Wednesday

December 24, 2014

December 24, 2014

Total # Posts: 275

**chemistry**

Gasoline sold in Ontario must contain at least 5.00% v/v ethanol? How much gasoline contains 1.50 L of ethanol? my answer is 22.5 ml is this correct
*December 16, 2014*

**Chemistry (Solutions)**

please help
*December 16, 2014*

**psychology**

Given the changes in sex-offender laws, the emphasis of concern appears to be swinging toward: A) protecting children. B) sympathizing with sex offenders. C) white Americans. D) states' rights.
*December 15, 2014*

**Calculus**

Hi! I need help with this problem: For 0(smaller or equal to) t (smaller or equal to) 9, a particle moves along the x-axis. The velocity of the particle is given by v(t)= (sin pi/4 t). The particle is at position x= -4 when t=0. a) For 0 (smaller or equal to) t (smaller or ...
*December 11, 2014*

**math**

Jane had 16m of ribbon. She gave 3 2/7of it to Linda and 4 1/3 to Sarah. How much ribbon was left?
*December 9, 2014*

**Math**

θ equals the angle in Quadrant II so that cot θ= -3. Find the values for sin θ, cos θ, and tan θ.
*December 4, 2014*

**Pleaaaaaase help with differential graph question**

Suppose further that the population’s rate of change is governed by the differential equation dP/dt = f(P) where f (P) is the function graphed. For which values of the population P does the population increase? (b) For which values of the population P does the population ...
*December 1, 2014*

**english 4**

Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box below. As the hurricane season was over, people returned to the cottages on the beach. Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box ...
*November 9, 2014*

**pre-algebra**

The number of cells in a lab sample triples every 4 hours. Write an expression to represent the number of cells after 24 hours. I think it might be x cubed times 6
*November 5, 2014*

**Geometry**

A carpenter is building a staircase using his knowledge of right angles. The steps have a horizontal landing and a vertical rise causing each step to be a right triangle cut out. Depending on the purpose, steps may be adjusted by the angle of elevation which determines the ...
*October 30, 2014*

**arithmetic**

Jodi is cutting out pieces of paper that measure 8.5 inches by 11 inches from a larger sheet of paper that has an area of 1000 square inches. What is the area of each piece of paper that Jodi is cutting out?
*October 14, 2014*

**math**

9x27+2×31-28=n
*September 10, 2014*

**Algebra, math,**

A helicopter can fly 120 mph in still air. When flying to a town 700 miles away and returning the helicopter has to fly with a tailwind of x mph when going to the town and with a head wind of x mph when returning. If the return flight takes 2 hours more than the flight to the ...
*May 20, 2014*

**Homework helpline?**

Is there a homework helpline for college level I can call and ask homework questions through the phone? I know there is one that is available for elementary school and middle school, and it would seem a little ludicrous for one to be available for this level, but are there any...
*April 28, 2014*

**Business management**

television is an attractive advertising medium because it A. Offers mass coverage and flexibility B. is relatively expensive C. offers rapidly growing network audience D. provides instant feedback which can be used to measure effectiveness
*March 20, 2014*

**us history**

looks like you only got 9 wrong. its many gains were made in the area of women's education.
*March 19, 2014*

**math**

Three boys are sharing a cake. Joey ate 2/5 of the cake, Billy ate 1/3 of it, and Matt ate the remaining piece. What is the ratio of Joey's piece to Billy's piece to Matt's piece?
*March 14, 2014*

**algebra**

Find the equation of the line parallel to 4x=5y=7 and passing through (3,2) leave answer in y=mx+b
*December 11, 2013*

**POL 201**

all branches are equal. efficiency can be obtained through the division of labor. one branch can prevent another branch from tyrannizing the majority. the Framers had a negative view of politicians.
*November 17, 2013*

**POL 201**

Separation of powers entails three distinct branches of government so that
*November 17, 2013*

**Microeconomics**

Assume that you own a lake house. Unfortunately your job will require that you spend the summer on the road and you won’t be able to enjoy it. You decide that you will rent it out for the summer while you are working. The mortgage payment on the lake house is $1000 per ...
*October 22, 2013*

**Telecommunications**

He did this problem in the "A Problem" video just with different numbers. ;)
*October 18, 2013*

**English 1**

For #1 I put this but i don't know if it's right. In the very beginning of the story Capote begins placing the reader in the kitchen of days long gone now. The reader has an image of a large farm house with a stove dominating the kitchen. Since kitchens in this era do ...
*September 24, 2013*

**English 1**

It is a story. These were the questions. I don't know how it relates to me.
*September 24, 2013*

**English 1**

In the story A Christmas Memory. 1. In at least one paragraph, describe what you think the message is the author is trying to convey in the story. What specific details from the story make you believe this? 2. In at least a few sentences, describe how this message relates to ...
*September 24, 2013*

**American U.S.History**

Directions: 1. Pick a grievance from the Declaration of Independence. You need to focus on ONE grievance. 2. In the online text box, answer the following questions in a couple of paragraphs. 1. Identify which grievance is the focus of your argument. 2. What natural right was ...
*September 24, 2013*

**Physical Science**

a rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 381,000 km?
*September 15, 2013*

**macroeconomics**

Which of the problems in the construction of the CPI might be illustrated by each of the following situations? Substitution Bias, Introduction of New Goods, Unmeasured Quality Change 1. The invention of the iPod 2. The introduction of air bags in cars 3. Increased ...
*September 11, 2013*

**math**

Natureland Garden Center buys lawn mowers that list for $679.95 less a 30% trade discount. What is the dollar amount of the trade discount?
*August 22, 2013*

**math**

What is the present value of $73,000 in 11 years if the interest rate is 8% compounded semiannually?
*July 6, 2013*

**Chemistry**

If I have 10 silver coins and they weigh 55 grams and displace water from 25 mL to 26 mL, what is the density? What is the specific gravity?
*June 29, 2013*

**Algebra**

identify the solution(s) of the system of the equations 9x+2y=6 and 8x-2y=8
*June 4, 2013*

**College Algrebra Math 133 unti 1 IP 1**

Suppose the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 80 inches. The formula for the perimeter of a rectangle is P=2L + 2W. Set up an equation for the perimeter involving only the L the length of the rectancle. And ...
*May 11, 2013*

**Calculus**

Find a formula for the fourth degree polynomial p(x) whose graph is symmetric about the y-axis (meaning it has no odd powers of x), and which has a y-intercept of 10, and global maxima at (3,253) and (−3,253).
*April 7, 2013*

**Algebra**

Find the account of simple interest earned if you invest $9000 at 0.04% interest for 20 years. Then find the account balance.
*February 3, 2013*

**math**

If "today is Monday" is true and "It is May 5th is false, which of the following is false? 1 - Today is Monday and it is not May 5th. 2 - If today is Monday, then it is May 5th. 3 - Today is not Monday only if it is May 5th. 4. Today is not Monday or it is May ...
*January 12, 2013*

**math**

the measures of the angles of a triangle are represented by 2x+30, 5x+10 and 7x the triangle is
*January 11, 2013*

**farmingdale**

in rhombus abcd the measure in inches of ab is 5x+7 and dc is 2x+25 find the number of inches in the length of dc
*January 11, 2013*

**ELA**

In the miracle worker who are the most important characters from greatest to least. with descriptions next to the names please.
*December 10, 2012*

**fractions**

If you have eight cookies and you give one fourth away, how many cookies are left?
*December 7, 2012*

**mathematics**

calculate the following fractions 1/3+ 2/3+ 5/3 what is the answer AND show how you get the answer
*October 25, 2012*

**math**

caculate the following fractions 1/3+ 2/3+ 5/3 what is the answer to these fractions and show houw you get the answer. please.
*October 25, 2012*

**Zion Chapel**

explain how to find 40x50 usine mental math?
*October 24, 2012*

**trig**

I have this same question. It depends on how the question is read. Is the plane at an unknown hight 12,000 ft from the cliff? Or is the plane an unknown distance from the cliff flying at 12,000 feet? If the second then the cliff is 28,043.1 ft high. If the first AND we assume ...
*October 15, 2012*

**Math**

Al and Harpreet are racing to Wing Stop to get the last batch of fries made for lunch. Al participates in cross country and can cover (write in value) per minute. Harpreet likes to watch TV and play video games. She is out of shape and can only cover 3 units per minute. If ...
*October 6, 2012*

**geometry**

Al and Harpreet are racing to Wing Stop to get the last batch of fries made for lunch. Al participates in cross country and can cover (write in value) per minute. Harpreet likes to watch TV and play video games. She is out of shape and can only cover 3 units per minute. If ...
*October 6, 2012*

**math**

5a - a - 2a = 18 a = ?
*September 26, 2012*

**math**

6d - 3d + 2d = 35 d = ?
*September 26, 2012*

**financial planning**

corp had earnings before taxes of $400,000 and sales of $2,000,000. If it is in the 40% tax bracket its after tax profit margin is?
*July 21, 2012*

**math**

A flagpole stands at a right angle to the horizontal at the bottom of a slope. The slope has an incline of 8° with the horizontal. The flagpole casts a 20 meter long shadow up the slope. The angle of elevation of the sun is 17°. Determine the height of the flagpole.
*July 21, 2012*

**business lowercapstone**

would Johnson and Johnson work or pocter and Gamble work
*April 16, 2012*

**business lowercapstone**

analalyzes the organization basic legal ,social and ecomomic environments
*April 16, 2012*

**business lowercapstone**

Assignment Type: Individual Project Deliverable Length: 4-5 body pages, 1 PERT chart, 1 Gantt chart Points Possible: 185 Due Date: 4/22/2012 11:59:59 PM CT Using your current work organization (or an organization of interest) as the subject matter, research the elements of ...
*April 16, 2012*

**Chem**

How many sodium ions are present in 825 ml of 0.825 M Na2SO4?
*April 3, 2012*

**Math**

adam has 2 yards of fabric to make a shirt. He needs 1 foot of fabric for each arm and 3 feet of fabric for the rest of the shirt. Does he need an estimate or exact answer to decide if he has enough fabric?
*March 11, 2012*

**probability**

use 3 colors; one color has half probability, every segment is next to a different color; in a circle divided in 8 equal segments
*February 9, 2012*

**Math**

1) Given the universal set U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and sets A = {2, 3, 4, 6}, B = {5, 6, 7, 8, 10}, C = {6, 8, 10}, and D = {1, 2, 7, 9}, answering the following: 1- a) What is A ∪ C? 2- b) What is A ∩ D? 3- c) What is A'∩ (B ∪ C)? 4- d...
*January 30, 2012*

**Geometry**

The measures of 6 of the interior angles of a heptagon are: 120°, 150°, 135°, 170°, 90°, and 125°. What is the measure of the largest exterior angle? 90° 80° 75° 85°
*January 23, 2012*

**Geometry**

The point A (3, 4) is reflected over the line x = 2, and then is reflected over the line x = -4. What are the coordinates of A'? (1, 2) (9, 4) (-9, 4) (1, 4)
*January 23, 2012*

**Geometry**

The point A (3, 4) is reflected over the line x = 2, and then is reflected over the line x = -4. What are the coordinates of A'? (1, 2) (9, 4) (-9, 4) (1, 4)
*January 23, 2012*

**Geometry**

The measures of 6 of the interior angles of a heptagon are: 120°, 150°, 135°, 170°, 90°, and 125°. What is the measure of the largest exterior angle? 90° 80° 75° 85°
*January 23, 2012*

**Geometry**

The point A(-2, 3) is translated using T: (x,y) ¨ (x + 4, y + 2). What is the distance from A to A'? square root 6 2 square root 2 5 2 square root
*January 19, 2012*

**Geometry**

The point A(-2, 3) is translated using T: (x,y) → (x + 4, y + 2). What is the distance from A to A'? square root 6 2 square root 2 5 2 square root 5
*January 19, 2012*

**Geometry**

The quadrilateral with these following vertices is a parallelogram. (-4, -3), (2, -3), (4, -6), (-4, -6) True False
*January 19, 2012*

**geometry**

The equation of a circle is(x-3)squared plus (y+2)squared.The point (8,-2)is on the circle.What is the equation of the line that is tangent to the circle at (8,-2)? y=8 x=8 x=3 y=3
*January 18, 2012*

**geometry**

The coordinate of the midpoint of segment AB is (-3, 2). Find the coordinate of A if the coordinate of B is (0, 2). A = (-6,2) (-3/2,2) (3,2)
*January 16, 2012*

**geometry**

Answer has to be in exact form.Find the area of a segment formed by a chord 8" long in a circle with radius of 8".
*January 15, 2012*

**geometry**

Answer has to be in exact form. Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.
*January 15, 2012*

**Math**

The equation of a circle C is x^2 +y^2 +2x−4y−44=0 x^2+y^2+2x-4y-44 =0 What is its center (h,k) and its radius r
*December 31, 2011*

**math**

find the members of arc tan (-1)
*December 18, 2011*

**algebra compare rational numbers**

are numbers 6-12 negative number?
*December 7, 2011*

**algebra compare rational numbers**

I havent looked at all of them yet, give me a minute and I will, but you definitely don't have them all wrong.
*December 7, 2011*

**algebra compare rational numbers**

#2 is 3/4 > 3/8
*December 7, 2011*

**7th grade English**

Can someone please read this and check if my grammar is correct? Also, is there a protagonist or antagonist in the story? Thanks in advance! The waters were calm today so when I heard a splash as loud as a tarpon, I knew it wasn’t pelican. I sped toward the sound just in ...
*December 7, 2011*

**chemistry**

Calculate the heat transferred when a 8 g of iron nail is cooled from 50oC to 18oC. The specific heat of iron is 0.45 J/goC.
*December 4, 2011*

**English**

What good book report needs to contain?
*November 29, 2011*

**physics**

Approximately how far will the people have to travel to move the truck 1.5m if |Truck force is 4500N and people are 1200N?
*November 29, 2011*

**Algebra 2**

A=2*3.14*pw A=22cm squared w=2 solve for p
*November 17, 2011*

**trig**

-Find sin(x+y), cos(x-y), tan(x+y) and the quadrant of x+y sinx=-3/5, cosy=-7/25, x and y in Q3
*November 16, 2011*

**geometry**

the means of a proportion are 4 and 17. List all possible oairs of positive integers that could be the extremes of the proportion
*November 15, 2011*

**Math **

25^-1+3(5^-1)^2 (4+8)^0-5^-2 (-1/2)^3+4^-3 (-3)^-1+4^0-6^-1
*October 29, 2011*

**Chemistry**

A certain weak base has a Kb of 8.10 × 10-7. What concentration of this base will produce a pH of 10.00?
*October 25, 2011*

**Physics**

A ferry is crossing a river. The ferry is headed due north with a speed of 2.8 m/s relative to the water and the river’s velocity is 4.9 m/s to the east. a) What is magnitude of the boat’s velocity relative to Earth
*October 17, 2011*

**Physics**

A ferry is crossing a river. The ferry is headed due north with a speed of 2.8 m/s relative to the water and the river’s velocity is 4.9 m/s to the east. a) What is magnitude of the boat’s velocity relative to Earth
*October 17, 2011*

**algebra**

Find a formula that expresses the fact that P(x, y) is a distance 9 from the origin.
*October 3, 2011*

**geometry**

Suppose points A, B, and C have the coordinates given below. Find y such that C is on the perpendicular bisector of segment AB. A(−1, 4), B(7, −2), C(9, y)
*October 3, 2011*

**Social Science**

Suppose a friend of yours suggests that poor people and affluent people have different rates of involvement in marihuana use. You will interview 100 adults outside of Grand Central station and you will ask them some questions. How involved are you in marihuana use and what ...
*September 29, 2011*

**geometry**

AB=AC ac
*September 27, 2011*

**quantative **

Provide one pair of variables that might be related to one another
*August 17, 2011*

**Mathematics**

Do you know why this method would be used?
*August 11, 2011*

**Mathematics**

Kari is 10 years old. her sister is half her age. Explain why 10 x 1/2 can be used to find her sisters age?
*August 11, 2011*

**math**

write a cosecant function with a period of 4pi, phase shift of 4 pi, and vertical shift of 8. My answer:csc(theta/2-8pi)-8
*August 10, 2011*

**math**

tan(3arc cos3/4)? =3cos3/4 =cos=4 sqrt17/4 = tan
*August 9, 2011*

**Math**

nope its not tan^-1. I need to find cos using what I have which is tan 7/8
*August 9, 2011*

**Math**

If the angle is between 0 degrees and 90 degrees what is cos of tan 7/8? =.753
*August 9, 2011*

**Earth Science?**

What is the climate? Darwin, Australia has its coolest month in July, with an average temperature of 77 degrees F. It has a dry season from May to October. The grassy areas nearby are home to cattle ranches. a) Not tropical b) Tropical rainforest c) Tropical monsoon d) ...
*May 20, 2011*

**english**

I need help on Eve Merriam (she is a poet). I have to answer the following questions: 1)Does the poet display similar themes in many different poems? Describe any reoccuring themes. 2)What was going on in the poet's lifetime? Did the time period the poet lived in influence...
*May 17, 2011*

**CHEMISTRY**

4BF3+3H2O=H3BO3+3HBF4 if the reaction vessel contains 0.496 mol BF3 and 5.63g of H2O, which compound is the limiting reactant? how many molesof HBF4 can be produced?
*April 19, 2011*

**CHEMISTRY **

CALCULATE THE MASS OF Na3PO3 PRODUCED AFTER 28.0g OF H3PO3 IS TREATED WITH 42.0g OF NaOH, AND ALSO CALCULATE THE MASS REMAINING OF THE EXCESS REAGENT. H3PO3+ 3NaOH = Na3PO3+ 3H2O
*April 19, 2011*

**chemistry**

ASSUME THE FORMULA OF GASOLINE AS C8H18 AND ITS DENSITY IS 0.71g/ml. IF A CAR GETS 26.2mi/gal (1GAL=3.785L), WHAT IS THE MASSOF CO2 PRODUCED IN A TRIP OF 225mi.? ASSUME COMPLETE COMBUSTION OF GASOLINE. C8H18+25/2 O2= 8CO2+ 9H2O
*April 19, 2011*