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Posts by Sunny

Total # Posts: 282

algebra
(x^2 + 3) ^2

algebra
X2 [X to the second square]- 5x+1 2x-3

Pre-Calculus
The angle of elevation to the top of a building is 4° from the ground when viewed 2 miles from the building. Estimate the height of the building in feet. (Round your answer to one decimal place.)

the lagrange multiplier equation
A cylindrical oil-storage tank is to be constructed for which the following costs apply: cost per square meter metal for sides $30.00 (cost per square meter) combined costs of concrete base and metal bottom $37.50(cost per square meter) top 7.50 (cost per square meter) The ...

Chemistry
Suppose a student is measuring the optical rotation of a 1 M sample of (S)-(-)- Limonene. The path length is 13cm. What optical rotation should the student expect to measure?

Math
A girl earns $6.00 an hour when she works Monday through Friday and $9.00 an hour on Saturday. Last week, her salary was $273 for 42 hours of work. How many hours did she work on Saturday?

math
how can i use the fact 11*5 =55 to solve 11* 6?

math
thanks

math
HUH ???

math
how can I use the fact 11*5=55 to solve 11*6?

physics
A 5.0 gm marble is fired vertically upward using a spring gun. The spring must be compressed 8 cm if the marble is to just reach a target 20 m above the marble’s position on the compressed spring .(a) What is the change in the gravitational potential energy of the marble-...

math
Thank you:)

math
thats the question word for word.. Kara needs $35 for an aquarium for 6 fish.How can she pay with the least ten and one dollar bill? it has to do with tens and ones..if this helps

math
kara needs $35 for an aquarium for 6 fish. How can she pay with the least ten and one dollar bill?

Business Communications
Which of the following is a negative subject line?

history
please could someone help i have got a crossword about the Treaty of Versailles 1919 and im stuck on this clue ive been trying to find the answer its driving me mad! ive looked on different sites but can`t find the answer its probably staring at me. the clue is :- a small area...

CIS 105
okay thank you

CIS 105
As you have discovered, there are a variety of computers available, from the smallest computer in a domestic device to the supercomputers used in industry. Despite the different uses of computers, they all have basics elements in common—each computer system involves ...

Pschology
Irresponsilbilty and carelessness fall within the _ factor of the five -factor theory. A. neurotism B. negligent C. extroversion D. openess to experience E. conscientiousness

Finance/Algebra
Suppose you bought an 8% coupon bond one year ago for $1090.00. The bond sells for $1063.00 today. Assuming a $1000 face value, what was ur total dollar return over the past year? What was the nominal rate of return over the past year? And, if inflation was 3%, what was ur ...

life orientation
10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community

MATH
Find a positive integer m such that 1/2m is a perfect square and 1/3m is a perfect cube. Can you find a positive integer n for which 1/2n is a perfect square, 1/3n is a perfect cube and 1/5n is a perfect fifth power?

organic chemistry
urgent, please help me...this is about the separation and purification scheme... there is 4 group of mixture: a)benzoic acid, benzoin and 1,4-dibromobenzene b)fluorene, o-toluic acid and 1,4-dibromobenzene c)phenanthrene, methyl 4-aminobenzoate and 1,4-dibromobenzene d)4-...

Chemistry
A student performed the synthesis of aspirin using a water bath at 90C instead of 50C. The final product was tested for the presence of phenols with ferric chloride. This test was negative (no color observed); however, the melting point of the dry product was 122-125 C. ...

Latin
Can you translate the story below to Latin please? Khloe and Kaylani Khloe sees Kaylani. Khloe yells: Hey!! Kaylani turns around and yells: Yo!! Khloe runs to Kaylani. Kaylani reaches out for a hug. Kaylani and Khloe walk across the street. They’re going to a basketball ...

Organic Chemistry
Suppose you forget to add sodium carbonate to your tea solution prior to extraction. What effect would this have on your yield, and why?

Physics
use voltage potential for point charge v= K Q / r^2 V given, K known, Q ( 6* electron charge) , solve for r

Chemistry
But there is no water involved...

math
reggig has a shelf that is 17 inches long.he has a set of books and each is 2 and1/2 inches thick how many books can be placed on the shelf?

math
nadia wants to use ribbon for a frame she needs 2 piece that are 3 and 5/8inches long and 2 pieces that are 5 and 3/8 inches long how many inches of ribbon does she need?

math
on friday catlin ran 1 and 1/5 miles on sunday she ran 1 and2/5 miles.On the same two days her friend lee ran a total of 3 miles.How much father than catlin did lee ran?

math
adria bought 2pounds of jelly bean she gave 2/3 of a pound to her cousin and 2/3 to her cousin .how many pounds of bean does adria have left?

IS this right????????
OK last time, do I add up P(x) values from the binomial table from 3 through 12 to establish p and then subtract p value from 1 (as I would to get q value) to get answer C)? or would I totally switch the p value from women to men. I would like to keep the integrity of the ...

Statistics
Anyone? Really need help on how to do this please :)

Statistics
PS I don't want the answer, for C, I just need to understand how to do the formula. Anyone?

Statistics
70% of the student body of a very large post-scondary institution is female. In a random sample of 12 students, what is the probability that: a) at most half will be females b) more than 7 will be females c) fewer than 3 will be males I used the Table of Binomial Probabilities...

Chemistry
An unknown was prepared with the concentration of 0.0000890 M. A Beer's Law plot was prepared using the absorbance values from standard solutions of ASA and a line drawn through all the points passed through the origin with a slope of 1750.0 M–1. The expected ...

Stats
Is this right for A) n=6 p=P(.38) q= 1-.38=.62 q=P(.62) P(x=0)= 6C0= 6!/ 0!(6-0)!= 6!/0!(6)!= 6*5*4*3*2*1/1*6*5*4*3*2*1= 720/720= 1 6C0 (.38)0 (.62)6= (1)(1)(.0568)= .0568 so P(x=0)= .0568?

Stats
Studies show that 38% of all women suffer from hip fractures caused by osteoporosis by age 85. If 6 women aged 85 are randomly selected, what is the probability that A) None will suffer or has suffered a hip fracture P(x = 0) B) At least 4 have suffered a hip fracture P(x &...

chem
The 4 atoms.unit cell is where I got confused. How do you know that? And how does it change for hexagonal close pack and body centered cubic?

chem
An element has ccp packing with a face-centered cubic unit cell. Its density is 1540 kg/m3 and the unit cell volume is 1.73 x 10-22 cm3. Calculate the molar mass (g/mol) of the element to three significant figures. CCP: cubic close pack

chemistry
The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values with commas from ...

chem
The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7. ( Separate the values with commas from ...

algebra 1
I'm really struggling with word problems. I don't know how to set this up. 2. You own a piece of land on which you owe the bank $12,760 to the bank. You decide to sell the land and want enough money to pay off the mortgage of the land. The real estate agent gets 6% of ...

math
if i forgot the product of 9 and 9 what can i do to figure it out

Math
Each person would get 8 pieces of land.

Math
-If you take 24 divided by three it would equal up to eight. -Then if you multiply eight times three it would equal up to 24. -Finally if you take 8 and put it on top of 24 it would make a fraction.

Algebra 2
A blue print of a shopping complex shows that the bottom edge of the roof to be 93 feet above the ground. If the roof rises to a point 171 feet above the ground over a horizontal distance of 6.5 yards, what is the slope of the roof? I am positive the answer is twelve, but the ...

Algebra 1
2y/5+5=9 Please solve this problem and show your steps, (like a t-chart.) Thank You!!! :)

geometry
48

Science
HI, i want to make Working models on these subjects. 1. Climate Change 2. Green Energy 3. Biology Human welware 4. Information and communication technology 5. Mathmatics in everyday life 6. Science and technology in games and sports 7. middle Sciece Please Suggest me what ...

Physics
Global Positioning System (GPS) satellites circle Earth at altitudes of approximately 20000 , where the gravitational acceleration has 5.8% of its surface value.

maths
prove that cos3x+sin3x/cos x-sin x=1+2sin2x

english/history
intead of was it should be were because it is supporters

english/history
yes this make sense

Social Studies
tell me a website from where i can get serial and keygen of softwares

Science
Tell me a website from where i can get serial and keygen of softwares.

Algebra 2
1/x+12=3x/3x^2+36

10th grade
ok

TO ALL STUDENTS
ok

Science
If you were flying directly south from the north pole and reached 70 degrees north latitude, how many more degrees of latitude would be left to pass over before you reached the south pole?

science
thank you very much, that really helps!

science
thank you! :)

science
thanks!

science
could someone please tellme what the orce of gravity acting upong me by Mars, Jupiter, and the moon are? I've been trying to find their gravity online, but I can't find it anywhere.

Introduction to Business
What is intreport?

Maths - check answer
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...

Maths
Can Please someone check if i did this right 970.60*4 = 3882.4 970.60-400 = 570.60 * 5 =2853 570.6+381 = 951.6*12 = 11419.2 951.6+270.6=1222.20*3 = 3666.6 1222.2+60.2 = 1282.40*7 = 8976.80 total AVD = 30798/31 = 993.48 Finance charge = 993.48*0.012 = 11.92

Maths
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...

Math - Credits & finance charges
Can Please Someone help me with this Thanks

Math - Credits & finance charges
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...

Math - Credits & finance charges
On the May 1 billing date, Mary had a balance due of $970.60 on her credit card. The transactions during the following month were: May 5 Payment $400.00 May 10 Charge: airline tickets $381.00 May 22 Charge: hotel $270.60 May 25 Charge: florist $60.20 The interest rate on the ...

grammar..adjective and adverbs..PleaseRespondASAP
is ten nad adjective or an adverb

algebra
simplify y^3-64 / y-4

algebra
2/x^2+2x+3/x+1/x+2

algebra
simplify 5- 1/x-4

algebra
divide 5/x+4 / 30/6x+24

algebra
fin set of values 3x/x+2

algebra
simplify 7-t/t^2+1 - t-2/t^2+1

Environmental Science
C.

Astronomy
A cinder block can be weightless in space. Would you want to kick it with your bare foot? Even If it is weightless, does it have mass? An astronaut, circling the earth in the Space Shuttle, senses that his apparent weight is zero. He cannot feel the normal earthbound sensation...

Earth
1. If the Earth were the size of B-B (with a radius of about 0.2 centimete), how big would the Sun be? How big would the Milky Way be? 2. Imagine building a model of the Solar System on your campus. Work out the diameter and spacings of the planets in millimeters and meters ...

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