Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 830

**Statistics: Percentile Rank**

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What proportion of students drank 7 or more cups of ...

**Algebra**

How do I graph a line given its equation? The equation is -3x + 2y = 2

**Science**

I just want to make sure this is correct. Ocean currents moving from low latitudes to high are GULFSTREAM, while those moving from high to low are CANARY.The all caps are my answers and I have searched the web and how found several things that might be it but I think it is the...

**physics**

A bird is sitting on a wire 22m long. The wind makes it move, creating a standing wave with 8 loops. What is the wavelength?

**Science**

Thanks for your help.

**Science**

In Hadley's cell model warm air rises at the equator and cold air sinks at the poles. Can someone tell me what these 2 questions mean? Surface air flow will be _________. Air flow aloft will be _______. Don't understand those two. Thanks

**Chemistry**

I need to supplement 20g of magnesium. Supplement comes with 825mg/ ounce. How many mg's or ounces to get to the 20g. Thanks

**math( statistics)**

How many simple random samples, SRS's, are possible of size 40 from a population of size 5000? (express in scientific notation 4 sign. figures) * I'm not sure how to start off.

**basic concepts and organ systems**

exam 40975100

**anatomy and physiology 1**

during an emergency room examination for an injured arm, the physician palpates the arms entire lenght starting at he shoulder and ending at the fingers of the hand , this process takes him from an

**math**

explain how you would use a number line to round 148 to the nearest ten?

**math**

what is 7,468rounded to the nearest hundred?

**math**

what is 172 rounded to the nearest hundred?

**math**

round 172 to the nearest hundred

**chemistry**

at the sea side the sun shines equally on the sand and sea. assuming the both absorb the same amount of energy, why is the sand a lot hotter than the sea

**chemistry**

a 2kg block of iron is given 10kj of energy and its temperature rises by 10c. what is the specific heat capacity of iron?

**chemistry**

a 2kg block of iron is given 10kj of energy and its temperature rises by 10c. what is the specific heat capacity of iron?

**medical coding**

when are abbreviations acceptable,who should use htem and why in the medical field

**early childhood**

Preschoolers use private speech: A. to influence others B. to keep some of their ideas a secret c. because it is more efficient d. because it enables them to communicate new ideas.

**Science**

Can anyone tell me what part of the body has good immune surveillance? Poor? Or give me a link?

**Biology**

Can someone tell me what I can look up to find the cell that is abundant in pus?

**geometry**

If the slope of a line is 5/3 and a point on the line is (57,12) using the given point and the slope find the coordinates of the lattice point on the line?

**Algebra 2**

(y-y1)/(x-x1).(the ones are sub ones and mean a different y and a different x.....so. -9-(-1) / 8-2 -9+1 / 6 -8 / 6 -4/3 slope = -4/3

**General**

Thanks so much!!

**General**

Can someone tell me a good search engine?

**Science**

I need to know what cell is abundant in pus and I have looked but was wondering if a neutrophils is a cell? Can someone give me a link please? Thanks

**Science**

You wish to make 1L of sterile lysis buffer soln. that is 10mM Tris-EDTA (pH 8) and 2% SDS. You have plenty of the following stock solns.: 2M Tris-EDTA (pH 8) and 20% SDS. However, SDS cannot be autoclaved and must be added to the soln. after autoclaving is done. Assume that t...

**Math**

Thank you!

**Math**

Solve for S: r^2s-5s=7. Solve for b: L= 4a^2b. I'm confused about how to solve these problems. Could someone show me the steps?

**chemistry**

What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C? Thank you,

**chem**

How many KJ are released when 75.0g of steam at 100 degree C condenses cools to 0 degree C and freezes at 0 degree C? I set it up like this but it is wrong, What am I doing wrong: 75g x 2260J/1g water x 1Kj/1000J =

**Chem**

What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C?

**Chem**

How many KJ are released when 75.0g of steam at 100 degree C condenses cools to 0 degree C and freezes at 0 degree C? I set it up like this but it is wrong, What am I doing wrong: 75g x 2260J/1g water x 1Kj/1000J =

**physics**

could you estimate the mass of the entire earth? How? If we cannot direct measure the earth's mass, how was it determined?

**college algebra**

10 1/2 of what number is 42.

**college algebra**

suppose you invest $15,000 in two funds paying 11 1/2%and 14% simple interest. the total annual interest is $1950. how much is invested in each fund?

**college algebra**

solve for C makeup: S=C+RC

**physics**

occurs when atomic nuclei decay

**physics**

flow of electrons in a conductor is called what?

**Mth95**

how do i figure that out by the info given?

**Mth95**

A canon placed at the top of a 15-foot rise fires a 16 pound ball with a vertical velocity of 172 feet per second. How far from the canon will the ball land? What is the max height of its trajectory?

**Math **

Find the area of the sector of the disk of radius r=15 ft and with arc length s=13 ft. When I did it it came out to .8666667, is that right or do I have to do 1/(13)(15) to get 1.15384571.

**health safety & nutrition**

measurements of height and weight provide useful information about: a.intellegience b.overall health status c.adult shape d.development age

**pre school**

Considering storybooks with electronic features, educators believe that: a. they may be more educative than human read-alouds. b. they are not worth the money. c. they attract but do not hold toddlers attens for long. d. reading with a responsive adult is best.

**phi 103**

appeal to popularity

**phi 103**

appeal to popularity

**phy. science**

what normally warms up faster when heat is applied?

**early childhood literacy**

c. they attract but do not hold toddlers attention for long.

**american government**

the presidents roles such as chief executive and commander in chief :

**english**

Need to find 30 corrections in this assignment.

**american government**

It can be said of regulatory commissions that: A.the commissioners pursue independent and impartial policies, regardless of politcal pressure from democrats or republicans in congress. B. unlike presidential appointees in other areas, regulatory heads choose which civil servan...

**american government**

As distinct from the patronage and executive leadership system, the merit system for managing the bureaucracy A. allows the president to appoint top officials of executive agencies,thus making the bureaucracy more responsive to election outcomes. B. provides for a neutral admi...

**american government**

According to James Madison, the source of most interest groups or factions is

**government**

judicial review is the power of the american courts to

**home school and community**

Describe three issues related to role confusion that a teacher may feel or may communicate.

**english**

What is the verb in the following sentence Her outgoing voice mail message sounds professional?

**physics**

The magnetic field at point 1 is 0.20 T directed north of east. The north component of this field at point 1 is most nearly (in T): -0.129 -0.153 -0.20 -0.035 0 -0.1 0.173

**biography**

Hi, im susan. I am currently in english honors and have to do a biography on someone i admire. The person i admire most right now is jeffree star. I have never really wrote a biography on someone. And could use some help. I dont know what to include about him and what to say. ...

**math**

The full question: The charge (in coul.) on an object increases according to q=(2 coul)e^[(o.05/sec)(t)], where t=time in sec. At how many sec. is the object deficient 1.56x10^20 electrons (from neutral)? A 0 B 12.56 C 21.94 D 28 E 42.21 F 50.5

**math**

its actually a physics question q=(2 coul)[1.56x10^20]^([0.50/sec][t]) t=time in sec.

**math**

actually the e is a variable with the value 1.56x10^20 So, I have to find X in [1.56x10^20]^(0.50/X)

**math**

How do i find X in e^(0.50/x) on a scientific calc? do I use LN, and if so, could you pls tell me how I can plug it in?

**verbs**

what are the verbs in this sentence? He suffered an injury to his knee and this is causing him pain and discomfort.

**english**

grdg

**math 117**

A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower ...

**Chemistry**

What is the heat required in Joules to raise the temperature of 100.0g ice at -20 degrees C to steam at 120 degrees C?

**Chemistry**

What is the heat in Joules required to raise the temperature of 100g H20 from 288K to 308K?

**chemistry**

the density of a piece of wood is 0.638 g/cm3. The dimensions of the block of wood are 40.0 cm by 50.0 cm by 25.0 cm. What is the mass of the block of wood? Show all calculations.

**algebra**

simplify, and plese show me how you did it. I am stumped. 24 divide 1/2 + 5/8 * 6/7 thank you.

**macroeconomics**

How much of a change in the economy will result if business increase their level of investment by $8 billion and the MPC in the economy is 4/5? If the MPC is 2/3?

**Physics**

Glass of water has mass of 240g at room temp (25°C). Add 50g of 0°C ice. What final temp after ice is melted. (at equilibrium).

**math**

The mean time for running a mile is 450 se4conds with a standard deviation of 40 seconds. What time would you need to beat to be in the top 10%?

**Statistics**

length of time in minutes required to complete exercises is distributed with a mean of 60 minutes and a std. deviation of 8 minutes. what percent will require between 60 and 76 minutes to complete the exercises? what percent of participants will require more than 72 minutes to...

**Chemistry**

Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear fusion reactor. I tried tr...

**algebra**

One week, you earned $1350. Let x represent your total sales that week. Write an equation that could be used to find x.

**survey of economics**

How would you compute changes in Microsoft’s volume of output from one year to the next? How would price changes affect your computations?

**Algebra II**

are you sure 9 and 2 is right??

**Algebra II**

Can someone please help me with this problem. Given Matrix Y= 2 -7 4 and -1 1 0 Matrix Z= 3 4 1 4 2 -4 Solve for matrix X. X-2Y=3X+Z HELP PLEASE!!!

**Chemistry**

Approximately how much water should be added to 10.0 mL of 12.0 M HCl so that it has the same pH as .90 M acetic acid(Ka= 1.8 x 10^-5)?

**Chemistry**

The blank solution used to calibrate the spectrophotometer is 10.0mL of 0.2M Fe(NO3)3 diluted to 25.0mL with 0.1M HNO3. Why is this solution preferred to simply using de-ionized water for the calibration?

**economics**

What would happen to unit sales and total revenue for this textbook if the publisher reduced its price?

**Math**

I want to make a fence with a perimeter of 42 feet and an Area of 58 square feet. Label all sides of the fence.

**finance**

Anne is planning to attend college when she graduates from high school in 7 years from now. She anticipates that she will need $10,000 at the beginning of each college year to pay for tuition and fees, and have some spending money. Anne has made an arrangement with her father ...

**software**

Sorry can you explain please

**software**

<?xml version="1.1"?> <reference> <author/>Compton, R.</author> <year>2010</year> <articletitle>SOA explained</articletitle> <journaltitle>Retail Management</journaltitle> <issue>vol. 14 no. 6, June<...

**hardware**

Hi i'm just stuck on this question. can please someone help me. Three cortrect ones are: A) A 9-bit word represents twice as many code words as an 8-bit word. B) mp4, mpg and bmp are all examples of video file extensions. C) A data rate of 4 gigabits per second means that ...

**Math **

Suzanne wants to put a fence around her square garden. If the garden covers an area of 64 ft2, how many feet of fencing does she need?

**math**

thank you

**math**

I dont understand the rules for adding and subtracting postive and negative ,can you please explain it to me? im having a test

**6th grade english**

Can you recommend a site where I can get some examples of prepositional prases?

**sociology**

This assignment is confusing me, is there anyone that can lead me in the right direction? The assignment is as follows. If appointed to head the U.S. Civil Service Commission, what polices would you propose to reduce radical ethnic strife in the U.S. and why? This assignment w...

**math**

In the trapezoid above, base R is 16 units and base S is 24 units. The trapezoid has a height of 9 units. What is the area of the trapezoid?

**chemistry**

write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the chromium (III) ion with a ...

**chemistry HELP PLEASE**

write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the chromium (III) ion with a ...

**early childhood literacy**

not arbitrary symbols

**Algebra**

5/(6 x)-2/3 = 4-2/x

**math**

The length of a rectangle is 4 times its width. Express the perimeter, P, of the rectangle as a function of the width, w.

**math**

You flip a coin and toss a 1-6 number cube what is the probabilty of getting a 5 and tails

**computer science**

In the TCP/IP model, the best path through the network is determined at the ______________ layer. In the OSI model, the same function is carried out at the ______________ layer. A network access network B network access transport C internet network D internet transport E trans...

**computers**

Can please help me, i'm stuck on thios question:- Q) Select the two true statements from the following list. A)In the OSI model, PDUs at layer 2 are called frames and PDUs at layer 3 are called packets. B)In an IPv4 packet header the Time-to-Live field is 8 bits. This mean...

Pages: <<Prev | 1 | 2 | 3 | **4** | 5 | 6 | 7 | 8 | 9 | Next>>