Tuesday

February 9, 2016
Total # Posts: 91,417

**Geometry**

ktvi7tl87t
*February 1, 2016*

**Maths**

If 12 is subtracted from three times a number the result is equal to two-thirds of the number plus 16.What is the number
*February 1, 2016*

**Math**

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 How do I solve it? Please help
*February 1, 2016*

**maths**

the sum of the first nine terms of an arithmetic sequence 216. The 1st, 3rd and 7th terms form the first three terms of a geometric sequence therefore find the common difference
*February 1, 2016*

**Bla**

Ilena added 10 g of sugar to 50 ml of tea . What is the concentration of sugr in her tea Please help me
*February 1, 2016*

**math**

How many five digit numbers can be formed for the set { 0,1,2,3,4,5,6,7,8,9} if zero cannot be the first digit and the given condition for each is to be satisfied? A. Repetitions are allowed and the number must be even. B. Repetitions are allowed and number must be divisible ...
*February 1, 2016*

**activity**

particle that can be drawn closer to accupy smaller valume?
*February 1, 2016*

**activity**

which of the following Phenomena does NOT involve the application of gas pressure?
*February 1, 2016*

**Chemistry**

Of the following (a through e), which increase and which decrease, as the strength of the attractive noncovalent interactions increases? Explain. a) Deviations from the ideal ga law b) Boiling Temperature c) Sublimation temperature d) Vapor Pressure e) The energy it takes to ...
*January 31, 2016*

**Physics**

An air-filled parallel plate capacitor has a capacitance of 37 pF. (a) What is the separation of the plates if each plate has an area of 0.8 m2? (cm) (b) If the region between the plates is filled with a material with κ = 5.0, what is the final capacitance? (pF)
*January 31, 2016*

**Physics**

(a) What is the electric potential V at a distance r = 3.1 10-8 cm from a proton? (V) (b) What is the electric potential energy in units J and eV of an electron at the given distance from the proton? (J) (eV)
*January 31, 2016*

**Physics**

We study the three point charges. They are held at the corners of an equilateral triangle with ℓ = 0.7 m. What is the electric potential energy of the system of three point charges? Use for the three charges q1 = +2Q, q2 = −3Q, q3 = +Q, where Q = 120 nC
*January 31, 2016*

**Algebra**

A rectangular garden has a walk around it of width x. The garden is 20 ft by 15 ft. Write a function representing the combined area, A(x), of the garden and walk. Write as a polynomial is standard form.
*January 31, 2016*

**Math**

Solve the equations below. Check your solutions. 3x-5/2=4x+1/4
*January 31, 2016*

**english**

“I wanted to go to Yellow Stone National Park with the group, but I did not have enough vacation time.” This sentence is ________. incorrect correct comma splice a run-on an incomplete sentence
*January 31, 2016*

**Physics**

Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 59.0 ∘. Rover exerts a force of 390 N and Fido exerts a force of 240 N . 1 Find the magnitude of the resultant force. 2 Find the angle the resultant force makes with Rover's rope.
*January 31, 2016*

**Chemistry**

A weather balloon is inflated with helium to a volume of 28.1 L at a pressure of 754 torr and a temperature of 26.0 Celsius. The balloon rises in the atmosphere to an altitude where the pressure is 380 torr and the temperature is -16.1 degree Celsius. 1. Calculate the number ...
*January 31, 2016*

**Chemistry**

A 1.0 L ball containing Ar at 5 atm is connected to a 10.0 L ball containing N2 at 2 atm. a) Calculate the partial pressure and mole fractions of argon and nitrogen after the valve is opened and the gases are allowed to mix (they fill the balls on both sides). b) What is the ...
*January 31, 2016*

**Maths**

If 12 is subtracted from three times a number the result is equal to two-thirds of the number plus 16.What is the number
*January 31, 2016*

**math**

Suppose P is the experimental probability of a certain event occurring, based on 100 trials. Which of the following is the correct formula for calculating P?
*January 31, 2016*

**QMB**

Two training classes took a test and the results were marked on the scale zero to one hundred. The first group got an average score of 75, with the standard deviation of 8. The second group got an average of 65, with the standard deviation of 4. How do these two groups compare?
*January 31, 2016*

**Quantitative methods**

Two training classes took a test and the results were marked on the scale zero to one hundred. The first group got an average score of 75, with the standard deviation of 8. The second group got an average of 65, with the standard deviation of 4. How do these two groups compare?
*January 31, 2016*

**science**

1. The liquid part of the blood is called _____. (1 point) hemoglobin plasma platelets white blood cells 2. Your circulatory system can best be compared to _____. (1 point) gates a net pipes a balloon 3. Which of the following shows the correct order of blood flow? (1 point) ...
*January 31, 2016*

**science**

Which of the following describes Joseph Lister’s role in discovery and prevention of disease? (1 point) recognized the relationship between disease and cleanliness discovered that microorganisms cause disease in humans invented pasteurization developed a series of methods...
*January 31, 2016*

**Math**

184 seventh graders are going on a field trip. There needs to be one chaperone for every four students. If a bus can hold 50 people, how many busses will they need for their trip? Explain your thinking.
*January 31, 2016*

**Technical drawing**

On a base of 42mm length of the side opposite this angle is 84mm
*January 31, 2016*

**Science**

Explain how coal is useful in the production of iron and aluminium.
*January 30, 2016*

**English**

Which is correct? Here are the address and possible ideas. Here is the address and possible ideas.
*January 30, 2016*

**science**

vaccination
*January 30, 2016*

**science**

Which is not part of your immune system's response to a disease-causing organism? vaccination recognition disposal immunity vaccination right
*January 30, 2016*

**algebra**

solve the equation 2logx+log4=2 Can someone walk me through this
*January 30, 2016*

**History**

What colonial body created the declaration of independence? A.)The first Contential Congress B.) 2nd Contential Congress C.)Colonial Assembly D.) The Constitutional Convention
*January 30, 2016*

**History**

what are two terms for agreemants between the settlers of the colonial that set up a form of government ?( during the colonial period)? A.)Parliaments& Parchments B.) Pinky Swears & Blood Oaths C.) Compacts & Covenants D.) Constitutions & Confederations
*January 30, 2016*

**Math**

Madison and Jim paid $21.08 for 1 large pizza,2 salads With the same price,and 2 drinks With the same price. The pizza cost $11.70,wich was 3 times as much as the cost of one salad.They also used a coupon for $2 off their purchase. What was the cost of one drink?
*January 30, 2016*

**math**

1.Julio bought a backpack for $39.95 and 2 belts for $17.99 each. The sales tax is 6.5%. How much did Julio spend for all the items, including tax? A $61.71 B $75.93 C $80.87 D $98.01 2. not posted 3.Each year on the same day, Susan deposits $275 into a savings account that ...
*January 30, 2016*

**math**

Find the 10th term of the series 1+2+3+4........
*January 30, 2016*

**chemistry titration (check my thought process) **

can someone check my answers here for my lab... so i have 3.234*10-4 moles of ca2+ and mg2+ ions and used 0.02450L of edta so my molarity of both ions is 0.01320 M. and now we had to find calcium, i used 0.01655 L of edta, can i use the same # of moles (3.234*10^-4) to find ...
*January 30, 2016*

**PHYSICS**

At what height above the ground must a body of mass 10kg be situated inorder to have potential energy equal in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m/s?
*January 30, 2016*

**math**

6 not posted here 7 b question 7 The Lopez family is moving to another city. An online budget estimator says their required monthly income will be $5,900. How much more per month will they need to live in the new city? A $300 B $400 C $500 D $600
*January 30, 2016*

**math**

1. c 2. b 3. not posted here 4. a 5. d 6. b
*January 30, 2016*

**math**

Ms. Sue
*January 30, 2016*

**math**

+Ms. Sue are the ones above right
*January 30, 2016*

**math**

lio bought a backpack for $39.95 and 2 belts for $17.99 each. The sales tax is 6.5%. How much did Julio spend for all the items, including tax? A $61.71 B $75.93 C $80.87 D $98.01 Each year on the same day, Susan deposits $275 into a savings account that earns simple interest ...
*January 30, 2016*

**algebra**

serenity is 13 years old than chase. the sum of their ages is 27. how old are they?
*January 30, 2016*

**setswana**

se ke batlang gonna sona
*January 30, 2016*

**physics**

A ball is thrown off a balcony (40 m high) and has an initial velocity of 18 m/s horizontally. (a) Determine the position of the ball at t = 4.0 s. (b) Determine the position after 4.0s?
*January 29, 2016*

**Algebra**

Li is making beaded necklaces. For each necklace, she uses 27 spacers, plus 5 beads per inch of necklace length. Write an equation to find how many beads Li needs for each necklace. a.input variable b.output variable c.equation
*January 29, 2016*

**Health and pe**

The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning Is it b and c?
*January 29, 2016*

**Health and pe**

The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning Is it b and c?
*January 29, 2016*

**mathematics**

Name the property the equation illustrates. 9 + (8 + 1) = (9 + 8) + 1
*January 29, 2016*

**Physics**

A truck starts from rest and accelerates at 2.0 m/s² for 4.0 s. How far will it have gone at the end of this time?
*January 29, 2016*

**Chemistry**

51J of heat added to an aluminum can with a mass of 25.5 g what is temperature change if specific heat capacity is 0.903 J/ g degrees Celsius?
*January 29, 2016*

**physics**

a metal ball falls from a. height 1m onto a. steel. plate and jump. up. to a. height of. 0.81m. .find. the. coefficient of restitution
*January 29, 2016*

**math**

15 yards of ribbon this is just me tryin to solve the problem, so i hope it's right
*January 29, 2016*

**college**

The proposed developer employed only certified programmers. Over the past five years they have redesigned more than 50 databases for local businesses. They will add innovative new functionalities to our system, while increasing the efficiency of our current system's ...
*January 28, 2016*

**Math**

what is it as a fraction? 11 2/9?
*January 28, 2016*

**Math**

How many hours are in 40,000 seconds?
*January 28, 2016*

**Math**

Carlos deposited $8,000 at 4.5% simple interest. How much will be in the account at the end of 30 months I = p * r * t 8,000(.045)(2.5) I = $900 Is this correct?
*January 28, 2016*

**math**

The length of the hypotenuse of a right triangle is 40 cm. The legs of the triangle are the same length. How long is each leg of the triangle?
*January 28, 2016*

**Math**

or would I be 700+210 which is $910
*January 28, 2016*

**Math**

I = $210?
*January 28, 2016*

**Math**

If Sara deposited $700 at an interest rate of 6% for 5 years, and then decides to close her account, how much money will she have in total?
*January 28, 2016*

**Math**

10-3(0.75)-2(0.50) in a word problem.
*January 28, 2016*

**Math**

Pablo, Sofia, and Mia got some candy eggs at a party. Pablo had three times as many eggs as Sofia, and Sofia had twice as many eggs as Mia. Pablo decides to give some of his eggs to Sofia and Mia so that all three will have the same number of eggs. What fraction of his eggs ...
*January 28, 2016*

**science**

what happens to animals when habitats change
*January 28, 2016*

**history**

What kind of society did early socialist want?
*January 28, 2016*

**English**

Within minutes, they had their equipment packed. They were off! Combined sentence: Within minutes, they had their equipment packed and were off! Does the combined sentence use a compound subject, compound verb, or compound object?
*January 28, 2016*

**english**

sorry its english
*January 28, 2016*

**history**

Within minutes, they had their equipment packed. They were off! Combined sentence: Within minutes, they had their equipment packed and were off! Does the combined sentence use a compound subject, compound verb, or compound object?
*January 28, 2016*

**Math**

Write an equation that involves multiplication, contains a variable, and has a solution of 5. Then write another equation that has the same solution and includes the same variable and numbers but use divison.
*January 28, 2016*

**writing equations-Math**

Write an equation that involves multiplication, contains a variable, and has a solution of 5. Then write another equation that has the same solution and includes the same variable and numbers but use divison.
*January 28, 2016*

**Math (Pease Help! 2 questions!)**

Thank you so much!
*January 28, 2016*

**Math (Pease Help! 2 questions!)**

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. c) What is the probability of selecting a purple marble and then a white marble? c) What is the probability of selecting ...
*January 28, 2016*

**Math 4 grade**

Ok
*January 28, 2016*

**Math**

Tuition for one year at a state university is about $13,000. Devon would like to attend this university and will save money each month for the next 4 years. His parents will give him$5,200 for his first year of tuition. Which plan shows the minimum amount of money Devon must ...
*January 28, 2016*

**Science**

Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate salt, oyster B) Lake, ...
*January 28, 2016*

**RDMS**

a runner goes 12km/h with the wind and 8km/h against the wind what is the speed of the wind?
*January 28, 2016*

**Math**

SO than D or B? :)
*January 28, 2016*

**Math**

Lamar has received $2,000 each year for college from his grandmother for the four years that he was in high school. He has deposited the money on the same day each year in an account that pays 8% interest, compounded annually. How much money has he saved? A $7,012.22 B $9,012....
*January 28, 2016*

**Math**

Marge purchased 60 shares of stock at $62.50 per share. There was a 4.5% purchase fee for the stock she bought. What was the amount of the purchase fee Marge had to pay? A $3750.00 B $1687.50 C $ 281.25 D $ 168.75**
*January 28, 2016*

**PHYSICS**

It has two flags, each exactly 25.4 mm long, with the midpoints of the flags separated by 162 mm. The first flag interrupts the photogate timer for a time 50 ms, and the second flag interrupts the photogate timer for a time 45 ms. -What was the average velocity of the glider ...
*January 28, 2016*

**algebra**

An object is released from the top of a building 320 ft high. The initial velocity is 16 ft/s. How many seconds later will the object hit the ground?
*January 28, 2016*

**Maths - Differentiation **

A closed rectangular box is made with sides of length (in cm) 2x,2x and y respectively. The volume of the box is 64cm^3. A) show that the surface area (six faces) of the box is given by: A = 8x^2+128/x B)find the Valur of x for which dA/dx=0 C)find d^2A/dx^2 and use it to ...
*January 28, 2016*

**Maths - Differentiation **

A function is defined by y= x^3/48 + 1/x (A) Find dy/dx - my answer: 1/16x^2-x^-2 (B) Find d^2y/dx^2 - my answer: 1/8x+2x^-3 C) use your answer to (A) to find the x coordinate of the two stationary points. D) use your answer to (B) to determine whether each point is a maximum ...
*January 28, 2016*

**Math**

I have 7 hundreds 16 tens and 3 ones what number am I?
*January 28, 2016*

**Art**

10 was D, like I said. They were 100%
*January 28, 2016*

**Art**

What might 10 be then?
*January 28, 2016*

**Art**

1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange**** D. Orientalizing Style 2.An artist loved to work with smooth, ...
*January 28, 2016*

**intermediate algebra**

A boat can travel 24 mph in still water. If it travels 186 miles with the current in the same length of time it travels 102 miles against the current, what is the speed of the current?
*January 28, 2016*

**Math**

I have 5 cups of birdseed. I use 3/4 cup of birdseed each day. How many days will my birdseed last?
*January 28, 2016*

**science**

if the canoe accelerates from 0 to .8 m/s in .2 s, what is the acceleration
*January 27, 2016*

**math**

The sum of two numbers is 30. Their product is 176. What are two numbers?
*January 27, 2016*

**Chemistry**

Calculate the mass percent of water in the hydrate Al2(SO4)3·18H2O to four sig. figs. I got this answer 60.23, but I just am confused on how to correctly write the units
*January 27, 2016*

**Physics**

It has two flags, each exactly 25.4 mm long, with the midpoints of the flags separated by 162 mm. The first flag interrupts the photogate timer for a time 50 ms, and the second flag interrupts the photogate timer for a time 45 ms. 1) What was the average velocity of the glider...
*January 27, 2016*

**AAMU**

a woman jogs for 2km at 8km/h and then walks for 2km at 6km/h. What is her average speed for the entire trip?
*January 27, 2016*

**Physics**

A rock dropped from the top of a building takes 0.55 s to fall the last 50% of the distance from the top to the ground.How tall is the building?
*January 27, 2016*