Friday
August 1, 2014

Posts by helen


Total # Posts: 406

Finite Math
suppose x sheets from a 500 sheet ream of paper have been used. Write an algebric expression to represent the number of sheets that are left

chem
How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?

chem
How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?

English
Words to choose from: Commemorate, complacent, consensus, deplete, diligent, empathy, menial, niche, transcend, and waive At Eastman High School reunions, the conversation usually gets around to the question “who was our best teacher?” And year after year, the (1) __...

economics
To save on gasoline expenses, Edith and Mathew agreed to carpool together for traveling to and from work. Edith preferred to travel on I-20 highway as it was usually the fastest, taking 25 minutes in the absence of traffic delays. Mathew pointed out that traffic jams on the hi...

Strategic Leaders
Identify four research sources that provide context for at least three activities of strategic leaders.

Geometry
The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a paragraph?

Statistic ASAP Please
Some people believe in the force (yes, like in Star Wars). To test if young Anakin Skywalker has the force with him, he is told that some cards that Yoda can see but Anakin cannot contain a picture of a planet, a lightsaber, a laser rifle, or a spaceship. As Yoda looks at 20 s...

Help ASAP Statistic
. A new medical test provides a false positive result for Hepatitis 2% of the time. That is, a perfectly healthy subject being tested for Hepatitis will test as being infected 2% of the time. In research, the test is given to 30 healthy (not having Hepatitis) subjects. Let X b...

Chemistry 2
I just wanted to compare my answer with the answer that i will be getting.. This is what I have: Exothermic reaction starts at a higher energy value and ends at a lower energy value. In an exothermic reaction, we know that energy is given off in the form of heat. This energy c...

Chemistry 2
Compare endothermic and exothermic reactions in terms of potential energy, heat flow, and observed temperature changes. Explain your answer in complete sentences.

DrBob222
Wait wait, nevermind, check this one: In freezing, the amount of energy in the reactants is lower than the resulting amount of energy in the products. This means that the line graph starts at a lower energy value (representing the potential energy of the reactants) and ends at...

DrBob222
please check my answer

chemistry
In freezing, the stronger attraction that results in closer/shorter bonds (though the overall density increase due to the highly ordered structure) than in melting water so the potential energy is lower.

chemistry
Freezing and melting are two different physical changes that involve the same amount of energy. In an exothermic reaction, the amount of energy in the reactants is higher than the resulting amount of energy in the products. This means that the line graph starts at a higher ene...

chemistry
Can you answer it please? I just want to compare my answer..

chemistry
Freezing and Melting are two different physical changes that involve the same amount of energy. compare and contrast the potential energy diagrams that would represent each of these processes. Be specific in your comparison.

chemistry
help

check one question statistic
For the scenario below, determine if the experiment describes a geometric distribution. If it is not a geometric setting, state why. if it is a geometric a) the two outcomes head or not head b) What constitutes one trial Flip a coin constitutes a flip coin c) the probability o...

Statistic
thanks

Statistic
consider caleb the basketball player. In a game, he shoots 10 free throws. In the year, he makes 70% of his free throws. Is this a binomial setting? Fully explain your response.

statistic
here are five seniors in a class, for each situation, write how the binomial formula is used to calculate the probability. a) In how many ways can you choose one senior to represent the group? b) In how many ways can you choose two seniors to represent the group? c.) In how ma...

*****Help Statistic
Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised would you be if y...

Canvas art
Who paints using the name Cobot

Canvas art
Who paints using the name Cabot

statistic****help*****
if three coins are tossed, what is the number of equally likely outcomes? 3 4 6 8 9

help ASAP Statistic
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...

Statistic help ASAP Please
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...

help please statistic
Teenage drivers pay more for automobile insurance than older drivers. Also, many insurance companies offer discounts for teenage drivers that achieve good grades. Assume that 20% of all teenage drivers are involved in accidents each year. Assume that 10% of all teenage drivers...

statistic
thanks a bunch

statistic
You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability of drawing a queen c...

Statistic
In a survey of students at a local high school, 30% of the students said they liked tater tots and 15% of the students said they like French fries. If every one of the students who said they like French fries also said they like tater tots, what proportion of the students resp...

statistic
You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability of drawing a queen c...

statistic
Thank you

statistic
For each of the following, assume you are working with a standard deck of 52 cards. There are 13 cards (2,3,4,5,6,7,8,9,10, jack, queen, king and Ace) in each of four suits (Clubs, Diamonds, Hearts, and Spades). a. What is P(Club) when drawing one card? b. What is P(Jack) when...

Math
Kimberly is 3 times as old as her sister, Halley .Find the ratio of Kimberley"s age to Hallet"s age. Give your answer in fraction form.

physic
A cheetah is crouched in ambush 20m to the east of an observers blind. At time t=0 the cheetah charges an aeroplane in a cleaning 50m east of the observer. The cheetah runs along the straight line.

physic
A cross- country skier skis 7.40km in the direction of 45⁰ East of South, then 2.8 km in the direction 30⁰ North of East, and finally 5.2km in the direction 22⁰ West of North. How far is the shier from the starting point?

physic
The concorde is the fastest airliner used for commercial service. It can cruise at 1450mi/hr. What is the cruise speed of the concorde in miles/s?

Statistic
1. For this assessment, explicityly state the five steps of a simulation and carry out the simulation. Use the random digit table. A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the game and missed 3 ...

statistic please help
how many twos would be listed in the leaf area of a stem-and-leaf plot with following data? [22,23,33,34,36,37,48,47] 2 3 4 5

statistic please help
The number of pencil used during a test is a type of which data? nominal qualitative ordinal qualitative discrete quantitative continuous quantitative Class rank (freshman, sophomore, etc.) is a type of which data? nominal qualitative ordinal qualitative discrete quantitative ...

statistic
27. which is true about the response variable? i. this used to be called the independent variable. ii. when graphing the data, the response variable is plotted along the y-axis only i only ii both i and ii neither

statistic
which is true about the response variable? i this used to be called the dependent variable. ii when graphing the data, the response variable is plotted along the x-axis only I only ii both I and ii neither I or ii

alegbra
An initial population of 298 quail increases at an annual rate of 8%. Write an exponential function to model the quail population. What will the approximate population be after 3 years f(x)=298(1.08)^x;375 f(x)=298(0.08)^x;153 f(x)=298(8)^x;305 f(x)=(298*1.08)^x;324

alegbra
let f(x)=x^2+5 and g(x)=x+5/x. find (g f)(-3) 1/4 14/19 19/14 49/9

algebra
use the binomial theorem to expand the binomial (s+2v)^5

alegbra
Identify a pattern and find the next number in the pattern -0.8,-3.2,-12.8,51.2

algebra
An exam consists of two parts, Section X and Section Y. There can be a maximum of 95 questions. There must be at least 20 more questions in Section Y than in Section X. Write a system of inequalities to model the number of questions in each of the two sections. Then solve the ...

help asap statistic
I need someone to check a statistic test can anyone help me. Unit 4 Test Multiple Choice 1. Which choices listed below indicate that a linear model is not the best fit for a dataset? Choose all that apply. (3 points) • Scatterplot shows a strong linear pattern. • Sca...

statistic
Scientists are studying the population of a particular type of fish. The table below shows the data gathered over a five-month time period. Use the data to answer questions 5-9. number of months number of fish 0 8 1 39 2 195 3 960 4 4,738 5 23,375 5. what does the scatterplot ...

statistic
cientists are studying the population of a particular type of fish. The table below shows the data gathered over a five-month time period. Use the data to answer questions 5-9. number of months number of fish 0 8 1 39 2 195 3 960 4 4,738 5 23,375 5. what does the scatterplot o...

statistic
cientists are studying the population of a particular type of fish. The table below shows the data gathered over a five-month time period. Use the data to answer questions 5-9. number of months number of fish 0 8 1 39 2 195 3 960 4 4,738 5 23,375 5. what does the scatterplot o...

statistic
cientists are studying the population of a particular type to fish. the table below shows the data gathered over-five month time period. use the data to answer question 5-9 months 0,8 fish,month 1-39, month 2-195, month 3-960, month, month 4-4,738, month 5-23,375 the linear tr...

help please English
If this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....

help please English
If this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....

English
eleven is number #1 because the word error and impediments means obstacles and it also stated mistake in the poem 14. is number 3 because what was stated in I cor.

English
f this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3.T...

English
If this be error and upon me proved/ I nevered writ, nor no man ever loved." What is the impact of these concluding lines from shakespeare's sonnet 116? 1. They underscore the fact that everyone makes mistakes 2. They underscore the fat that shakespeare is a writer 3....

English
9. Read these line, from The Passionate Shepherd to his love. "The country swains shall dance and sing/For they delight each May morning.?If these delights thy mind may move,/Then live with me, and be my love." What sort of life is the shepherd offering the numph? 1....

math
how would you solve f(n)=f(n-1)+d when n=1 and d=2?

Math-examples?
Can anyone give an example of recursive method, explicit method using the variable n?

Math-examples?
Can anyone give an example of recursive method, explicit method using the variable n?

algebra
simplify the number using the imaginary unit i. square root of -16

algebra
Thanks but I had figure it out thanks again

algebra
simplify the expression -5+i/2i

algebra
During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the machine recommends that the temperature of the machine part remain below 141°F. The temperature T in degrees Fahrenheit x minutes after the machi...

Algebra
Use the Quadratic formula to solve the equation -4x^2-3x+2=0

algebra
solve the quadratic equation by completing the square -3x^2+9=1

Algebra
what is the equation, in standard form, of a parabola that contains the following points? (-2-20). (0-4), (4-20)

English
for the first answer I am going with #2 I am think #1

English
sorry thanks Which line best states the theme of John Donne's holy sonnet 10? 1. "Ann soonest our best men with thee do go" 2."Death be not proud, though some have call thee" 3. And Death shall be no more; Death, thou shalt die." 4. And doest with ...

English
9. Read these line, from The Passionate Shepherd to his love. "The country swains shall dance and sing/For they delight each May morning.?If these delights thy mind may move,/Then live with me, and be my love." What sort of life is the shepherd offering the numph? 1....

statistic
Sorry I am not following you on this.

statistic
Use the linear transformation model to predict the number of fish in 12 months log y = 0.9013.logx+ 0.6935

statistic
00mg calcium 1200mg calcium effective 82 167 not effective 137 59 find the marginal frequency distributions regarding effectiveness.

statistic
500 mg calcium supplement daily 1,200 mg calicum supplement daily Total effective 82 167 249 not effective 137 59 196 Total 219 226 445

statistic
500 mg calcium supplement daily 1,200 mg calicum supplement daily Total effective 82 167 249 not effective 137 59 196 Total 219 226 445

statistic
A medical study was conducted to determine if taking calcium is effective in reducing blood pressure. The results are shown in the table below. Use this information to answer questions 10–16. STATA 10. How many people does the data represent? (1 point) 11. Find the margin...

statistic
A power model is shown below. Determine the residual for the observed data x = 7 and y = 70. stat answer question 9 (1 point) 71.37 1.37 1.85 –1.37

statistic
Many wildlife populations are monitored by taking aerial photographs. Information about the number of animals and their whereabouts is important to protecting certain species and to ensuring the safety of surrounding human populations. In addition, it is sometimes possible to ...

statistic
thanks

statistic
A linear model for a set of data was y = –20.6 + 9.72x and produced the following residual plot: [Xscl = 1, Yscl = 5] Scatterplot a) Predict the value of y when x = 7.5. b) Determine the residual if x = 5. (2 points)

statistic
A study was conducted to determine the effectiveness of varying amounts of vitamin C in reducing the number of common colds. A survey of 450 people provided the following information: Daily amount of vitamin C taken None 500 mg 1000 mg No Colds 57 26 17 At least one cold 223 8...

statistic
Fourth-grade children were asked what emotion they associated with the color red. The responses for emotion and gender of the children are summarized in the following two-way table Anger Pain Happiness Love Male 35 27 12 38 Female 27 17 19 39 What proportion of the males assoc...

statistic
Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

statistics
9. Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

statistic
Which of the following behave according to a power model? Select all the apply. 1.Finance 2. Population 3. area 4. Pricing 5. volume 6. bacteria 7. mass

statistic
Which of the following behave according to a power model? Select all that apply.

statistic
Explain the transformation needed to convert the following data to a linear data set. {(1,0.98), (2,1.39), (3,1.71), (4, 1.98), (5,2.22), (6,2.43)

statistic
The data (1, 5), (3, 16), (5, 35), (7, 67), (9, 110) could be modeled as a linear relationship if (2 points) x is transformed to x2 y is transformed to y2 x is transformed to x3 y is transformed to y3

statistic
Credit Solutions Corporation 5454 Ruffin Road, Suite 200 San Diego, CA 92123

statistic
Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

statistic
The data (1, 5), (3, 16), (5, 35), (7, 67), (9, 110) could be modeled as a linear relationship if (2 points) x is transformed to x2 y is transformed to y2 x is transformed to x3 y is transformed to y3

statistic
find the linear transformation model of log y^ = 0.6021x + 0.4771.

statistic
With an exponential transformation, how does the data set (x, y) change? (2 points) (log x, y) (x, log y) (log x, log y) cannot be determined without a data set

statistic
Which of the following behave exponentially over time? Select all that apply. (6 points) finances population area pricing volume bacteria mass

statistic
Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

statistic
Thanks a lot

statistic
With an exponential transformation, how does the data set (x, y) change? (2 points) (log x, y) (x, log y) (log x, log y) cannot be determined without a data set

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