Monday

April 21, 2014

April 21, 2014

Total # Posts: 1,882

**Maths B**

Work out the 5 number summary Min=3 Q1=6 Median=8 Q3=14.5 Max= 24 IQR=Q3-Q1 =14.5 - 6 =8.5 Work out if 24 is an outlier or not. x-Q3>1.5*IQR 24-14.5>1.5*8.5 9.5>12.75 24 is an outlier

**Year 11 Maths B**

So does that mean n1=35 n2=8 m1=1715 m2=424 Total bag count: 43 Total Mass: 2139 New mean mass: 49.74418605 Round it to the nearest kilo 50kg. Is that correct???

**Geometry**

The volume of an oblique cone with equal diameter and height is 18pi cm^3. Find the height and radius(to the nearest cm).

**Physics**

A wave on a string is described by the following equation (assume the +x direction is to the right). y = (18 cm) cos[ðx/(5.3 cm) - ð t/(14 s)] What is its period? What is its speed? In which direction does the wave travel? To the left or to the right?

**dosing**

thank u

**dosing**

1 tbsp= 15 ml 1 fl.oz = 30 ml And then how many dose will be obtained in 12 fl.oz?

**dosing**

if 1 tablespoon is prescribed as a dose of medicine,approximately how many doses will be obtained in 12 fl.oz?

**Math Problem ( 6th grade math)**

Brandon tosses a coin 500 times. The coin lands on tails 320 times. A: What is the experamental probability of getting heads? B: Is the coin fair or unfair? Explain you answer.

**Math!!**

Eric bowls 35 times and gets 15 strikes. Fine the experimental probability that eric will bowl a strike. The answer first. Then explain what you did to get the answer

**math**

If d is the distance, and r is the radius of the earth (in feet), r^2 + d^2 = (r+32000)^2

**Geometry**

Given circle E with diameter AC and m<DAC=62 degrees, find mAD(arc).

**Math**

Anybody there???

**Math**

Also, Explain in words how you determined the probability of the player making the free throw.

**Math**

Thank You So Much Ms. Sue! Are you a teacher?

**Math**

So 1/3 would be the probability that the player makes the free throw?

**Math**

Well A player makes 4 of 12 free throws. Question: What is the Probability that the player makes the free throw?

**reading**

Did you read the story?

**6 grade math**

Yes. Im in 6th grade also and i did intergers last month and yes you are correct! Good Job

**science**

When a Gila monster uses a rock for shade from the noonday sun, it is interacting with _____. (1 point) an abiotic factor another organism an ecosystem its community

**Pre-Calc**

How would you prove this identity? (sin^3(x)+cos^3(x))÷(1-2cos^2(x)) = (sec(x)-sin(x))÷(tan(x)-1)

**Medical Terminology**

I have to write a fictitious medical report containing this weeks vocab. It has to be at least 2 paragraphs describing a dermatologic condition or disease and contain all of the vocabulary and their definitions. My question is...how do I format this? If someone could give me a...

**Biology**

Another brain teaser I can't get: What are Mr. Rahn's favorite states" Hint: "it matters"

**Biology**

I can't figure out these brain teasers: i.e.point act char er ILL GET IT

**Calculus**

I'm supposed to find the average value of the function over the given interval. f(x) = sin(nx), interval from 0 to pi/n, where n is a positive integer. I know the average value formula, and I know that the integral of that function would be (-1/n)cos(nx), but I keep gettin...

**Geography**

What is the easternmost nation of southern Europe?

**math**

what is the unit rates for a store that had 30 customers in 12 min.

**Chemistry**

A solution contains 0.55 g of dissolved Sn 4+ ions. How many grams of Na2CO3 must be added to the solution to completely precipitate all of the dissolved Sn4+?

**AP Chem**

okay so i think i did this question correct but i get a little confused with equivalence point. If there is 25 ml of a .300M solution of HNO2...when i set up my ICF table, does that mean there is 7.5 mmol of HNO2 and OH- in the equation HN02 + 0H --> NO2 + H20 since it is a...

**AP Chem**

Consider 25.0 ml of .300 MHNO2 that is titrated with .500 M Find ph at eq pt

**AP Chem**

1.513g of monoprotic acid (HX) is dissolved in water, and the volume is 250.0 ml after the dissolving. The solution was then titrated 38.12g of .100 M NaOH to reach the end point of the titration. What is the molecular weight of HX?

**chemistry**

what are metals and non metals that are found in the human body and their function?

**chemistry**

what are the applications of the silicon atom with its isotopes of 28,29,and 30?

**chemistry**

give at least 3 atoms with its isotopes and its application?

**Chemistry**

What mass of Helium will occupy 2 times the volume of 10.0 grams of Neon if both gases are measured at STP?

**Chemistry**

A gas mixture contains 4.00 grams of O2 and 4.00 grams of He. If the total pressure of the gas sample is 4.67 atm, what is the partial pressure of each component?

**Algebra 2**

You would divide everything by 3 leaving you with f-1(x)= x/3 - 4

**Analytical Chemistry **

How many millimoles and molecules of solute are in 500 ml of a solution that is 5.41 ppm KMnO4?

**math**

A hypothesis test is conducted with respect to the mean weight (in ounces) of potato chip bags form a certain manufacturer. The hypotheses are: H0: = 0.8 and Ha: ≠ 0.8. Which confidence level would support the conclusion that there is insufficient evide...

**math**

two negatives make a positive

**math**

12

**math**

36

**chemistry**

55.85 g/mol

**statistics**

The power of a significance test for a particular value of the parameter is computed to be 0.93. Which statement below is true? a) The probability of committing a Type I error is 0.07. b) The probability of committing a Type I error is 0.93. c) The probability of committing a ...

**statistics**

An SRS of size n is taken from a large population whose distribution of income is extremely right-skewed and the mean income is calculated. Which of the following statements is false? a) When n > 30, the sampling distribution of is approximately normal. b) When n increases...

**Physics**

A metal plate has a charge density of 85uc/cm^2 : Calculate the electric field strength at 14 cm above the plate

**chemistry**

Is it okay taking caffeine then ascorbic acid?

**child day care**

You’ve decided to operate a day care home. Which one of the following factors is the most important in helping you make your decision? A. Your family is willing to share their living space with the children in the program. B. Your home seems to be large enough. C. You fin...

**Physics**

Find the speed of sound (in m/s) at -35°C at 1 atm pressure in dry air.

**Chemistry- intermolecular forces**

When a benzoate ion goes through solvation, what is the intermolecular force involved? Is is hydrogen bonding?

**math**

the cost of travelling by bus is Rs10 for the first km and RS 3 for every additional km. how much must be paid for a journey of 20 km?

**art history**

what was the most important contributing factor to the rise of cities?

**art history**

how did monasticism and feudalism differ? give two examples

**algebra**

1/z+8/1/z-2

**algebra**

Simplify, using only positive exponents in your answer. x^-4+y^-4/x^-3+y^-3

**algebra**

An investor invested a total of of $2500 in two mutual funds. One fund earned a 7% profit while the other earned a 4% profit. If the investor's total profit was $14, how much was invested in each mutual fund?

**algebra**

r^3+216/r+6=

**algebra**

f(x)=v^2+13/v^2-4v-32 Find all numbers that are not in the domain of the function. Then give the domain in set notation.

**Physics**

If you look at yourself in a shiny Christmas tree ball with a diameter of 9.0 cm when your face is 38.0 cm away from it, where is your image? (Your answer should be positive if the image is in front of the ball's surface, and negative if the image is behind it.)

**algebra**

A person needs to prepare 130 pounds of blended coffee beans for $5.27 per pound. He plans to do this by blending together a high-quality bean costing $6.50 per pound and a cheaper bean at $2.50 per pound. To the nearest pound, find how much high-quality coffee bean and how mu...

**Civics**

Forget about the treaties part.

**Civics**

Is a trial of impeachment held with or without a jury? How about treaties? And murder?

**math**

what might you have if you don't feel well?

**Algebra**

A boat's crew rowed 7.5 downstream,with the current, in 1.5 hours. The return trip upstream against the current,covered the same distance,but took 2.5 hours. Find the crew's rate in still water and the rate of the current.

**Science (PLEASE HELP)**

The oceans are so large that many people believe the oceans can absorb vast amounts of pollution without harm. Analyze the error in this concept, and explain how ocean pollution can affect human food supplies?

**Physics**

(a) A 2.20 cm high insect is 1.24 m from a 135 mm focal-length lens. What is the image distance? mm How high is the image? cm What type is it? (Select all that apply.) The image is upright. The image is inverted. The image is behind the lens. The image is in front of the lens....

**counseling**

Each student will write a paper on a specific DSM disorder (e.g., not anxiety disorders, but a specific aspect of a specific anxiety disorder. I am not sure what the instructor is wanting I want to do a paper on Attention Deficit Hyperactive Disorder (ADHD) but not sure what k...

**Physics**

Figure a is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.75 rad/s; figure b is a partial graph of the corresponding velocity function v(t). The vertical axis scales are set by xs = 2.50 cm and vs = 2.50 cm/s. Wha...

**Physics**

A physical pendulum consists of 3.8 m long sticks joined together as shown in Fig. 15-41. What is the pendulum's period of oscillation about a pin inserted through point A at the center of the horizontal stick? Who can help me with this problem?

**Physics**

A physical pendulum consists of 3.8 m long sticks joined together as shown in Fig. 15-41. What is the pendulum's period of oscillation about a pin inserted through point A at the center of the horizontal stick? Who can help me with this problem?

**Physics**

The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00° and released, wh...

**Physics**

The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00° and released, wh...

**Living environment(please check thank YOU Ms.Sue)**

ok its alright thank you for trying

**Living environment(please check thank YOU Ms.Sue)**

Cause: When hydrochloric acid backs up into the esophagus Effect: called Acid Reflux Cause: As a result of the acidic ph in the stomach Effect: help break down food Cause: As the epigolottis covers the larynx, Effect: I NEED HELP WITH THIS Cause: when reverse peristalsis occur...

**PHYSICS**

As the distance of the object from the lens increases,what happens to the image size?

**reed**

Thank you :)

**science**

What is the effect as the epiglottis covers the larynx?

**Living Environment(please check answers)**

1-true 2-false 3-not enough info Transplanting genetic material into bacteria is a simple task- 2 Under certain conditions, bacteria reproduce at a rapid rate-3 The continued use of insulin from animals many cause harmful side effects in some people- 1 The bacteria used in the...

**liviing environment**

i need to write the number 1-true 2-false 3-not enough info

**liviing environment**

Transplanting genetic material into bacteria is a a simple task?

**Chemistry**

Draw a titration curce of 25.0 mL of 0.100 M aluminum ion (pKa=5.14) with 0.100 M NaOH. I am familiar with the process of drawing titration curves, however, I have never done an example with an ion (aluminum ion) rather than an actual acid. If anyone can please tell me how to ...

**science**

The wavelength of a wave is 20cm.fifteen of these waves move past a point per second.calculate da frequency

**physics**

whoever already answered this question was very, very incorrect. your formulas may be, but your own calculations don't even come out to the numbers you have.

**Chemistry**

A sample of gas at 47 C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 107 C and 0.789 atm?

**Physics**

A block rests on a horizontal, frictionless surface. A string is attached to the block, and is pulled with a force of 45.0 N at an angle è above the horizontal, as shown in Figure 7-23. After the block is pulled through a distance of 1.50 m its speed is v = 2.90 m/s, an...

**Physics**

A block rests on a horizontal, frictionless surface. A string is attached to the block, and is pulled with a force of 45.0 N at an angle è above the horizontal, as shown in Figure 7-23. After the block is pulled through a distance of 1.50 m its speed is v = 2.90 m/s, an...

**ENglish**

why does it make sense for us to form a parody of Romeo and Juliet?

**microbiology **

all coliforms ferment glucose but none of the media used for this test includes glucose why is glucose not used

**Global History**

what are the cultural diffusions between japan and korea

**Economics**

Can you tell me please if my answer is right to the following question? The question: present Adam Smith's theory of value and limitations. 1. Labor cost: he supported that everyone must produce his own goods using own labor and exchange the surplus with other goods. In th...

**Economics - Edit question**

Is my answer correct? The question: present Adam Smith's theory of value and limitations. My answer: Adam Smith supported three different views of theory of value 1. Labor cost: he supported that everyone must produce his own goods using own labor and exchange the surplus ...

**chemistry**

Cocaine is a non-electrolyte that has a molecular weight of 303.4 g/mole. How many grams must be dissolved in 25.0 mL of Chloroform (density = 1.484 g/mL) to raise its boiling point to 65.5 Celsius? The boiling point of pure Chloroform is 61.2 Celsius. Kb Chloroform = 3.62 Cel...

**Chemistry**

How do you calculate delta T for H2O?

**chemistry**

does this equal the same amount of moles of HO2CCO2H?

**chemistry**

weight of watch glass+funnel= 121.573g weight of watch glass+funnel+CaC2O4H2O=122.044 g how many moles of CaC2O4H2O were isolated during the experiment? related equations: HO2CCO2H + OH- -> -O2CCO2- + H2O Ca2+ + -O2CCO2- + H2O ->CaC2O4*H2O

**English**

What opportunities does the online community offer that the actual community doesn't?

**English**

Okay thank you. I do not need it anymore though.

**English**

Where do you find the editor of a certain article of a website? Where can you find the name of the organizatin that associated with the site??

**Business**

Does anyone know any specific businesses who use the online community for business deals through online video chats, with those around the world, instead of face to face in the actual community?

**Algebra**

A ranger spots a forest fire while on a 45-meter observation tower. The angle of depression from the tower to the fire is 12 degrees. To the nearest meter, how far is the fire from the base of the tower? IS THE ANSWER 212 meters

**Algebra**

(x^9)^0(x^7)^2

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