# Posts by lauryn

Total # Posts: 32

MATH FRACTIONS
IF THE RED SOX WON 55 GAMES OUT OF 100 PLAYED WHAT IS THE FRACTION OF WINS

Physics
An object is placed 20.0 cm from a thin converging lens along the axis of the lens. If a real image forms behind the lens at a distance of 8.00 cm from the lens, what is the focal length of the lens?

Physics
A ball of mass 0.1kg dropped from a building of 8m high unto a hard floor bounces back to a height of 2m. Calculate the change in momentum , if the ball is in constant with the floor of 0.1s, what is the force exerted on the body . (g = 10ms)

Math
The cost-benefit equation T=-0.623-194 In (1-p) describes the approximate tax T, in dollars per ton, that would result in a p% (in decimal form) reduction in carbon dioxide emissions. What tax will reduce emissions 70%?

Math
2=log2(4)

Math
I am a 3digit number divisible by 3. my tens digit is three times as great as my hundreds digit and the sum of my digits is 15. if you were reverse my digits I am divisible by six, as well as by 3. what number am I?

Math
I am a three digit number less than 300. I am divisible by two and five but not 3. What number am I?

Math
Rachel is 2 times as tall as Kendall. Rich is 3 inches taller than Rachel. Brian is 74 inches tall and 1 inch shorter than Rich. How tall is Kendall?

Math
Olivia uses 3/8 cup brown rice flour to make healthy dog treats. The expression 3/8 × t represents how much flour is needed to make t treats. How much brown rice flour is needed to make 10 1/2 treats?

Math
The cafeteria has 4 cases of tuna and 9 single cans of tuna. In all,there are 65 can of tuna. How many cans of tuna are in a case? (P.S.-PLEASE SHOW WORK...I NEED HELP!Thank You!)

Science
stop posting incorrect answers correct answers: b a a b c a a c a c c b true/a true/a

Math Ms.Sue
So it's d???

Algebra
expand log2 (8x^2+48X+72)

Physics
An entomologist examines a bug by holding a magnifying glass at arm’s length and 10.0 cm away from the bug. The magnifying glass has a focal length of 15.0 cm. Find the image distance and the magnification

Social studies
Why did king george 111 order the proclamation of 1763

Social studies
Why did king george 111 order the proclamation of 1763

Social studies
Causes of french and indian war

Social studies
What were the causes of the French and Indian war?

studying for chem 2
My professor really likes conceptual problems and that is what we will be tested on. How can I practice concept questions??

Physics for Engineers

Physics for Engineers
A playground is on the flat roof of a city school, 5.2 m above the street below (see figure). The vertical wall of the building is h = 6.70 m high, forming a 1.5-m-high railing around the playground. A ball has fallen to the street below, and a passerby returns it by launching...

Physics
Yeah :( thanks for trying though, I tried using the v0sin53 and got 18.13*sin53= 14.48 then I tried plugging that into the y, to get y=14.48sin53(2.2)-1/2(-9.8)(2.2^2) I got 25.44-23.716=1.725, the computer assignment says that is incorrect. I don't know what I am doing wrong

Physics
A playground is on the flat roof of a city school, 5.2 m above the street below (see figure). The vertical wall of the building is h = 6.70 m high, forming a 1.5-m-high railing around the playground. A ball has fallen to the street below, and a passerby returns it by launching...

Chemistry
a gas is at a pressure of 699 mmGh at 40 degrees celsius. what will the temperature be if the pressure increases to 760 mmHg

what is 456 divide 912

socialstudies
which inventions of the sumerians do you think have a impact on them

social studies
?? idk

Black History
Who was linda brown? and what happened during her case called Brown vs. board of education

Language
Break and thing are examples of what kind of verbs (not "action") Verbs can be in any of the following categories: ~linking or action ~active or passive ~transitive or intransitive Break can be an action, active, and transitive verb. Thing is not a verb. http://...

Language
What is a pronou called that points out something? demonstrative http://grammar.ccc.commnet.edu/grammar/pronouns1.htm Scroll down. =)

math
what is 20,295 divied by 99 205 That's 100% PATHETIC

acids and alkalis
hey im 11 called lauryn and im doing his at school:)!!!X

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