Wednesday
September 28, 2016

Posts by sandra

Total # Posts: 1,114

Algebra
O.K. got it.
May 4, 2014

Algebra
Divide. (–6m^9 – 6m^8 – 16m^6) ÷ (2m^3) • –3m9 – 3m8 – 8m6 • –3m6 – 6m8 – 16m3 • –3m6 – 3m5 – 8m3 • –3m6 – 3m5 – 16m3
May 4, 2014

Algebra
3.43 hours?
May 3, 2014

Algebra
Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in 6 hours. Dorothy can finish them in 8 hours if she is working alone. How long will it take them to bake the cookies if they are working together? Round your answer to the ...
May 3, 2014

Algebra
Thank you - helps to know how.
May 3, 2014

Algebra
A catering company charges a $300.00 set up fee and $10.00 per person for a lunch buffet. Approximately how many people must attend the lunch so that the total cost per person is $14.00? (1 point) • 75 people • 30 people • 214 people • 440 people
May 3, 2014

Algebra
Thanks much
May 3, 2014

Algebra
Bob drove 120 miles on his vacation. He drove an average of 1.2 times faster on the 2nd 60 miles of his trip than he did on the first half of the trip. Which expression represents the time he spend driving? Let x=his speed on the first half of the trip. • 110/x • 120...
May 3, 2014

Physics
Mountain pull. A large mountain can slightly affect the direction of “down” as determined by a plumb line. Assume that we can model a mountain as a sphere of radius R = 3.00 km and density (mass per unit volume) 2.6 × 103 kg/m3. Assume also that we hang a 0.250...
May 2, 2014

Science
Sorry, I forgot to mark the one I think is the answer -- globa warming -- Thank you for your response. I am not a global warming fan so I wanted to be sure I answered the way they wanted me to.
May 2, 2014

Science
Am I correct? Which of the following is an example of human impact on climate changes? • the greenhouse effect • changes in solar output • global warming • changes in the tilt of Earth's axis
May 2, 2014

Physics/Algebra
That helps, thanks.
May 1, 2014

Physics/Algebra
Physics: For a 225-watt bulb, the intensity I of light in lumens at a distance of x feet is I=225/x^2. a. What is the intensity of light 5 ft from the bulb? b. Suppose your distance from the bulb doubles. How does the intensity of the light change? Explain.
May 1, 2014

Algebra
Thanks much, that helps a lot.
May 1, 2014

Algebra
Word problem: A new photocopier can make 72 copies in 2 min. When the older photocopier is operational, the two photocopiers together can make 72 copies in 1.5 min. How long would it take the older photocopier to make 72 copies working alone? Show work.
May 1, 2014

Geometry
Yes it is, thanks.
May 1, 2014

Geometry
Geometry: the width and area of a rectangle Is (4b^3+5b-3)/(2b-1) What is the length of the rectangle? Show work.
May 1, 2014

Algebra
Thanks much -- this help me learn.
May 1, 2014

Algebra
Thank you but can you put it in "factor form" or show how you got the answer?
May 1, 2014

Algebra
Divide this rational expression and polynomial (12x^2 + 9x-7)/(3x)
May 1, 2014

Algebra
I should know, eh? Thanks, Steve
April 29, 2014

Algebra
Simplifing rational expressions Simplify the expression & state any excluded values: (2s^2 - 5s - 12) / (2s^2 - 9s + 4)
April 29, 2014

Algebra
Thanks much!!!
April 28, 2014

Algebra
Simplify each expression. State any excluded values. (2x^2 + 6x) / 10x^3
April 28, 2014

Art and Creative development for Young children
Portfolios are a collaborative effort in that
April 26, 2014

Algebra
Sorry, and you are appreciated.
April 25, 2014

Algebra
what is the excluded value of the function? y = 4/(9x – 45) • –5 • 0.2 • 5 • –0.2
April 25, 2014

Algebra
Sorry, my oversight... what is the excluded value of the function? y = 4/(9x – 45) • –5 • 0.2 • 5 • –0.2
April 25, 2014

Algebra
y = (4)/(9x – 45) • –5 • 0.2 • 5 • –0.2
April 25, 2014

Biology 10B
According to the pressure-flow hypothesis, which of the following statements is not true • Water moves from the xylem to the phloem of a plant. • Water is necessary for sugars to move through phloem. • Phloem is able to move sugars in either direction to meet ...
April 24, 2014

Algebra
You are a great help.
April 23, 2014

Algebra
Suppose that y varies inversely with x, and y = 0.2 when x = 2. What is an equation for the inverse variation? y = 1.8x y = 0.4/x x = y/1.8 y = x/0.4
April 23, 2014

Algebra
Thanks much!
April 23, 2014

Algebra
I would appreciate the steps to the answer please... Suppose that y varies inversely with x, and y = 6 when x = 8. What is an equation for the inverse variation? • y = x/48 • y = 2x • x = y/2 • y = 48/x
April 23, 2014

English 10
Thank you.
April 22, 2014

English 10
Thank you; which one is it -- developing a subtopic?
April 22, 2014

English 10
All of the following are writing strategies associated with editing except • checking your spelling. • cleaning up formatting. • developing a subtopic. • fixing punctuation errors.
April 22, 2014

Stats
the typical saturday the oil change facility will perform 40 oil changes between 10 am and 12pm. treating this as a random sample, what mean oil change time would there be a 10% chance of being at or below? There is a 10% chance of being at or below a mean oil change time of ...
April 21, 2014

English
Very true, thank you.
April 18, 2014

English
Choose the correct usage to complete the sentence: Are you ______________ to be in here? Suppose or supposed
April 18, 2014

Algebra
Thank you, now I can.
April 18, 2014

Algebra
Add: (3/2a) + (5/2a) Possible answers: 8/4a, 2/a, 15/4a2^ or 4/a
April 18, 2014

Algebra
Thank you, it helps to know how...
April 18, 2014

Algebra
Add... 8 + (x-1) / (x+4)
April 18, 2014

Algebra
Thank you, but I don't know how. I will post the problem again. Those in the know should know the correct answer whether posted or not.
April 18, 2014

Algebra
Thank you but that is not one of the answers we can use: 8/4a, 2/a, 15/4a2^ or 4/a are the choices.
April 18, 2014

Algebra
Add (3/2a) + (5/2a)
April 18, 2014

Algebra
I always appreciate showing how it is done.
April 17, 2014

Algebra
Solve... (x+12) / (x+4) = (x) / (x+8)
April 17, 2014

Algebra
That is a great help, thanks.
April 17, 2014

Algebra
Solve? (10 / 3x) + (4/3) = (7 + x) / (2x)
April 17, 2014

Algebra
Okey, thanks
April 17, 2014

Algebra
What is the undefined value of... (3b^2 + 13b + 4) / (b + 4)
April 17, 2014

Algebra
Why are you asking me this question? I have no idea. I am the one who needs help.
April 16, 2014

Algebra
What is the undefined value of... (3b^2 + 13b + 4) / (b + 4)
April 16, 2014

Algebra
Thank you, that was strange. It really helps to see the steps to get to the answer. I understand it better.
April 16, 2014

Algebra
I have no idea what those questions are about. Never heard of them. What is Connexus?
April 16, 2014

Algebra
Subtract (x^2 – 1) / (x^2 – x – 2) – (x-1) / (x-2)
April 16, 2014

Algebra
Edie can paint a wall in 3 hours. Dan can paint the same wall in 6 hours. If they work together, how many hours will it take Edie and Dan to paint the wall?
April 16, 2014

Physics
Gravity on Mars is 1/3 of that on earth. If Mars atmosphere is only 2 km thick, what is atmospheric pressure on Mars?
April 16, 2014

Physics
An airplane is flying at an altitude of 2,000 m with a speed of 216 m/s. What is the pressure of air outside the plane?
April 16, 2014

Algebra
Thanks much
April 16, 2014

Algebra
John walked 10 miles on Saturday. He walked twice as fast on the second 5 miles of his walk than he walked on the first 5 miles of his walk. Which expression represents the time he spent walking? Let x = John's speed on the first half of his walk.
April 16, 2014

Algebra
That really helps, thanks.
April 16, 2014

Algebra
Multiply (x^2 + 8x + 15) / x – 4 * (x^2 – 16) / 2x + 6
April 16, 2014

Algebra
I don't understand your question since I don't know the value of b.
April 15, 2014

Algebra
What is the undefined value of: (3b^2 + 13b + 4) / (b + 4)
April 15, 2014

Algebra
Thanks much, that helps.
April 15, 2014

Algebra
Simplify (2a + 2) / a^2 – 1)
April 15, 2014

Algebra
Thank you, I always appreciate knowing the steps that leads to the solution that I can work.
April 15, 2014

Algebra
Divide (2x3 – x2 – 24x + 12) ÷ (2x – 1)
April 15, 2014

Algebra
Thank you
April 14, 2014

Algebra
What is the difference? (r+2 / r+4) – (3 / r + 1)
April 14, 2014

Algebra
What is the sum (1 / g+2) + (3 / g + 1)
April 14, 2014

Algebra
What is the sum (1 / 2b) + (b / 2)
April 14, 2014

Algebra
What is the difference (5x-2)/4x –(x-2)/4x
April 14, 2014

Physics
An airplane is flying at an altitude of 2,000 m with a speed of 216 m/s. What is the pressure of air outside the plane?
April 14, 2014

Physics
Gravity on Mars is 1/3 of that on earth. If Mars atmosphere is only 2 km thick, what is atmospheric pressure on Mars?
April 14, 2014

English
Please check if my answer is correct... Identify the INCORRECTLY punctuated sentence. In softball, pitchers throw the ball underhand; in baseball, the ball is thrown overhand. • Ice hockey is played on a rink; but field hockey is played outdoors. • Another difference...
April 11, 2014

Algebra
Thank you, I will. that will help me learn.
April 9, 2014

Algebra
written wrong the first time... [(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)] Is the answer? 1 / (3+1)
April 9, 2014

Algebra
[(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)] is the answer 1 / x + 3
April 9, 2014

English 10
Yes and copied for future reference. Thank you
April 9, 2014

English 10
I meant "lower case letters"
April 9, 2014

English 10
Lower case numbers
April 9, 2014

English 10
The general notation for your supporting points in an outline is • Roman numerals. • capital letters. • Arabic numerals.* • lowercase letters.
April 9, 2014

Algebra
4 This is hard for me to understand how to work them... What is the simplified form of the product [(x^2 + 8x + 15)/(x-4)] * [(x^2 – 16) / 2x + 6)]
April 9, 2014

Algebra
What is the quotient? [(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]
April 9, 2014

Algebra
I may not be writing this right... What is the simpliest form for the product? [(x + 1) / (x^2 – 25)] * [(x +5) / (x^2 +8x +7)]
April 9, 2014

Algebra 9
Steve, I am sorry, I left out a number: What is the quotient? [(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]
April 9, 2014

Algebra 9
What is the quotient [(x^2) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]
April 9, 2014

English 10
Which of the following should be done last when summarizing a source? • translate • evaluate • analyze • synthesize
April 8, 2014

Algebra
What are the coordinates of the x-intercepts of the graph of y = 2x2 + 6x – 20? • (–5, 0), (2, 0) • (5, 0), (–2, 0) • (–4, 0), (10, 0) • (4, 0), (–10, 0)
April 8, 2014

healthcare
Write a 700-1500 word paper that discussed the problems with health care among Latinos
April 7, 2014

Algebra
Yes a typo - thanks
April 7, 2014

Algebra
What is the simplified form of (2x -25)/(2x -3x -10)?
April 7, 2014

Algebra
What is the simplified form of 2x + 6 ? 4x - 8 (there should be a line between them.)
April 6, 2014

Algebra need help
I do not know how to do this - also please explain... What is the value of c so that y = x² + 9x + c is a perfect square trinomial?
April 4, 2014

Algebra Help
Sorry, I missed it. Thanks.
April 4, 2014

Algebra Help
What is the value of c so that y = x² + 9x + c is a perfect square trinomial?
April 4, 2014

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