R

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

Questions

The following questions were asked by visitors named R.

It seems as though I have forgotten where to put commas when I'm listing and using quotations... Would it be... I see words that refer to “planning”, “listing”, and “outlining”, which are sequential related. OR I see words that refer to “planning,” “listi...

If you just land in Australia no sign of civilization wat would you do to make a axe or something sharp to cut wood to make houses and such? This site tells how early people made sharp objects. http://weber.ucsd.edu/~dkjordan/arch/tools.html

In how many ways can the letters in Saskatchewan be rearranged and still maintain the order in which the vowels appear? My guess: 12!/2!3!(4!/3!) because the vowels aaea can only have four total arrangements.

For the formula Y = AX + B to make X the subject wod it be X = AY – B ?? no ax+b=y subtract b from both sides, then divide both sides by a.

What is molecule, element, and compound? What is the relationships between them?

I need help with these two math problems. i have been trying those for two hours. Can't find the answer. use grouping symbols to make each equation true. 1/2*2^3/2*4/8*4/2=1/2 64-5*1+4/8+5=3 *= multiplication is there any qucik way or any trick to solve t...

When a sample of methyl salicylate weighing 5.287 grams is burned in excess oxygen, 12.24 grams of CO2 and 2.522 grams of H2O are formed. What is the empirical formula for oil of wintergreen? I know the answer is C8H8O3, I just need help finding out how t...

i need the word for following definition: 1 incorporation of materials into organism's body 2 taking in food from the nevironment. I need the answer by tonight.

Can sombebody explain what C.E. B.C.E A.D. B.C. I know the definition for each term but I just don't get the system. It would be helpful if explanation is much clearer.

The color change of the bromothymol blue with water is caused by carbon dioxide from your breath. How can you test this hypothesis? Need answer immidiately.

It is kind of logic question that deals with math. A Contractor needs 54 square feet of bricks to construct a rectangular walkway. What does that mean? Please explain very clearly.

Could you name me a psychologist who studied empathy?

I know i am not suppose to ask this kind of question but I thought the teachers here can help me. The question is : Retaking the regent: Good or bad thing? I live under the NYCDOE. I am retaking a regent back. However, the question is that if i take regen...

An unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0°C. (the gram formula mass=85.0 grams per mole) Determine the minimum mass of NaNO3 that must be added to this unsaturated solution to make a satur...

algebra in 8th your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. how many of each type of questions are on the test?

A ball of mass oscillates on a spring with spring constant = 200 . The ball's position is described by (0.350 ) 16.0 with measured in seconds. -What is the amplitude of the ball's motion? -What is the frequency of the ball's motion? -What is the value of...

three vectos are shown in fig. 3-32. their magnitudes are given in arbitrary units. Determine the sum of the three vectors. Give the resultant in terms of (a) components, (b) magnitude and angle with the x axis. (3-32 --the figure has three rays all start...

a) If the pressure and volume of a gas both increase, will the temperature increase or decrease? b) If the pressure is doubled and the volume is tripled, by what factor must the temperature increase or decrease? c) If the pressure of the gas is decreased...

Partial balance sheets for ABC Company and additional information are provided below. ABC Company, Partial Balance Sheets, As of December 31 2009 2008 Equipment $100,000 $75,000 Accumulated depreciation (25,000) (20,000) Common stock, $5 par 180,000 100,0...

Stand on a 200 meter high building and, at noon, drop a ball. At what time does it hit the ground

In what ways is the health problem affected by the family, the economy, and the polity? What innovations could help ameliorate the health problem

A stone falls from rest from the top of a cliff. A second stone is thrown downward from the same height 3.3 s later with an initial speed of 64.68 m/s. They hit the ground at the same time. The acceleration of gravity is 9.8 m/s2 . How long does it take t...

Solve 5x^3 – 6x^2 – 4x – 8 = 0

Why would the percent recovery obtained over 100% in a an experiment dealing with the cyclic chemical reactions of copper?

An object is situated so that its center of mass is located at the origin.Three forces X,Y, and Z act on the object at the same time. Force X passes through the point (-3, -4), forve Y passes through the point (5,-12), and force Z passes throught the poin...

Two small, identical metal spheres contain excess charges of -10.0 x 10^-6 C and 6.0 x 10^-6 C, respectively. The spheres are mounted on insulated stands and placed 0.40 m apart. Determine the magnitude and direction of the force between the spheres.

This character is ma (neutral), correct? Thank you. 吗

A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. One object is a 200 g cube of copper that is initially at 85°C, and the other is a chunk of aluminum that is initially at 5°C. To the surprise of the student...

A pond with a flat bottom has a surface area of 820 m^2 and a depth of 2.0m. on a warm day, the surface water is a temperature of 25 deg C, while the bottom of the pond is at 12 deg C. Find the rate at which energy is transferred by conduction from the su...

An electrical generating plant operates at a boiler temperature of 220 deg C and exhausts the unused heat into a nearby river at 18 deg C. what is the maximum theoretical efficiency of the plant?

how to make "nous allons en classe pendant le week-end" negative

Use the following values for mass and charge: an electron has mass me = 9.11×10-31 kg and charge -e, a proton has mass mp = 1.67×10-27 kg and charge +e, an alpha particle has mass malpha = 6.65×10-27 kg and charge +2e, where e = 1.60×10-19 C. An electron...

A ball of mass 0.750 kg is attached to the end of a 1.20m long cord that can withstand a maximum tension of 50.0 N. If swung in a vertical circle, what is the maximum velocity the ball can achieve before the string breaks?

A small marble is suspended from a 45 cm string and creates a conical pendulum (like in the picture beside question #57). The marble revolves at constant speed in a horizontal circle with a 6.5 cm radius. Calculate the marble's velocity along the circle.

A compact car can achieve a maximum acceleration of 3.2 m/s^2. If dice were hanging from the rearview mirror, what angle would they swing on?

A horizontal spring with k = 45 N/m is attaches a 1.0kg block to a spring hung from the ceiling. A block is pulled down to a spot that is 30.0cm from the spring's rest position. What is it's new acceleration?

An apple (m = 125g) is attached to a vertical spring (from a ceiling) that has a k value of 55 N/m. The apple is held up so the spring is un-stretched. When the apple is released, a) how far will the spring stretch? b) How fast will it be going when it ha...

A baseball of mass 148g is travelling at 35.0m/s [E] collides with a baseball bat. the collision lasts for 1.10ms. After the collision, the baseball travels at 52m/s [W]. What is the force of the bat on the baseball

Max is throwing a 57g tennis ball upward and hitting it (with a racket) when it reaches the top of its flight. If the racket exerts an average force of 440N on the ball, find the speed of the ball after the collision (if they are in contact for 4.5ms)

A truck has a momentum of 5.8x10^4 Ns [S]. An average force of 2.2x10^3 N [S] increases the truck's momentum for the next 8.8s. What is the impulse and final speed of the truck?

The roller coaster starts with a velocity of 16 m/s. One of the riders is a small girl of mass 26 kg. Find her apparent weight when the roller coaster is at locations B and C. At these two locations, the track is circular, with the radii of curvature give...

The sled is stuck in the snow. A child pulls on the rope and finds that the sled just barely begins to move when he pulls with a force of 24 N, with the rope at an angle of θ = 33° with respect to the horizontal. The mass of the sled is 14 kg. If the chil...

Consider the stability of a ladder of mass m and length L leaning against a wall. A painter wants to be sure the ladder will not slip across the floor. He knows that the frictional force exerted by the floor on the bottom end of the ladder is needed to ke...

Let V be the volume of the solid that lies under the graph of f(x,y)= (52 − x^2 − y^2)^1/2 and above the rectangle given by 4 ≤ x ≤ 6, 0 ≤ y ≤ 4. We use the lines x = 5 and y = 2 to divide R into subrectangles. Let L and U be the Riemann sums computed usi...

Let F(x, y, z) = z tan−1(y^2)i + z^3 ln(x^2 + 10)j + zk. Find the flux of F across S, the part of the paraboloid x^2 + y^2 + z = 19 that lies above the plane z = 3 and is oriented upward. Thanks! STudying for a quiz... *tan−1 is tan^(-1)

Aiden has 7/10 cup cereal, 2 2/3 cups pretzels, 1/6 cup raisins and 2/5 cup chocolate chips to make a party mix. How much party mix will he have in all if he uses all the ingredients he has?

How to do work out C+4=-24

How many grams of HCl are formed from reaction of 3.58g of H2 with 8.90g of Cl2?

3/4 of seats in a concert hall were occupied. The ratio of adults to children was 7:3. If 90 more adults attended the concert, the number of adults would be 3 times of number of children. How many seats were in the concert hall?

Bella spent 4/7 of her money on a dictionary and 3 identical books. She spent 1/6 of the remainder on a journal that cost $7. How much did she spend on the dictionary and 3 books? If 3/8 of the cost of the dictionary was the same as 1/2 of the total cost...

If Will gives Molly $9 dollars he will have the same amount of money as her. If Molly give Will $9, the ratio of money she has to the money will has will be 1:2. How much money does will have in the beginning? Can you give me an explanation of each step,...

Problem 1: The PDF of exp(X) (6/6 points) Let X be a random variable with PDF fX. Find the PDF of the random variable Y=eX for each of the following cases: For general fX, when y>0, fY(y)= Solution: f_x(ln(y))/y When fX(x) = {1/3,0,if −2<x≤1,otherwise, we...

Standing on top of a slope of 5 degrees, i see the top of a building and an angle of elevation of 35degrees15'. i am 160cm tall and it is 12m from the building base. How tall is the building?

Your school’s marching band is performing at halftime during a football game. In the last formation, the band members form a circle 100 feet wide in the center of the field. You start at a point on the circle 100 feet from the goal line, march 3008 around...

"Half the measure of the angle is 25 more than one third the measure of the complement. Find the angle" I don't understand how to set up and solve this at all.

I was wondering if someone can identify this citation style: Author. (Date). Doc Title. Title Bar Title. Retrieved ____, 2015 from <URL ADDRESS>.

A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 4.0x10^5 W of power and is in contact with the ball for 0.70 ms and a distance of 1.4 cm. The mass of the ball is 145 g. What is the next force applied to the ball, an...

A fire truck emitting a 450 Hz signal passes by a stationary detector. The difference in frequency measured by the detector is 58 Hz. If the speed of sound is 345 m/s, how fast is the fire truck moving? The answer should be 22 m/s but I don't even know wh...

How many coulombs pass through a wire that carries a current of 3.2 A for 5.0 h? I=Q/t Q=It Q=3.2*5*60 Q=960 I am told this is not the correct answer.

Find the value(s) of k so that each function has 2, 1, and 0 roots f(x)=kx^2-9x+6 f(x)=3x^2+kx+12 f(x)=9x^2+3x+k I know to use the discriminant but am not sure where to go from there

In the question section of my chapter "Strategies for Enhancement of Food Production" i got d question "What is Quarantine? Give one example of it." I found the what is the quarantine part but didn't get examples... Not even in my book. Plz help !

I have a rectangle MNOP ~ rectangle STUV. What is the length of line TU?? First rectangle is MNOP with 10 on top and 4 on the side. Second rectangle is STUV. With the top marked X for the unknown number and n the side is 6. I need help solving this. Do yo...

Is 1.256 rational or irrational? Rational*** Irrational

1.Honour or reputation ---(is,are)dearer than life. Which of the two words is the most appropriate?

1.Some of the pie---(is,are)missing. 2.Alof the pies---(is,are)missing. Fill in the blanks with suitable forms of verbs.

1.This figure is wrong;please strike it-----(fill in with suitable preposition)

A circular parallel plate capacitor with plate radius 8.2cm and plate separation .15mm is connected in series with a 16V ideal battery and a 790 ohm resistor at t=0. At time t=2.4e-6 seconds, what is the induced magnetic field that lies along the outer ed...

What volume, in liters, of 1.09 M KOH solution should be added to a 0.102 L solution containing 9.35 g of glutamic acid hydrochloride (Glu, FW = 183.59 g/mol; pKa1 = 2.23, pKa2 = 4.42, pKa3 = 9.95) to get to pH 10.26? Should I start with molar concentrati...

Aqueous sulfurous acid H2SO3 and aqueous sodium chloride are formed by the reaction of aqueous sodium sulfite Na2SO3 and aqueous hydrochloric acid HCl . Write a balanced chemical equation for this reaction.

Solve (degrees): 3sin^2(x)-11sin(x)-4=0 It's just a quadratic but doesnt wprk?

A student followed the procedure given in the lab exercise to determine the ascorbic acid content in a commercial vitamin C tablet. The students prepared the solution using a 0.460 g vitamin C tablet. The titration required 40.00 mL of the 0.005 M KIO3/KI...

Two cars, car X and car Y , start moving from the same point P on a cross intersection. Car X is travelling east and car Y is travelling north. Some time later car X is 60 km east of point P and travelling in an easterly direction at 80 km/h and car Y is...

We want to construct a closed rectangular box whose base has a length three times the width. The surface area has to be 600 cm2. Determine the dimensions of the box that will produce the largest volume.

f(x)=−x3 −x2 +16x+16 1. Calculate f′(x). 2. Calculate f′′(x). 3. Find the x values such that f(x) = 0. Note: this can be done by factoring. 4. Find the stationary point/s. Note: a point requires x and y coordinates. 5. Determine the nature of this/these p...

Juliya is 5 years younger than her brother,Tom.how old are they if the product of their ages is 126?

Consider the following cubic curve: f(x)=−x3 −x2 +16x+16 1. Calculate f′(x). 2. Calculate f′′(x). 3. Find the x values such that f(x) = 0.

Given: sin x = 4/5, 0 < x < π/2 sin y = 5/13, π/2 < y < π Find the exact value of sin(x + y) I presume I'm supposed to use the sum and difference formulas but I'm not sure how to get the exactly value of cos x or cos y

∫ (4x+4)(x^2-2x-3)^2/3 dx

A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in proceeds of $20 000 for the week. The number of s...

An isosceles triangle has a height of 12.5 m (measured from the unequal side) and two equal angles that measure 55°. Determine the area of the triangle. Split in half the triangle is a right triangle, so it's three angles are 90%, 55% and 70%. I'm still n...

A playground is to be constructed at the back of a daycare center using 164 feet of fencing. The back of the building will serve as one of the long sides of the playground. The playground is to have a length 6 feet longer than its width. Find the dimensio...

Michael and his sister Jane left their house at the same time going in the opposite direction. Michael drove at an average speed of 40 mph, while Jane drove at an average speed of 35 mph. After how many hours were they 400 miles apart?

why is promoting excellence important?

Anabolic steroids can cause growth of facial hair for men. True False* Overdosing when using steroids can lead to death. True * False

What kind of equation is 15x=3y linear equation. Inverse variation. Direct variation or joint variation?

Does ln((e^u)+(e^v))=u+v or uv? Thanks for clarifying!

What would ln(e^u+e^v) equal?

The speed of sound in air is 343m/s at 20°C. What is the speed of sound at 1000°C?

dydt=10−0.2y, y(0)=10. a. Solve this differential equation, I tried solving it and I keep on getting 10. I dont know how to approach this question

Answers

The following answers were posted by visitors named R.

the expriment was fill half-a testube with water. then, add 5 drops of bromothymol blue. then, blow it until the color change. initial color was green. the color changed to yellow.now, The color change of the bromothymol blue with water is caused by carbo...

However, can I do the following: I pour some water in a test tube and apply a pH paper. Then, I blow in the water. If the color changes, then we can be sure that carbon dioxide can change alkalinity or acidity of water. Let me know what you think. I do no...

dimension you mean length and width. And, Then, when you mulitply them, you should get 54. The whole question is that Contractor need 54 square feet of brick for rectangular walkway. The length of the walkway is 15 feet more than the width. Write an equat...

Sign A Partition

It will be really appreciated for answering the question.

I apologize for being impatient

hahaha wow these are some immature people on here

Ms Sue you are immature for saying what you said" what a good to get an education but answers" as if you are a person that loves to get into peoples business mind your own

CH3CH2C(=O)CH2CH3

Haha... Same school, KNHS. Global Warming or something is what I used.

Random-gain values: 50-20 = 30 ; -20 Probabilities: 1/60 ; 59/60 ----------- E(gain)= 30(1/60)-20(59/60) = 1/2 - (59/3)= (3-59)/6 = -$9.33 ---- A fair price would be 20-9.33 = $10.67

greater than 3: 3/6=1/2 less than 5: 4/6=2/3

You have 3/14 and you're comparing that to 0.3. This means you will have to convert .3 to a fraction. Find the common denominator. You will clearly see the answer. Remember, whenever your numerators are the same, the number with the larger denominator is...

Damon, I think you misunderstood me. I realize that .3 is equivalent to 3/10. I was answering the question, not responding to YOUR answer.

I made a mistake on my answer. A larger denominator would be the smaller number if the numerators are the same.

"The cytoplasm gives the cell its shape"

Please tell me what you don't understand, Dani.

Okay. For this type of problem, you'll need to make sure your two numbers can compare. This means you're going to have to change your decimal (.3) to a fraction. .3 is said, "three tenths," So you take your 3 and but it over the 10 (3/10). Now you have 3/...

You're welcome! Sorry I couldn't explain it to you better earlier.

Would the answer be B because the temperatures are denoted in deg C? 556K - 273 = 283 deg C.

his test in particular is outrageous. I too am in Connections and have attended every live lesson none of which prepared me for this exam. It is very, very objective with the questions being non specific of which I can argue more thanone possible answe an...

Put two in opposite corners, then two on each side. The corners ones touch two sides....resulting in three marbles on each side.

In rabbits, there are four different versions of gene for coat color. What pattern of inheritance is this?

^^ That is incorrect

Rocky Mountains

A: .0172 B : 36.4

Ms. Sue is a nasty piece of work.

Thanks, Steve :D

Group C ate 4/6 of a pizza, or 2/3. Checks out: Grp A = 6/6 (1 pizza); Grp B = 8/6 (1 1/3 pizzas); Grp C = 2/3 of a pizza. The info provided means we can solve for the portions of pizzas consumed, but not in "units" of slices. Check by adding up the fract...

*300 degrees around the circle

I have come to believe the answer given was wrong after seeing so many other errors in the answers.

You know: l = w + 8 P = 54 = 2(w + l) plug w + 8 in to the perimeter equation

g/mols is the molar mass of the substance. You can find the molar mass by taking the sum of the atomic masses in the substance.

Write out your balanced equation for the reaction first. 2Na + Cl2 --> 2NaCl ? 142g 234g Mols of Cl2 142g / 71 g/mole = 2 mol of Cl2 Because of the balanced equation, one mol of Cl2 requires 2 mols of Na for all of the chlorine to be used up ... 4 mol of...

I still can't believe Marshawn Lynch didn't run the ball

Thankyou so much for your help..

A circular parallel plate capacitor with plate radius 8.2cm and plate separation .15mm is connected in series with a 16V ideal battery and a 790 ohm resistor at t=0. At time t=2.4e-6 seconds, what is the induced magnetic field that lies along the outer ed...

How do I evaluate sinx-4 since I can't do arcsin4. How do I interpret that?

Cause they wanted to be rich to get gold, silver, and slaves for them selfs.

What is the formula of the compound formed between the ions CO32- and Ni2+

Thank you so much guys!!! You guys are awesome! I do have a few more other math problems, should I post them online or ask you directly? Thanks again!

Hi Steve, thanks for your reply. Yes, it was a typo and your 2nd assumption was right. Please help, thanks! ∫(4x+4)(x^2+2x-3)^(2/3) dx

Yes. Thank you.

The answer is not C. At the beginning, she had C. Then she used half of it: what does she have at this point? Then, she gets $20: so she has 20 + what she had at the last stage = $38. You should be able to work out the answer by yourself by spending a bit...

A blue ball is thrown upward with an initial speed of 23 m/s, from a height of 0.5 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6.6 m/s from a height of 28.9 meters above the ground...

I got a 10 thanks a lot

I go to Connections Academy and the answers are right it is Dacbb

The real right awser are D B D C A A D D A B C C C B B

The anwers are abcb

This is wrong because asking how many FRUITS and VEGETABLES shows bias, try just asking how much and what they eat on a daily basis

I'll get you started on this, so for A. the object would be sitting at rest.

What would ln(e^u+e^v) equal then?

I can give you a hint. The numbers are increasing in an addition pattern. They are added by a number.

Do I plug in 0 for t?

34 divided by 15 doesn't give you 6.8

why are there so many columns in the example. i'm really confused can someone help me

no the answer should be C

I just barely took this, these are the right answers!!! Connections Academy Exosolar Planets (put in the order of the questions above, they're in a different order with the quiz) 1. C More massive than Jupiter 2. B Kepler 3. B In less than 50 days 4. A ex...

I got y = (x+3) (x+2)

Please put solution clearly now

You are correct, it's C, Inflation occurs as the economy expands.

Im think it's false?

how do i do this question?

Yes it's quadratic 24x.R

How'd u get to 65 tho?

What is it guys?

Buddhism is a fairly popular religion in Asia to this day, Watch the "Crash corse" Video on it, it is super helpful.

5 Is actually D

Yo I need these answers today can somebody help and they do change spots

P is the hypotenuse of a right triangle. You know how to calculate that.

John has 0 cows

Omar shaded a model to show part of a lawn that he finished mowing what fraction names is shaded part explain how you know to write the fraction