# Posts by Jeannie

Total # Posts: 70

Math
If you ride a bike for 75 minutes and goes a distance of 15.4 miles how many mph did you go!

A company looking for venture capitalist funding is deciding on the design of its operating system for its new phone. The first option is to simply buy the OS from another company. This would result in sales of either 10,000 units if the market is not crowded with similar ...

A time study of a certain service task found an average time of 15 minutes, with a standard deviation of 5minutes. These figures were based on a sample of 100 measurements. Is the sample large enough that we are 95% confident that standard time is within 5% of its true value?

Which of the following is the best estimate of the correlation coefficient for the data shown below? (1, 18), (2, 12), (3, 20), (4, 16), (5, 22), (6, 30), (7, 28), (8, 40), (9, 34), (10, 29), (11, 33), (12, 39), (13, 44), (14, 39), (15, 28) A 0.1 B. 0.3 C. 0.5 D. 0.8

sorry would of took for ever to write them they are a no copy and paste

Donna opens a certificate of deposit (CD) with \$2,000. The bank offers a 3% interest rate. If the account compounds quarterly, which of the following equations represents the future value of the account, after 1 year?

statistics
Which interval describes the number of hours spent studying in a typical week for about 50% of the students sampled? 2 to 9 9 to 14 9 to 20 14 to 20 A five number summary of respones is: 2,9, 14, 20, 60

social studies
Because I'm really scare to submit and most of my answers match yours but not all of them

social studies
Did you get a good grade on this?

Accounting 2 goes with the 1st question
Split common stock 4 to 1 and reduced PAR from \$80 to \$20. After the split there were 600,000 shares.

Accounting 2
Split common stock 4 to 1 and reduced PAR from \$80 to \$20. After the split there were 600,000 shares.

Accounting 2
Declared semiannual dividends of \$1.20 on 75,000 shares of preferred stock and \$0.08 on the 600,000 shares of \$20 par common stock to stockholders of record on March 31, payable on April 30.

Maths
the figure below shows 3 similar circles that just touch one another.A,Band C are the centres of the circles.If the perimeter of the triangle ABC is 42cm, what is the total area of the unshaded part of the 3 circles. (take pie = 22/7)

Algebra II
Find the Linear function with the following properties: f(-9)=-0 and the slope of f equals 3/4

Algebra II
A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff on the way back down. When will the rock be 9 meters from the water below. Round to two decimal places.

Algebra II
2y^11/3+8y^8/3-10y^5/3=0

Algebra II
2y^11/3+8y^8/3-10y^5/3=0

Algebra II
(z^2+6z)+14(z^2+6z)+45=0

Algebra II
A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff on the way back down. When will the rock be 9 meters from the water below. Round to two decimal places.

Algebra II
A rectangular auditorium seats 900 people. The number of seats in each row exceeds the number of rows by 11. Find the number of seats in each row.

Algebra II
5.93

Algebra II
A rock is thrown upward with a velocity of 19 meters per second from the top of a 21 meter high cliff and it misses the cliff on the way back down. When will the rock be 11 meters from the water below?

alegebra
what is the square root of the gram molecular weight of O2 and CO2, (hint: periodic table) and which one will diffuse faster?

in (a) 63 45 90 36 out(b) 7 5 10 4

math
Suppose you invest \$700 at an annual interest rate of 7.6% compounded continuously. How much will you have in the account after 1.5 years?

Chemistry
I conducted a lab in which I had to calculate the number of moles of water heated off from copper sulfate. I first weighed copper sulfide in a beaker to in order to get the amount needed to begin the heating of it. If the beaker was wet at the beginning of the experiment for ...

Chemistry
If the reaction does not go to completion, how would this affect the experimentally determined number of molecules of water in the hydrate. Increase, decrease, or no affect? Explain.

algebra
The father is 32 and the son is 8. In 16 years the father will be 48 and the son will be 24.

math
Factor 63s^2+294st+343t^2

ethnics
how might the country best prepare for the changing race and ethnicity of its current and future citizens?

Heating 1.29 g of gallium gives a gallium-oxygen compound with a mass of 1.73 g. -How many grams of oxygen are in the 1.73 grams of gallium-oxygen compound.

Algebra
x + 9y=33 5x + 4y =1

Algebra
I need help! Fin the inverse of the function, How do I work the below problem. I need an example do to all the examples I have all have an (fx, g or y) I am working 6 problems like this. {(1, 0), (2, 1), (-1, 0), (-2, 0)}

Algrebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Let’s work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x-7) = x + 11 Answer: x + 11 3.) (2x+4) (2x-3) = 4x...

Algebra
Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Let’s work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x-7) = x + 11 Answer: x + 11 3.) (2x+4) (2x-3) = 4x...

Algrebra
Please advise if I did this problem correctly Solve the proportion 32/X = 2/3. 32/X = 2/3 32 divided by 2 = 16 11 x 3 = 33 16/33 16 x 2 = 32 33 x 1 = 33

Algebra
How do I go about Converting 8/9 to a decimal fraction. Round to the nearest thousandth.

Geometry
find the circumference of the figure, Give both the exact value and an approximation to the nearest hundredth. Circle 6.6km I am just learning this and a teacher is using inches but the textbook has metrics and I never learned the metric system Please Help!

Geometry
Ok a Circle is 360 degree and the 100 feet of rope the how do I get the radius and or diemeter? I keep getting 6.283185307 as the radus but it does not seem right.

Algebra

Geometry
I need to get the largest area of 100 feet of rope. I want to say rectangle: 40L x 40L x 10w x 10w =100 Please advise if I am on the right track. Keeping in mind that you can use any Plan Geometry Shape?

Algrebra
How do you insert grouping symbols to make this equation true? 14 divided by (5+2) +8=10 14/7=2+8=10 Please confirm, I really have an issue with Algebra

Algebra
First, I really stink @ Algebra. How do combination of signed numbers work? I keeping getting 6 but for some reason I don't think its right. -1-(-6+-1) -1-6+1 -5+1=6

Algebra
Round 47,973 to the nearest 100 I keep thinking that it's 48,000, but I have no idea how to prove it

Algebra
Write 27/4 as a mixed number, I keep getting 6.75 but it does not seem correct, please confirm if it correct or if I am missing something.

algebra
What is 4,756 divided by 32? I got 148.625 please confirm?

thank you reiny that's one of my answers ...

statistics math
repost MEAN=10 & STANDARD DEVIATION =2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358

statistics math
MEAN ƒÊ=10 & STANDARD DEVIATION ƒÐ=2. FIND THE PROBABILITIES: 9.4 Ú X Ú 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358

Pyschology
can anyone help me with this. I can't think of anything or explain to me. Post an example of a simple experiment of your own creation by following this format: I would like to investigate the effects of _____________ on this behavior: _____________. Half my participants ...

Psychology
can anyone help me with this. I can't think of anything or explain to me. Post an example of a simple experiment of your own creation by following this format: I would like to investigate the effects of _____________ on this behavior: _____________. Half my participants ...

Polynomials
History of Polynomials. I need to know how polynomials was created. I search for it on google but I can't find the right one.

Mathematics for Liberal Arts

Mathematics for Liberal Arts
How many different results could there be for 10 political candidates running for the same office in the upcoming election? There can only be 10 different results, only one person can win. how would i set this up?

Liberal Arts Math
There can only be 10 different results, only one person can win. how would i set this up?

Liberal Arts Math
How many different groups of 7 students can you create from a class of 20 students? How many different results could there be for 10 political candidates running for the same office in the upcoming election?

math
The amount of corn chips dispensed into a 12-ounce bag by the dispensing machine has been identified as possessing a normal distrubution with a mean of 12.5 ounces and a standard deviation of 0.2 ounces. What porportion of the 12 ounce bags contain more than the advertised 12 ...

Chemistry
A solution is prepared that has [NH3]=1.00M and [Cl-]=0.100M. How many grams of AgNO3 can be dissolved in 1.00L of this solution without a precipitate of AgCl(s) forming? Ksp of AgCl = 1.8x10^-10 Kf of [(Ag(NH3)2)+] = 1.6x10^-7

shore

Chemistry
Compare the bond enthalpies of the nitrogen-nitrogen single, double, and triple bonds. Based on this information, what is the average pi-bond contribution to bond enthalpy? single: 163kj/mol double: 418kj/mol triple: 941kj/mol

Health
Identify and describe three causes for the increasing costs of health care. What impact does each of these causes have on society?

Atomic structure
How many molecules of glycerol(C6H8O3) would be present in 1L of a 1M glycerol solution? a. 1 b. 14 c. 92 d. 1*10^7 6.02*10^23

Chemistry
Chromatography How can I tell which of two mobile phases is more polar? Does the fact that one solvent (e.g. isopropanol/ammonia) moves up the TLC plate slower than another solvent (e.g. hexane/ethyl acetate/ethanol)? Or should I look at how far up the dyes have moved?

plzz help me
(5.4) x (60) = 324 calories (210) / (60) = 3.5 hours or 7/2 hours

algebra
re the two functions parallel, perpendicular, the same equation or none of these choices? 4x+4y=8 5x+5y=15

Some argue that translation gains orlosses are not important so long as they have not been realized and are only accounting entries. What is the other side of the argument?

science
which part of a atom is involved in forming chemical bonds?

Math
solve equation: 2/3x + 1/2 = 3/5x - 5/6 explaine how you get 20

math
solve equation: 2/3x + 1/2 = 3/5x - 5/6

Science
How do you convert quarts into liters? i'm so confused.

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