# Posts by jane

Total # Posts: 1,637

**Science**

How do lifestyle diseases differ from other diseases?

*April 9, 2014*

**Algebra**

Maria's average speed for a 6 hour trip was 40kph. For the first 4 hours, she drove at an average rate of 50kph. What was her average speed for the last 2 hours?

*April 8, 2014*

**Algebra 2**

How do I find the equation of an ellipse with: Vertices: (-7,10), (-7,-10) Foci: (-7, square root of 19) (-7, - square root of 19) I think the center is (-7,0) and a^2 is 49 I just don't know how to get c^2 so I cant get b^2

*April 7, 2014*

**Biology**

Can someone please tell me if I have the right answers? Pasteur's experiments led to which theory? A. biogenesis theory B. endosymbiont theory C. evolution theory D. spontaneous generation theory I think its A or D Scientists have fossil evidence for which idea for the ...

*April 6, 2014*

**PreCalculus**

The cost C (in dollars) of manufacturing x wheels at Deon's Bicycle Supply is given by the function C(x)= 0.1x^2-60x+22,744. What is the minimum cost of manufacturing wheels? Do not round your answer.

*March 25, 2014*

**Math**

if I have 1 defect in a batch of 54 widgets, what is my quality index?

*March 21, 2014*

**science(check answers)**

Emily

*March 12, 2014*

**science(check answers)**

I got 100%(Thanks:)

*March 12, 2014*

**Computer Tech**

Are they Daydreamin' and Yours Truly?

*March 6, 2014*

**Computer Tech**

I am doing a powerpoint/photoshop project in my computer tech class about a singer that has recently become famous in the world of music. The artist I am researching is Ariana Grande. When I was looking for her albums I found two: Daydreamin' and Yours Truly. Some websites...

*March 6, 2014*

**Math**

A golfer stands 420ft(140 yd) horizontally from the hole and 50ft above the hole. Assuming the ball is hit with an initial speed of 120ft/s, at what angle should it be hit to land in the hole? Assume the path of the ball lies in a plane.

*March 6, 2014*

**Computer Tech**

Thank you!

*March 5, 2014*

**Computer Tech**

I have to do a power point on a singer who has recently become famous. I chose Ariana Grande because she only has two albums. I have been trying to find her song and album release dates but cant find a website. Can someone please see if they could find one? It would be a big ...

*March 5, 2014*

**Algebra 2**

Thank you!

*March 4, 2014*

**Algebra 2**

Okay so I fixed the next two because I added the fractions wrong. 2. y=(1/2)x-(11/4) 3. y=(5/3)x-4

*March 4, 2014*

**Algebra 2**

What am I doing wrong? slope m=(8-6)/(1--5)= m=2/6= m=1/3 m=-3 midpoint (-5+1)/2, 8+6/2)= (-4/2, 14/2)= (-2, 7) y=mx+b= 7=-3(-2)+b = 7=6+b = 1=b equation y=-3x+1

*March 4, 2014*

**Algebra 2**

Can someone please check my answers? The question is: Write an equation for the perpendicular bisector of the line segment joining the two points. (-5,6),(1,8)= y=-3x+1 (1,4),(6,-6)= y=(1/2)x-(3/4) (5,10),(10,7)= y=(5/3)x-(17/3)

*March 4, 2014*

**Algebra 2**

Can someone please explain how to do this problem? A regional soccer tournament has 64 participating teams. In the first round, the number of games played decreases by a factor of one half. Find a rule for the number of games played in the regional soccer tournament. I tried ...

*February 24, 2014*

**Algebra 2**

I can't figure out how to find the n on top of the sigma. I have the rest of the equation but I just don't know what to do. I'll use "E" for sigma. nEi=1 (10-3i)=-28 Can someone please show me how to do this problem?

*February 19, 2014*

**Algebra 2**

I can't figure out how to find the n on top of the sigma. I have the rest of the equation but I just don't know what to do. I'll use "E" for sigma. nEi=1 (-5+7i)=486 Can someone please show me how to do this problem?

*February 19, 2014*

**physics**

A truck is pulling a car. FT is the magnitude of the force that the truck exerts on the car FC is the magnitude of the force that the car exerts on the truck Consider the following scenarios independently. 1)The truck is driving with a constant velocity, but as it turns out, ...

*February 13, 2014*

**Science! just one question! help ASAP plzzz**

Photosynthesis is required for this process to occur.

*February 11, 2014*

**Algebra 2**

Can someone please explain how to do this problem? Woodrow wins a tic-tac-toe game 65% of the time when he chooses the first square and 32% of the time when his opponent chooses the first square. The player who plays first is chosen by a coin toss. What is the probability that...

*February 9, 2014*

**Algebra 2**

Can someone please check my answers? Find the probability of drawing the given cards from a standard dick of 52 cards (a) with replacement and (b) without replacement. 1.A red card, then a black card a. 1/4 b. 13/51 2.A ten, then the ace of hearts a. 1/676 b. 1/663 3.A face ...

*February 9, 2014*

**Algebra 2**

Do I add them and that's it or do I do something else?

*February 4, 2014*

**Algebra 2**

Theres 12 face cards (4 queens, 4 kings, and 4 jacks) and 4 fours. What would you do with 12/52 and 4/52?

*February 4, 2014*

**Algebra 2**

How would you find the probability of drawing a face card and a 4 out of a standard deck of 52 cards? I got 4/13 but I don't think its right.

*February 4, 2014*

**Algebra 2**

Can someone please explain how to do this problem? The probability that it will rain today is 65%, and the probability that it will rain tomorrow is 25%. The probability that it will rain both days is 35%. What is the probability that it will rain today or tomorrow?

*February 4, 2014*

**Algebra 2**

Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13 5.An ace and a spade...

*February 3, 2014*

**Algebra 2**

Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13 5.An ace and a spade...

*February 3, 2014*

**English**

Would this be a good thesis to a paper about someone's life? Even though Karlee has a big interest in farming, she wants to take her life in a slightly different direction.

*February 3, 2014*

**English**

How do you write a thesis statement that doesn't sound like a roadmap. My teacher wants us to have a hook, which I have, then a thesis, and then the roadmap. I don't know how to write a thesis that doesn't sound like the roadmap.

*February 3, 2014*

**am history**

During the bitter struggle over reconstruction policy, Congress overrode Johnson's veto of the

*January 29, 2014*

**am history**

Which of the following nineteenth -century inventors is associated with Menlo Park in New Jersey? A. Gustavus F. Swift B. Alexander Graham Bell C. Cyrus W. Field D. Thomas Alva Edison

*January 29, 2014*

**am history**

General Grant's army came closest to defeat in the West as a result of a surprise Confederate attack at the Battle of

*January 29, 2014*

**Algebra 2**

How would I reduce the equation 7n=n-5n(n+4)

*January 23, 2014*

**Algebra 2**

Thank you

*January 23, 2014*

**Algebra 2**

What do I do after I have the equation at 8+64n = 8n

*January 23, 2014*

**Algebra 2**

Thank you

*January 22, 2014*

**Algebra 2**

How do I get 0 and 7 out of 2x^2 = x^2 +7x

*January 22, 2014*

**artist**

What do you expect from an art education? How will it help you reach your life and career goals ? What are three of your strengths ? explain how two of your strengths have contributed to your success in art school, in art , or in your life.

*January 14, 2014*

**Math please help quick**

Which of the following are identities? Check all that apply. (Points : 2) sin2x = 1 - cos2x sin2x - cos2x = 1 tan2x = 1 + sec2x cot2x = csc2x - 1 Question 4. 4. Which of the following equations are identities? Check all that apply. (Points : 2) Question 5. 5. The expression ...

*January 12, 2014*

**SCIENCE HELP PLEASE**

3. Which of the following methods of reporting research is not followed by most scientists? (Points : 1) publishing a research paper online publishing a research paper in print holding a press conference presenting a talk at a meeting Question 4. 4. Who decides whether a paper...

*January 8, 2014*

**SCIENCE HELP PLEASE**

3. Which of the following methods of reporting research is not followed by most scientists? (Points : 1) publishing a research paper online publishing a research paper in print holding a press conference presenting a talk at a meeting Question 4. 4. Who decides whether a paper...

*January 8, 2014*

**Algebra 2**

Inverse for both I think. Right?

*January 6, 2014*

**Algebra 2**

I am trying to figure out if these problems are Direct Variation, Inverse Variation, or Neither. Could someone please check my answers? m=-5p Direct c=e/-4 Neither c=3v Direct r= 9/t Inverse n=(1/2)f Direct u=I/18 Neither d=4t Direct z= -0.2/t Inverse

*January 6, 2014*

**Chemistry**

How do you express relative amounts pf each element in a compound?

*January 6, 2014*

**Chemistry**

If 1.50 g of H2C2O4 2H2O were heated to drive off the water of hydration, how much anhydrous H2C2O4 would remain? Thank you! Please explain clearly.

*December 19, 2013*

**Algebra 2**

How do you solve this equation? -3e^2t=-480

*December 18, 2013*

**Algebra 2**

I think I figured it out. 85/2=42.5 log5=log42.5 log42.5/log5 =2.330 to the third decimal

*December 18, 2013*

**Algebra 2**

How do you solve this exponential equation using logarithms? 2*5^x=85 Do you start like this? xlog2*5=log85 I don't know what to do after that.

*December 18, 2013*

**Science**

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from Earth. If you are about 11 years old now, how old will you be when light that is leaving Arcturus today reached Earth? How far, in kilometers, will it have traveled? please explain ...

*December 16, 2013*

**math**

$400 times 5.4 times 1

*December 9, 2013*

**science**

A 50 N girl climbs the ladder with a 60 N painting in 5 seconds. She has done 120 J of work. How much power does she need?

*December 9, 2013*

**Math- Trigonometry**

The flowering of many commercially grown plants in greenhouses depends on the duration of natural darkness and daylight. Short-day plants, such as chrysanthemums, need 12 or more hours of darkness before they will start to bloom. Long day plants, such as carnations...

*December 8, 2013*

**5th grade science**

Which of the following best describes an electric charge? -Positive or negative terminal of a battery -property of electrons, protons, and neutrons -materials that conducts current -has a north pole and a south pole

*December 6, 2013*

**5th grade science**

Which of the following is an example of a nonmnetal conductor? copper wire, salt water, plastic covering of a wire, or cotton clothing?

*December 6, 2013*

**science**

Which of the following best describes an electric charge? -Positive or negative terminal of a battery -property of electrons, protons, and neutrons -materials that conducts current -has a north pole and a south pole

*December 6, 2013*

**science**

Which of the following is an example of a nonmnetal conductor? copper wire, salt water, plastic covering of a wire, or cotton clothing?

*December 6, 2013*

**Biology 1**

Does anyone know of a Photosynthesis concept map that includes all of the following: Photons, thylakoids, reactions, sun, NADPH, carbohydrates, xanthophyll, wavelength, pigments, stroma, product, photosynthesis, NADP+, visible light, glucose, energy, glucose, energy, ...

*December 5, 2013*

**Algebra 2**

Thank you

*December 5, 2013*

**Algebra 2**

I am trying to find the inverse of these functions. Can someone please check my answers and tell me how to do number 2? 1. y=7^x y=log base 7 x 2. y=log base 1/2 x 3. y=2^(x)-3 y=2^(x+3) 4.y=6+log x

*December 5, 2013*

**Math**

twice a number minus a second number is -1. twice the second number added to three times the first number is 9. find the two numbers.

*December 1, 2013*

**English**

How do you site a reference book? Also, does anyone know a website that would tell me how to site a primary source, a website, and a magazine?

*December 1, 2013*

**Physics**

Neutrons have a rest mass of 1.6749*10-27 kg (equivalent to 939.6 MeV). If a certain neutron has a total energy of 949 MeV, what are its relativistic mass energy in MeV, its speed in m/s, its kinetic energy in MeV, and its momentum in kg.m.s-1?

*November 28, 2013*

**science**

Neutrons have a rest mass of 1.6749*10-27 kg (equivalent to 939.6 MeV). If a certain neutron has a total energy of 949 MeV, what are its relativistic mass energy in MeV, its speed in m/s, its kinetic energy in MeV, and its momentum in kg.m.s-1?

*November 26, 2013*

**Physics**

Posting this question again Design an AC circuit with R, L, and C components so that it can achieve output voltage in a given load to be doubled in amplitude (magnitude) while achieving increase in the phase shift of the output voltage of 45 more than the phase of the input ...

*November 20, 2013*

**Physics**

It doesn't say

*November 20, 2013*

**Physics**

Design an AC circuit with R, L, and C components so that it can achieve output voltage in a given load to be doubled in amplitude (magnitude) while achieving increase in the phase shift of the output voltage of 45 more than the phase of the input voltage. Use 60Hz as the ...

*November 20, 2013*

**math**

499790000

*November 14, 2013*

**Algebra**

A chemist has two solutions of sulfuric acid. The first is one half sulfuric acid and half water. The second is three-fourths sulfuric acid and one fourths water. He wishes to make 10 liters of a solution which is two-thirds sulfuric acid and one-thirds water. How many liters ...

*November 10, 2013*

**English**

Can someone please check my answers? *Cross out any prepositional phrase. Underline the subject once and the verb/verb phrase twice. Write Adv. above adverbs. Put infinitives in parenthesis. Not doesn't need to be listed as an adverb. 1.Without hesitation, the rabbit ...

*November 6, 2013*

**English**

Yes not isn't a verb yet in my English class because I'm in English 1. Thank you for checking my answers.

*November 5, 2013*

**English**

Can someone please check my answers? *Cross out any prepositional phrase. Underline the subject once and the verb/verb phrase twice. Write Adv. above adverbs. Put infinitives in parenthesis. Not is not considered an adverb in my English class. 1.From June until the end of ...

*November 5, 2013*

**English**

Thank you

*November 4, 2013*

**English**

Okay

*November 4, 2013*

**English**

Can someone please check my answers? *Cross out any prepositional phrase. Underline the subject once and the verb/verb phrase twice. Write Adv. above adverbs. Put infinitives in parenthesis. 1. In the early morning, the birds chirped in the back of the house near the pond. (...

*November 4, 2013*

**English**

2. at noon. Thank you for checking them. :)

*November 4, 2013*

**English**

Can someone please check my answers? *Cross out any prepositional phrase. Underline the subject once and the verb/verb phrase twice. Write Adv. above adverbs. Put infinitives in parenthesis. 1.In the bushes along the road stood an elephant with purple spots in front of his ...

*November 4, 2013*

**Math**

Rearrange equation to isolate for P to use in a calculator please v=e[(1/cos(pi/2sqrt(P/Pcr)))-1] OR e[(sec(pi/2sqrt(P/Pcr)-1]

*October 31, 2013*

**English Compound Subjects**

Can someone please check my answers? *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. 1. Doug and his new bride vacationed in Florida. (subject- Doug, bride verb- vacationed prepositional phrase- in Florida) 2. During the fair, a...

*October 27, 2013*

**English Compound Objects**

Thank you! :)

*October 27, 2013*

**English Compound Objects**

6. wo be completed is the verb.

*October 27, 2013*

**English Compound Objects**

Can someone please check my answers? *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. 1. Mrs. Little stepped into the rain without a hat or an umbrella. (subject- Mrs. Little verb stepped prepositional phrase- into the rain, ...

*October 27, 2013*

**English Imperative Sentences**

Thank you! :)

*October 27, 2013*

**English Imperative Sentences**

Can someone please check my answers? *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. 1. Give this tip to the waiter in the checkered shirt. (subject- you verb- give prepositional phrase- to the waiter, in the checkered shirt) 2...

*October 27, 2013*

**English Verb Phrases**

Thank you! :)

*October 27, 2013*

**English Verb Phrases**

Can someone please check my answers please? *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. 1. The garbage truck has stopped near the corner of Washington Street. (subject truck verb- has stopped prepositional phrase- near the ...

*October 27, 2013*

**English Compound Verbs**

Thank you!

*October 27, 2013*

**English Compound Verbs**

Could someone please check my answers? *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. 1. The instructor stood among the students and chatted with them. (subject- instructor verb- stood, chatted prepositional phrase- among the ...

*October 27, 2013*

**English Adverbs**

Thank you again! :)

*October 27, 2013*

**English Adverbs**

10. The other verb is waved. 16. The other verb is hurried. 7. The subject is one and of the players is a prepositional phrase. 9. With us is another prepositional phrase.

*October 27, 2013*

**English Adverbs**

I'm not really sure about my adverbs in these sentences. Can someone please check them? *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. Label any adverb- Adv. 1. That small child often falls down on his roller skates. (...

*October 27, 2013*

**English**

Thank you for checking them. :)

*October 27, 2013*

**English**

Can someone please check my answers? I'll type the directions above the questions. *Cross out any prepositional phrases. Underline the subject once and the verb/verb phrase twice. Place any infinitive in parenthesis. 1. Marnie's mother and father want to go to New York...

*October 27, 2013*

**physics**

what is the terminal velocity of 5 µm particle with a density of 8.90 grams/cm^3

*October 26, 2013*

**Algebra Help**

It's not his problem it's just that I stated the question wrong instead of 24 and 6 minutes, they're supposed to be 24 and 6 miles

*October 25, 2013*

**Algebra Help**

A motorist was to travel from town A to town B, a distance of 80 miles. He traveled the first 24 miles at a certain rate; traffic then increased and for the next 6 miles he averaged 10 miles per hour less than his original speed; then traffic eased up and he traveled the ...

*October 25, 2013*

**Algebra**

A motorist was to travel from town A to town B, a distance of 80 miles. He traveled the first 24 minutes at a certain rate; traffic then increased and for the next 6 minutes he averaged 10 miles per hour less than his original speed; then traffic eased up and he traveled the ...

*October 24, 2013*