Thursday

October 30, 2014

October 30, 2014

Total # Posts: 73,500

**Science**

Thank you i tried to say thank you on my last post but it wouldnt let me.
*October 15, 2014*

**Science**

In humans, having dimples is a dominant trat. In order for a child to have dimples A. at least one parent must not have dimples and pass on the recessive allele. B. both parents must not have dimples and pass on the recessive allele. C. both parents must have dimples and pass ...
*October 15, 2014*

**Science**

What is a muation? A. A mutation is a permanant change in the order of bases in the DNA. B. A mutation is a temporary change in the order of bases in the DNA. C. A mutation is a permanant change in the way a cell carries out mitosis. D. A mutation is a temporary change in the ...
*October 15, 2014*

**english**

Which is the correct pronunciation of machines? a. MACK-ines b. mack-EENZ c. MUH-sheenz d. muh-SHEENZ I think that it's either c or c.
*October 15, 2014*

**Science**

In a praticular breed of cattle, a black coat is dominant over a red coat. If a cow with a red coat is crossed with a black bull that is heterozygous for coat color, what percentage of their offspring would you expect to be black? A. 25% B. 50% C. 75% D. 100% Is the answer C? ...
*October 15, 2014*

**Science**

Thank you
*October 15, 2014*

**Science**

A dog is trained to sit and shake hands. These traits are most likely A. Inherited B. Not inheited C. Not aquried D. Innate Is the answer B?
*October 15, 2014*

**Algebra Help**

Determine without graphing, whether the given quadratic function has a max value or min value and then find the value. F(x)=2x^2+16x-1
*October 15, 2014*

**Math**

Thank you
*October 15, 2014*

**Math **

What are the steps to show the quotient in simplest form? Be sure to include various key words. 0.000027 divided by 0.000009 My answer 0.000027 divided by 0.000009=3 Definition of a quotient The answer after you divide one number by another. The qutient in this problem is 3. ...
*October 15, 2014*

**psychology**

1. B 2. D 3. C 4. C 5. A
*October 15, 2014*

**Math**

Ok, so the answer is A? Thanks
*October 15, 2014*

**Math**

Which of the following appears to be an irrational number? A. 0.404404440... B. 0.783783783... C. -4/15 D. 6 Is the answer A?
*October 15, 2014*

**French**

How do you say my friends X and Y are there in French?
*October 15, 2014*

**Math**

A certain computer can perform 10^5 calculations per second. How many calculations can it perform ins 10 seconds? My answer: 10^5=100,000 Multiply by 10=10^6=1,000,000 Am I correct? Thank you
*October 15, 2014*

**Math **

Leah is making chocolate chip cookies and the recipe calls for 3/4 cup of chocolate chips. If she wants to make 2/3 of the recipe what fraction of the chips will she need?
*October 15, 2014*

**Math**

Which of the following appears to be an irrational number? A. 0.404404440... B. 0.783783783... C. -4/15 D. 6 Is the answer A?
*October 15, 2014*

**Math**

Thank you!
*October 15, 2014*

**Math**

Express 0.72 as a fraction in simplest form. A. 72/100 B. 100/72 C. 36/50 D. 18/25 Is the answer D?
*October 15, 2014*

**Algebra Help**

yes thank you!
*October 15, 2014*

**Algebra Help**

find real solutions sq.root 2x+5 - sq.root x+6 = 1
*October 15, 2014*

**proportion**

write 9/12 = 4/8 in the lowest proporton
*October 15, 2014*

**English**

Thanks!
*October 15, 2014*

**English**

Yes, I have read the story, but I don't seem to understand M. Loisel's motives for advising his wife not to tell her friend about the lost necklace. Was it because they feared a bad reputation?
*October 15, 2014*

**English**

Has anyone read "The Necklace"? I want some help on a few questions.
*October 15, 2014*

**Pre-Calc/Trig...**

Am I right? Consider the function y=x^2+5x-2. What would happen to the graph if (x - 3) was substituted in place of the x? A. The graph would shift up 3 units. B. The graph would shift down 3 units. C. The graph would shift 3 units to the right. <--- D. The graph would ...
*October 15, 2014*

**Argebra 2**

can some one help me out I am not a baker or maybe I should. If I was cooking a pie for 10 people how many pounds of apples will I purchase.
*October 15, 2014*

**Algebra Answer Check**

Change 28 to -10
*October 15, 2014*

**Algebra Answer Check**

What polynomial could you subtract from 5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 to give a difference of 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4? Is the answer k (the polynomial) = 7x^5 + 2x^4 - 3x^3 + x^2 + 6x - 28?
*October 15, 2014*

**Pre-Calc/Trig...**

Thanks.
*October 15, 2014*

**Pre-Calc/Trig...**

Help me please. Which of the following accurately depicts the transformation of y=x^2 to the function shown below? y=5(x-2)^2+1 A. Shift 5 units right, stretch vertically by a factor of 2, then shift up 1 unit. B. Shift up 1 unit, stretch horizontally by a factor of 5, then ...
*October 15, 2014*

**Calculus problem (PLEASE HELP!!)**

The diameter of a human pupil in millimetres is given by D= (2 + 4x^-0.3) / (1 + x^-0.3) where x is the luminance measured in candelas per square metre. Using this function,what is the diameter of the pupil when there is no light? What happens to the diameter of the pupil as ...
*October 15, 2014*

**Calculus (Need help)**

Not sure how do do this. Please help? Find all values of a and b so that the function is continuous for all x E R. f(x)= −3a + 4(x^5)b x ≤ −1 { ax − 2b −1 < x < 1 3x^2 − bx + a x ≥ 1
*October 15, 2014*

**Physics/science**

A stuntman drives a motorcycle off a 350 m cliff going 70 mph. The angle of elevation of the cliff is 21 degree. He is hoping to make it across a 261 m wide river and land on a ledge 82 m high. Does he make it? HELP ME PLSSSSSSS!!!!!
*October 15, 2014*

**Science**

A stuntman drives a motorcycle off a 350 m cliff going 70 mph. The angle of elevation of the cliff is 21 degree. He is hoping to make it across a 261 m wide river and land on a ledge 82 m high. Does he make it?
*October 15, 2014*

**Calculus I**

lim x→ ∞ of e^(−x) sin√x A little lost. Help would be appreciated.
*October 15, 2014*

**physics**

A worker on scaffolding 75 ft above the ground needs to lift a 410 lb bucket of cement from the ground to a point 25 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required
*October 15, 2014*

**Math**

Which number will have the same result, when rounded to the nearest ten or hundred? Is it 97, 118 and 5, 179 or 5,091?
*October 15, 2014*

**Physics**

The hydrogen atom contains 1 proton and 1 electron. The radius of the proton is approximately 1.0fm femtometers, and the radius of the hydrogen atom is approximately 53 pm (picometers). - Calculate the volume of the nucleus and the volume of the atom for hydrogen. - What ...
*October 14, 2014*

**Sales**

•Jim, Juan, Mary, and John are all managers for the same company •Jim always meets the sales goals •Juan exceeded the goal by 15% on Tuesday and 10% on Wednesday. •Mary’s goals for each day of the week are 5% lower than the goals for other managers. &#...
*October 14, 2014*

**Language Arts**

lol it is in the book u dont look lol
*October 14, 2014*

**Language Arts**

It's not in there. That's why I'm asking.
*October 14, 2014*

**Language Arts **

Which of the following should you do during your third read of the multi-draft reading process? a.identify the author's tone and viewpoint b.evaluate how the selection compares to another c. examine the type of organization used in the selection d. determine the author'...
*October 14, 2014*

**L.A. HELP**

Which of the following should you do during your third read of the multi-draft reading process? a.identify the author's tone and viewpoint b.evaluate how the selection compares to another c. examine the type of organization used in the selection d. determine the author'...
*October 14, 2014*

**Language Arts**

Based in the passage, why did the author write " The perfect house?" A. To show that women should be housewives and that Gabe was foolish. B. To show that Gabe was a strong woman and men were not equal to her. C. To show that women are more than house workers and ...
*October 14, 2014*

**algerbra 1**

Brett and his mom paid 36 to attend a dog show.an adult ticket was 3 times the cost of a child ticket. How much adult ticket?
*October 14, 2014*

**Language Arts**

Paragraph 4: Into this environment stepped a very determined woman. Frances Gabe hated housework. She said, "Housework is a thankless, unending job, a nerve-tangling bore. Who wants it? Nobody! With my jaw set hard, I was determined there had to be a better way!" ...
*October 14, 2014*

**Language Arts**

Thank you
*October 14, 2014*

**Language Arts **

Which line from the passage is an opinion? A. O'Keeffe was born in Sun Prarie, Wisconsin, in 1887 B. She had declared to one of her classmates, "I am going to be an artist" C. "When the spirit moves Georgia, she can do more than you can do in a week" D...
*October 14, 2014*

**Language Arts **

In which sentences does the boldfaced word contain the Latin root -lum-? A. The bear tucked into his cave for a long winter's (slumber). B. Hannah's face was (luminous) with the soft morning light. C. The (plumber) peered into the dark drainpipe. D. Harry felt (clumsy...
*October 14, 2014*

**Math**

900,000?
*October 14, 2014*

**Math**

If each of the 3,121 members in a community drank 267 glasses of water in a year, about how many glasses of water would be consumed by that community in a year? Estimate by rounding each term to the greatest place.
*October 14, 2014*

**chemistry**

Calcium metal is heated with oxygen gas to yield calcium oxide.
*October 14, 2014*

**Math**

Gary is 61 1/8 inches tall. his friends Gino and Gilbert are 56 1/2 inches tall and 63 1/8 inches tall, what is the average heigh of the three friends
*October 14, 2014*

**Algebra **

What polynomial could you subtract from 5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 to give a difference of 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4? Is the answer k (the polynomial) = 7x^5 + 2x^4 - 3x^3 + x^2 + 6x - 28?
*October 14, 2014*

**Physics**

What does it mean to have a 99.1% experimental uncertainty or percent deviation
*October 14, 2014*

**physics**

If each complete revolution of the pedals moves the bike 5.00m along its path, calculate the average force that must be exerted on the pedals tangent to their circular path. Neglect work done by friction and other losses. The pedals turn in a circle of diameter 38.4cm.
*October 14, 2014*

**Physics**

What do it mean to have a zero percent discrepancy?
*October 14, 2014*

**science**

When 90 kJ is removed from a 2-kg copper bar, its temperature drops from 200°C to 85°C. The specific heat of copper is
*October 14, 2014*

**physics**

a net force of 72 n is applied to a 48 kg box starting from rest for 8 s. what is the final velocity of the box?
*October 14, 2014*

**physics**

a 65 kg skateboarder is standing on a stationary .5 kg skateboard. the skateboarder steps off the skateboard with a horizontal veolicty of 1.5 m/s. what is the recoil velocity of the skateboard ignoring friction? I need help with set up.
*October 14, 2014*

**Algebra Answer Check**

(7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) Ans: 6x^3 + 8x^2 + 4x - 7
*October 14, 2014*

**complex numbers**

Reiny is correct for 2, I forgot to subtract 1 from 7 to get her answer. Sorry!! P.S. Go with Reiny, she is a tutor on this website, I was just trying to help though.
*October 14, 2014*

**complex numbers**

i know i mean how did you get it like how your answer so i can use it for my other questions.
*October 14, 2014*

**complex numbers**

thank you but can u show me how u got it?
*October 14, 2014*

**complex numbers**

1. I don't know 2. is -14 + 8i 3. is 2i+7-l I hope this helps! :)
*October 14, 2014*

**complex numbers**

1) 4b-5t(-a-3)i=7-8i 2) (7+4i) - (l+2i) 3) (3+2i) (-2+4i)
*October 14, 2014*

**Pre-Calc/Trig...**

Am i correct? A vertical shift is an example of a non-rigid transformation. True
*October 14, 2014*

**HISTORY**

Which of the following is not true about the Greek Bible? it contains 27 documents it’s a document from antiquity it is the only collection of documents produced by the early church it is the canonical Greek Bible of the churc
*October 14, 2014*

**drama**

The ability of writers to completely identify with their characters is A. hypocrisy. B. satire. C. negative capability. D. ambiguity.
*October 14, 2014*

**physics**

I really don't know how to explain it, so here is just the answers. "a. 0.47 m/s2 b. 480 N" I hope this helps! :)
*October 14, 2014*

**SS**

How do the conditions of Palliser's Triangle affect the people living there?
*October 14, 2014*

**Pre-Calc/Trig...**

am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1
*October 14, 2014*

**Proves**

Two lines intersect to form angle 1 comma space angle 2 comma space angle 3 comma space a n d space angle 4. The measure of angle 3 is 3 times the measure of angle 1 and m angle 1 equal m angle 2. Find the measure of each angle. Label your answers.
*October 14, 2014*

**Pre-Calc/Trig...**

okay, thanks for the help! :)
*October 14, 2014*

**Pre-Calc/Trig...**

Am i correct? The graph of y=3x^2-4x+2 opens downwards. FALSE The graph of y=2x^2-4x+2 has a y-intercept of (0,1). FALSE
*October 14, 2014*

**statistics**

A population has a mean of 300 and a standard deviation of 50. Suppose a sample of size 125 is selected and is used to estimate . What is the probability that the sample mean will be within +/- 3 of the population mean (to 4 decimals)?
*October 14, 2014*

**algreba2**

-2(3y-6)+4(5y-8)=92
*October 14, 2014*

**english**

what is the meaning of the quote of marriane Williamson? Our Deepest fear
*October 14, 2014*

**MATHS**

Evaluate the following expression using BODMAS rule (90/3*3+5)/(-2*3+9)
*October 14, 2014*

**physics**

A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The horizontal velocity of the plane is 250 km/h (69.4 m/s). Rescue plane releases the supplies a horizontal distance of 425 m in advance of the mountain climbers
*October 14, 2014*

**PYSICS**

Suppose a vector \(\vec V\) makes an angle \(\phi\) with respect to the \(y\) axis.
*October 14, 2014*

**physics**

a fire hose held near the ground shoots water at a speed of 6.4m/s, at what angle should
*October 14, 2014*

**finance **

If interest rates increase after a bond issue, what will happen to the bond’s price and yield-to-maturity
*October 13, 2014*

**Math**

In a polynomial like 5x^5 + 4x^2 + 2, is 2 counted as a term?
*October 13, 2014*

**Ed. tech HELP!!!**

That's what I said; the answer is not C.
*October 13, 2014*

**Ed. tech HELP!!!**

Actually no thank you the answer was A not C!
*October 13, 2014*

**Ed. tech HELP!!!**

Thank you
*October 13, 2014*

**Ed. tech HELP!!!**

Action buttons allow you to do things like restart a presentation, go to the last slide, link to another slide, etc.
*October 13, 2014*

**Ed. tech HELP!!!**

When viewing a presentation, words on slides may appear to fly in and out or dissolve. What makes text in a presentation do this? A. The addition of text animations B. The addition of slide transitions C. The addition of Action buttons D. The addition of clip art Is the answer...
*October 13, 2014*

**Math**

In a circuit, the voltage, V, is given by the formula V = IZ, where I is the current and Z is the impedance. Both the current and impedance are represented by complex numbers. Find the voltage if current is 3 + 2i and impedance is 4 - i.
*October 13, 2014*

**English 1**

Be is the verb.
*October 13, 2014*

**English 1**

Yes.
*October 13, 2014*

**Math**

According to the 2010 census data , the population of Texas was about 2.5*10^7 people. The land area of Texas is about 2.6*10^5 m^2. Divide the average number of people per square mile in 2010. A. 0.96*10^2 B. 9.6*10^1 C. 0.96*10^35 D. 9.6*10^12 Is the answer A?
*October 13, 2014*

**math**

Find two positive decimals a and b that make the following statement true. Then find two positive decimals a and b that make the statement false. If a < 1 and b < 1, then a ÷ b < 1.
*October 13, 2014*

**Math**

Which is irrational? A. 0.117117117... B. 0.8596873205... C. 0.812812812812... D. 0.605605605... Is the answer B?
*October 13, 2014*

**Math**

Thank you
*October 13, 2014*

**Math**

0.166666667 so the answer is B?
*October 13, 2014*

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