Ali

This page lists questions and answers that were posted by visitors named Ali.

Questions

The following questions were asked by visitors named Ali.

Given that two sides of a triangle are 20 and 66. Find the range of possible measures for the third side, s. a. 20<s<66 b. 46<s<86 c. 20<s<86 d.46<s<66 If you could tell me how to do this problem, i could do my next four. In the extreme cases, the length...

Photochemical reations (reactions that use light) are unique. In certain cases, reactions that are more dilute are more rapid than those that are more concentrated. Suggest an explanation for this observation. As the concentration of the photolyzed compou...

3)How mnay subsets of 6 integers taken from the numbers 1,2,3...,20 are there such that there are no consecutive integers in any subset (e.g. if 5 is in the subset then 4 and 6 cannot be in it)? This is a fairly challenging problem, what have you tried so...

For germanium atom write: the set of four quantum numbers for the two highest energy electrons in an atom of Ge. If you go to www.webelements.com and click on Ge, then click on the electron configuration (on the left side of the site but you may need to s...

In my bio lab we are creating serial disk dilutions (100mg, 300mg, 500mg) from a plant extraction sample. Wood sample #1 (7mL of hexane) Hexane 0.6651g so .6651g of the plant was dissolved in 7mL of hexane. Then I did dilution calculations so 0.6551g/7 mL...

Our biology class is studying the human skeletal system this month, and I need to find some information on the fone bone for my report. Can anyone help me out? Thank you for using the Jiskha Homework Help Forum. Is some one joking with you? "Fone Bone" is...

Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The cross-section of a cylinder is a circle. so pi(r)^2=18 solve for r...

Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The volume of a cylinder is given by volume = (cross-sectional area) x...

Describe how you would obtain pure crystals of Sodium chloride from a muxture of solid sodium chloride and solid zinc carbonate Step1 Step 2 Step 3 1. Add HCl to react with the carbonate. The products are zinc chloride, CO2, and water. The CO2 leaves as a...

I have an ice cube :3000 KG,the tempereture is about 50 (cel).would you please let me know how much does it take long for it to change into water ,Hourly Basis ? Regards

The year 1999 contains 365 days and begins on Friday. Use deductive reasoning to figure out what day of the week the year 2000 begins on. Show your method. The year 2000 is a leap year; 366 days. What day of the week does 2001 begin on? Show method. How m...

What are 5 differences between Vertebrates and Invertabrates

What are some similaraties between Vertebrates and Invertabrates

What is a good site for learning how to speek french for free?

Find a formula for the following functions: x -2 -1 0 1 2 3 4 y 0 3 4 3 0 -5 -12 x -4 -3 -2 -1 0 1 2 3 4 y 25 16 9 4 1 0 1 4 9

Hi My theacher is telling me to do an egg drop project with 16 plastic straws with tape it's due tommorow an I need to finish very quickly PlEASE HELP ME!

The zero-velocity value of the Jacobi integral at the L2 point of the Earth-Moon system is C= -1.59411. Suppose a spacecraft is newar Earth (r2=1/60 in our descriptions). Approximately waht speed must the craft have realtive to the rotating system if it i...

What is the effect of substrate concentration on enzyme activity? How does enzyme activity change as substrate concentration decreases? Explain your observations by discussing this reaction on a molecular level.

A person exerts a horizontal force of F = 179 N in the test apparatus shown in the drawing. (h = 0.35 m.) Find the horizontal force M that his flexor muscle exerts on his forearm. The distance between the fexor muscle and the elbow joinf is .051 m

20.When black gunpowder explodes, potassium nitrate, carbon, and sulfur react with each other to form nitrogen, carbon dioxide, and potassium sulfide. If thee original mixture contains 50.0 g of potassium nitrate, what is the total volume of the gases pro...

What do Na2(CO3)+ Zn(NO3)2 form?

How did the House of Burgesses Influence the Founding fathers of the United States when they greated our government?

What big idea of American government does The House of Burgesses Fall under? Delf Government, Limited government, representative government or common law.

The question is: The freezing point of helium is -272 degrees celsius. The original temperature of a sample of helium is 3 degrees celsius. a.How much must the temperature change to ensure that helium freezes? -AND- b.Assume the temperature changed at a s...

If F(n) = F(n-1) + (n-1) F(5) = 11 What is F(1)?

A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?

The transition of the lips where the outer skinner and inner mucous membrane meet is called the _________ I looked it up and from what I read I believe it is the gingivae. Would that be correct. Thank you

What is the molarity of a solution with 3.5mol of CaCl2 in 1.89L of solution What is the molarity of a solution with 16g of CH3OH in 487mL of solution

How many moles of HNO3 are required to make 250mL of a 2.4M solution? How many grams of KOH are required to make 125mL of a .50M solution?

For business marketing, we are planning to make and sell soap, with our target audience as teenagers. What do you think we need to do in order to attract lots of customers and for them to sell?

Given the following data set, which measure of central tendency is the greatest ? {2,4,6,8,10,12}

A 15-kilogram block is sliding on a dry, level surface with a coefficient of dry sliding friction of 0.3. The initial speed of the block is 10/m/sec. How far does the block slide before it stops?

The Measured voltage of the cell Pt H2 (1.0atm) H+ // Ag+ (1.0M) Ag ia 1.02 V at 25degrees. Gven E cell is 0.80V, calculate the pH of the solution.

Why does this happen? A=3 and b=2 A+b=c is the equation. Multiplying both sides of the equation makes the equation a^2+2ab+b^2 which is equal to a^2+ab-ac=-ab-b^2+bc Dividing by (a+b-c) we find a=-b or 3=-2 Why?

So Hannah wakes up at 7:56 , Beth wakes up at 7:03. Hannah has breakfast at 8:36 and Beth has Breakfast at 7:50. Problem 1 : How many minutes more did Hannah wake up from Beth. 7:56 -7:03 0:53 Problem 2 : Is 8 : 36 to 7 : 56 I'm not understanding!

What is the probability of drawing a red checker from a bag of 9 black checkers and 6 red checkers, replacing it, and drawing it again?

There are 20 red yellow and green tiles in a bag. 1/2 of the tiles are not yellow. 1/5 of the tiles are red. What is the probability of randomly selecting a colored tile from the bag that is NOT green?

Using the following letters once, what word can you make: A,E,M,R,S,S,T.

Can you find 3 metaphors and 10 alliterations in this poem? THE Witch 1.She comes back night, in fearsome flight, 2. In garments black as pitch, 3.The queen of doom upon her broom, 4.The wild and wicked witch, 5.A cackling crone with brittle bones 6.And d...

Verify the identity sin 3x cos 3x = 1/2 sin 6x can you show step by step please

A bat flying in a cave emits a sound and receives its echo 0.25 s later. How far away is the cave wall?

Two charged smoke particles exert a force of 4.2x10^-2 N on each other. What will be the force if they are moved so they are only one eighth as far apart? F= 4.2x10^-2 N K= 8.99x10^9 e= 1.6x10^-19 Do I solve for r even though they're asking me to find the...

give 5 differences and 3 similarities between plays and novels

Maurice receives $100 as a birthday gift. In deciding how to spend the money, he narrows his options down to four choices: Option A, Option B, Option C, and Option D. Each option costs $100. Finally he decides on Option B. The opportunity cost of this dec...

A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is estimated to be $300. If a 98 percent confidence interval is used and an interval of ±$75 is desired, how many cardholders...

The base of a pyramid is 10 cm high is the triangle shown. Find the volume of the pyramid. The hieght/leg of the traingle is 4 the base/leg is 6 and the hypothnues is 7.21

A boat that can travel at 4.0 km/hr in still water crosses a river with a current of 1.8 km/h. at what angle must the boat be pointed upstream to travel straight across the river? Confused on how to even set it up!

A 6.0 kg block,starting from rest, slides down a frictionless incline of length 2.0 m. When it arrives at the bottom of the incline its speed is vf. At what distance from the top of the incline is the speed of the block .5 vf

A 75.0 kg ladder that is 3.00 m in length is placed against a wall at an angle theta. The center of gravity of the ladder is at a point 1.20 m from the base of the ladder. The coefficient of static friction at the base of the ladder is 0.800. There is no...

A cart starts from position one with a velocity of 17.0 m/s. Find the speed of the cart at positions 2 and 3 ignoring friction. will the cart reach position four? position 2= 12.0 m high position 3= 2.0 m high 4= 20.m high

How do you write -1/9 x^-1 with a positive exponent? also, -5 x^-2 ??

How do you simplify (x^a+b)^a-b / (x^a-2b) ^ a+2b

How do you solve: log (1/3) 1 ?

How do you solve log(5) 20 + log (5) 10 - 3log(5) 2?

An earthquake registers 6.1 on the richter scale. What is the rating on an earthquake twice as powerful? I know: M=I/Io Then what do you do?

How do you create a table to graph log (3/2) x ???

How is any equation of the form y= -x + b its own inverse?

How do you write: -1/9 x^-1 with a positive exponent? also, -5 x^-2 ??

How do you simplify this equation: (x^a+b)^a-b / (x^a-2b) ^ a+2b

What equation has the following features: It has the x-axis as an asymptote and it passes through (0, -1), (-1,-3) and (-2,-9)?

How do you graph y= -log (base 5)(-x)? The written question is: Sketch above equation by first describing the transformations performed on the equation y= log (base 5)(x) And what is the inverse function? x=log (base 5)(y)?

(x^ a+b) ^ (a-b) / (x^a-2b) ^ (a+2b)

what is the solubility of Pb(NO3)2, PbCl2, PbCrO4, and PbS from highest to lowest

My ones digit is 5 more than the tens digit. i am greater than 25 and less than 35.

find the sum of the 20th term a=6 and r=2/3

find the sum of the first 8th term of the Geometric progression, 1,3,9,27

in a Geometric progression the sum of the first and the second terms is 90 and the sum of the second and the fourth terms is equal to 30.find the sum of the first 8th term in the progression

If the sum of the first and the second terms of an infinite Geometric progression is equal to 3/8, and the sum of its term is equal to 1/2. find the common ratio of the first term of the progression

a rubber ball fell from a high of 16 feet and then its rebounded until it rested, such that each time it rebounded to a high =1/2 the high rebounded to previouslly a) find the high rebounded to after the 10th term b)find the distance cover by the ball bef...

in an arithmetic progression the 50th term is equal to 3, and the sum of the first 8th is equal to 23. find the first term and the common difference

In a Geometric progression the sum of its first 4 term is equal 15, and the sum of the next term is equal to 15/16. find its first term and its common ratio

Sketch y= -(1/4)(2)^(x-4)+5 by first including a table describing its major features.

Given y=2^x Predict the equation for the graph that has been reflected in the y-axis, given a vertical stretch by a factor of 5, translated 2 units right and 5 units down. I have: y= -5 (2) ^ (x-2) - 5 Is this correct?

Sketch y= -(1/4) (2)^(x-4)+5 I know that the basic equation is y=2^x so is the graph translated 4 units right, vertically stretched by a factor of (1/4), reflected on the x-axis and translated up 5?

Graph the results of a coin toss: Toss Coins 0 20 1 12 2 5 3 1 4 0 State an equation that best fits the results (use n to represent the number of the toss). What physical phenomenon does this model? I was able to graph this, I just do not understand how t...

A sample of carboxylic acid is added to 50.0 mL of 2.27 M NaOH and the excess NaOH required 28.7 mL of 1.86 M HCl for neutralization. How many moles of NaOH reacted with the carboxylic acid?

Assume a population of any 4 numbers(suppose: 4,8,15,19). Select a random sample of size 2 with replacement from the population. List all the possible samples and their corresponding values of x̄ “x-bar” and then find the probability distribution of “X-ba...

my moth balls froze at 54 degrees celsius, what kind are they?

What is the best way to tell a chemical change has taken place? 1. The matter changes color 2. The mixture separates into layers 3. The composition chnages

Write an equation for a cosine function with an amplitude of 2/3 , a period of pi, and a vertical shift of 2 units up.

ive been trying to figure this question out for 20 minutes.. if you could help me that would be great. - Dennis, a new medical assistant at Dr. Hernandez's office, notices that Beth has been waiting over an hour to get an allergy shot. Dennis has never gi...

n insurance company wants to offer a new 5-year, level-term life insurance policy to recent college graduates. The policy will have a face value (the amount paid in case of death) of $50,000. Normally, the company charges different premiums depending on t...

Calculate the molarity of each solution. a) 1.0 mol KCl in 750 mL of solution b) 0.50 mol MgCl2 in 1.5 L of solution

In a fish tank, there are two fewer blue fish than three times the number of yellow fish. If there are 10 blue fish, what is the number of yellow fish(n). Write an equation to solve for n.

If 50% of the automobiles sold by an agency for a certain car are equipped with diesel engines, let X represent the number of diesel models among the next 5 cars sold by this agency, write the probability distribution of X.

A sample of 25 men has a mean weight of 65kg with standard deviation of 8kg. Suppose that the weight of men follows normal distribution with a standard deviation of 10kg. Find a 95% confidence interval for the population mean μ.

It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. Random sample of 10 automobile owners are asked to keep a record of the kilometers they travel. If the sample mean and standard deviation of automobile driven...

A certain geneticist is interested in the proportion of males and females in the population that have a certain minor blood disorder. In a random sample of 1500 males, 75 are found to have disorder, whereas 80 of 2000 females appear to have disorder. Find...

When magnesium is burnt completely in air the totol mass of the product was found to be grater than the original mass of the piece of magnesium.explain

How is the historical event of the 1981 Springbok Tour is, or was, of significance to New Zealanders.

Answers

The following answers were posted by visitors named Ali.

Write 2.089 in expanded and word form as well as in a fraction

Please write the expanded and word form of 2.089 as well as the fraction form

1999 starts on Friday, so the first week ends on Thursday. 7 days in a week x 52 weeks in a year = 364 days + 1 + 365 so the year 2000 starts on a Saturday. 2000 starts on Saturday, so the first week ends on Friday. 7 x 52 = 364 + 2 (for leap year) = 366...

My Reading teacher gave it to me to learn steps in a Process

unscramble d c e d w n i

How do i do that?

Is it...KNO3+C+S--> N+CO2+KS

CaCl2 + NaOH ---> Ca(OH)2 ppt

What about place value in decimal fractions? What's your question?

thanks so much for your help.

Well, here we go!!Same college, same class. I'm having a real problem with this one. I'm so glad I stumbled across all you guys. Good Luck!!!!This has helped me.

A furniture store receives an invoice dated Sept. 27 for 5 bedroom sets at $3,000 each. The invoice indicated a trade discount of 5/8/3. The seller of the furniture prepaid the freight of $200. Terms were 2/10 EOM. Assuming Mel pays on Nov. 2, what amount...

How did you come up with this answer?

How does world literature effect the U.s society?

another way is to prime factorize each number and take the highest power of each prime and multiply them together. For 8= 2^3 or 2x2x2 for 12=2^2x3 or 2x2x2 for 15=3x5 by taking the highest power of each prime and multiplying together we get our solution:...

The same equation, just simply switched: if you have x+y= b, the inverse is y+x=b, which is the same thing and therefore its own inverse? Thank you!

I was not given any information regarding these factors, I wrote out the question I was given

I'm sorry for not using grouping symbols! You are correct, the exponents are (a-b) and (a-2b)

Sorry! (x^ a+b) ^ (a-b) / (x^a-2b) ^ (a+2b)

I'm sorry, I'm still confused. Is it something like log(2) 6.1??

and the Ksp as well im so lost! :(

10-foot ladder leans against an 8-foot wall. How far from the wall should the foot of the ladder be placed so that the top of the ladder will be exactly at the top of the wall?

please write this in C. Thanks

Bahrain is a small country in Arabian Gulf, with 1,234,596 inhabitants. Bahrainins divided into two groups Sunni approximately 50% and Shia 42% and the rest are residents from many countries. The Shia starts the demonstrations in 14 Feb 2011 after the suc...

thank you sooooo much!

Situational? I do not know I'm not very good at irony.

I do not know I do think its situational though

Thank You so much Ms. Sue,

4*10=40 slices of bread. 18 ppl eat 2 slices each, making 36 eaten 36/40 slices were eaten

B) Membership on the budgeting committee is restricted most often to accountants because the budget involves numbers. Master budget preparation is normally supervised by a committee. The budget committee is responsible for settling disputes among various...

553seven x 5seven

GET YOUR OWN DAMN HELP TRICK!

db = 10log(p2/p1) = 5. 10log(p2/p1) = 5, Divide both sides by 10: log(p2/p1) = 0.5, p2/p1 = 10^0.5 = 3.16.

why is it important information for the correctional staff to know if the subject have any marks?

On these types of questions I always like to do the opposite of the FOIL (First Outer Inner Last) method. Since the first coefficient is 2 we know we have to have a 2x and an x and then the -5 at the end will result in only 5 and a 1 (one has to be postiv...

Don't forget just Arsenate, which is AsO4-3. That's the missing piece.

A 1.146 mixture of the solid salts Na2SO4 and Pb(No3)2 forms an aqueous solutionwith the precipitation of PbSO4. The precipitate was found to weigh 0.672g. The limiting reactant is Na2SO4. What is the percent by mass of each salt in the mixture?

So when solving this equation, we only use two of the reactants and not all three? And since there is more than one reaction, do we use the net ionic equations of both as the answer for this question or just one equation? So would the other reaction be th...

Thank you so much!

a. 1 b. 0.2 c. -11

It is simple, you have to see that at what stage the nominator gets divisible by denominator, because u don't want any left over. so it is sixth stage. 5/6 +5/6 + 5/6 +5/6 + 5/6 + 5/6 = 30/6 , you need 6 bags.

Is the correct answer D?

I did put these answers in but they're marked wrong Thank you!

I doubt that there is any political issue that could be solved by just sitting around and not doing nothing about it. The world is facing many problems in this era. The most common ones are poverty, pollution and war. How is it possible that there are mul...

Can someone please check it for me and double check verbs and subjunctives are correct. Thank you, I really appreciate it.

THANK YOU .....

Thank you very much .... Your a star

Yes that's how to do it, you find the midpoint.

explain the steps to extend number pattern?

Please help answer

local computer center charges non members $5 per to use the media center. If pay a membership fee of $25. you pay you S3 per session. Write equation that can help you decide whether a solution. a member Then solve the and interpret the

Then the answer is 10.

We divided 40/6 and got remainder 4.

Choices are Write the remainder as a fraction Use the remainder as the answer Use only the quotient Add 1 tot the quotient

7 are empty. however, the choices are 6 10 16 and 28

Thank you Ms. Sue.

thank you Damon

Thank you, Sandra.

Sorry I meant there are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of seats. How many rows are empty?

Have you manged to solve this question ?

Carlos is making some observations from the roof of a building. Which angle is the angle of depression from Carlos to the car?

@MathMate, what is the formula for calculating the range?

well question related to advance analysis of algorithm i.e. BIG O

well sir Thanks for the answer I understood the description but I am new in this subject.I still cant find big O.Really thankful for your act of kindness

A helicopter is ascending vertically at the rate of 19.6 m/s. When it is at the height of 156.8 m above the ground a stone is dropped. how long does the stone take to reach the ground?

that is all the information given

1. It can be a decimal or a fraction, because decimals and fractions are NOT whole numbers. for example: -6 , 37 , 100 are integers 54.7845379 , 3/8 , 2.9 are not integers Hopes this helps you !!! :)

When you are turning a decimal number into a mixed number the numbers to the left of the decimal will become the whole number and the numbers to the right of the decimal will become the fraction. for example: 5.815 + 6.021 = 11.836 11.836 is in decimal fo...

For part b, the equation for center of mass should be: x(cm)=(1/M)(integral of x dm) so integrate the equation you used to find the mass from 0 to 0.385 (aka find the second integral of the initial equation and plug in the length for x) and divide by the...

English check please help me out "Accident and Recovery.

1356 83 degrees

thankyou Ms. Sue

my other choice was C?

thank you, Damon but is there any way i can get it in a way that is more advanced?

and you can divide it 5 times

there are more questions is there anyway you can tag people in it?

i think it's Conversion factor is actually a ratio between two measurements so they basically are the same am i right?

the answer is B) Creative. :)

The answer is C, I had the same question.

Keke what do you mean?

Someone Helpful is correct. I got 4/4 100%

CA - Helper is correct 6/6 100%

I got 500 miles for A)

The picture is an art piece called "Sketchbook 7" by Vivian W.