Thursday

April 24, 2014

April 24, 2014

Total # Posts: 345

**BIOLOGY 12**

Explain the path of deoxygenated blood from the right atrium to the lungs

**Math**

6

**chemistry**

The pressure in an automobile tire is 1.85 atm at 27.0°C. What will be the pressure if the temperature increases to 38.0°C?

**Math**

A company replaces their cars every 6 years. A car is worth $13520 after 2 years. The company uses a depreciation rate of 35% a year. a) How much will the car be worth when the company replaces it? b) How much did the car cost when it was purchased?

**Foundations Math 12**

Mark wants to buy a car in 15 months, when he graduates. He estimates the car he wants will cost $12 500. Mark has just invested $7500 in a GIC earning 4% compounded quarterly. He also has a savings account that earns 2.45%, compounded monthly. How much should he deposit in hi...

**Foundations Math 12**

Thanks Steve!!!

**Foundations Math 12**

48 weeks ago, Gabriella invested at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How much interest has Gabriella's account earned in the past 48 weeks?

**Foundations Math 12**

thank you so much! :)

**Foundations Math 12**

Jie is investing $15000 and is choosing between two options. With Option A, the investment is compounded semi-annually and will grow to $20000 in 5 years. With Option B, the investment is compounded monthly for 5 years. The annual rate of interest is the same in both options. ...

**Foundations Math 12**

Forty eight weeks ago, Gabriella invested money at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How much interest has Gabriella's account earned in the past 48 weeks?

**Foundations Math 12**

Thank you!

**Foundations Math 12**

Bathsheba is saving up for the down payment on a farm. She invests $30000 at 5.2% interest, compounded quarterly, for 4 years. To the nearest tenth of a percent, Bathsheba's rate of return will be ____%.

**Foundations Math 12**

Thanks Henry!

**Foundations Math 12**

Kelly is planning to renovate her house. She intends to spend $200000. She invests $150000 in an account at 5.3% interest, compounded monthly. It will take Kelly ____ years to meet her goal, to the nearest tenth of a year.

**Foundations Math 12**

Determine the term of a $46000 investment with an interest rate of 3.9%, compounded monthly, if the future value is $100000. Round your answer to the nearest year. - I know I use the rule of 72 but what do you do after that?

**math**

9

**math**

If a gardener has 2.625 pounds of soil and divides it into bags with equal amounts, how much soil would be in each bag?

**Math**

Ahhhh, okay I see what to do now. Thank you, Ms.Sue!

**Math**

An appliance is on sale at 30% discount. If the sale price is $42.00, what was the original price of the appliance?

**Math**

What would the equation look like when the line is parallel to x-y+1=0 and has a Y-intercept of 3/4

**Math**

What would the equation look like when the line is parallel to x=3y-2 and has a Y-intercept of -3/2

**Math**

What would the equation look like when the line is parallel to 2x-3y=1 and has a Y-intercept of 0

**Math**

What would the equation look like when the line is parallel to y= -x+1/2 and has a Y-intercept of -2

**Math**

What would the equation look like when the line is parallel to y= 3/4x-3 and has a Y-intercept of 3

**Math**

What would the equation look like when the line is parallel to y=-2x+3 and has a Y-intercept of -1

**Math**

What would the equation look like when the line is perpendicular to 2x-3=4y and has Y- intercept of -5/4

**Math**

What would the equation look like when the line is perpendicular to 2x-3y+1=0 and has Y- intercept of 2/3

**Math**

What would the equation look like when the line is perpendicular to x+2y=10 and has a y-intercept of -10

**Math**

What is the equation look like when the line is perpendicular to y= 4-3x and has y intercept of 3/4?

**Math**

What would the equation look like if the line is perpendicular to y=x+2 and has a y-intercept of 0?

**Algebra**

How did you .1x? and where did the 3600 come from?

**Algebra**

Show all steps and Find the maximum revenue for the revenue function R(x)= 360x - 0.05x^2

**Math**

Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION) 7. A car accelerating on the highway to reach a speed of 62 mph then slowing dow...

**Math**

Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 1. Jova walks quickly for 25 minutes then she rests for 5 minutes before continuing on for another 10 minutes. (NOT A LINEAR FUNCTION) 2 A rock that is ...

**Math**

Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION) 7. A car accelerating on the highway to reach a speed of 62 mph then slowing dow...

**Math**

Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 1. Jova walks quickly for 25 minutes then she rests for 5 minutes before continuing on for another 10 minutes. (NOT A LINEAR FUNCTION) 2 A rock that is ...

**pritchett**

what does D.A.R mean in S.S need to know ASAP

**English**

Which Anology would go best with this one? Pond:lake:: A. man:child B. water:sream C. lake:sea D. dusk:night

**English**

Which analogy would best go with this one? branch:tree:: A. flower:garden B. teo:three C. tentacle:octopus D. near:far

**math**

Sally and Marta had the same number of postcards. After Sally sold 18 of her postcards, Marta had 4 times as many postcards as Sally. How many postcards did each girl have to begin with?

**Math**

How would you solve this word problem in one variable inequality form? One cell phone company offers a plan that costs $29.99 and includes unlimited night and weekend minutes. Another company offers a plan that costs $19.99 and charges 35 cents per minute during nights weekend...

**accounting**

A recent cash budget showed estimated cash receipts of $159,000, estimated cash disbursements of $155,000, and a desired ending cash balance of $6,000, with no borrowing of funds. The beginning cash balance was:

**physics**

7.42m

**Math**

How much is $20,000 compounded annually at 6% for 35 years? Thank you. Please show solution

**Math-Hooke's law **

Using Hooke's Law (F=kx) determine: A) A weight of 5 pounds stretches a certain spring from its natural length of 10.2 inches to a length of 10.5 inches. Find K. B) What weight will stretch the spring in part (A) to a length of 13.2 inches? Thank you!

**Statistics**

There were two independent groups who took a school course by different modes. The first sample of students took the course in the online and the second sample took the course in the conventional face to face mode. Using the sample data determine if there is significant differ...

**Physics**

Suppose the block is released from rest with the spring compressed 5.50 cm. The mass of the block is 1.60 kg and the force constant of the spring is 965 N/m . Assume the surface is frictionless. A) What is the speed of the block when the spring expands to a compression of only...

**D/dt**

Thank you for the equation and the useful article. :) So this is what I get. f(t) dt= 2(0)- [sqrt(t^2+1) * 2t] f(t) dt= -sqrt(t^2+1) *2t Is this correct? Thank you so much. :-)

**D/dt**

Calculate d/dt when a=t^2, b=2 and sqrt(x+1)dx. My answer turns out to be incorrect despite my checking it several times. I got -2/3t* sqrt(t^2+1) Can someone explain to me what is wrong with my answer and how to go about obtaining it the right way? Thank you everyone. :-)

**Language Arts**

Which sentence below has a missing antecedent? A Many people are planning to attend the race, so we should get to the park early. B My parents are both swimmers, so I know a lot about it. C When Steven and Patrick went to the movies, he bought the tickets. Is it B??

**LIFE ORIENTATION**

identify and describe 3 environmental health hazard that cause ill health within your community and include evidence that is current if the identified issues.use graphs ,statistics, pictures

**Math**

Stuart needed to purchase cleaning supplies for his company. He purchased 15 rolls of paper towels for $0.65 each, 15 bottles of cleaning solution for $1.25 each, 4 containers of garbage bags for $2.45 each and 3 new mops for $6.98 each. He received a 15% discount using his fr...

**MATH**

30

**Chemistry**

Figured it out, it is 11. :)

**Chemistry**

If the Kb of a weak base is 1.5 × 10^-6, what is the pH of a 0.25 M solution of this base? I found that I need to use the quadratic equation but I'm having difficulties because I come up with taking the square root by zero and that isn't right. Please help! a=1, ...

**MATH**

THE AREA OF A RECTANGUALR GARDEN IS 240 SQ FT. IF THE LENGTH OF THE GARDEN IS 20 FT.,WHAT IS ITS WIDTH?

**MATH**

THE AREA OF A RECTANGUALR GARDEN IS 240 SQ FT. IF THE LENGTH OF THE GARDEN IS 20 FT.,WHAT IS ITS WIDTH?

**MATH**

THE AREA OF A RECTANGUALR GARDEN IS 240 SQ FT. IF THE LENGTH OF THE GARDEN IS 20 FT.,WHAT IS ITS WIDTH?

**MATH**

THE AREA OF A RECTANGUALR GARDEN IS 240 SQ FT. IF THE LENGTH OF THE GARDEN IS 240 FT.,WHAT IS ITS WIDTH?

**English**

ok thank you!

**English**

Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for labs & when taking an exam. The professor is never there during those sections.Due to my low exam results,I feel I'm not being graded on fairly be...

**Trigonometry**

Hi, I really need help in understanding how to solve trig equations. How do you solve this equation? Solve the equation on the interval 0 < or equal to x < or equal to 2pi. sinx = (square root of 3)/2 I appreciate your help. Thank you!

**Physics**

You are standing on top of a building that is 75-m high and you throw a 4-kg stone horizontally at a speed of 6.6-m/s. How far from the base of the building will the stone land? (the ground is flat)

**Chemistry**

Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was stated as: Fe(III) + x(acac) -> Fe(acac)x - we were to determine x by completing experiment. x = 1, 2, 3, 4... acac = 2, 4 pentanedione Procedure o...

**Chemistry**

what are the products when water,ferric chloride and ammonium thiocyanate are combined?

**English**

1. linking verb? 2. objective complement? 3. compound predicate nominative? 4. complete subject? 5. gerund phrase? 6. appositive phrase? 7. noun clause? 8. adverbial clause? 9. independent clause?

**English**

Identify the term that best describes the words/phrases in parentheses. 1. The teacher asked her pupils to (stay) put during the screening of the documentary. linking verb action verb 2. The committee judged the logo (the most appropriate symbol) for the association’s mis...

**biology**

how can u investigate sugars or starch in a banana

**Math**

John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. a. How much work must be done on the sail? b. If the pulley is 50% efficient, how much work must John do on the rope to lift the sail?

**Math**

A river does 6,500 J of work on a water wheel every second. The wheel's efficiency is 12%. a. How much work in joules can the axle of the wheel do? b. What is the power output of the wheel in 1 s?

**Physical Science**

When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the efficiency of the pump?

**Math 9**

sorry i meant 2.07 m or 207 cm

**Math 9**

so the answer would be 2.07 m or cm

**Math 9**

Please help me on this question. Thanks! One pole measured 1.35m and the smaller pole measured 0.83m. They needed to be tied together. They were attached by overlapping the ends and tying them together. The length of the overlap was 12cm. What is the total length of the new po...

**Ashford University**

Evaluate the ways in which the legacy of slavery has prevented the United States from building a more just society, supporting your evaluation with the textbook and additional sources. Define what Dr. King’s refrain, “free at last,” looks like to you and how our...

**earth Geology**

This is just a question that I was curious about, why do mountain belts run parallel to coastlines? Thanks

**Physics**

At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.4 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before touching the ball? I ...

**chemistry grade 11 **

A molecule of CHCl3 (chloroform), has the same shape as a molecule of carbon tetrahydride, CH4. But carbon tetrahydride’s boiling point is -164º C and chloroform’s boiling point is 62 ºC. Explain the difference between the boiling points of the two substanc...

**English/help**

Yesterday I posted three analogies, two I needed to know of they were correct, the other I was lost on, can someone take a look I have to go soon. Is the first one a comparison of Sandra and her fear to that of the kitten?

**English**

I am having trouble with finding the analogy in this one: sandra was sitting in the backyard avoiding the party. she jumped when she heard a noise but it was just a little gray ritten. he look even more scared of her and she was of him. He paused and then walk toward her slowl...

**Math**

Hi I am not good with math. Please tell me how to differentiate mixed numbers, order of operation,subtraction, divide and multiplication etc. Thanks!

**health**

what is intensity?

**English 4**

It's A.

**English 4**

Which of the following most distinguishes an epic from a mock epic? A. its subject matter B. its style C. its vocabulary D. its length I'm thinking its B.

**Health**

What physical symptoms often accompany social phobia? A. Difficulty talking B. Trembling C. Nausea D. All of the above help me please

**health**

What can spark weight concerns for girls and impact their eating habits in potentially unhealthy ways? A. High self-esteem B. Maintaining a healthy weight C. Peer pressure to look a certain way D. Positive reinforcement from parents about how one looks I need help pleaseee :(

**chemistry**

a current is passed through 500 mL of a solution of CaI2. the following electrode reactions occur: anode: 2I- ---> I2 + 2e- cathode: 2H2O + 2e- ---> H2 + 2OH- after some time, analysis of the solution shows that 35.7 mmol of I2 has been formed. a) how many faradays of ch...

**Math/Trig**

How would I evaluate these trig functions without using a calculator? U: sin(-13π/6) cot 11π/6 cot(-14π/4) sec 23π/6 Thanks in advance ^^; and if you'd tell me step by step on how to do problems like these I'd be grateful :D

**world history**

of the Cold War, my bad ;D

**world history**

What are some political, economical, and social effects on the Cold War?

**Chemistry**

Explain how a barometer (mercury barometer) works using the kentic molecular theory

**Chemistry**

It requires 37.0 mL of a sodium hydroxide soltution to neutralize 0.75 grams of phosphoric acid. Using a balanced equation, determine the concentration of the sodium hydroxide solution.

**geometry**

The height of an equilateral triangular prism increases by one unit. The new lateral area is more than the original by how much? Answer the perimeter of the base the area of the base the height the area of one lateral face

**Physics**

A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 s after being hit. And 2.5 s after reaching this maximum height, the ball is observed to barely clear a fence that is 97.5 m from where it was hit. How high is the fence?

**Physics**

You are driving your car at a constant speed down the freeway. You are using 42 horsepower to do this. If the air resistance and frictional forces add up to 650 N, what is the net force on your car?

**Chemistry**

A saturated solution of sodium nitrate at 70oC is cooled to 40oC. How many grams of precipitate are formed?

**physics**

a 15 kg bucket is raised to paint a ladder with an acceleration of 3 m/s.^2 what is the tension in the rope?

**Math**

Verify the identity & Justify the step.s cot (theta-pi/2)=-tan theta

**Geometry**

1. An airplane is flying at 36,000 feet directly above Lincoln, Nebraska. A little later the plane is flying at 28,000 feet directly above Des Moines, Iowa, which is 160 miles from Lincoln. A.assuming a CONSTANT rate of descent, what was the angle of descent? B. What is the mi...

**Math**

The perimeter of a regular pentagon is 35in. What is the lenght of one side of the pentagon? Show your work.