Thursday
October 23, 2014

Posts by Alex


Total # Posts: 2,643

6th grade math
Can you check these, please? 1. George had 5 apples. His mother gave him a few more apples to share with his friends. Write an expression to represent the total number of apples George has. Ans: 5 + n 2. four times as much as a number k Ans: 4k 3. Michelle writes 15 pages in ...
October 29, 2013

english comp
After watching Roy Hargrove play the trumpet, Marcia decided that she wanted to be one.
October 25, 2013

6th grade math
Oh, okay. Thanks!
October 24, 2013

6th grade math
Can you check these problems, please? Translate each phrase into algebraic expression. 1. 5 more than D Ans: 5 + D 2. Twice a number W Ans: 2*W 3. Product of 60 and W Ans: 60*W 4. A number, N, decreased by 18 Ans: N - 18 5. 14 minus a number, M Ans: 14 - M 6. Twice a number, C...
October 24, 2013

Geometry
Find JL if JK=17-x, KL=2x-7, and K is the midpoint of JL
October 24, 2013

6th grade math
Thanks!
October 23, 2013

6th grade math
Can you check these, please? Convert each of the following verbal phrases to algebraic expressions. 1.twice the number plus 16 is 18 Ans: 2x + 16 = 18 2.the quotient of a number and ten more than fourteen is eleven Ans: (10 + 14)/x = 11? or x/10 + 14 = 11?
October 23, 2013

physics
A truck with a mass of 1.5 x 103 kg accelerates to a speed of 18.0 m/s in 12.0 s from a dead stop. Assume that the force of resistance is a constant 400.0 N during the acceleration. What is the average power developed by the truck’s engine?
October 23, 2013

6th grade math
Thanks!
October 22, 2013

6th grade math
Can you check these, please(studying order of operations). 1. Sam bought two CDs for $13 each. Sales tax for both CDs was $3. Write an expression to show how much Sam paid in all. Ans: 13*2+3 2. Alicia made 24 chocolate chip cookies and 36 sugar cookies. Then she divided all ...
October 22, 2013

Compund inequalities
all real numbers that are less than -3 or greater than or equal to 5 x<-3 or x=>5 x<5 or x=>-3* my answer x<=-3 or x>5 x<=-3 or x<=5
October 18, 2013

quantum physics
yes say 3a.i wont pass else
October 18, 2013

quantum physics
help reqd
October 18, 2013

quantum physics
@anonymous,@stuart @fred,,q3 a of quantum physics of edx,help please
October 18, 2013

quantum physics
question 3 a ...help pls
October 18, 2013

Solving inequanities
Write the solution to the inequanity in set builder notation 9t-4>32 t t>4 t t>6* my answer t t>28 t t>36
October 17, 2013

6th grade math
From Monday..Can you check the following problems, please? 1. If the ratios for microphones to karaoke machines are all equivalent, how can you find the value of x? table: microphones 3 9 15 36 karoke 1 3 x 12 Ans: x=5 (because divide each ratio by 3) 2 There are 32 students ...
October 16, 2013

Math
never mind I figured it out thanks tho
October 15, 2013

Math
can you long hand that?
October 15, 2013

Math
At a 35% off sale. Daniela purchased a dress for $94.64. What was the regular price of the dress. Please give the answer and formula.
October 15, 2013

6th grade math
I'm reposting again..Can anyone check my answers?
October 14, 2013

6th grade math
Can you check the following problems, please? 1. If the ratios for microphones to karaoke machines are all equivalent, how can you find the value of x? table: microphones 3 9 15 36 karoke 1 3 x 12 Ans: x=5 (because divide each ratio by 3) 2 There are 32 students in Mr. Santana...
October 14, 2013

Far Rockaway beach
Why are the far rockaway beach rapids so strong there? *Far Rockaway beach NY*
October 14, 2013

Probability
A survey of TV viewing habits of 50 men and 50 women found the following information: Of the 50 men, 20 prefer watching baseball and 30 prefer football. Of the 50 women, 25 prefer watching baseball and 25 prefer football. Construct a data table for this data and answer this ...
October 12, 2013

Survey Math
A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art class. Construct a data ...
October 12, 2013

Math Probabilities
A survey of TV viewing habits of 50 men and 50 women found the following information: Of the 50 men, 20 prefer watching baseball and 30 prefer football. Of the 50 women, 25 prefer watching baseball and 25 prefer football. Construct a data table for this data and answer this ...
October 12, 2013

Math
The probability of pulling a heart or a red card from a deck of cards is?
October 12, 2013

Card Probability
The probability of pulling an ace or king from a deck of cards is?
October 12, 2013

Fluid Mechanics
Consider the 2D, incompressible, steady flow between parallel walls, the bottom wall is stationary and the top one is moving at a constant velocity Uw. The pressure is constant. Assuming the flow is fully developed (i.e. independent of x), we can write ∂/∂x≡0...
October 11, 2013

6th grade math
thanks!!
October 9, 2013

6th grade math
I'm not sure how to solve this problem using unit rate. Jonathan is baking several boxes of bread. He used 9cups of water to 12 cups of flour. How much water was used per cup of flour? Ans: 9cups water/12cups flour = 3/4 cups water --is the problem solved by acutally ...
October 9, 2013

6th grade math
Thanks!! Yes, this helps.
October 8, 2013

6th grade math
Can you check these percent proportion problems? 1. 50 students got pizza at lunch. 20% of those got chocolate milk. How many students got chocolate milk? 50/n = 20/100 20n = 100*50 20n = 5000 n = 5000/20 n = 250 students 2. Mr. Ford has 45 fish in his aquarium. What is the ...
October 8, 2013

6th grade math
Hi.. i'm a little confused on using proprtion equations to solve percent problem. can you check the following? Is there a different way to solve? equation: is(part)/of(whatnumber)= %/100 1. What is 94% of 43? x/43 = 94/100 100x = 43*94 (cross multiply) 100x = 4042 x = 4042...
October 8, 2013

Math help
Eric and Mark went to a ball game and visited the concession stand. They each got a hot dog, and mark got a large soda and a bag of peanuts. Eric had a coupon for 3$ off the cost. Mark Paid for the rest, which came to 11.50. Peanuts cost 4$, and a hotdog costs 3.50. What is ...
October 7, 2013

Linear Equation
is it 2?
October 6, 2013

Linear Equation
solve for x -6x+12=-13x+10 x= -2 x= -2/7 x= -2/19 x= 2/7 I have no I idea how to answer this question. Can you give me an explanation with the answer? Thank you
October 6, 2013

6th Grade Math
Thanks!!!
October 5, 2013

6th Grade Math
Thanks again!! Last question, promise (at least for today :-).. Forgot to include this one: A 3lb pork loin can be cut into 10 pork chops of equal weight. How many ounces in each pork chop? 1 lb = 16oz (unit ratio 16oz/1lb) 3lbs x 16oz/1lb = 48 oz = 48oz/10 pork chops = 4.8oz/...
October 5, 2013

6th Grade Math
Thanks! Can you also check these? 1. Convert 18ft to yards 3ft = 1yd (unit ratio 1yd/3ft) 18ft x 1yd/3ft = 18/3 yd = 6 yds 2. Convert 2lb to ounces 1 lb = 16 oz (unit ratio 16oz/1lb) 2 lb x 16oz/1 lb = 32 oz. 3. Convert 2miles to feet 1 mi = 5280 ft (unit ratio 5280ft/1mi) = ...
October 5, 2013

6th Grade Math
Can you check my answers please? 1. Convert 2 and 3/4 qts to pints. 1 qt = 2 pints (unit ratio = 2/1) 2 and 3/4 x 2/1 = 9/4 x 2/1 = 22/4 = 5 and 1/2 pints 2. A 40-foot power boat is for sale. How long is the boat to the nearest yard? 1 ft = 3yds (unit ratio = 1/3) 40 x 1/3 = ...
October 5, 2013

Biography
How do I start my biography? I am writing about my sister, but I don't know how to start.
October 5, 2013

math
Alaska has 18 national parks. If you add zero to that number, you get the number of national parks in Virginia. How many national parks are in Virginia ? How do you know ?
October 3, 2013

Calculus
Thanks a lot Steve!
October 3, 2013

Calculus
Use the linear approximation (1+x)^k\approx 1+kx to find an approximation for the function f(x) for values of x near zero. I need help for (3+3x)^(1/3). Please help me!
October 3, 2013

6th grade grammar
Thanks again Ms. Sue!! (sorry about answer typo in #20 - 2nd phrase isn't in the sentence)
October 1, 2013

6th grade grammar
Thanks Ms. Sue!! You mentioned that there was another phrase for #2 (We were looking for the documents that were hidden under the generator.). But, I don't see it. Also, can you check these 2? 18. I kicked out the vent and we jumped from the shaft into a dumpster filled ...
October 1, 2013

6th grade grammar
I'm getting confused on finding prepositional phrases. Can you check my homework, please? Directions: Put a 'P' above the preposition. Circle object of preposition. Put a 'M' above any modifiers. Put () around prepositional phrase. 1. After we cut the fence...
October 1, 2013

physics
Kim is in a boat traveling 3.8 m/s straight across a river 240 m wide. The river is flowing at 1.6 m/s. What is Kim's resultant velocity?
October 1, 2013

physics
A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 125 m? answer in units of s
September 30, 2013

physics
A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 125 m? answer in units of s
September 30, 2013

Dice Probability
What is the probability of rolling two number cubes and having the first cube land on 2 and the second cube land on 3? I got 2/6 * 3/6 = 6/36 which becomes 1/6 1/6 probability is my answer correct?
September 30, 2013

Card Probability
When drawing a card from a deck, the P(face card and red) is:
September 30, 2013

Probability With Cards
When drawing a card from a deck, the P(king and hearts) is:
September 30, 2013

Math Probabilities
P(A or B) = P(A) + P(B) − P(A and B) when 1. A and B are mutually exclusive 2. A and B are complements 3. A and B occur together 4. A and B are dependent I am pretty confused on this one help will be great :)
September 29, 2013

Math
There are 45 candies in a bowl, 20 red and 25 yellow. If two are taken from the bowl, what is the probability they will be two red candies? here is what I have but I need help with the rest or even knowing if I am right. 20/45 25/43 25 * 20 = 500 45 * 43 = 1935 0.25839 is decimal
September 29, 2013

Probability Math
Event A has probability of 0.2 and event B has probability of 0.3. If they are independent, what is the probability that both of them happen? I can't remember how to do this one.
September 29, 2013

Math
A standard deck of cards contains 52 cards. Of these cards there are 13 of each type of suit (hearts, spades, clubs, diamonds) and 4 of each type of rank (A – K). Three cards are pulled in order from this deck of 52 playing cards. What is the probability that the cards ...
September 29, 2013

Math Probabilities
A standard deck of cards contains 52 cards. Of these cards there are 13 of each type of suit (hearts, spades, clubs, diamonds) and 4 of each type of rank (A – K). Two cards are pulled in order from this deck of 52 playing cards. What is the probability that the cards will...
September 29, 2013

Probability Math
The probability of a red candy being selected from a bowl is 0.2, and the probability of a pink frosted animal cookie being taken out of a different bowl is 0.4. What is the probability of getting both a red candy and a pink cookie?
September 27, 2013

Math
A standard deck of cards contains 52 cards. Of these cards there are 13 of each type of suit (hearts, spades, clubs, diamonds) and 4 of each type of rank (A – K). Two cards are drawn from the deck and replaced each time back into the deck. What is the probability of ...
September 27, 2013

Reading Help
Ya girl,shake that booty
September 26, 2013

Reading Help
Ok I get it now thank you Ms. Sue
September 26, 2013

Reading Help
Think about the rites of passage that individuals confront in the following literature The bass, the river, and Shelia Mant by W.D Wetherell Oranges by gary Soto I have no idea what im supposed to do here. Please help me.
September 26, 2013

Reading Help
In hanging fire the recurring line "and momma's in the bedroom with the door closed" creates a feeling of Confidence Connection Isolation Poverty Is it Isolation?
September 26, 2013

Reading The Scarlet Ibis help
Ok I Read the story Is it the Narrator?
September 26, 2013

Reading The Scarlet Ibis help
The only character who believed in doodle throughout the story of the Scarlet Ibis was Daddy Mama Aunt Nicey The narrator Is it Aunt Nicey?
September 26, 2013

physics
what is the magnitude of the average acceleration of a skier who starting from rest, reaches a speed of 8.0 m/s when going down a slope for 5.0 sec? how far does the skier travel in this time?
September 26, 2013

Geometry
Just remember to take the area of the bottom of the cylinder and then multiply it by the height of the cylinder. This is the formula for the volume of the cylinder: V=π(r^2)h Just substitute the info given into this equation. r= 1.2 cm h= 5.3 cm so V= π(1.2^2)(5.3) ...
September 24, 2013

expression help
which is the sum or difference is equivalent to the following expression 3x-2/9 *fraction*
September 24, 2013

Property help
Its accociative property of multiplication
September 24, 2013

Property help
what property is this? (3z)xy=3(zx)y is it a communative property of addition? if not what is it? thank you
September 24, 2013

Expression
(4/7)^3 *fraction* I have never done this kind of expression before. Answer 343/64 21,952 407 64/343 Is it A?
September 24, 2013

Expression Help
Thank you
September 24, 2013

Expression Help
is it C?
September 24, 2013

Expression Help
so it is C or D
September 24, 2013

Expression Help
a negative
September 24, 2013

Expression Help
Can you help me Ms. Sue?
September 24, 2013

Expression Help
simplify the following expression 1/4 *fraction* (24-16x) Answers 6+4x 6+4 6-4x 6-4 Is it A?
September 24, 2013

Art
if you have any comic books you can write an outline of the bear.
September 24, 2013

Expressions help
THANK YOU MS SUE!
September 24, 2013

Expressions help
please help I have been stuck on this question for the longest
September 24, 2013

Expressions help
I have no idea on how to do this equation please help me. What is the simplified form of the following expression 2x^2y+3x^2+4y+3x^2y+2y possible answers 1.)5x^4y^2+3x^2 2.)8x^2y+6y^2 3.)5x^2y+3x^2+6y 4.)14x^2y Is it 3?
September 24, 2013

Property help
Which property is illustrated by the following statement (3z)xy=3(zx)y Associative property of multiplication Communative property of Multiplication Inverse property of multiplication Communative of Addition My answer is commnative property of addition am I right?
September 23, 2013

Algebraic Expressions
so 7 --- 3+z
September 23, 2013

Algebraic Expressions
ic expression for the following word phrase product of 7 and the sum of 3 and z is it 3+7 ---- 7 please help Thank you
September 23, 2013

Writing: sportscast
For writing, I have to write about a football sportscast. How should I start it?
September 17, 2013

Writing
There a strong winds which are rocking the boat and there are some water leaking in on both sides.
September 11, 2013

Writing
I am doing an intro paragraph of being on a pedal boat at a bay. My writing teacher said we had to make our stories interesting and make people want to read it and be fascinated with it. So, I started with: "Ahhh!!! We're going to sink," said Elana. For my second...
September 11, 2013

Health
Jill sleeps 8 hours each night. Spends 80% working on communicating & 60% of time listening. How many hours a day does she spend listening?
September 11, 2013

6th grade math
Just wondering if you could check my answer to this question. Tell whether problem can be solved by using GCF or LCM. Then solve. Sean has 8inch pieces of toy train track and Ruth has 18 inch pieces of train track. How many of each piece would each child need to build tracks ...
September 9, 2013

math
write an integer for each solution a salary increase of $250
September 9, 2013

math
Liz is a student in Ms. Xu's class. Liz says to her classmates, "Of all the pairs of students Ms. Xu can choose as class leaders, I am included in one-tenth of those pairs." How many students are in Ms. Xu's class?
September 8, 2013

Science
what the difference between the structures of simple and complex
September 8, 2013

Writing
is great
September 7, 2013

math
write each expression using exponents ? 1)10.10.10 2)6 3)4.4.4.6.6
September 7, 2013

6th grade math
It was a little confusing to know which one to use. Is there a method for knowing the difference - like looking for keywords 'greatest' or 'smallest'?
September 4, 2013

6th grade math
Can you check the following problems? Tell if the problem can be solved by using GCF or LCM and then solve. 1. Joanne is campaigning for class president and plans to distribute 20 flyers and 16 buttons. She wants each classroom to receive an identical set of campaign materials...
September 4, 2013

biology
You need a 5 microgram glucose/ml aqueous solution, but the lab balance is accurate to only 0.01g (ie., it displays 2 digits to the right of the decimal point) Describe 2 methods by which you could accurately prepare this solution using the lab balance. I don't know what ...
September 4, 2013

order of operations
Find the value of the expression below for r=4 and t=2 t^3-r+20 divided by r 9 72 6* I chose this one 40
September 4, 2013

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