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Posts by Leah

Total # Posts: 504

Math
Cells in an embryo double every hour. If an embryo has 6 cells to begin with, write an expression for the number of cells after n hours

math
The maturity value of a $28,000, 6%, 60-day interest-bearing note on August 6 is

Math
4+2(exponent 5) divided by 9. Add parentheses to make each expression equal 4

Math
An Aircraft Flies Round A Triangular Course. The First Leg Is 200km On A Bearing Of 115km And The Second Leg Is 150km On A Bearing Of 250km. Draw A Diagram For This

Algebra
In a plan for area? codes, the first digit could be any number from 2 through 8, the second digit was either 0 or 1?, and the third digit could be any number except 0. With this? plan, how many different area codes were? possible? My answer: 7*8*2=112

Math
The list is 7,16,12,10

Math
A sixth number will be added to the list. What must it be in order for the mean to be 12? (Use algebraic equation to help)

Social Studies
Well i believe that Japan did because an increasingly dangerous European threat.

Social Studies
Why did Korea and Japan choose a policy of isolationism? * a.They were following Chinese policies toward foreigners. b.They thought that foreign goods were of inferior quality. c.They felt that foreigners threatened their independence. d.They were occupied fighting long wars ...

THANK YOU DAMON
u have been a great help thanks 100% more helpful than anyone i have met today

Social Studies
alright yea i really think 2 is c but idk about 1

Social Studies
hmmm alright i think that 2 would be c

Social Studies
Yes im reading over what u posted

Social Studies
ive never had so many people try n help ! :D well im just waiting on damon he seems to be very helpful

Social Studies
Yea i guess your right kinda hard to imagine that.

Social Studies
Aw really? just kinda stuck here

Social Studies
1.How did the Portuguese use geographic factors to help them control the spice trade? * a.They conquered inland kingdoms, which they turned into a trading empire. b.They used force and diplomacy to set up coastal trading posts and seize key ports around the Indian Ocean c.They...

Math- integers
Explain the meaning on 0 : a decrease of 250 attendees

ST KYLINS
I have 9 digits. My ten millions digit is a 0 and is 8 less than my hundreds digit. My hundred millions digit is 1 less than my thousands digit, 8 more than my millions digit, twice my ten thousands digit, and 4 times my hundred thousand digit. My digits in the ones period ...

Math- enqualities
135

Math- enqualities
Jay is creating a playlist and needs at most 180 minutes worth of music. He currently has 45 minutes. How many more minutes of music does Jay need to include in the playlist?

Math
12a-3b2. When a=9 b=4. Please explain steps

Math
On a random day in the spring 88% of the students are present at school.If there are 528 students presents how many total students are enrolled?

MATH HELP PLEASE I HAVE NEVER BEEN MORE CONFUSED
i do not understand but i guess it is 68,000 years can you pls explain

stats
4. One measure of form for a runner is stride rate, defined as the number of steps per second. A runner is considered to be efficient if the stride rate is close to optimum. The stride rate is related to speed; the greater the speed, the greater the stride rate. In a study of ...

stats
2. The modern Olympic Games are a modified revival of the Greek Olympian Games that came to be largely through the efforts of the French sportsman and educator Baron Pierre de Coubertin. The Games are an international athletic competition that has been held at a different site...

Stats
The data below were gathered on a random sample of 5 basking sharks, swimming through the water and filter-feeding, i.e. letting the water bring food into their mouths. Body Length (meters) Mean Speed (meters/seconds) 4 0.89 4.5 0.83 4 0.76 6.5 0.94 5.5 0.94 a) If these sharks...

Stats
Grey Kangaroos are large, social marsupials, indigenous to Australia. The Eastern Greys are a light grayish brown, while the Western Grey is a copper brown color. As part of a study of the development of these creatures, biologists have measured various aspects of their ...

science
Compare the costs and benefits of hydropower to that of geothermal power. (Please include two costs and two benefits.)

geography
Cars

history
Step 1: Choose four of the following questions to ask Moses, Jesus, and Muhammad: Why is the Holy Land an important site for your faith? What is your perspective or feelings about the other monotheistic faiths? What is the holy book of your faith, and how does it compare to ...

math
Shortly after metric units were introduced in Australia, a group of 44 students was asked to guess, to the nearest meter, the width of the lecture hall in which they were sitting. The true width of the hall was 13.1 meters. Please find the mean of the data. Guesses (Meters) 8...

AP statistics
A group of students were asked to guess the width of the room in feet, measured to the nearest foot (1 meter = 3.28 feet, to 2 decimal places). Construct a back to back stemplot from these two datasets. How will you overcome the problem that different units are used in the two...

history
I think it's c

history
Cyril and Methodius were missionaries to the Slavs who A.translated the Bible into the new alphabet written for the Slavic language B. were excommunicated by Pope Gregory II for their Slavic writings supporting icons C.were iconoclasts who spoke out against the use of holy ...

math
Write the first five terms of the sequence. (Assume that n begins with 1.) a (subtext)n =−7n+8 a. 8, 1, –6, –13, –20 b. 1, –6, –13, –20, –27 c. 1, –14, –21, –28, –35 d. 1,9,17,25,33 e. –15, –22, –36...

math
Write the first five terms of the sequence defined recursively. Use the pattern to write the nth term of the sequence as a function of n. (Assume that n begins with 1.) a (subtext) 1 =4,a (subtext) (k+1) =−a (subtext) k a. a (subtext) n =4(−1)^n−1 b. a (...

math
Determine whether the sequence is geometric. If so, find the common ratio. 2, –6, 18, –54,... a. −1/3 b. 3 c. not geometric d. 2 e. –3

math
Write the first four terms of the geometric sequence with the given properties. a = 5 , r = 14 a. 5/68 b. 5/71 c. 5/16 d. 5/48 e. 5/64 f. 5 g. 5/4 identify one or more choices that answer the question

Math
How to solve: 4d^4w^3*6dw^4/3d^3w*8dw^2

math
ACTUALLY NEVERMIND. I figured it out!!!! It's 85.24°

math
what is the missing value to the nearest hundredth? tan [] = 12 I really need some help. I don't understand this :(

math
The mean of a set of twelve numbers is 5.5. The mean of another set of eight numbers is k. The mean of the combined set of 20 numbers is 8.5. Find the value of k

Math (Elementary Algebra)
What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4 ? Please help this is for my accuplacer. If you could show your work explaining how you got the answer that would be awesome. Thank you in advance

Elementary Statistics
I just need the second question, I discovered the first answer iis 72.88%

Elementary Statistics
SAT math test scores for all students taking the test are approximately normally distributed with mean score of 514 and std. deviation of 118. What is the probability that a randomly chosen student will earn a score above 600 on their SAT math test? There's 19 students, ...

algebra
Goran invested his savings in two investment funds. The amount he invested in fund A was$2000 less than the amount he invested in fund B. Fund A returned a 3% profit and fund B returned a 2% profit. How much did he invest in fund A, if the total profit from the two funds ...

algebra
Two cars leave town 150 kilometres apart at the same time and travel toward each other. One car's rate is 18 kilometres per hour more than the others. If they meet in 3 hours, what is the rate of the faster car ?

math
We consider the non-homogeneous problem {y''-16y} = {256x^{2}} First we consider the homogeneous problem {y''-16y} = 0 : 1) the auxiliary equation is a r^2+br+c = =0 . ________________ 2) The roots of the auxiliary equation are (enter answers as a comma ...

Math
The scale drawing to the right shows the first floor. The actual dimensions of the garage are 20 ft by 25 ft. ( Scale is 1 by 1 1/4) . How many ft does each inch represent? The whole thing is a little confusing, any tips however?

Math
find the derivative of x^3-6x^2+15x+8 and show by completing the square that function has no turning point. I can find derivative but not sure of next step

Math
What is the simplified form of this expression? m^9t^-10/m^-4t^-5 m^13/t^15 m^5t^5 m^13/t^5 m^-13t^-15 I think it's the third, but I'm not sure if that's correct. I would appreciate if someone could show me how to solve it if it's incorrect.

Math
What is the simplified form of this expression? m^9t^-10/m^-4t^-5 m^13/t^15 m^5t^5 m^13/t^5 m^-13t^-15 I think it's the third, but I'm not sure if that's correct. I would appreciate if someone could show me how to solve it if it's incorrect.

Math
How can I show 1/3x+10=3/5x as or in a real world problem??

Math
What is the final price of a textbook that costs $107.20 with an added tax rate of 6%?

math
Charles work a total of 30 hours last week. he worked 10 hours on Monday. what fraction of his work hours for the week did he complete on Monday?

Physics
The Earth exerts an 640 N gravitational force on a man. What force does the man exert on the Earth? Answer in units of N.

English(Poetry)
What is prose paraphrase, and how do you do it to a poem?

Physics
Never mind I got it

Physics
A 31.9 N object is in free fall. What is the magnitude of the net force which acts on the object? Answer in units of N.

Precalculus
Given cosθ=3/7 and 0≤θ≤π/2 find sinθ and tanθ

Math
Consider a large water tank: If 3900L occupies 3/4 of the total capacity of the tank, how much water will the tank hold when it is full?

Math
She has one board that is 3m7cm long and another board that is 3m 91cm find the total length of he two boards in meters

English 10 A
alright

English 10 A
Its a practice quiz

English 10 A
4.All of the following lines from "Alone." contain examples of alliteration except.. A-"like a boy in a playground surrounded by enemies" B-"and scuttled smartly right over the road" C-"then-stillness. I sat back in my seat-belt" D-"...

English 10 A
that is why i asked for help im just wondering if anyone has a good understanding on this quiz im not asking for the answers

English 10 A
Has anyone took the "alone, The nobel prize , First Frost" quiz? if so please help thank you so much!! i will try to help in return.

math
The volume V of a pyramid varies jointly as its height h and the area of its base B . Given that the volume of the pyramid is 60 cubic inches when the height is 5 inches and area of its base is 36 square inches, what is the area of the base if its volume is doubled and the ...

Algebra
What's the answer ?

English for Academic purposes
What are the main reasons for a wave of discontent

life orientation
can protest need permit

Math (Solving Equations)
Find all solutions (answers should be given in simplified form). Some answers may involve the number i. *I will use lowercase l to represent absolute value lines.* 3 lx-1l + 4 = 19 We've never really worked with absolute value in solving equations before. Do I distribute ...

Math (Solving Equations)
Sorry, the final line should read: x(x-4) / 6 = (x+6)/2

Math (Solving Equations)
Find all solutions (answers should be given in simplified form). Some answers may involve the number i. (x^2/6) - (2x/3) = 3 + (x/2) I turned (2x/3) into (4x/6) and subtracted it from (x^2/6) to get: x(x-4) / 6 I turned 3 into 6/2 and added it to (x/2) to get: (x+6) / 2 So ...

Physics
Never mind, I have solved it. :)

Physics
I am not sure which equation I would use to solve this problem.

Physics
A pendulum with a length of 1.25m has a period of 2.2s. What is the value of g?

Chemistry - Acids/Bases
Thank you so much for a detailed explanation! I understand partially what you're saying, and I'll clarify with my teacher as to how much I need to understand.

Chemistry - Acids/Bases
What kinds of compounds are typically strong bases? (More than one may apply.) *hydroxides of group IIIA (13) metals *conjugate bases of strong acids *hydroxides of group IA (1) metals *hydroxides of transition metals *hydroxides of group IIA (2) metals All I know about strong...

english
Wouldn't it be a lyric poem because it rhyming

math
A study of two types of weed killers was done on two identical weed plots. One weed killer killed 15% more weeds than the other. This difference was significant at the 0.05 level. What does this mean? A. The improvement was due to the fact that there were more weeds in one ...

statistics
A study of two types of weed killers was done on two identical weed plots. One weed killer killed 15% more weeds than the other. This difference was significant at the 0.05 level. What does this mean? A. The improvement was due to the fact that there were more weeds in one ...

entrepeurneurship
?

Language arts
are you serious can you not just see what rhymes its not hard, literally a 5 year old could do that, and this is 8th grade L.A

Math
32

art
yeah im also in florida virtual school lol, allot of people here are from connexus

Geometry
Four friends order a 12 inch diameter pizza to share equally. how much pizza does each receive?

Art
My test says b

science
A ball is thrown upward from the ground with an initial speed of 16.0 m/s; at the same instant, another ball is dropped from a building 12 m high. After how long will the balls be at the same height above the ground?

physics
An athlete leaves one end of a pool of length L at t = 0 and arrives at the other end at time t1. She swims back and arrives at the starting position at time t2. If she is swimming initially in the positive x direction, determine her average velocities symbolically in the ...

physics
A person walks first at a constant speed of 5.10 m/s along a straight line from point circled A to point circled B and then back along the line from circled B to circled A at a constant speed of 3.15 m/s.(a) What is her average speed over the entire trip? How can I find the ...

english
How do I fix this sentence to create parallel structure? The university is one of the largest employers in the community, bring in substantial business, and the cultural impact is also big.

social studies
1) b 2) a 3) c @Ms.Sue?

social studies
@Ms.Sue?

social studies
1) a 2) a or d 3) b

social studies
1)An interest rate is a special type of? a. loan b. price c. bank d. service 2) How does a compound interest rate differ from a simple interest rate? a. Compound interest rates pay more interest over time b. Compound interest rates are calculated only once a year c. Compound ...

Vocabulary
Can you use the following words in a sentence Infirmity Implication Infringe Succinct Sparse Innovation Revitalize Subjective Inequity Deterrent

physics
with what speed does a hammer dropped from a height of 23 m strike the ground?

physics
A robot arm expends 15J of work to extend a spring 10cm from its equilibrium position. How much force is required?

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