Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 68,082

**Pre-Algebra**

How do I write a scale for a scale model whose dimensions are 20 times the dimensions of the actual object?

**English Grade 11**

literate means to say letters or words while literature means to write letters or words.

**statistics**

ewrw 6546

**statistics**

You have a score on a national entrance exam of 95. What percentage of people in the population have a score that is lower than yours? (Assume the population mean is 75 and the standard deviation is 10. Use the table I passed out in class.)

**Alg/Trig**

The angle of elevation from a point on the ground to the top of a tree is 39.8 degrees. The angle of elevation from a point 51.7 ft farther back to the top of the tree is 19.7 degrees. Help find the height of the tree.

**physics **

A rock is dropped off of a bridge into the water below. If the initial velocity was zero, and the well is on Earth (g = 9.8 m/s2), and you see the splash 4.59 seconds after the rock was dropped, how high was the bridge above the water? Give your answer in meters, to the neares...

**Year 9 English**

I need an idea for a modern gothic short story! 500 words and try not to make it clique! Thankyou xx

**Physics**

An airplane pilot fell 355 m after jumping without his parachute opening. He landed in a snowbank, creating a crater 1.4 m deep, but survived with only minor injuries. Assume that the pilot's mass was 81 kg and his terminal velocity was 50 m/s. (a) Estimate the work done b...

**math**

calculate the simple interest on R1 200 at 7% p.a for 3 years using the formula simple interest

**English**

Which sentence is punctuated correctly? The contents of the box consisted of seven, long-haired kittens. Marilyn was a lively outgoing, girl. Most of the middle schoolers hang out at the old, cool ice cream shop on 23rd Street. Is it A or C?

**English**

Yes, I am. I have currently finished Scene 3 and my question is about all the scenes up to Scene 3. Based on what you have read so far, what is the one thing that always changes when a scene changes in The Diary of Anne Frank? A. the Franks' reason for hiding B. the passag...

**English**

Has anyone here read The Diary of Anne Frank?

**Maths**

THANK U SO.... MUCH

**physics**

A jet flying at 138 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 2.40 × 105 kg. Calculate the magnitude of the necessary lifting force.

**physics**

A woman is riding a Jet Ski at a speed of 20 m/s and notices a seawall straight ahead. The farthest she can lean the craft in order to make a turn is 20°. This situation is like that of a car on a curve that is banked at an angle of 20°. If she tries to make the turn w...

**CHEM**

In NX3 the N would be +3 and the X would be +1 or -1. This means that it would have to be HX and OX2 because it would have H+ and X- and O2-X- I'm not sure how you were taught but I was taught to cross the the charges.

**math**

You are a member of your high school track team and you specialize as a long-distance runner. Your event is the 1500-meter run, also known as the metric mile, which you run at a constant rate. During one particular 1500-meter race you are 1200 meters from the finish line after...

**math**

fifteen-foot board is cut into 2 1/3 foot long pieces for a bookcase. After as many pieces are cut, how long is the remaining piece?

**L.A.**

Yes, I was thinking of C, too. Thanks!

**L.A.**

Which of the following details of Scene 1 of the Diary of Anne Frank shows it is a hideout? A. The small attic in the building is visible to people in the building. B. The rooms of the building are painted or covered with curtains. C. The windows of the warehouse are painted o...

**Chemistry**

The empirical formula of a group of compounds is CHCl. Lindane, a powerful insecticide, is a member of this group. The molar mass of lindane is 290.8 g/mol. How many atoms of carbon does a molecule of lindane contain?

**chemistry**

You take an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen) with a mass of 1.00 g, combust it under an oxygen atmosphere, and collect 2.20 g of carbon dioxide and 0.400 g water. The molar mass of aspirin is between 170 and 190 g/mol. The molecular...

**English **

Hook: "When words fail, music speaks" Thesis: My favorite thing to do is listen to music. What could I make my transition sentence?

**Math**

How long is the peanut to the nearest 1 and a half inch.don callejon math

**AP Chemistry**

Which solution has the highest pH? 1. 0.1 M C6H5NH3Cl, Kb C6H5NH2 = 4.2 × 10−10 2. 0.1 M NH2(OH)2Cl, Kb NH2OH = 6.6 × 10−9 3. 0.1 M NaCl, Kb zero 4. 0.1 M NH4Cl, Kb NH3 = 1.8 × 10−5 5. 0.1 M CH3NH3Cl, Kb CH3NH2 = 5.0 × 10−4

**English**

Thanks!

**English**

These questions are from the article I posted about the woodpeckers. How would you describe the tone of the last section of the article? A. optimistic B. cautionary C. regretful D. elated B Which of the following sentences is an example of a hyperbole? A. They had proved somet...

**English**

Okay. I have another question about this article. How would you describe the tone of the last section of the article? A. optimistic B. cautionary C. regretful D. elated B

**English**

So it's B?

**English**

I have no idea for 2, but I think it is either A or B.

**English**

Back from Extinction In 2004, two biologists were canoeing in a remote part of Arkansas. They were searching for a bird that local people said was there. As the men floated along, they listened for a bird call neither had ever heard before. Then a crow-sized woodpecker flew ac...

**physics**

A 0.272- kg coffee mug rests on a table top 0.71 m above the floor. What is the potential energy of the mug with respect to the floor?

**physics 111**

a 50kg boy suspends himself from a point on a rope tied horizontally between two vertical poles.the two segments of the rope are then inclined at angle 30 degrees and 60degrees to the horizontal.the tensions in the segments of the rope is?

**English**

Fossil Flitting, flickering, flashing black, white, and a note of red passes beneath trees that were already old at the end of the Civil War. The lovely departed species announces its fearless refusal to cease to be. And as we stand in the awe of life's determination, it h...

**math**

Triangle ADE is proportional to Triangle ABC. The Length of DE is 20 Ft: the Length of AB is 6 ft. and the Length of BC is 8 Ft. What is the length of AD?

**Chemistry **

Ascorbic acid (vitamin C) is a diprotic acid having the formula H2C6H6O6. A sample of a vitamin supplement was analyzed by titrating a 0.3252 g sample dissolved in water with 0.0284 M NaOH. A volume of 13.27 mL of the base was required to completely neutralize the ascorbic aci...

**English**

But A was my original answer.

**English**

No change doesn't seem right because the sentence is in the present tense and "wanted" is in the past tense. The word "wanting" doesn't fit in grammatically.

**English**

C?

**English**

Read the passage. Choose the best way to rewrite the words in quotes. If the words are already correct, select "no change." Do you know what you "wanted" to become when you grow up? In the past, I "think" I "wished" to be a psychologist....

**English**

I will never forget the first time I "have gone" to the ocean with my family. My brother and I "were" five and seven years old. My parents took us on the Ferris wheel on the pier and "are buying" us popcorn and cotton candy. A shell I got from a s...

**physics**

A 1,160-N crate is being pushed across a level floor at a constant speed by a force vector F of 310 N at an angle of 20.0° below the horizontal, as shown in the figure (a) below.

**physics **

Two spheres are mounted on identical horizontal springs and rest on a frictionless table, as in the drawing. When the spheres are uncharged, the spacing between them is 0.05 m, and the springs are unstrained. When each sphere has a charge of +1.6 £gC, the spacing doubles...

**English**

Yes, thank you!

**English**

Yes, but I had an example in my lesson: "The team is unable to agree on new uniforms." The lesson said that the verb should be "are" because all the team members are acting individually. That's why I'm confused on the sentence I asked about.

**English**

Her father's book club "likes" Edgar Allen Poe. Is it supposed to be "likes" or "like?"

**math**

1.3m is what in millimeters

**Physics**

A 7.65- g bullet from a 9-mm pistol has a velocity of 329.0 m/s. It strikes the 0.625- kg block of a ballistic pendulum and passes completely through the block. If the block rises through a distance h = 29.75 cm, what was the velocity of the bullet as it emerged from the block?

**physics**

An accelerometer is a device that uses the extension of a spring to measure acceleration in terms of Earth's gravitational acceleration (g). What is the approximate acceleration if this accelerometer spring is extended just 0.43 centimeters?

**nutrition**

Hello?

**algebra 1**

The rocket coaster has 15 cars, some that hold 4 people and some that hold 6 people. There is a room for 72 people altogether. How many 4 passenger cars are there? How many 6 passenger cars are there?

**English**

Which one is correct? Which one is an adjective? power-thirsting or power-thirtsty

**physics**

Two 250-µF capacitors, with equal capacitances, and a 1.5-mH inductor are connected as shown in the figure. It is desired to "drive" the circuit by placing an ac generator in series with the inductor. Which output voltage for the generator will produce the larg...

**chem please..**

are we exchanging force-carrying particles when we touch something?

**please ..chem**

When you touch an object, does the electrons from your hand exchange photons with the object?

**math**

thanks for your help

**math**

So the answer is b).45

**math**

A number pattern has 75 as its first term. The rule for the patterm is subtract 6. What is the sixth term ? a).39 , b). 45 , c). 51 , d). 69. My answer is a).39

**Math help please**

But it's supposed to equal to the original equation

**Math help please**

I'm so lost on this math Hw it's over factoring variables and I don't get it. Like my teach said that we are supposed to have the number and letter in front of everything. For example: -14x^2-7x+21 For factoring I got 7x(-2x-1+3) Because my teacher told me to to co...

**distributive property**

rewrite the expresssion using the distributive property 4x (8+ m)

**english**

The audience cheers excitedly when someone makes a goal.

**english**

What is the adverb(s) in the sentence "Lacrosse is a game that is still frequently played by many"?

**ss --- check my work!!!**

@ TTR+<3 How'd you do could you help me out im doing this quiz also Plzz

**Math help**

How would you solve this factoring with two variables problem? -14x^2-7x+21 I got 7x(-2x-1+3) is that right?

**chemistry**

When you touch an object, does the electrons from your hand exchange photons with the object?

**Physics**

A car moving initially at a speed of 80 km/h and weighing 13,000 N is brought to a stop ina distance of 61 m. Find(a) the braking force and (b) the time required to stop. Assuming the same braking force, find (c) the distance and (d) the time required to stop if the car were g...

**English (Writeacher or Ms. Sue)**

Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. Read each of the following passages of descriptions of events from the play. Identify which type of irony is used in each pas...

**identify**

i am three digit odd number between 390 and 410 my three digits add up to 7 what am i

**statistics**

A psychic was tested for ESP. The psychic was presented with 400 cards face down and was asked to determine if the card was one of four symbols: a cross, a star, a circle, or a square. The psychic was correct in 120 of the cases. Let p represent the probability that the psychi...

**Quick math help**

How would you solve this factoring with two variables? -14x^2-7x+21

**LeVar Barton**

Where does LeVar Buton currently live?

**Animals **

Please, can someone help me? I am struggling with this question. What specific skills are needed to be a good animal trainer? Explain.

**statistics**

An SRS of 40 San Diego County Schools graduates showed that 26 of the 40 enrolled in a college or university right out of high school. a. Find a 90% confidence interval for the proportion of all San Diego County Schools graduates who enrolled in a college or university right o...

**LeVa Burton Children**

One more thing.... Does he have a son named Eian (Ward) Burton (Smith)? I tried looking for a picture with him and his son, but I can't seem to find one... I found a lot of his daughter.

**LeVa Burton Awards**

What awards has LeVar Burton won? I know he has like 12 emmys, but what are the emmys for? And what are the 5 NAACP & 1 Grammy Award for?

**U.S. History**

ok

**U.S. History**

in a speech you still need a thesis?

**U.S. History**

ok thank you i will writing my response when i have it

**U.S. History**

what can i write for a speech on people who opposed imperialism

**U.S. History**

people who opposed imperialism

**Math**

Whats the term called when something doubles?

**Grammar Answer Check**

Thank you.

**Grammar Answer Check**

1. friend? 2. door?

**Grammar Answer Check**

Underline the direct objects in the sentences, or extracts from sentences. 1. The next day I visited a good friend of mine. Underlined: friend of mine. 2. With everything set, I opened the small door of the fly house. Underlined: door of the fly house.

**physics**

A 72- kg ice hockey player standing on a frictionless sheet of ice throws a 5.6- kg bowling ball horizontally with a speed of 3.9 m/s. With what speed does the hockey player recoil?

**Science One Question! Help ASAP!!!**

Help ASAP!

**business and administrative comunication**

resume must be free from typos because employers:

**Literature/ English--Please, help me!**

Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. Read each of the following passages of descriptions of events from the play. Identify which type of irony is used in each pas...

**Literature/English **

Please, I am struggling with these. Can someone help me by answering them? Or at least assisting me to? Thank you in advance to anyone who are able to. Read each of the following passages of descriptions of events from the play. Identify which type of irony is used in each pas...

**chemistry**

thanks so much for your help Dr. Bob I need to know how to set up the problem. I converted gallons to liters and temperature to kelvin and the inHg to atm. Other than that, I don't know how to set up this problem

**physics**

A jet flying at 138 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 2.40 × 105 kg. Calculate the magnitude of the necessary lifting force.

**physics**

A woman is riding a Jet Ski at a speed of 20 m/s and notices a seawall straight ahead. The farthest she can lean the craft in order to make a turn is 20°. This situation is like that of a car on a curve that is banked at an angle of 20°. If she tries to make the turn w...

**algebra**

5a+5b 5(6)+5(5) 30+25 55.

**Gen.Chem2**

what mass(g) of NH3 must be dissolved in 475g of methanol to make a 0.25m solution

**physics**

A penny is placed at the outer edge of a disk (radius = 0.119 m) that rotates about an axis perpendicular to the plane of the disk at its center. The period of the rotation is 1.70 s. Find the minimum coefficient of friction necessary to allow the penny to rotate along with t...

**physics 1**

A speed skater goes around a turn that has a radius of 35 m. The skater has a speed of 14 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?

**Precalculus**

Please!! I know I posted this already but there is a typo. There are 49 mice in a pet shop. 30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short tails. 11 mice are male and have short tails. 7 mice are male but neither white nor short-...

**Chemistry**

how do I calculate theoretical yield?

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