Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 1,102

**MATH/OPTICS**

given di=145, do=38,hi=-97 formula: hi/ho=-di/do how do i rearrange this?? i do not want the answer. need help rearranging equation please help!!

**English **

It's A, because demonstrative pronouns = this, that, these, those.

**biology**

In mitosis, what is the size of a daughter cell relative to the size of the parent cell? If an onion cell has 10 chromosomes, how many double chromosomes does an onion cell have at the start of metaphase? Thanks!

**Chemistry**

Which of these is true about the following reaction? NaOH + HCl ¡æ NaCl + H2O A. NaOH is the proton acceptor. B. HCl acts as the Br©ªnsted-Lowry acid. C. NaOH and HCl are the products. D. This is an example of a neutralization reaction. E. The products wi...

**Chemistry**

How much heat is given off when 24.0 g of methane is burned in air? The equation for the reaction is: CH4 + 2O2 => CO2 + 2H2O + 890 kJ What equation or formula should I use to solve this? Thanks!

**SCIENCE: GR.10 OPTICS CONVEX MIRRORS**

A convex security mirror has a focal length of -0.25m. A person with a height of 1.5m is 4m from the mirror. calculate the image distance and image height. AND An object 0.4m tall is placed 2.5m in front of a convex mirror that has a focal length of -90cm. Calculate image dist...

**science optics**

A cosmetic mirror is 50cm from your face and the magnified image of your face is upright. You are told that the focal length of the mirror is 45cm. Explain why this focal length is not possible. I understand that the image would be magnified and upright...that's about it

**Math**

What is the product of the sum of 1.3 and 0.9 and the difference of 1.2 and 0.8

**p.e theory**

explain how stregths and weaknessess can affect your health and efficency in sport?

**Physics**

Thank you.

**Physics**

A rectangular piece of gold is 3.1 cm long and 3 cm wide. Resistivity of gold is 2.4*10^-8. How deep is the piece when it displays a resistance of R = 1.65 μω for a current that flows along the depth-direction? I used R=(p*l)/A and solved for l. I got the answer wron...

**MATH**

how do you change metric units

**Math**

The formula for Simple Interest is Interest= Principle x Rate x Time. You fill in the formula- ?= 7540 x 4.5% x 10. Then, you turn the rate into a fraction- 0.045. Fill in the formula again, 7540 x 0.045 x 10, you multiply. 7540 x 0.045 x 10 = 3393. The interest after ten year...

**Science**

If my project is about a lie detecting project waht would be my independent, dependent, and controlled variable?

**biology**

Which objective (4x, 10x, or 40x) has the shortest depth of focus? Thanks for the help!!

**5th grade**

look in the dictionary

**viking age**

who are the vikings and what are their daily life, thank you

**Math**

what is the total cost of the rechargeable batteries and battery chager?

**English - Mari Djata**

i think C

**Chemistry**

Approximately how many grams of NaNo3 will dissolve in 100g of water at 20 degrees Celsius?

**math**

Thank you! :)

**math**

So it would be half of his piece?

**math**

I'm doing a problem, and it says "Robert has a piece of twine that is 3/4 yard long. He needs a piece of twine that is 2/3 of this length. How long of a piece of twine does robert need?" Help?

**math**

How do you write repeating decimals as fractions? There's directions in my book,but I don't understand it? For example, how would you write as a fraction 0.81 with the 81 repeating?

**Physics**

To suck water up a straw to a maximum height of 187 mm, what minimum gauge pressure must be produced in the lungs? Note that in order to be able to suck up water, the pressure in the lungs must be lower than the pressure outside by the exact amount of pressure created by the w...

**crt 205**

I need to identify two arguments and define the premises and conclusion. I have to tell weather it is deductivly valid or inductivlely strong or in valid or weak and why. In the appendix 1 article Controlling Irrational Fears After 9/11. Can you help with this.

**math**

It becomes 17? But usually with problems like these aren't you supposed to subtract since it's an addition problem?

**math**

So the problem is 9 = w + (-8) I know the answer is 17. But I don't know how I solve it/show work.

**Writing**

Ooops! I'll try to find a word to substitute that.

**Writing**

Is "confidentialationalize" spelled like that?

**URGENT Grammer **

I think it is mental. Am I correct?

**URGENT Grammer **

Are you absolutely sure? You might be correct.

**URGENT Grammer **

In the sentence "She approved the apposed marriage" is approved a: (a)linking verb (b)action verb (mental) (c)action verb (physical)

**Grammer**

Then it must be an action verb mental.Right?

**Algebra**

For each function, find three ordered pairs that lie on the graph of the function. -6=3x+2y

**math**

Solved both!

**math**

I figured out the first one. Still trying number 2.

**math**

1.Explain why there is no number that can replace N to make the equation |n| = -1 true. 2. List the integers that can replace N to make the statement -|8| < n < -|-5| true. I don't really get what am I supposed to do?

**to kill a mockingbird**

I'm reviewing for my test about the novel "To Kill a Mockingbird". There's this question I can't answer: 1. What are the generalizations (like stereotyping) made about black people? Who makes them? And how are black people affected by it? The same questio...

**math**

In my book, it says to use a number line to find the sum of the equations. Should I draw a numberline on my paper, or just write down the answer on the paper?

**physics**

Work= force * distance Multiply 12.0 m and 25 N and thats your answer

**math**

15 ***********--------- *********/| | ********/ | | 20 *****25/ | | ******/ | | *****/____|________| *****15*******15

**math**

Ahh. The shape didn't show. Basically, it's a rectangle with like a triangle on the side of it. 15 on the top, 25 on the side with the triangle point, 20 on the right side, 15 on the bottom, where the triangle is. and 15 on the bottom of the rectangle

**math**

So, I need to find the area of this shape. It's an irregular shape, and I don't know how to figure it out. The shape looks like, 15 -------- /| | 25 / | | 20 / | | / | | /____|______| 15 15 I was told the answer was 450. Though I don't know how to figure 450 out?

**math**

i still don't get what a prime number is?

**math**

The formula for the area A of the triangle is A=1/2BH, where B is the length of the base, and H is the height. Solve the equation for B. I don't know how I'm supposed to be able to figure this out?

**math**

What are algebraic models? There's a problem and it says to use an algebraic models to answer the questions. I don't know what those are?

**math**

What is 7(y+3)+2y simplified? and if possible, can you break down how you got it? Simplifying equations confuses me easily.

**Math**

sue correctly answered 42 of the 50 questions. what percent of the questions dud she answer correctly?

**Science**

Thanks!

**Science**

What is the difference between direct and indirect sunlight?

**art(need help)**

i know these are a few questions but i just can't find them anywhere.i really need to know why the bauta mask was made,how you make one,who made it, and it's texture.if you could help me with any of these,i would be so thankful.

**art**

I just need to know who made the'bauta mask"?

**biology**

which animals eat butterflies? i know that birds do feed on butterflies even though they are hard to catch, but what else? please tell me any other animals that feed on butterflies. thanks you.

**CRT 205**

Taking a position

**Advanced Mathematics**

find the distance bewteen points at (6,-3) and (-1,4). The answer I got was 9.9 and it was wrong. please help!

**physics**

what is the distance traveled by a vehicle in 12 minutes, if it's speed is 35km/h? And the answer I got was 7km but I got it wrong. Please help!

**Advanced Mathematics**

verify that cos(90+A)=-sinA is an identity.

**digital design**

How can you utilize contrast in your designs, yet still retain an overall sense of balance?

**english**

thank you

**english**

Does anyone know where to go for information on breast cancer?

**Math**

I want to find out how a hexagon and a square tessallate together?

**Math**

Can you wait till tomorrow? or do you need the answers now?

**Math**

Sure no problem. The probability is 1 out of 2.

**Math**

I believe the probability of rolling a 6 would be 1 out of 8.

**math**

Do you need to find the ? as well?

**math**

What is the y-intercept?

**English**

Can you please proofread: Aging is something that everyone will experience. Having the opportunity to explore four different types of living facilities, really was an eye opening experience, about how genuine life really is. Being able to gain educational background about the ...

**Proofread**

I did cite my sources in my final essay.

**Proofread**

Can you please proofread this for me for grammar mistakes thank you. British American novelist Amelia Barr once stated “old age is the verdict of life”. Aging is a natural process of life that effects all of us. Sociologists see aging as a process of socialization or...

**math**

what catergorie capital and comission fall under. i think capital is owner equity and comission is income statement.

**accounting**

sorry i ment income stATtement becuse its expense. im i right

**accounting**

utilities in the catergorie owner equity i think. if not is it income statement or balance sheet.

**accounting**

does withdrawls fall in the catergorie income statement.if not plese correct. the other two choices are statement of changes in owner equity or balance sheet.

**math**

if sin theta equals 3/5 and theta is second quadrant angle find tan 2 theta.my ans. was 3.442 but is wrong can you correct and show work please. thank you so much.

**math**

write xy as the sum of unit vectors for x (8,2,negtive 9) nd y (negative 12,negtive 1, 10). my ans was negative 4i plus j plus k. wrong can you correct it for me please . thank you.

**math**

use the sum or difference identify to find the exact vlue of tan 105 degree.my ans.sqrt plus (3) plus 1 . wrong so can you correct it for me please thank you .

**math**

find the value of sin theta for angle theta in standard position if point with coordinates (negtive 3, 2) lies on its terminal side. i had 2 over sqrt 13 but it was wrong please correct.

**math**

write parametric equtions of y equals 5x minus 2. i put y equals 5 plus 2 but i was wrong can you correct me thankyou

**math**

write the equation 5x plus y equals 2 which equals 0 in normal form. my ans. was y equals 5 plus negative 2 or y equals 5 plus 2. if im wrong plus correct and explain why im wrong thank you.

**physics**

A 5.0-cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the image. ANSWER: C Height of the object = 5.0 cm Distance = 30.0 cm Focal length = 10.0 cm This is the equation: 1/Do + 1/v = 1/f which means: 1/[dista...

**spanish**

how do you say "liquid is turning the cold cup hot" and "which one will you chose" in spanish?

**8th Grade Algebra- Answer Check**

Solve each system of equations, give the solution and state whether there are no solutions or many solutions. 1 )3x + 8y = 1 7x + 4y = 17 Answer: (3,1) 2) -3x + 5y = -7 9x + 2y = 38 Answer: (4,1) 3) 7r + 3s = 13 14r - 15s = -16 Answer: (1,2) 4) 2x - 7y = 42 4x - 14y = 64 Answe...

**science**

what type of biological molecule is an enzyme?

**math**

He Grated it

**english - grammar**

hello! I have some problems with mixed conditional.I understand 1., 2. and 3. type of conditionals, but i get confused when I have to use mixed conditional.I googled it but somehow i still don't get it.Anyone knows some simple explanation?How can I recognize mix conditiona...

**Pre-Algebra**

the second one?

**Pre-Algebra**

but how do I change the sentences?

**Pre-Algebra**

I don't know, that was part of why I was asking =/

**Pre-Algebra**

Tell whether the question is potentially biased. Explain your answer. If the question is biased, rewrite it so that it is not. Questions: Don't you think the rising cost of concert tickets is ridiculous? Do you support the mayor's proposal to limit crime in the city?

**linguistics**

OK.this is a metaphor.Now i need to specify it..I don't know what I am supposed to do

**linguistics**

well no..is this a metaphor then? and keep one's eyes peeled?

**linguistics**

get stars in one's eyes - metaphor or metonymy?why?

**linguistics**

Hello everybody! I need a huge favour! If someone is very very good at distinguishing metaphors from metonymys please leave an e-mail.I am going to send you some examples.So if anyone is willing to do it please say!

**Pre-Algebra**

How would I make a frequency table with these numbers?: 465,599,567,529,243,250,268,319,294,316,325,364,358,237,270,534,479,614,283,575,591,555,508,609,584,304

**english**

I need help unscrambling this word!!!! AAAATTTLIIRRONNME its two words and its a name of a mall!

**physics**

During an experiment that Paul and Dawn performed the stretch of a spring was directly proportional to the force applied to the spring. When they put the data on a graph, they would expect to have what type of curve? Answers: Hyperbola, parabola, straight line, none of the abo...

**english**

if a task description is to write an essay what is a goal?( in a language learning diary) and if a task desription is to learn some theory for an exam what is a goal?

**english**

There is one more thing which is not 100 % clear to me. I am still writing my learning diary and have to write about my emotional temperature.I've googled it but still I am not sure what it is

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | **8** | 9 | 10 | 11 | 12 | Next>>