Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 868

**In text citations**

for intext citations for a website in the parenthesis do you put the title of the website and the year you accessed it?

**Physics **

The diagram shows a weightlifter in the initial stages of his lift. He lifts two 70 kg masses connected to a 10 kg bar. In addition, there are two upward forces : 795N and 810N a. Calculate the total weight that he is lifting? b. Calculate the size of the acceleration of the w...

**English**

No italicized words.

**English**

Not sure... Choose the citation that uses the correct MLA capitalization, punctuation, and formatting rules for a book. • Julia Alvarez. In the Time of Butterflies. San Francisco–California Press, 2005. • In the Time of Butterflies by Julia Alvarez. San Francisc...

**Algebra**

Thank you

**Algebra**

Need help, I think it is 2/25. Do you have an equation that I can figure it? You choose a marble at random from a bag containing eight brown marbles, six yellow marbles, and one purple marble. You replace the marble and then choose again. Find P(both yellow). • 2/25 •...

**Algebra**

Thanks much.

**Algebra**

I think it is 9/10 but not sure

**Algebra**

A meteorologist says that the probability of snow today is 45%. What is the probability that it will not snow? • 2/11 • 9/10 • 11/20 • 9/11

**Algebra**

You spin a spinner that has eight equal-sized sections numbered one to eight. Which event is least likely to occur? • The number is even. • The number is less than three. • The number is greater than three. • The number is a multiple of five.

**Algebra**

What is the probability that a number picked from the set {–4, –3, –2, –1, 0, 1, 2, 3, 4, 5} will be a solution of 2x + 5 > 1? • 20% • 30% • 70% • 80%

**Algebra**

A website requires a four-digit numerical password in which the digits cannot repeat. How many possible passwords are there? • 24 • 5,040 • 151,200 • 3,628,800

**Algebra**

the answer is the second one

**Algebra**

I am confused about this... A survey is being conducted to determine the favorite movies for various ages. Which of the following best describes this survey? • qualitative and univariate • qualitative and bivariate ? • quantitative and univariate • quantita...

**biology **

What part absorbs light and converts it into nerve impulses What part bends light that enters the eye so that what you see is focused on your retina What part transfers the image the eye sees to the brain for perception

**biology **

The hypothalamus secretes a hormone called GnRH that makes the anterior pituitary gland release FSH, referred to as (A)__________ hormone, and LH, or luteinizing hormone. As the levels of these two hormones increase, the oocyte and layer of cells that nourish it grow. As this ...

**Algebra**

Interesting

**Algebra**

What is the median of the data set below? 275, 257, 301, 218, 265, 242, 201 • 201 • 230 • 257 • 270

**ALGEBRA**

A store sells five models of cameras for $190.00, $420.00, $270.00, $300.00, and $420.00. If the sales tax rate is 6%, what are the mean, median, mode, and range of the total cost of the cameras? • mean = $318.00 median =$339.20 mode = $445.20 range = $21.20 • mean =...

**HS Digital Arts**

Ugly but I chose Hoch & Schwitters

**HS Digital Arts**

Which of the following artists were known for their collages? • Andrea Mantegna and Vincent van Gogh • Thomas Eakins and Anna Boch • Kate Greenaway and Mary Stevenson Cassatt • Hannah Hoch and Kurt Schwitters

**ENGLISH**

Declarative

**ENGLISH**

Thank you Writeacher - big help!!!

**ENGLISH**

Identify the type of sentence: Josh and I are meeting for pizza at noon today. • declarative • imperative • interrogative • exclamatory

**ALGEBRA**

(not for Ms.Sue) Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean = 8.5, m...

**ENGLISH**

Ms. Sue, you are not really helpful. It would be nice if you would give more advice except to say "both of you are wrong."

**ENGLISH**

Identify the correctly punctuated sentence. I marked the one I think it is. • Doing my homework, making my bed, and practicing guitar are on my to-do list for the day. • Doing my homework, is the first thing I should do. • Doing my homework I found my mind start...

**ALGEBRA**

I am helping someone else and need to know how it works.

**ALGEBRA**

Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 (1 point) • mean = 9.3, median = 8, mode = 13 • mean = 8.5, median = 10, mode = 13 • mean = 9.3, median = 10, mode = 13 • mean = 8.5, median =...

**ALGEBRA**

Simplify (2(sqrt)+3(sqrt)7)2. Show how. Justify each step.

**ALGEBRA**

Thanks much - that helps a lot

**ALGEBRA**

Simplify 4(sqrt)6/(sqrt)30 by rationalizing the denominator. Show how.

**ALGEBRA**

Thank you

**ALGEBRA**

The size of a television is given by the length of the diagonal of the screen. The ratio of the height to the width of wide flat-screen TV is 8:15. Find expressions for the width and height of a wide-screen TV in terms of the length of its diagonal.

**Art**

What is value? • the lightness or darkness of a color • the intensity of a color • the number of colors being used in a 2D artwork • the difference between two colors

**ALGEBRA**

Solve for b. [sqrt] b^4/25=4 I do not know how to type two of the possible answers.

**ALGEBRA**

Thanks much

**ALGEBRA**

A right triangle’s hypotenuse is 20 cm long. What is the length of the side opposite a 60° angle? Give your answer to the nearest tenth of a centimeter. • 40 • 18.5 • 20 • 17.3 Please show how.

**ALGEBRA**

I may not be writing it correctly but I did find out it was x =45. Thanks for you help.

**ALGEBRA**

2nd posting - my mistake When will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 • x ≥ –0.17 • x ≥ 45 ** is it this one? • x ≥ 48 • x ≥ 53

**Algebra**

I am not sure I am writing this correctly: What is the domain of the function y=3(sq rt)6x+42 • x ≥ 0 • x ≤ 7 • x ≥ –6 • x ≥ –7

**Algebra**

The function t=[(sqrt)(d/16)] models the time (t) in seconds that an object has been falling after the object has fallen d feet. When will the time be more than 1 minute? • d ≥ 16 ft • d ≥ 225 ft • d ≥ 3,600 ft • d ≥ 57,600 ft

**Algebra**

Yes, I am not sure how to write it out. Do you know where I can get the symbol for square root? I can't find it in the "Symbol" tools.

**Algebra**

When will the dependent variable in the equation Y=[(sqrt)(x+4-3)] equal or exceed 4? • x ≥ –0.17 • x ≥ 45 • x ≥ 48 • x ≥ 53

**ALGEBRA**

I think this is the right way???? When will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 • x ≥ –0.17 • x ≥ 45 • x ≥ 48 • x ≥ 53

**ALGEBRA**

When will the dependent variable in the equation Y=[(sqrt)(x+4-3)] equal or exceed 4? • x ≥ –0.17 • x ≥ 45 • x ≥ 48 • x ≥ 53 Show how.

**ALGEBRA**

Simplify. (x^2-3x-10)/(x+2) How? (I don't have any answers for this one)

**ALGEBRA**

The temperature, T, of a given mass of gas varies inversely with its volume, V. The temperature of 20 cm3 of a certain gas is 15°C. What will the temperature be when it is compressed to a volume of 5 cm3? • 10°C • 300°C • 6.67°C • 60°C How?

**ALGEBRA**

That helps a lot, thanks.

**ALGEBRA**

Solve. 1/(3x-6) – 5/(x-2) = 12 • X=34/9 • X= -29/18 • X= -34/9 • X=29/18 How?

**Algebra**

No problem, got this one.

**Algebra**

Simplify into one fraction. 3/(x-3)-5/(x-2) • (-2x + 9)/(x-3)(x-2) • (-2x)/(x-3)(x-2) • (-2x -9)/(x-3)(x-2) • (2x+9)/(x-3)(x-2) How?

**ALGEBRA**

Thanks so much

**ALGEBRA**

In the meantime I got the last one but this one I can't figure... Divide. [(x^2-9)/(x-5)]/(x+3) • (x-3)/(x-5) • (x-5)/(x-3) • [(x+3)/(x-3)]/(x-5) • (x+3)/(x-5) How?

**ALGEBRA**

Lost in the shuffle; sending again... Simplify into on fraction. (-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) • (-5x-7)/(x+3)^3 • (-5x+7)/(x+3)^2

**ALGEBRA**

Multiply: (K+3)/(4K-2)*(12K^2 + 2k – 4) • 3(k+3)/(3k+2) • 3(k+3)(2k-1)/2 • (x-5)(3x+2) • (x-5)(12x+8) How? 11

**Algebra**

Simplify into on fraction. (-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) • (-5x-7)/(x+3)^3 • (-5x+7)/(x+3)^2 How?

**Algebra**

Simplify. (3/5a)*(1/a^2) • 3/5a^2; where a ≠ 0 • 3/5a^2 • 3/5a^3; where a ≠0 • 4/5a^2; where a ≠0 How?

**Algebra**

Simplify. x/(7x+x^2) • 1/(7+x); where x ≠-7 • 1/(7x); where x≠0 • 1/(7+x); where x≠0,-7 • 1/7 How?

**Algebra**

Solve. (–10x3 + 30x – 20) ÷ (–5x + 5) • 2x2 – 2x + 4 • –2x2 – 2x – 4 • –2x2 + 2x + 4 • 2x2 + 2x – 4 How?

**Algebra**

I have to identify the system of equations, if any for: -2x-4=1, 12=-6x-3 no solution? infinitely many solutions? (0,-1)? or (-1,0)?

**Algebra**

My lapse in memory... Solve. (2/x) + (12/x) =7 • x = 2 • x = –2 • x = 28 • x = –28

**Algebra**

Solve. • x = 2 • x = –2 • x = 28 • x = –28 How?

**Algebra**

It always help to see how it is done. Thanks.

**Algebra **

The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 7 hours to drive the distance at 55 miles per hour, how long will it take to drive the same distance at 65 miles per hour? • about 6.25 hours • about 385.00 hours •...

**Algebra**

O.K. got it.

**Algebra**

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

**Algebra**

3.43 hours?

**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 neare...

**Algebra**

Thank you - helps to know how.

**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

**Algebra**

Thanks much

**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...

**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...

**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.

**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

**Physics/Algebra**

That helps, thanks.

**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.

**Algebra**

Thanks much, that helps a lot.

**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.

**Geometry**

Yes it is, thanks.

**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.

**Algebra**

Thanks much -- this help me learn.

**Algebra**

Thank you but can you put it in "factor form" or show how you got the answer?

**Algebra**

Divide this rational expression and polynomial (12x^2 + 9x-7)/(3x)

**Algebra**

I should know, eh? Thanks, Steve

**Algebra**

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

**Algebra**

Thanks much!!!

**Algebra**

Simplify each expression. State any excluded values. (2x^2 + 6x) / 10x^3

**Art and Creative development for Young children**

Portfolios are a collaborative effort in that

**Algebra**

Sorry, and you are appreciated.

**Algebra**

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

**Algebra**

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

**Algebra**

y = (4)/(9x – 45) • –5 • 0.2 • 5 • –0.2

**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 th...

**Algebra**

You are a great help.

**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

**Algebra**

Thanks much!

**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

**English 10**

Thank you.

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