Saturday

September 5, 2015
Total # Posts: 83,895

**Math**

If x = 8 which of the following is correct? A. -x + 11 ≤ -3 B. 5 × 2x > 82 C. x ÷ -2 = 4 D. 3x + 6 ≤ 32
*June 26, 2015*

**Math**

x>20
*June 26, 2015*

**Math**

Write an inequality for the following statement: Caroline has more than 20 pairs of shoes in her closet. A. x=20 B. x>20 C. x≥20 D. x<20
*June 26, 2015*

**Pre Calculus**

Let θ be an angle in quadrant IV such that cosθ = 4/9. Find the exact values of csc θ and cot θ. I am just completely lost! Thanks!
*June 26, 2015*

**Math**

Which equation represents the solution to the following? I have some lemons. Jill has two more limes than five times the number of lemons that I have. Emma has one-third as many limes as Jill. Emma has 4 limes. How many lemons do I have?
*June 26, 2015*

**aero**

what are in flight vectors?
*June 26, 2015*

**Grammar**

Which is correct? And why? She should not do this nor that. Or She should not do this or that. Or vs Nor..
*June 26, 2015*

**Math**

Ms. Sue did I do something wrong; please let me know about the answers I provided to you. Thank you.
*June 26, 2015*

**Math**

I know so I do not know because according to my answers none of them is right. I probably did something wrong.
*June 26, 2015*

**Math**

A. 3≤-3 B. 80>82 C. -4=4 D. 30≤32 I think the right one is D
*June 26, 2015*

**Math**

If x = 8 which of the following is correct? A. -x + 11 ≤ -3 B. 5 × 2x > 82 C. x ÷ -2 = 4 D. 3x + 6 ≤ 32
*June 26, 2015*

**Math**

Write an inequality for the following statement: Karl sent Kim at least 5 letters while he was away on vacation. A. k=5 B. k>5 C. k≥5 D. k≤5
*June 26, 2015*

**Math**

Solve for c. 3c/4 - 1 > 1
*June 26, 2015*

**math**

find a ratio equal than the ratio given 12:7
*June 25, 2015*

**maths**

find series solution of the differential equation y"+3x^2y'-xy=0
*June 25, 2015*

**mathematics**

What is the product of 324 and 46?
*June 25, 2015*

**physics**

Ican Flye performs the infamous "Triple Lindy" dive from a point 15 m above water. a. If he starts his dive with no vertical velocity, how long will it take him to hit the water? b. How fast will he be traveling vertically when he hits the water? c. If he hits the ...
*June 25, 2015*

**advanced algebra**

6.1
*June 24, 2015*

**advanced algebra**

A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation mc010-1.jpg to model the situation. Most recently, the scientist counted 138 plants. Assuming there are no limiting...
*June 24, 2015*

**Math**

Thank you Ms. Sue
*June 24, 2015*

**Math**

I think B.
*June 24, 2015*

**Math**

Which is the best way to obtain a random sample when surveying a high school with 800 students about what to serve in the cafeteria. A.Only ask the 11th grade class. B.Draw a list of 50 students from a bowl with every student's name in it. C.Ask everyone who takes French ...
*June 24, 2015*

**Math **

I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so log2√...
*June 24, 2015*

**Math**

A teacher is collecting data about students. Which of the following is a random sample. A.Students known by the teacher B.Students not known by the teacher C.Students using the library at lunch D.None of the answers are correct
*June 24, 2015*

**Math **

I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so log2√...
*June 24, 2015*

**Math**

I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so log2√...
*June 24, 2015*

**business math115**

915.00
*June 24, 2015*

**Chemistry**

You may have noticed that when water boils, you can see bubbles that rise to the surface of the water. a. What is inside these bubbles? i. air ii. hydrogen and oxygen gas iii. oxygen gas iv. water gas v. carbon dioxide gas
*June 24, 2015*

**Math**

log2√36 - log2√72 I am not sure how to do this question. I need an explanation.
*June 24, 2015*

**algebra**

ohhhh okay
*June 24, 2015*

**algebra**

I have to write an expression to represent
*June 24, 2015*

**algebra**

Ten less than the product of three and a number x. my answer is 10-3x
*June 24, 2015*

**algebra**

my answer is 3-2x
*June 24, 2015*

**algebra**

Write an expression to represent: Three minus the product of two and a number x.
*June 24, 2015*

**algebra**

Can you help me with another?
*June 24, 2015*

**algebra**

Thanks!
*June 24, 2015*

**algebra**

7 + 1x ?
*June 24, 2015*

**algebra**

I don't have an answer. I don't even have an idea of what the answer could be.
*June 24, 2015*

**algebra**

Write an expression to represent: Seven more than the product of one and a number x.
*June 24, 2015*

**algebra**

Writing expressions with variables Five less than the product of four and a number x.
*June 24, 2015*

**algebra**

Write an expression to represent Five minus the product of three and a number x
*June 24, 2015*

**algebra**

write an expression to represent Four minus the product of three and a number x
*June 24, 2015*

**algebra**

Writing expressions with variables One more than the product of three and a number x
*June 24, 2015*

**Math**

A coffee can has a volume of 137.375 cubic inches and a height of 7 inches. Find the circumference of this coffee can.
*June 24, 2015*

**Math**

The area of a rectangular prism's base is 25 square inches and its height is 10 inches. Find the volume of this rectangular prism.
*June 24, 2015*

**Math**

A can of soda has a volume of 35.325 cubic inches and a height of 5 inches. What is the radius of this can.
*June 23, 2015*

**Math**

1/9
*June 23, 2015*

**math**

-2(3-5+2) -2*-2+2 0
*June 23, 2015*

**Physics**

A object 0.25mm long is viewed through a converging lens.calculate the distance of the object from the lens,size of the image,power of the lens
*June 23, 2015*

**life orientation **

In about one page,describe a recent service delivery protest in rural areas or in the neighbourhood
*June 23, 2015*

**english 3**

A clause that tells how, when, where, or to what extent something was done is a(n) _____.
*June 23, 2015*

**Physics**

Please help. To cool a hot bath containing 50L of water at 50 degrees Celsius down to 20degrees Celsius, what volume of cold water at 5 degrees Celsius would be needed? (in litres) and what mass of ice at 0 degrees celcius would be needed? i'm thinking about using q=...
*June 23, 2015*

**Math**

What is true about a cylinder: A. The base is equal to 360° B. There are three parallel planes C. The surfaces are on the shape on a polygon D.There is more than one vertex
*June 22, 2015*

**algebra**

Country A has a growth rate of 3.7% per year. The population is currently 5,422,000 and the land area of Country A is 29,000,000,000 square yards. Assuming this growth rate continues and is exponential, after how long will there be one person for every square yard of land?
*June 22, 2015*

**algebra**

In mc021-2.jpg, LM = 11 and mc021-3.jpg. Find KL. Leave your answer in simplest radical form
*June 22, 2015*

**physics**

what acceleration is imported to a football when the player kicked it with a force of 25 N mass of football 0.40kg
*June 22, 2015*

**mathematics**

9/3=?
*June 22, 2015*

**math-urgent**

so this is for a diff eq class. how did you use differential equations to come up with that height equation?
*June 21, 2015*

**math-urgent**

A ball with a mass 0.15kg is thrown upward with an initial velocity 20m/s from the roof of a building 30m high. Neglect air resistance. Find the max height above the ground that the ball reaches. Assuming the ball misses the building find the time that it hits the ground
*June 21, 2015*

**calculus**

The base of a solid is the circle x2 + y2 = 9. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in cubic units, of the solid?
*June 21, 2015*

**physics**

A baseball is thrown from the roof of a 24.0-m-tall building with an initial velocity of magnitude 10.0 m/s and directed at an angle of 53.1° above the horizontal.
*June 21, 2015*

**Economics **

Pretend you are a superintendent of a school district and you have to hire new teachers and cut a few substitute teachers. If the number of substitute teachers you release is greater than the number of new teachers you plan to hire, explain to the school board how you plan to ...
*June 20, 2015*

**Math**

Thank you
*June 20, 2015*

**Math**

yes Mrs. Sue
*June 20, 2015*

**Math**

16= (x+2) x 4/2
*June 20, 2015*

**algebra homework**

For one performance of a play, 416 tickets were sold. Reserved seat tickets sold for $14 each, and general admission tickets sold for $8 each. Receipts from the sale of the tickets totaled $4840. Find the number of general admission tickets sold.
*June 20, 2015*

**homework**

The Buckingham Fountain in Chicago shoots water from a nozzle at the base of the fountain. The height h, in feet, of the water above the ground t seconds after it leaves the nozzle is given by the function h(t) = –16t2 + 90t + 15. What is the maximum height of the water? ...
*June 20, 2015*

**Homework**

Find the equation of the line that contains the point (0, 4) and is parallel to the line 3x – 4y = 8.
*June 20, 2015*

**Homework**

For one performance of a play, 416 tickets were sold. Reserved seat tickets sold for $14 each, and general admission tickets sold for $8 each. Receipts from the sale of the tickets totaled $4840. Find the number of general admission tickets sold.
*June 20, 2015*

**Finance**

Assume a 30-month CD purchased for pays simple interest at an annual rate of 5.5%. 1. How much total interest does it earn? 2. What is the balance at maturity? (2 decimal places)
*June 20, 2015*

**homewrok**

Two hundred trout were tagged and then released into a pond. Later 60 trout were caught and examined, and 8 of the 60 trout were found to have tags. Estimate the number of trout in the pond.
*June 20, 2015*

**algebra**

1.) (3x + 4)(x - 2) a.) 3x^2 - 2x - 8 b.) x - 8 c.) 3x^2 + 2x +8 d.) 3x^2 + 2x +8 2.) (2y - 1)(4y - 3) a.) -2y + 3 b.) 8y^2 -10y - 3 c.) 8y^2 -10y + 3 d.) 8y^2 - 2y + 3
*June 20, 2015*

**Economics**

d a b c e
*June 19, 2015*

**Economics**

a c b d e
*June 19, 2015*

**Spanish **

Hi, would someone be able to proofread this for me, please??? No tenía ningún problema en el mundo cuando era más joven. Viajaba por lo menos una vez al mes. Volaba de Nuevo México Y Arizona mucho. Soy originalmente de Arizona, pero la vivía ...
*June 19, 2015*

**life orientation**

draw up any five interview question you will use to evaluate the understanding of service delivery protest
*June 19, 2015*

**math**

can someone elxplai to me how to solve this differential equation. dy/dx= (x^2+3y^2)/2xy
*June 18, 2015*

**Chemistry**

PLS HELP ME(1)Write a balanced equation in each case dilute hydrochloric reacts with[i]ZnCO3[ii]CuCO3 (2)Discuss how hydrocarbons contribute to the formation of ozone in the atmosphere.I'M CONFUSED I NEED HELP!
*June 18, 2015*

**Statistics**

A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective? Cholesterol Decreased No Cholesterol Decrease Total Treatment 38 ...
*June 18, 2015*

**Statistics**

A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective? What is the Null and alternative hypothesis.
*June 18, 2015*

**physics**

A student of weight 810 N was sent to another planet called Nerdland. If Nerdland has a mass that is 4 X the mass of the earth and a radius that is 1/2 the radius of the earth, what would be the mass in kg of the student when on Nerdland? what would be the weight in N of the ...
*June 18, 2015*

**psy410**

parkinson's disease huntingtons disease and alzheimers disease are all types of major neurocognitive disorder
*June 18, 2015*

**Ethics**

Traits of character that dispose a person to act in a moral fashion are typically referred to as:
*June 18, 2015*

**Math**

The cost of a video game is $29.95 and sales tax is 6%. About how much will the game cost, including tax?
*June 17, 2015*

**science**

iujgg
*June 17, 2015*

**Math**

Kristine made 4.9% of her 3-point shots last basketball season. She attempted forty 3-point shots in all. About how many points did she score from just 3-point shots?
*June 17, 2015*

**Math**

113
*June 17, 2015*

**Math**

Of the 597 students at Duzine Elementary School, 19% have a computer at home. About how many students have a computer at home?
*June 17, 2015*

**Math**

There are 1,500 animals living at the zoo.15% of the animals have feathers. How many animals at the zoo have feathers?
*June 17, 2015*

**CAPM**

choose two other companies,look up their beta and report the names of these companies and their betas. suppose you invest one third of your money in each of the stocks of these companies. what will the beta portfolio be? given the data in (b), what will the expected rate of ...
*June 17, 2015*

**school**

If 30 % of students in middle school 15 % of those in music are in choir what % of the whole school is in choir
*June 17, 2015*

**logical statements-urgent**

I have to come up with a logical statement when making a truth table that has these conditions: The statement is always false if both P and Q are true. Otherwise, the statement is true if Q is true but R is not true. so far I have ~(P&Q) which makes it false if both P and Q ...
*June 17, 2015*

**English 1**

What did the author of “The Cold Equations” most likely want you to believe? What examples from the story make you think this? Explain your answer in three to five sentences.
*June 17, 2015*

**math help please **

Sue Stitch buys a sewing machine. The price, including tax, is $575.00. She finances the sewing machine over 24 months after making a $25 down payment. The true annual interest rate is 15%. What are Sue's monthly payments (principal plus interest)? To the nearest penny, c...
*June 17, 2015*

**algebra**

Can you explain this? An intercept of the quadratic graph is the same as the root of quadratic equation. You have to find out the discriminant. If the discriminant is positive, you have two roots which equals two intercepts. If it is zero, there is one root which equals one ...
*June 17, 2015*

**Calculus**

Ahhhhh! Okay awesome! Thank you! Makes so much sense!
*June 17, 2015*

**Calculus**

Suppose that the temperature of the environment is 2 degrees and the initial temperature of the object is 25 degrees. After 10 minutes the temperature of the object is observed to be 17 degrees. what is the temperature of the object after 30 minutes? after how many minutes is ...
*June 17, 2015*

**Calculus**

Okay, so I worked out 17 = T(10) = 2 + 23e ^10k 15/23 = e^10k k= 1/10ln(15/23) k = - 0.043 But when I do this equation 17 = T(30) = 2 + 23e^30k 15/23 = e^30k k = 1/30ln(15/23) k = -0.142 But the answer is apparently 8.38? Can someone please help. I think I'm getting too ...
*June 17, 2015*