Saturday

April 19, 2014

April 19, 2014

Total # Posts: 163

**Math**

you have a job assembling tables and chairs. you are paid $30 for each chair and $70 for each table. last week you assembled a total of 14 items and make $660. how many did you make of each?

**Math help**

a $6000 principal earns 8% interest compounded semi annually after 35 years what is the balance

**Math**

Please show me how to solve 32 yd/min = __ in./s

**Help please math**

Solve using substitution. y = x – 2 x + y = 10 7x + 2y = - 8 8y = 4x Solve using elimination. 2x + 3y = 12 2x – y = 4 5x – 2y = - 19 2x + 3y = 0

**Statistics**

A state survey investigates whether the proportion of 8% for employees who commute by car to work is higher than it was five years ago. A test on employee commuting by car was done on a random sample size of 1000 and found 100 commuters by car. Test an appropriate hypothesis u...

**Statistics**

When consumers apply for credit, their credit is rated using the FICO score. A bank manager used a random sample of the credit scores of 18 customers and determined the following 95% confidence interval: (613.6, 708.0) If the sample used 45 customers rather than 18 customers, ...

**Statistics**

A scientist in Smallville tested the cholesterol of a random sample of 35 town residents. He constructed the following confidence interval: t-interval for μ: with 99.00% Confidence: 188 < μ(Cholesterol) < 206 What is the margin of error? A) 18 B) 9 C) 1.09 D) 1...

**Statistics**

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls found that 65.9% of a...

**Statistics**

A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 5%. the type of alternative hypothesis is: left-tailed right-tailed or two-tailed Is this right-tailed?

**Statistics**

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR Polls found that 65.9%...

**Statistics**

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls found that 65.9% of a...

**Chemistry**

Thanks for replying. No, this isn't a pure sample of KClO3. The mixture is 90% KClO3 and 10% MnO4 (catalyst) for the decomposition of KClO3. I understood most of what you said but you lost me at the part where you talked about using the gram sample and converting it to vol...

**Chemistry**

Hi, I'm doing a chem lab of the Percent Composition of Potassium Chlorate-A Gas Law Experiment and we need to calculate the percent of KClO3 in the sample volumetrically and gravimetrically. I need help calculating the Volumetric percent of KClO3 in sample given the inform...

**chemistry**

A 1.213g sample of an unknown weak monoprotic acid was titrated to the endpoint with 27.25mL of a 0.3016M NaOH Calculate: -the number of moles of base reacted. -the number of moles of acid originally present. -the molar mass of the acid.

**statistics **

A new medication has been created to treat osteo-arthritis inflammation and pain. Doctors prescribing the drug claim that the drug is not as effective for women as men since women taking the medication have higher pain levels than men. The pharmaceutical company conducts a cli...

**statistics **

Randomly selected cans of Coke are measured for the amount of cola in ounces. The sample values listed below have a mean of 12.18 ounces and a standard deviation of 0.118 ounces. Use DataDesk to find a 99% confidence interval for the mean volume of Coke in cans. Show the upper...

**statistics **

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls found that 65.9% of a...

**Algebra**

Solving equations simultaneously: .7*x+.30*y=33.1 (x*y)/(.7*y+.30*x) = 3.66 I get stuck after I get 51.972=45.2y-.42y^2 I know the answers are supposed to be x=2.6 and y=104

**Algebra**

Solving equations simultaneously: .7*x+.30*y=33.1 (x*y)/(.7*y+.30*x) = 3.66 I get stuck after I get 51.972=45.2y-.42y^2 I know the answers are supposed to be x=2.6 and y=104

**Trig**

Verify that each trigometric equation is an identity. 1/1-sinx + 1/1+sinx = 2 sec^2x

**Chemistry**

Find the pH: 1) A 0.001M solution of HCl 2) A 7.98 x 10^-2 M solution of HNO3 3) 1098L of a solution containing 8.543moles of HBr 4) 120mL of a solution containing 0.005 grams of hydrochloric acid. Please help me with these four. Out of 20 questions i only didn't understan...

**Trig**

A pulley with a diameter of 24 inches is driven by a belt which is moving 1045 ft/min. How many revolutions per minute are made by the pulley?

**Trigonometry**

A car wheel has a 13-inch radius. Through what angle does the wheel turn when the car rolls forward 4 ft?

**Trigonometry**

A bicycle with a 26-inch wheel(diameter) travels a distance of 700 feet. How many revolutions does the wheel make?

**Trigonometry**

A pendulum of length 17.6 inches swing 1 degree and 5 minutes to each side of its vertical posisition. To the nearest hundreth of an inch, what is the length of the arc through which the end of the pendulum swings?

**Trigonometry**

Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is 4.4 centimeters and the radius of the larger wheel is 20.9 centimeters. Through how many degrees wil the larger wheel rotate if th...

**math**

A sensor light can detect motion for a distance of 70ft. with a range of motion of 189 degrees. Over what area will the sensor detect motion and become illuminated?

**math**

A pendulum swings through an angle of 14 degrees each second. If the pendulum is 17cm in length and the complete swing from right to left lasts 3 seconds, what area is covered by each complete swing?

**math**

Find the area of a parallelogram with base b and height h. b = 82 cm h = 16.6 cm .1,361.2 cm2 .6,724 cm2 .137.78 cm2 .98.6 cm2

**Algebra**

simplify 9to 6th power times 3 to the 7th power all over 9 to the 8th power times 3 to the 6th power

**AP Chemistry**

Calculate delta H fro the following equation: H20(l, 50.0 C) yields H20(s, -10.0 C)

**AP Chemistry**

The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.

**AP Chemistry**

The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.

**monomials and polynomials**

= 4xy+xy-3y^3+y^2 = 5xy-3y^3+y^2 Ms. Sue will check if I am right but atleast I got some practice LOL!

**Hi, Ms Sue!! I have a question if u can help me:)**

? y r being so mean?

**Coop**

im looking for a job outlook...!

**Coop**

the site you gave doesnt show the male to female ratio...:( if you think it does then what is it..? another piece of info that is required is Employment outlook for future salary ranges for canada youth employment..im thinking its somesort of graph.... and the last thing that ...

**Coop**

what is the male to female ratio in Canada of pharmacy technician...That site is for US.

**Coop**

yes that is a question... 1) what are the required skills a) Job specifics skills and b)transferable skills for a pharmacy technician? 2) What is the male to female ratio of a pharmacy technician?

**Coop**

Pharmacy technician: 1) Required skills: a) job specific skills b) Transferable skills 2) Male to female Ratio

**math**

but Ms. Sue im in grade 11 and in grade 10 in science I did frog disection

**Co-op**

oh but I need canada cuzI live in Canada:( wish I lived in US!! this site might have been useful:(:(...well thanks for your help anyway:)

**Co-op**

The question is: CAREER INFORMATION: - Identify the career(s) you are investigating (coop position) Use the following website: jobfutures.ca/noc/browse-occupations-alphabet.shtml and select your career, and then click on the tabs under 'more information'. Copy and past...

**Co-op**

I already asked she said it is enough if you just list the website.:) Im glad you liked it thankyou!!!:) Im still doing the career fair thanks to your help i am actually getting farther in it:) There is this oe website i am supposed to copy and past info from; jobfutures.ca/no...

**Co-op**

I already did... on my sheet this is just for you to check if it is rightt.

**Co-op**

I have to writeabout the work setting and work environment of a pharmacy technician... I am allowed to copy and paste from a website as long as you reference it so I did... but all in all this is what I wrote.: Work environment: Pharmacy technicians work in clean, organized, w...

**Co-op**

OHHH!!! Thankyou!!!!!!!!:D:D:D:D:D

**Co-op**

Ok but in the where I work section it says I have to take photos and some flyers or brochures from my placement which is the hospital and then stick it on my poster board... so would the flyers and brochure count in the sources of information section?

**Co-op**

I only used websites... and flyer and brochure...

**Co-op**

I already did my research I just don't understand the last part Sources of Information..under it it says: - Investigate three different types of sources. - Provide a list of all websites, people, texts, flyers, and other resources used... I don't quite get this section...

**Co-op**

I have been given a cooperative education placement and career research assignment... Basically I have to do research of my career by giving its information, where I work research, What I do research, What I learned research, Related course connection research, education and t...

**math **

A $15,000 debt is to be amortized in 12 equal semiannual payments at 5.5% interest per half-year on the unpaid balance. Construct an amortization table to determine the unpaid balance after two payments have been made. Round values in the table to the nearest cent.

**physics**

An object with a mass of 5000kg is 6.5m away from an object with the mass of 2000kg. What is the force exerted on the smaller mass by the bigger mass?

**Algebra **

during a sale at the local department store, you buy three sweatshirts and two pairs of sweatpants for $85.50. later you return to the same store and but three more sweatshirts and four more pairs of sweatpants for $123. what is the sale price of each sweatshirt and each pair ...

**Economics**

Which of the following firms caould raise prices and expect an increase in revenues? A)a firm product has an elasticity of 1 B)a firm whose product has an elasticity of 0.31 C)a firm whose product has an elasticity of 3.1 D)all firms regardless of the elasticity of their products

**2nd grade math**

8+2=10

**Math**

How do you write 2 1/4 as a percent?

**geometry**

what is the circumference of the circle to the nearest tenth d=1/2

**Physics**

Jane and John, with masses of 50 kg and 60 kg, respectively, stand on a frictionless surfact 10 m apart. John pulls on a rope that connects him to Jane, giving Jane an acceleration of 0.92 m/s^2 toward him. (a) What is John's acceleration? (b) If the pulling force is appli...

**Physics**

Show that Keplar's third law works for each of the terrestrial planets?

**chemistry**

Which is not a true statement concerning electromagnetic radiation? It travels through space at 3.0 x 1010 cm/s. It travels in a straight line. It has the fastest speed possible in nature. The sun is a source of it.

**Chemistry**

3NO2 + H2O = 2HNO3 + NO How many grams of nitrogen dioxide are required to produce 5.89 x 10 to the 3rd power kg HNO3 in excess water?

**advanced math**

What is the half life of a substance if it decays by 75% in two weeks?

**math**

what is the half life if a decay by 75% in two weeks?

**algebra**

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that?

**geometry**

If the measure of angle A= 5x + 2, what is the measure of its supplement and its complement?

**Physical Science**

A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.

**Science**

How many times did earth orbit the sun between140ce and 1543, please show work

**Pre Algebra**

Four numbers are drawn from random tiles numbereed 0 through 9. What are the odds of drawing numbers 1 through four in any order?

**Math**

Evaluate the identity (cos^2x-sin^2x)/(1-tan^2x)=cosx^2X

**maths**

all the angles in order

**English**

So in paragraph 2 in Swimming Strokes by Lee Carroll there is only one error in pronoun-antecedent agreement such as getting the rhythm of your breathing down

**English**

Swimming Strokes by Lee Carroll Paragraph 4: One of the most easiest strokes for people who are just learning to swim are the backstroke because the swimmer does not put their faces in the water. Your nose and mouth stay above the water, and they can breathe naturally. To do a...

**English**

your

**English**

So in paragraph 2 in Swimming Strokes by Lee Carroll there is only one error in pronoun-antecedent agreement that begins with To me...getting the rhythm of your breathing down Your

**English**

So in paragraph 2 in Swimming Strokes by Lee Carroll there is only one error in pronoun-antecedent agreement that begins with To me...getting the rhythm of your breathing down

**English**

Swimming Strokes by Lee Carroll Paragraph 4: One of the most easiest strokes for people who are just learning to swim are the backstroke because the swimmer does not put their faces in the water. Your nose and mouth stay above the water, and they can breathe naturally. To do a...

**English**

but are the any errors for pronoun-anttecedent agreement in paragraph 2 for Swimming Strokes by Lee Carroll

**English**

Errors in Paragraph 2 in Swimming Strokes by Lee Carroll are and brush for subject-verb agreement, right-arm pull, left-arm pull, right-arm pull and breathe on the left side for parallelism, and your for pronoun-antecedent agreement. Are these correct?

**English**

Swimming Strokes by Lee Carroll Paragraph 3: The second type of stroke-the breast strok-is my favorite, since it feels the most natural. Here the kick became very important. In the past, the frog kick was popular, but today this had been largely supplanted by whip kick. To do ...

**English**

Swimming Strokes by Lee Carroll Paragraph 2: When most people think of swimming, they think of the crawl stroke. It involves flutter kicking with your legs as you pull yourself through the water with your arms while alternating your breathing from side to side. The most import...

**English**

So in paragraph 4 in Swimming Strokes are there 2 errors in subject-verb agreement, 1 error in parallelism, and 2 errors in pronoun agreement?

**English**

Swimming Strokes by Lee Carroll Paragraph 3: The second type of stroke-the breast stroke-is my favorite, since it feels the most natural. Here the kick became very important. In the past, the frog kick was popular, but today this had been largely supplanted by whip kicks. To d...

**English**

Swimming Strokes by Lee Carroll Paragraph 2: When most people think of swimming, they think of the crawl stroke. It involves flutter kicking with your legs as you pull yourself through the water with your arms while alternating your breathing from side to side. The most import...

**English**

In paragraph 4 in Swimming Strokes by Lee Carroll, I found 2 errors in subject-verb agreement, 1 error in parallelism, and 2 errors in pronoun-antecedent agreement. Are these answers correct because the errors in this passage range from 0 errors to 3 errors and nothing higher ...

**English**

In paragraph 3 of Swimming Strokes by Lee Carroll, I found 3 errors in subject-verb agreement and 3 errors in parallelism. Are these answers correct because all the errors in the passage range from 0 errors to 3 errors and nothing higher than 3 errors in each paragraph?

**English**

In paragraph 2 of Swimming Strokes by Lee Carroll, I found 1 error in subject-verb agreement, 0 errors in parallelism, and 1 error in pronoun-antecedent agreement. I was wondering were they correct because all the errors in the passage range from 0 errors to 3 errors and nothi...

**English**

In paragraph 1 in Swimming strokes I found 2 errors in subject-verb agreement, 1 error in parallelism, and 0 errors in pronoun-antecedent agreement. I was wondering were they correct because all the errors in this passage range from 0 errors to 3 errors and nothing else.

**English**

Swimming Strokes by Lee Carroll Paragraph 2: When most people think of swimming, they think of the crawl stroke. It involves flutter kicking with your legs as you pull yourself through the water with your arms while alternating your breathing from side to side. The most import...

**English**

Swimming Strokes by Lee Carroll Paragraph 3: The second type of stroke-the breast stroke-is my favorite, since it feels the most natural. Here the kick became very important. In the past, the frog kick was popular, but today this had been largely supplanted by whip kicks. To d...

**English**

Swimming Strokes by Lee Carroll Paragraph 4: One of the easiest strokes for people who are just learning to swim are the backstroke because the swimmer does not put their faces in the water. Your nose and mouth stay above the water, and they can breathe naturally. To do a back...

**English**

Swimming Strokes by Lee Carroll Paragraph 1: There is three types of strokes you must master if you want to be a proficient swimmer: the crawl stroke, the breast stroke, and the backstroke. These three strokes will help you deal with almost all the situations people will encou...

**maths**

Hi... i am sturgling with this Question it is ... calculatethe volume of the rectangelar box lenght 18 widht 6 height 9

**Math**

700/400

**math**

Obesity is defined as a body mass index of 3 kg/m2 or more. A 95% confidence interval for the percentage of U.S. adults aged 29 years and over who were obese was found to be 22.4% to 22.5%. What was the sample size?

**statistics**

An automobile shop manager times six employees and found that the average time it took then to change a water pump was 18 minutes. The SD of the sample was 3. Find the 99% of the interval of the true mean.

**Biology**

As scientists tried to discover the nature of genes, what three critical gene functions had they identified?

**Biology**

As scientists tried to discover the nature of genes, what three critical gene functions had they identified?

**Math**

16

**Math**

i dont no how to do it