Thursday

October 2, 2014

October 2, 2014

Total # Posts: 71,575

**MATH PLZ HELP**

there are 3 friends staying at my house. forgot that piece of info.
*June 4, 2014*

**MATH PLZ HELP**

I baked two dozen cookies (24)for my friends. After they came out of the oven at 2:00, I wait for them to cool. When playing video games, one friend says he needs to use the bathroom. he instead goes to the kitchen and steals one cookie. To have an excuse for going to the ...
*June 4, 2014*

**science**

As part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? can you please tell me in your perspective?
*June 4, 2014*

**english**

i think its b or c
*June 4, 2014*

**english**

Originating in Bohemia
*June 4, 2014*

**english**

Which term best describes the underlined words? Originating in Bohemia, the polka was first developed around 1830. A. infinitive phrase B. participial phrase C. gerund phrase
*June 4, 2014*

**Math**

28 - 12 = 16 16 / 12 = 4 / 3 or 4:3 C.
*June 4, 2014*

**Math**

Thank you so much, Damon.
*June 4, 2014*

**Math**

If pq = 3, then p^3q^4 + p^4q^5 = A. 12q B. 7p + 9q C. 12p + 20q D. 96p E. 108q
*June 4, 2014*

**accountancy**

1067
*June 4, 2014*

**physics**

What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?
*June 4, 2014*

**Math**

Thank you very much :).
*June 4, 2014*

**Math**

A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white? A. 1/2 B. 2 / 3 C. 3 / 4 D. 7 / 12 E. 7 / 36
*June 4, 2014*

**Geometry**

what is it?
*June 4, 2014*

**Trig**

Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees
*June 4, 2014*

**Math**

Thank you Steve.
*June 4, 2014*

**Math**

tan0 and sin0
*June 4, 2014*

**Math**

If tanè = 4 / 3, then sinè = F. 3 / 4 G. 3 / 5 H. 4 / 5 J. 5 / 3 K. 5 / 4
*June 4, 2014*

**math**

Find the total number of compounding periods and interest rate per period. Princial: $700, time period :8yrs , nomial rate: 1.5%, interest compounding :monthly, copounding amount________, compound interest_______ * i need to figure outhe compounding amount & ...
*June 4, 2014*

**assessment**

What statistical technique is often used to calculate an estimate of reliability?
*June 4, 2014*

**MATH**

Solve the fractional equation 3x/2+1/4(x-2)=10
*June 4, 2014*

**trig angle of elevation**

The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Before shooting the player decides to step back a few steps. His angle of elevation ...
*June 4, 2014*

**Math please help**

Solve the equation x^2/5 + x^1/5 -6=0
*June 4, 2014*

**Algebra **

Solve the equation 6(1/x)^2-7(1/x)+2=0
*June 4, 2014*

**Algebra**

Solve the equation x^2/5 + x^1/5 -6=0
*June 3, 2014*

**chemistry**

What is the molarity of a 28.9 g of CaCl2 dissolved in water to make up 0.78L of solution?
*June 3, 2014*

**Math**

Find the total number of compounding periods and interest rate per period. Terms investment: 6years, nomial rate: 18%, interest compounding :monthly, compounding period________, rate per period %_______ * i need to figure out the compounding period & rate per period%
*June 3, 2014*

**MATH**

Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
*June 3, 2014*

**Algebra **

Add and subtract the rational expression and simplify. -3y/8x+7y/6x -1y/12x
*June 3, 2014*

**boring math**

A business purchases a piece of equipment for $25000. The equipment will be replaced in 10 years at which time its salvage value is expected to be $2000. Write linear equation giving the value V of the equipment during the 10years.
*June 3, 2014*

**chemistry**

Calculate the molarity (M) of AlCl3 in a solution prepared by adding 0.750 L of 0.7 M AlCl3 and 0.250 L of 0.1 M AlCl3 . Assume volumes are additive
*June 3, 2014*

**random question about writing**

Im very bad at writing and my grammar is very bad too. can any writing tutor gave me tips to improve?
*June 3, 2014*

**linear math**

Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
*June 3, 2014*

**math**

simplify as much as possible. Assume that all variables represent positive real number 4x√32xv^2 + v√2x^3
*June 3, 2014*

**math**

I did make a sketch, I just used the wrong function, thank you
*June 3, 2014*

**math**

The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Determine the angle of elevation (to the nearest degree) from his eye to the center ...
*June 3, 2014*

**math**

Thank you reiny:)
*June 3, 2014*

**math**

Stuart estimates that he will need $25000 to set up a small business in 7years.How much must stuart invest at 12% interest compound quarterly to achieve goal?
*June 3, 2014*

**math 1 question!!!!!!**

Got it its B
*June 3, 2014*

**math 1 question!!!!!!**

D?
*June 3, 2014*

**math 1 question!!!!!!**

Which situation best represents a proportional relationship? (1 point) Kelly sold 2 rings for $3 and 3 rings for $6.<----- Lawrence packed 27 plates in 9 boxes and 81 plates in 27 boxes. Jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes. Francesca placed 8 pencils in...
*June 3, 2014*

**math 1 question!!!!!!**

Which is equivalent to the expression shown when a > 0 and b > 0? -21a^2b/35ab A. 3a/5 B. -3a/5 C. -3ab/5 D. 3a/5b<---
*June 3, 2014*

**math**

Direct variation Y is proportional to x. Use the x value & y value to find a linear model that relates y and x. x=5, y=9 X=11, y=1.5
*June 3, 2014*

**math 1 question!!!!!!**

Im right?
*June 3, 2014*

**math 1 question!!!!!!**

my answer is B?
*June 3, 2014*

**math 1 question!!!!!!**

A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292 1440
*June 3, 2014*

**math 1 question!!!!!!**

Tasha is going on a picnic. The probability that it will be sunny is 2/3. The probability that someone will bring potato salad is 7/9. What is the probability that it will be sunny and that someone will bring potato salad? 1/9 4/27 14/27 6/7<------
*June 3, 2014*

**MATH**

Yes
*June 3, 2014*

**MATH **

Slope : 3/2; y-intercept : (0,3)
*June 3, 2014*

**MATH Graph**

Sketch the graph of line y=1/2x+1
*June 3, 2014*

**Math**

A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292<---- 1440
*June 3, 2014*

**statistics**

the breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25. The material is considered defective if the breaking strength is less than 113 pounds. What is the probability that a single, randomly selected piece ...
*June 3, 2014*

**Physics**

Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the ...
*June 3, 2014*

**Math**

The ratio of adults to girls to boys on a class field trip was 1:4:5. If the trip included 6 more boys than girls, how many adults were with the group? A. 3 B. 4 C. 6 D. 8 E. 12
*June 3, 2014*

**physics**

and also how do you know to use the tan of 10
*June 3, 2014*

**physics**

I am confused with c where did the 45 degrees come from
*June 3, 2014*

**physics**

A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to indicate a horizontal ...
*June 3, 2014*

**Math**

Thank you
*June 3, 2014*

**Math**

J. 1.25
*June 3, 2014*

**Math**

If f(x) = x^2 + 9 and g(x) = 24 + 4x, what is the value of f(4) / g(-1)? F. 0.75 G. 0.8 H. 1.2 J. 1.25 K. 1.75
*June 3, 2014*

**Scientific notation**

a microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus as a diameter of 2 x10`-7 meter. ow Large will the diameter of te virus appear when it is viewed under te microscope?
*June 3, 2014*

**Scientific notation**

a rectngler section of land made of wheat farms has a length of 5 x 10`4 meters and a width of 6 x10`3 meters. What is the area of land in square meters?
*June 3, 2014*

**Scientific nottion**

3x10`6 square meters
*June 3, 2014*

**Math**

Thank you Reiny.
*June 3, 2014*

**Math**

Two values of m satisfy the equation |5m - 11 | - 3m = 9. What is the result when you multiply these two values together? F. 2.5 G. 2.75 H. 3.2 J. 3.75 K. 4.25
*June 3, 2014*

**math**

a clock reads 4:00 pm. how many degrees will the minute hand turn in 15 minutes?
*June 3, 2014*

**travis**

What is the IMA of this simple machine if A=5m B=11m, and C=12m
*June 3, 2014*

**Physics**

Consider the 52.0-kg mountain climber in the figure to the right. Find (a) the tension in the rope and (b) the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, ...
*June 3, 2014*

**Physics**

Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the ...
*June 3, 2014*

**Physics**

A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to indicate a horizontal ...
*June 3, 2014*

**Physics**

A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
*June 3, 2014*

**math**

Copy of Consider the charged particle S2- Match the first column with the correct number in the second column. Note: •The same number may be used more than once, if necessary.. •Not every number will be used.
*June 3, 2014*

**Math**

Thank you so much, sir.
*June 3, 2014*

**Math**

If the height of an equilateral triangle is 9, what is its area? F. 27 G. 54 H. 81 J. 27 sqrt(3) K. 54 sqrt (3)
*June 3, 2014*

**algebra**

if t equal tip and meal meal write a function using a 13% tip
*June 3, 2014*

**English**

Are sitcom titles italicized or underlined?
*June 3, 2014*

**math HELP!!!!!!**

Suppose 10% of the flights arriving at an airport arrive early, 60% arrive on time, and 30% arrive late. Valerie used the random-number table to find the experimental probability that of 5 flights, at least 2 will arrive late. The digit 0 represents flights arriving early. The...
*June 2, 2014*

**Algebra **

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
*June 2, 2014*

**Algebra **

I have about 3 homework problem that I am stuck on! please help me. #1: The area of a rectangle is 16, and its diagonal is \sqrt{68}. Find its dimensions and perimeter. (x^2)+(y^2)=\sqrt{68} (x^2)+(y^2)=8.246 xy=16 y=16/x (x^2)+(16/x)^2=8.246 (x^4)+(96/x)=8.246 Then I got ...
*June 2, 2014*

**trig**

To guard against a fall, a ladder should make an angle of 75o or less with the ground. What is the maximum height that a 20-foot ladder can reach safely to the nearest tenth of a foot? in my diagram I set it up using the sin function since I want to find the height so I did (...
*June 2, 2014*

**algebra**

you are given the 2012 value of a product and the rate at which the value is expected to change during the next 5 years. use this information to write a linear aquation that gives the dollar value V of the product in terms of the year. (let t=12 represent 2012). 2012 value $...
*June 2, 2014*

**algebra**

if jack's truck is worth $4000 now but losing 8% of its value every year, what will it be worth in 5 years
*June 2, 2014*

**physics**

a. 242.5N b. 140N c. 0.5
*June 2, 2014*

**physics**

A 280 N block rests on a 30° incline. (a) What is the normal force exerted by the incline on the block? (b) What (static) friction force is needed to prevent the block from sliding down the incline? (c) What is the minimum coefficient of static friction needed?
*June 2, 2014*

**math**

A road has a 10% grade (slope).how much does it rise if it is 2 km long?
*June 2, 2014*

**algebra 2**

Let's be rational
*June 2, 2014*

**algebra**

Which of the following represents the sum of points p and t plotted below?
*June 2, 2014*

**math**

The t-shirts for the fundraiser will cost $4.00 to make and there is a $25.00 delivery fee. There are two sized wristbands; a large one that will cost $5.00 to make, and a small one that will cost $3.00 to make. If everyone who orders wristbands orders one small and one large ...
*June 2, 2014*

**College Algebra **

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
*June 2, 2014*

**math**

a man is in a boat 2 miles from the nearest point on the coast. He is to go to point q, 3 miles down the coast and 1 mile inland. If he can row at 2 mi/h and walk 4 mi/h toward what point on the coast should he row in order to reach point q in the least time?
*June 2, 2014*

**College Algebra ..Please help**

I've figure out number #1 so I no longer need assistance on that one. But please help me with the following 4 questions. PLEASE
*June 2, 2014*

**College Algebra ..Please help**

I have about 5 homework problem that I am stuck on! please help me. The first of 5 is: A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Im not even sure where to start with this one. Next #2: The area of a rectangle is 16...
*June 2, 2014*

**Physics**

A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is the tension on the chain?
*June 2, 2014*

**College Algebra**

Thank You. I guess I was over thinking the problem a bit!lol It's my first semester and everything's so new. Thanks so much again
*June 2, 2014*

**College Algebra **

A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100) = 0 w-80 = 0 w=80 or w+100 = 0 w = -100 I think that x=80 makes more sense. However what would the length be if ...
*June 2, 2014*

**science**

can someone help me with this question from your perspective? I just need an example of how to write a similar question. Earth’s energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be used in your house. Then ...
*June 2, 2014*

**rounding**

8.530 rounded to the nearest tenth degree = 8.5
*June 2, 2014*

**math**

For number 3 I need for help on how to do that one
*June 2, 2014*

**math**

350 is the amount of students that can order wristbands
*June 2, 2014*

**math**

For number 2 I figured out the answer so I do not need help with that one.
*June 2, 2014*

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