# Mira

Popular questions and responses by Mira
1. ## math

fill the sequence 8, 23, 44,74, 116 next two terms of sequence

2. ## physics

A car moves with a speed of 30km/hr for half an hr,25km/hr for 1he and 40km/hr for 2hrs. What is the average speed of car?

3. ## chem

If you pour equal amounts of scalding hot water into different metallic cups of equal temperature, which cup will heat up the most? Rank the cups from hottest to coldest. Rank from warmest to coolest final temperature. 500-g cast iron cup 500-g gold cup

4. ## Chemistry

A helium balloon contains 0.54g of helium. Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it contain?

5. ## math

perry mixed 4 2/3 ounces of red paint and 3 1/3 ounces of yellow paint to make the right shade of orange paint. He needs 40 ounces of orange paint to paint the rest of the desk. How many ounces of red and yellow paint should Perry use to make enough orange

6. ## chem

Rank the following species according to the decreasing energy needed to raise the temperature of 10.0g of the substance by 25.0 degrees celsius Rank from most to least energy needed. Rank these in order of the question. copper aluminum cast iron silver

7. ## PreCalculus

How would I find cos(u/2) if sec u =13.465 and u is in Quadrant-IV (assume that 0

8. ## Chem

Calculate the mass percent composition of C,H, O and in aspirin. Express your answers using two significant figures. Enter your answers numerically separated by commas.

9. ## statistik

can you show me the calculation ;) The life expectancy of computer terminals is normally distributed with a mean of 4 years and standard deviation for 10 months. a. What is the probability that a randomly selected terminal will last more than 5 years? b.

10. ## English

Please check my answers! I'm like 92.7% sure there correct but I want to be sure. My answer has the ~~~. Which of the following is the indirect object in the sentence? Lizzie gave Charles a hige birthday gift. A.Lizzie B. Charles~~~ C. Huge D. Gift Which

11. ## Physics

A 4.500 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.455 and the coefficient of kinetic friction is μk = 0.155. At time t = 0, a force F = 12.4 N is applied horizontally to the block.

12. ## Chemistry105

When 50.0 Ml of 1.00 m chi was mixed with 50.0 ml of 1.00 m NaOH in a calorimeter the temperature rose from 25.0 c to 32.0 c calculate the heat change for the reaction assuming that the total volume of the solution is 100.0 ml and the specific heat is 1.00

13. ## Chemistry105

When 50.0 Ml of 1.00 m chi was mixed with 50.0 ml of 1.00 m NaOH in a calorimeter the temperature rose from 25.0 c to 32.0 c calculate the heat change for the reaction assuming that the total volume of the solution is 100.0 ml and the specific heat is 1.00

14. ## statistik

Below are random sample of 4 observations. 25,75,32,56 Based on the given information, determine whether or not the population from which this sample was taken is significantly different from 48 at 95 percent confidence level. (Assume the population is

15. ## statistik

can you show me the caculation :) Last year, 50% of MNM, Inc. employees were female. It is believed that there has been a reduction in the percentage of females in the company. This year, in a random sample of 400 employees, 180 were female. a.Give the

16. ## Chemistry 105

What is the weight/ weight% of a solution made by dissolving 12.0g of NaC1 in 100.0 g of water?

17. ## Humanities, social studies

Can someone please give me links or answer these questions: What Culture did the Burgundians have? if so, what did they do (culturally) How did the Burgundians Are they a democracy, monarchy, etc.? How did they make money (politically and economically) I

18. ## physics

The half life of a radioactive sample is 6.93 days.after how many days will only one -tenth of the sample be left behind?

19. ## chem

How do these things shift the direction of a chemical reaction?: -adding/removing reactants -adding/removing products -adding/removing energy This is how I think I understand it: -adding more reactants pushes it to the right -removing reactants pushes it

20. ## chemistry

How do these things shift the direction of a chemical reaction?: -adding/removing reactants -adding/removing products -adding/removing energy Thanks! It depends upon the equation and whether the reaction is exothermic or endothermic. Post the entire

21. ## physics

A car, starting from rest, accelerates in the positive x direction. It has a mass of 1.10 x 103 kg and maintains an acceleration of 4.6 m/s2 for 5 s. Assume that a single horizontal force accelerates the vehicle.Determine the average power generated by

22. ## Math

Please check my answer.. Find a point E on segment CD such that the ratio of segment CE is 5/8 C is placed on (-9) and point D is placed on 7. A. -8 B.-1~~~ C. 1 D. -3

23. ## History/Government

Please check my answers. What does the phrase jus sanguinis refer to? A. Citizen by birth on US soil B. Citizenship by serving in the armed forces of the US C. Citizenship by marrying a US citizen D. Citizenship because ones parents are US citizens

24. ## chemistry

suppose as student returned some unused lead nitrate to the container marked sodium nitrate. what could the student do to get all the lead ions out from the sodium nitrate?

25. ## Math of Investment

How long will it take for money to double itself at {0.55, m=2}

26. ## Math / Statistics

{ In a recent basketball game, a player who makes 65% of his free throws made eight consecutive free throws. Assuming that free-throw shots are independent, determine whether this feat was unusual. } I'm just a little lost on how to determine if it's

27. ## Calculus 2

How would you find the following. A step by step process would greatly be appreciated. 1) Convert the polar equation to a rectangular equation. r^2 = 8sin2θ

28. ## Math

A gardener grows roses, tulips, and sunflowers in an 18-acre public garden. This year, she wants to plant twice as many acres of sunflowers as acres of tulips. She also wants wants to plant 6 more acres of roses than of sunflowers. How many acres of each

29. ## teachers aide

Resources for educating young children with diverse abilities part-3 Please check my answer?This is my last exam. 1--c 2--b 3--c 4--c 5--a 6--d 7--b(not sure) 8--d 9--b 10-c 11-b 12-a 13-d 14-c 15-d 16-a 17-c 18-d 19-c 20-a

30. ## teachers aide

This is my answer of Resources for educating young children Part-3.please some one fix if i wrong. 1--c 11--b 2--b 12--a 3--c 13--d 4--c 14--c 5--a 15--d 6--d 16--a 7--b(not sure) 17--c 8--d 18--d 9--b 19--c 10--c 20--a

31. ## finance

Suppose Delta Company issued bonds with a 15-year maturity, a Rs. 1,000 par value, a 12 percent coupon rate, and semiannual interest payments. If actual price of the bond in the market is Rs 900, compute yield to maturity, current yield and capital gain

32. ## physics

A 62.0 skier is moving at 6.10 on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.30 long. The coefficient of kinetic friction between this patch and her skis is 0.330. After crossing the rough patch and returning to

33. ## Chem

Calculate the mass percent composition of C,H, O and in aspirin. Express your answers using two significant figures. Enter your answers numerically separated by commas.

34. ## chem

Calculate the amount of heat required to heat a 3.3kg gold bar from 24 degrees celsius to 61 degrees celsius. Specific heat capacity of gold is 0.128 J/g degrees Celsius! Express your answer using two significant figures.

35. ## Chemistry105

A 10.00 mL volume of sulfuric acid required 23.65 mL of NaOH solution for complete neutralization. What is the molarity of the acid solution?

36. ## Chemistry105

1. (a) What is the molarity of a solution prepared by dissolving 4.315 g of NaOH in water to exactly 100 mL in a graduated flask? (Na = 23.0; O = 16.0' H = 1.0 amu). (b) What volume of the above solution is required to neutralize exactly 25.00 mL of 0.1500

37. ## statistik

the average starting salary of this yaer's graduates of a large university (LU)is \$25000 with a standard deviation of \$5000.futhermore,it is known that the starting salaries are normally distributed. a)what is the probability that a randomly selected LU

38. ## statistik

twenty percent of the employees of a large company are female.use the normal approximation of the binomial probabilities to answer the following question. what is the probability that in a random sample of 80 employeses a)exactly 16 will be female? b)14 or

39. ## Chemistry105

What is the molarity of a solution made by diluting exactely 10.00 mL of a 0.1235 M solution of KNO3 to exactely 250 mL in a graduated flask?

40. ## Math ( composite functions )

I need some help with composite functions where i have to find the f(g(x)) and g(f(x)) on most of them I just couldn't figure out how to multiply.... 1) f(x) = ³√x-5 , g(x) = x^3 + 1 So I started on this one and i got confused with the cubed

41. ## physical science

determine the amount of gravity of two bobies whose mass is 10 grams each and are 10 cm apart?

42. ## physical

the missile in problem 16 took 2 minutes to reach the height it attained. how much power was used?

43. ## chemistry

a gas has a volume of 20 liters measured at 27 degree celcius and 4 atmospheres .What will be its volume at standard temperature pressure?

1. Explain how natural selection and sexual selection can work together to cause the evolution of large antlers on male moose. 2. Suggest two ways a synthetic biologist can change the course of evolution.

45. ## College Physics

A ball is thrown upward at a speed v0 at an angle of 53° above the horizontal. It reaches a maximum height of 8.2 m. How high would this ball go if it were thrown straight upward at speed v0?

46. ## science physics

a small aircraft experiences s lift force equal to 3.8 times of its weight. a)draw a diagram to show the forces acting on the aircraft when it is flying in a horizontal circle with its wing banked at an angle to the horizontal b)determine the maximum bank

47. ## movement and music

the best time of day for toddlers to participate in a movement session is a morning, b noon, c afternoon d evening

48. ## Chemistry

What is the pH for the potassium propionate solution at the equivalence point?

49. ## calculus

How many critical points does the function: (x+2)^5 * (x-3)^4 have? How would I solve this quickly? The answer says something about an effect of multiplicity of the zeros of the function?

50. ## federal tax

Compute Marie's taxable income for 2008, assuming she is single and claims two dependent children. Her adjusted gross income is \$70,000 and she has itemized deductions of \$9,000.

51. ## computer science /use java language

write the program that inputs a string representing a binary number(0s and 1s). First, your program should veerify that it is indeed a binary number, that is, the number contains only 0s and 1s . if that is not the case, your program should print a message

What is 2 x (4 to the power of 2) - 12 + 5 ?

53. ## biology

how will you find out about the animals that live in the pond?

1. ## @ nathan

~no comment~

posted on June 3, 2020
2. ## Science/Astronomy

May you rephrase your answer. Posting a site doesn't really help me. :/

posted on June 3, 2020
3. ## Math

A drug trial is testing the effectiveness of two drugs. If 50 patients are given Drug A, 20 patients are given Drug B, and 100 patients are given a placebo, what is the probability that a patient will NOT be given a placebo?

posted on February 6, 2020
4. ## succession and natural selection

So the promotional part can become less a factor through the rest of the year. mortgage calculator Comments would be the opinions from the comment writer, not of Castanet.v

posted on December 12, 2019
5. ## physics

90km/he

posted on June 2, 2019
6. ## MATH

You are correct, the answer is 300cm^2

posted on April 17, 2017
7. ## English - The Red Badge of Courage

Umm...guys warning if you use the answeres peter put ur gonna not only fail the test but get caught on cheating because he put TXX answers whoch means if more than 3 students get the exact same answers wrong and put the exact same answers they will me

posted on February 2, 2017

At first I thought this was a joke because a lot of the answers were b and c but they are all right!!!!

posted on October 31, 2016
9. ## IQ question

31215

posted on December 3, 2015
10. ## Organic Chemistry

I'll try to answer those questions. But I need someone to check for me. 1) anthracene

posted on September 29, 2015
11. ## Calculus 2

Thank you so much. I was stuck on the right hand side with the 8sin2θ. Not sure what to do with the 8 and 2. This has cleared it up very well.

posted on May 17, 2015
12. ## math

thank you. it is grade 7 special math school

posted on January 30, 2013
13. ## Chemistry105

Can you please plug in the numbers this is so confusing.

posted on December 6, 2012
14. ## Chemistry105

Hci

posted on December 4, 2012