at a constant angle relative to a light source. a particular moth flies at 50 degrees to the light source,L, and it measures its bearing 10 times in one revolution. Hint:one revolution is 360 degrees. 10 ti...

given that 180¡ã¡ÜA¡Ü 270¡ãand tan A=3/7, what is the exact value of cos A? can someone please help ???i need to know how to solve it ! thanks!

How does a production possibilities curve illustrate how efficient an economy is?

A researcher tested the Hr that reading out loud to your unborn baby will make the baby a better reader later in life. Mothers were randomly assigned to either a silent group in which they read silently during pregnancy at their normal reading times; or a...

suppose that A=D+E and that D/A= 0.35 solve for A/E.

How do plants deal with hot temperatures?

How did industrialization change traditional society?

My spanish teacher assigned us a project to write a children's book. I wrote a sorta different version of the boy who cried wolf. Can someone please help me correct my grammar? :] (p.s. each number is a different page) El Muchacha Que Grito El Perro 1. Ér...

If it takes 16 faucets 10 hours to fill 8 tubs, how long will it take 12 faucets to fill 9 tubs?

If the length of a rectangle is increased by 120%, and its width is decreased by 20%, what happens to the area of the rectangle.

Explain why {y||y| ¡Ü 1} is the same as [-1,1].

A rock climber part way up a cliff face drops a piton and it falls for 2.0 s before hitting the ground. How high up is he?

36) Consider the following minimization problem: Min z = x1 + 2x2 s.t. x1 + x2 ≥ 300 2x1 + x2 ≥ 400 2x1 + 5x2 ≤ 750 x1, x2 ≥ 0 What is the optimal solution?

saturn has a mass of 5.68 x 10^26 kg and a radius of 6.03 x 10^7 m. a) what would be the weight of a 65.0-kg person on the surface of saturn? b) what would be the weight of a 65.0-kg person 1000 km above the surface of saturn?

Tarzan is crossing a river by swinging on a 10.0-m long vine with a breaking point of 1.0 x 10^3 N. If Tarzan's speed at the bottom of his swing is 8.0 m/s, what is the largest mass that Tarzan can have and still make it across the river? [Hint: There are...

Suppose that f(x)= square root of x and g(x)= 3x-4 and you are asked to evaluvate the composite function f(g(0)). What is the complication that occurs in trying to find that composite function value? For waht values of x is it possible to evauvate f(g(x))...

While undergoing fission, a uranium-235 nucleus with its 92 protons splits into two smaller nuclei each of which contains 46 protons and has a radius of 5.90 x 10^-15m. What is the magnitude of the repulsive force between the two nuclei just after the spl...

Three point charges lie along the x-axis: q1 at x=15m has a charge of 2.2 x 10^-9C, q2 at x=2.0m has a charge of 5.4 x 10^-9C, q3 at x=0 has a charge of 3.5 x 10^-9C. What is the net force on q3?

Two point charges of 2.0 nC and 6.0 nC are both located 1.0 m away from a third charge of 3.0 nC ("n" is the metric prefix "nano" and means 10^-9) as shown. What is the electric force (magnitude and direction) on the 3.0 nC charge? 3.0 nC O---------O 6.0...

A consumer protection group reports that 25% of 5-lb bags of sugar of a certain brand are underweight. Three bags of sugar are selected at random. Assume that the report is correct. a. What is the probability that all three bags are underweight? b. What i...

Ana Colon asks her broker to divide her 401K investment of $2000 among the International Fund, the Fixed Assets Fund, and the company stock. She decides that her investment in the International Fund should be twice her investment in company stock. During...

A baseball player is running from the at 20 ft/sec. At what rate is his distance from the home plate changing when he is 30 ft from the third base. The baseball diamond is a square 90 ft on a side.

A tank in the form of an inverted cone having an altitude of 2 meters and a base radius of 50 cm. Water if flowing into the tank at the rate of 10 cube centimeters/sec. How fast is the water level rising when the water level is 80 cm deep?

If the radius of a circle increasing at the rate of 4 cm/sec, find the rate of the increase in the area when the radius is 12 cm.

A horizontal trough is 40 cm long and its ends are in the form of an isosceles trapezoids with an altitude of 20 cm, a lower base of 20 cm and an upper base of 3 cm. Water is being poured into the trough at the rate of 5 cm/sec. How fast is the water leve...

Are retail investors or traders permitted to naked short a stock?

simplify the equation 3xsquared-4xy+ysquared /9xsquared -ysquared

Pure platinum is too soft to be used in jewelry because it scratches easily. To increase the hardness so that it can be used in jewelry, platinum is combined with other metals to form an alloy. To determine the amount of platinum in an alloy, a 7.804 g sa...

A object is placed before a converging lens. calculate the image formed if the lens as focal length of 15cm also determine the magnification of the length.

Write out all the nature and position of image formed by a convex lens or concave lens.

How to determine for an empirical formula?

A group of friends met for lunch and got four small pizzas to share each person had 1 1/3 pizzas how many friends went for lunch

Answers

The following answers were posted by visitors named Pauline.

Yes the fetus can't tell the difference in sound but this is an experiment therefore it was observed

sorry I still don't understand

ok so this would = 1.54 just too see if i got it suppose A=D=E D/A=0.75 would D/E= .25

when adding, the answer will be the same sign as the greater number

THANKYOU SOOO MUCHH! :] 5. But there was only a snail. Her dad said "only yell for help when you need it or else no one will believe you when you need help for real." 7. Her parents heard and came, but there was only a turtle. Her mom said "only yell for...

opps i forgot to type my choices sorry D: my choices are (A) 10 hours (B) 12 hours (C) 13 hours (D) 14 hours (E) 15 hours but i don't understand how you got a lower amount of time if we have less faucets and more tubs to fill?

ohhhh okay thx :]

1 km = 1000 m so (0.567 x 1000) 0.567 km = 567 m

first arrange the numbers in order: 3, 5, 6, 8, 10, 14 then find the middle number. since there are two numbers in the middle, 5 and 6, you would add them and divide by 2 so, 5+6 divide by 2 = 5.5 the answer would be 5.5

OH opps sorry xD

6 over 8 , 27 over x : 8x27= 216, 216 divided by 6= 36. Answer: 36 questions

Five questions interview about xenophobia

Hi, Where did you get K to equal (H+)(HCO3-)/(H2CO3)?

Hi, So I calculated 7.804g - 2.03g which equals to 5.774g. (Is that what you meant by a better answer?) Would it be correct if I used that (5.774g) and divide by the total mass (7.804g) so that it would become ~0.7399? And the answer would be 73.99%? I'm...

Okay. Thanks Both are my names

The answer is -15 and I am a math pro so u should listen to me

To Amber: Agreed. I came here looking for cheats, not actual work

Let f (×)= b×