Kris

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

Questions

The following questions were asked by visitors named Kris.

Smooth muscles have a scant connective tissue what is it? http://en.wikipedia.org/wiki/Peritoneum

How do you find the area and circumference of a circle. This site has a great explanation for finding area and circumference of a circle. http://www.coolmath.com/reference/circles-geometry.html

How do you find the volume of a sphere with its radius 4 cenimeters and its hight 15 cenimeters. Check this site for the formula. http://www.1728.com/diamform.htm

A block is a consecutive sequence of the same digit that is not part of a longer such sequence. a.) Determine the number of sequences of 0's and 1's of length 10 in which every block of 1's has an even length. b.) Determine the number of sequences of 0's...

Can you please tell me what "first" is in the following sentence. It was up to another American, Robert Fulton, to develop the first widely successful steamboat. I think "first" is an adjective modifying steamboat. Thanks, Kris You are correct thank you s...

Where there is a math problem with different instructions like 15+6/3 and there are no parenthesis, which do I do first...the 15 + 6 or the 6/3? What are the order of operations when there are no parentheses?

How many states border oceans? My answer is 15. I didn't include the states like Texas that borders the Gulf of Mexico and Connecticut as it borders the Long Island Sound...is this correct?

Which is the smallest burrough in New York...Manhattan or Bronx?

Quick question: When writing CHRISTIAN CLUB is it Christian Club or Christian club? Thank you

The costs of doing business for a company can be found by adding fixed costs, such as rent, insurance, and wages, and variable costs, which are the costs to purchase the product you are selling. The portion of the company’s fixed costs allotted to this pr...

what is the sun's role in the food chain?

A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and their properties. One of which is the only 3-digit numbers that are prime and all rearrangements of their digit are also prime a...

What branch of the national goverment was designed to be the most democratic and responsive to the people?

A number has four digits. the sum of the first and last digits is twice the second digit. The second digit is 2 less than the third digit. The last digit is twice the first. Some of the digits are alike. what is the number??

What cellular process involves mitosis? Wouldn't that be (growth)

Can someone give me a website about Alexander the Great. A website that desrcibes who he is and what he did and how hes important....... thxx :}

In the article "A Nation Apart" Identify the thesis statement? What statagies does the author use to formulate his argument and what makes the argument so viable and compelling

started the accounting period with $30000 in cash assets, $18000 of liabilities and 4000 - common stock. During the yer earned $48000, paid cash expenses of $32,000, paid a cash dividend to stockholders - $2000. Aquired $10,000 addition cash from sale of...

when the sum of 5 and 6 is subtracted from the product of 5 and 6 what is the difference

terry shared three pizzas with some friends. terry ate 1/4 of them. how much pizza did terry eat?

Felicia traveled 7 kilometers to school 1/10 of that time she walked and 9/10 of the distance she rode a bus. A. How far did Felicia walk? B. How fare did she ride?

If all of the chemical potential energy stored in a 100 Calorie snack pack was converted to thermal energy and subsequently absorbed by water, what would be the final temperature of the water? Assume you have a 1.5 mole sample of water initially at 25 deg...

Help! Solve: 1. 3x + 15 = 0 2. 6x + 18 =0 thanks!

Considering investing in either of two corporate bonds - One will give you with an annual 8% interest payment, while the other will provide you with 6%. Assume that the market rate in effect on the day you purchase either of the bonds is 7%. Explain how y...

explain how it is that you could possibly generate more power then a horse? i don't understand, i know it has to do somethig with potenial energy and kinetic. anyone wanna explain plz?

Rewrite the following as an equivalent logarithmic equation.Do not solve. Show your work. m^n=r

Given logb3 = 0.792 and logb5 = 1.161. If possible, use the properties of logarithms to calculate values for the following show your work logb 1/3

How long will it take for the population of a certain country to double if its annual growth rate is 1.5%? Round to the nearest year. Use the exponential growth model P(t) = P0e^kt

I am having trouble with this one… Can someone please show me the steps, the pairs to plot and the asymptotic? Thank you in advance! Evaluate the logarithmic equation for three values of x that are greater than 2, three values of x that are between 1 and...

What happens to a 4L volume of gas as you change the pressure from 6 atm to 760 torr? What law was used, and show work

lnx+ln(x+1)=ln12 Find all real-roots

Is "sharpening a pencil" more of a physical change than souring of milk, fermenting of grape juice or rusting of iron? Thanks anyone!

The cola sample is 50. mL, the equivalence point volume is 13.4 mL, and the NaOH solution concentration is 0.025 M, what mass of H3PO4 was in the sample?

Near which type of physical feature was most of the earliest farming villages built?

A student sees a flowerpot pass his 2m high window on the fourth floor in 0.093 seconds. The distance between floors is 4.0m. From which floor did the pot fall?

If 100.0 J are added to 20.0 grams of water at 30.0 degrees Celsius. What will be the final temperature?

Express 55 minutes as a fraction on 1 1/3

express 55 minutes as a fraction of 1 1/3 hours

Of the two fractions 15/21 and 19/17 which is smaller?

The volume of a cone of radius r and height h is given by V=(1/3)pir^2h. If the radius and the height both increase at a constant rate of 2cm/s at which rate in cubic cm/s is the volume increasing when the height is 8cm and the radius is 6cm. So The answe...

A person’s blood glucose level and diabetesare closely related. Let x be a random variable measured in milligrams of glucose per deciliter (1/10 of a liter) of blood. After a 12-hour fast, the random variable x will have a distribution that is approximate...

According to CTIA-The Wireless Association, the mean monthly cell phone bill in 2004 was $50.64. A market researcher believes that the mean monthly cell phone bill is different today, but is not sure whether bills have declined because of technological ad...

Samuel drew a blue marble out of a bag in 8 out of 12 pulls. Predict how many times he will draw blue in 30 pulls. Please explain.....

Thirty percent of all automobiles undergoing a headlight inspection at a certain inspection station fail the inspection. Among 15 randomly selected cars, what is the probability that at most four fail tha inspection?

Increasing the voltage across the two plates of a capacitor will produce what effect on the capacitor? a. increase charge b. decrease charge c. increase capacitance d. decrease capacitance how do i approach this one?

Silver ion reacts with excess CN- to form a colorless complex ion,Ag(CN)2 , which has a formation constant Kf = 3.0*10^20 . Calculate the concentration of [Ag] in a solution prepared by mixing equal volumes of 1.8×10−3m NaNO3 and 0.20M NaCN. When I did th...

i have to write a DBQ on the different views within France of the Vichy government from 1940 to 1944. I wrote the introductory paragraph, with the last sentence as my thesis. Does it look all right? Germany defeated French troops in May 1940 and drove its...

2/9x -1 = 1 How do I find the value of x

Global Telephone charges 30 dollars for monthly phone service, plus a long distance calling rate of 15 cents per minute. After an hour of long distance calling charges,the rate drops to just 5 cents per minute for additional long distance calls. What will...

In 2000, the internatonal price of gold was $270 per ounce, and the price of silver was $5 per ounce. How much silver could be mixed with 9 oz of gold to obtain a mixture that costs $164 per ounce?

Mom served apple pie. John ate 1/2 of the pie. Thomas ate 1/4 of the pie. How much of the pie was eaten? How Much of the pie is left?

how do i calculate the [OH-] and [Ca2+] using the equivalence point? Then I have to calculate the Ksp for calcium hydroxide.

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(p) = (p − 2)/(p^2 + 9)

Simple Linear Regression Analysis 2. Weight of Car: Miles gallon – Do heavier cars really use more gasoline? The following data were obtained from Consumer Reports (Vol 62 no. 4). Weight of car is in hundreds of pounds. Car Weight 27 44 32 47 23 40 34 52...

I have an acceleration function and a velocity function that I know the equations for. How would I use those to find the equation for a position function x(t) if x(0) = 0? I'm just looking for a general method, but I can give the equations if needed.

So I have a particle that is moving along the x-axis. I have the acceleration equation, the velocity equation, and the position equation. I need to know what is the first time when t>0 that the particle returns to the origin? My position function is x(t)=...

The initial amount is 1 million. Divide it by 4. Divide the result by 5. Divide the result by 2. Divide the result by 20. Subtract 50. Divide by 3 then by 8. Subtract 1. Divide the result by 7. Add 2. Divide by 3. Add 2. Lastly, divide by 5. What result d...

Solve the equation symbolically x+7/8=x+8/9

I'm trying to find the second derivative of h(x)= x^2 + cos(kx) My answer for h'(x) is 2x - ksin(kx) but I'm not sure if that's right. Then the answer I got for h''(x) was h''(x) = 2 - k^2cos(kx) but I'm pretty sure that's wrong based on the graph I was g...

I have the differential equation dP/dt = 0.5(800-P) and I need to get the population equation P(t). Can someone walk me through the steps? Thanks!

How would you prepare 500.0 of an aqueous solution of glycerol with a vapor pressure of 24.8mm Hg at 26 degree Celsius (vapor pressure of pure water=25.21mm Hg)? assume the density of the solution to be 1.00 g/mL.

Bonnie and Clyde are sliding 500 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 385 of force while Bonnie pulls forward on a rope with 300 of force.What is the safe's coefficient of...

the difference between 3 times a number and 11 is 10

Describe how proteins are manufactured in the ribosomes (include discussion of codons and anti-codons).

Hello, I have some practice math I'm working through and I'm unsure about the answer. I will also put what I got. Thanks for the help. 1. Solve using any method and identify the system as consistent, inconsistent, or dependent. -2x+y=8 2x+2y=-8 A.) (-4,0)...

Hello, This is the last of questions I have for my practice assignment. Again I will put what I got. Thanks for your help. 1.) Solve the system using substitution. Write answer as an ordered pair. 4x+2y=8 -5x-2=y A.) First equation (-2,8) B.) Second equat...

I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, giv...

1.) Find the values of a, b, and c that will make the statement true. [5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9] a.) 8R1-R2--> =R2 b.) -8R1-R2 -> =R2 c.) –8R1 +R2 -> =R2 d.) 8R1-R2 -> =R2 2.) Solve the system by triangularizing the augmented...

I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help! 1.) Find the values of a, b, and c that will make the statement true. [5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9] a.) 8R1-R2--> =R2 b.) -8R1-R2 -> =R2 c.) –8R1 +...

I need some help as I'm totally lost! I need to find the first five terms of each recursive sequence. The n-1 on the problem shows it below the a. 1. A1=3 An=2a n-1- 3 2. C1=64, C2=32 Cn= Cn-2 - Cn-1/2

I need some help. A biologist finds that the population of a certian type of bacteria double seach half-hour. An initial culture has 60 bacteria. 1. What is the population after 3 hours? 2. How long will it take for the number of bacteria to reach 983,040...

In I Am Nujood, Nujood says that when her family was driven from Khardji, they lost “a small corner of paradise.” How do the injustices endured by Nujood’s father and brother, Fares, show that life in a patriarchal society can be hard not just for women,...

In I Am Nujood, what enables Shada to take up Nujood’s cause so quickly and effectively? How does Shada, whom Nujood calls her “second mother,” open up Nujood’s world? Who else teaches Nujood about what a “real” family can be like?

In I Am Nujood, The urban elites Nujood encounters in the courtroom and at the Yemen Times lead very different lives from those of Nujood and the country people of Yemen. How are these “enlightened” people actually disconnected from the rest of their soci...

I need some help! Determine whether infinite geometric series has a finite sum. If so, find the limiting value. 112+56+28+....

2 questions I need some help with please! 1. Find the partial sum S5. an= -2n+16 2.Solve the system by triangularizing the augmented matrix and using bakc substitution. 7x=y-6 3y= -5-2x

1.)The silica that makes up the stationary phase in TLC chromatophraphy is more polar than the mobile phase. What then might the relative positions of the analgesics on the developed TLC plate tell you about the polarity of these molecules? Does this matc...

List in increasing order of expected Rf values in a TLC experiment: salicylic acid, toluene, and benzophenone.

evaluate without using a calculator [log(5)4 x log(2)10 ]/ [log(25)√10]

express y=0.1(1000)^x in the form lg y =mx+c ,where m and c are constants ,and x is a function of x . Determine the constants m and c and the function x .

Q1: If K=In a -In b +In c -t/bc,show that K=(ac/b)e^(-t/bc). Q2:Express log(8)5 in terms of m ,where m=lg 2 Q3:Given that log (4)3 =a and log(4)5 =b ,express log(75)16 in terms of a and/or b . really don't know how to do these qns..please help ! thanks a...

What mass in kg of NH3 must be used to produce 4.4 multiplied by 106 kg HNO3 by the Ostwald process, assuming 100% yield in each reaction?

Answers

The following answers were posted by visitors named Kris.

THANK YOU!! I totally forgot Alaska and Hawaii!

Thank you so much!

1 - find the dist. from the vertical base of the mountain to the cathedral and bridge via trig ratios (tan). remember that the angle of depression = looking horizontally ahead and taking the angle between your gaze and the target. 2 - use pythagoras to fi...

How did you do on this assignment. Did you get these right, because I am confused about the part where it asks you to plug in P=R-C. Where R=-x^2+62 and C=6x+300. However, you only put P=(-x^2+62)+300. What happened to the 6x in C?

Answer to 7 is E, J The pattern is the number they are difference between it's numerical link to the alphabet 15, 20, 20,6, 6,19, 19, 5 (numerical equivilent to letter) 5,0,14,0,13,0,14 (0,5) (difference between each set of numbers) giving you the numbers...

i got the equations from my sister a+d= 2b b= c-2 d=2a but what do i do next?

Thank you The skin plays a major role in A. retention of oxygen and excretion of carbon dioxide. B. absorption of vitamin A and certain drugs. C. synthesis and storage of proteins. D. temperature regulation and sensation. I think the answer is d because t...

Which sentence is Vague pronouns? 25a. Air pollution normally increases along with population growth. This increasing pollution is a big problem for many cities. 25b. Air pollution normally increases along with population growth. This is a big problem for...

2. 6x + 18 =0 6x/6 = 18/6 x = 3??

I'm not so sure that anyone knows the month and day... Historians debate this all the time.

Let x be the amount invested at 10% and y be the amount invested at 12%. We can summarize all of the given information in a table: We can write one equation about the amounts invested and another about the interest from the investments: x + y = 20,000 Tot...

dy/dx=3/2(3x-1)61/2

dy/dx=3/2(3x-1)^1/2 My bad.... apparently didn't hit the shift key for the ^ sign...

Thanks, Dr. Bob. So are new substances formed in a chemical reaction?

This question is a pre-lab assignment, therefore we have not done the titrations yet.

thank you for the the set up of the problem

yes we have a list - it ranges from 2.2 to 12.0 Indicator benzopurpurine (BP) violet 2.2 – 4.2 red bromocresol green (BG) yellow 3.8 – 5.4 blue methyl red (MR) red 4.8 – 6.0 yellow bromothymol blue (BB) yellow 6.0 – 7.6 blue thymol blue (TB) yellow 8.0 –...

Do you think you could be more specific?

Im sorry express 55 minutes as a fraction of 1 1/3

Further notes: *Found r by taking diameter and dividing by two *F = force = 13 N, listed in the problem *A = area, which was found above (to convert from mm to m, multiply the mm figure by 10^-3; to convert from mm^2 to m^2, multiply the mm^2 figure by 10...

*First, calculate the area: Area = (pi)r^2 = (π)4.5^2 = 63.6173 mm^2 = 0.0000636173 m^2 *Now, use this equation to find E, the elastic modulus: E = (F/A) ÷ (ΔL/L0) *Convert all length measurements to m and then plug and chug: E = (13/0.0000636173) ÷ (0.00...

Oh, and the equation for Young's modulus (the elastic modulus), E = (F/A) ÷ (ΔL/L0), is actually stress divided by strain: Stress = F/A Strain = ΔL/L0

Thank you so much!

Do your own work. Acutally read the assignments and you'll do fine.

The law of cosines is: a^2 = b^2 + c^2 - 2cosA or b^2 = a^2 + c^2 - 2cosB or c^2 = a^2 + b^2 - 2cosC the lower case letters are sides, the capital letters are for angles. For this problem, you would do c^2 = 12^2 + 15^2 - 2cos60 That gives you side c. Aft...

Go to the college board website. Then go to the purple box that says student, and click on that. this willl bring up a new page. Under the box that says college board tests (near the top), click on AP. This will bring you to a new page. Go over to courses...

Is that supposed to be (4, -ƒÎ/6)? If so, you would use this formula: x = rcosӨ y = rsinӨ x = 4cos(-ƒÎ/6) y = 4sin(-ƒÎ/6) -ƒÎ/6 on the unit circle is the same as 11ƒÎ/6. The cosine (or x-value) for this angle is ã3/2, and the sine (or y-value) for this a...

You asked this question again under the name Alex, and I answered it. I suggest you look at that answer. :P

No it is inverse

Mn (H2O)63+ (aq) +H2O (l) <--------------> Mn(OH)(H2O)52+ (aq) +H3O+(aq)

Yes, there is a titration curve that goes with this problem.

Well the equivalence point in volume is 11.3 mL and the pH is 7.45. We did a titration lab of calcium hydroxide. Ksp of calcium hydroxide

Kw would be 1.0x10^-15 right? Cant quite remember the exponent

I don't understand this part (pH + pOH = pKw = 14) PKw is equal to 14?

Actually forget that. When you say 1/2 the moles of HCl, do you mean take half of the moles of HCl used originally? Times the volume of equivalence point?

I tried doing it and got 1.96x10^-13...I dunno if it's correct

I keep on coming up with 2 + and - squareroot(2)all over 2. Please help.

Milli means 1,000. Centi means 100. There are 1,000 millimeters in a meter, and there are 100 centimeters in a meter. So to go from mm to m, you need to divide .0023 by 1000. Your answer would then be 2.3*10^-6 I don't know where that 2.3*10^5 came from,...

Actually if you divide .0023 by 10 you get 2.3*10^-4. Then if you divide that by 100 you get 2.3*10^-6. Dividing .0023 by anything would give you a smaller number, and 2.3*10^5 is a very big number. (230,000) 10mm = 1cm 100cm = 1 m 1m = 1,000mm 1m = 1,000...

Here is a paragraph from the Sparknotes page about solutions. A solution is a homogenous mixture of two or more substances that exist in a single phase. There are two main parts to any solution. The solute is the component of a solution that is dissolved...

Oh, okay. I get it now. Thanks!

Oh nevermind, something was just set weird on my calculator that was throwing the graph off. I reset it and it looked like it was supposed to.

I'm assuming you are trying to solve for x? Okay, your first step is to get all of the variables on one side. So subtract 63x from both sides and you get 30x^3+3x^2-63x = 0 The next thing would be to look at what you can "pull out" of all three "sets" of...

I got 4+-sqr(336) / 10 is this right??

I understand but I thought maybe someone could explain it.

John sister has $4.95 in dimes and quarters in her piggy bank. There are 3 fewer dimes than quarters. How many quarters and dimes are in the piggy bank?

Instead of having an "x" for multiplying, the "*" represents multiplication as well. So 93 times 18. The answer would then be 1,674. Hope I helped!

Can you explain why it is yes... Pls.,

i got 88 mol. is that right?

265.66g x (1mol/88) = 3.01 mol PF3 correct?

the balanced equation is P4+6F2-->4PF3 so i have: 3.01mol PF3 x (6 molF2/4molPF3)=4.5mol2F2 So then i convert it to grams, correct?

so is the answer 171 g F2? I did: 4.5 mol F2 x (38 g/1mol) =171g

Thank you very much!

I found the mass of ZnCl2 to be 136.29g I started out: .0953/136.3= 6.9e-4 then I did: 6.9e-4 x 65.39= .046 and multiplied that by a hundred

i understand where my mistake was. when i went to find the %Cu i did: 100%-8.98%= 91.02 (rounding to three sig figs would give me 91.0) both those answers were wrong on the on the online grader

Okay, it needed four sig figs. the next part of the question is: How could this result be checked without changing the above procedure? What does this mean?

Thank you so much!

(cos πx + sin πy)4 = 54

8(d) I tried everything... I can't get any value for 0<=thetha<=pi

8(d) the answer should be thetha = -2*B*t phi = pi/2 I tried thetha = -2*B*t, 2*pi-2*B*t (although this mayn't be always between 0 and pi), 2*B*t (i know its wrong but i tried)

Yes, I was trying to say it should be the answer, but the question required 0<=thetha<=pi... this doesn't satisfy for any answers mentioned above by me... I feel this question is tricky... can someone find the answer?

I bet "Cheaters" don't have answer to this question...

I think that what they mean is to lay out something to count the number, they give you the number 5, find something (beans, legos, something) to act as a counter. Use those counters to count to the number 5, or the number 3, use more counters to count abo...

Sally has a total of 100 coins after she plays a game .she plays 10times how many coins does she have

T=Mg[(v^2/rg)-1] or T=[(3.32107773×10^-27)*g][(((299792458)*8.4)^2)/(g*0.551 m))-1]

Yes C is my answer. I'm I correct.

I know this isn't an answer but i was wondering if you ever found what the answer was?

Thank you so much for this. And I really like the way you lay out the way it is solved. easy to understand.

RICHMOND- you are sir should stop trying to show people how to do physics when you are completely wrong.

America is right I got a 100% with connections academy lesson 8 unit 6

Thank you very much Damon.

Thanks ur mom!!! Got all of them right

Suppose that f(x)=x^[1/3](x+3)^[2/3] (A) Find all critical values of f. If there are no critical values, enter None . If there are more than one, enter them separated by commas. Critical value(s) = (B) Use interval notation to indicate where f(x) is incre...

I dont understand what "Reiny" means by c(2,8) what is c and why is it in an (x,y) form????

Thanks so much Kayla jay!! You saved me from getting a 50% 😂

The answer is A

Don't vote trump.

Sasuke is right. 100%, thanks :)

Friendly is 100% correct!!! Thanks

1. A 2. B 3. B 4. A -2020