# Questions Asked onFebruary 23, 2019

1. ## Math

what is the sum or difference 3x^8-7x^8

2. ## math

A study was made of 200 preschoolers to determine if they watched some particular television shows. The choices were Little Galileo, Super Reader and Prehistoric Train. The results are I. 22 preschoolers did not watch any of these shows II. 73 preschoolers

3. ## SCIENCE

1. How does increasing the electric current affect the strength of an electromagnet? 2. What three ways are electromagnets different than magnets? 3. Explain the relationship between the number of loops in an electromagnet and the strength of the magnet.

4. ## life orientation

three influences of gender inequality on relationships and general well-being

5. ## life orientation

Explain clearly similarities and differences between funda lushaka and nsfas

6. ## Algebra

Are my answers correct? a. The number of bacteria present in a colony is 180 at 12 noon. The bacteria grows at a rate of 23% per hour. How many will be present at 8pm? Answer: ~943 number of Bacteria by 8pm b. A house purchased for \$226,000 has lost 3% of

7. ## English

Select the adverb clause to complete the sentence. Choose, Fatima will take her dog for a walk. Choices are: In a few hours Always responsible a day reliable Despite the bad weather Before the sun sets I am not sure which one to choose both the first one

8. ## MATH

what is the formula of the area of a rectangle if height, length, width is given. I know that the area of a rectangle is length times width.

9. ## Algebra

A bag consists of 4 different colored marbles. The probability of drawing each is as follows: P (Blue)=. 4 P (Red)= .2 P (Purple)= .3 P (Black)= .1 You draw a marble out of the bag and then replace it. What is the probability that you draw: a. A red marble

10. ## Algebra

What is the exact value of: sin 29pi/6

11. ## world history

What were the outcomes of King Henry VIII breaking away from Rome and forming the Church of England? (Select all that apply.) King Henry VIII became both the monarch of England and the head of the church. King Henry VIII ordered that Catholic monasteries

12. ## MATH

Cao somebody explain how sec^-1(6)=√35/6?

13. ## lifr orintation

how intra personal conflict can lead to emotional stress

14. ## SCIENCE

If the distance of two objects decreases, would the force of gravity increase or decrease?

15. ## math

Explain how you can use the rules you know for multiplying positive and negative integers to multiply positive and negative fractions. Answer in at least 2 complete sentences. HELP

16. ## Math

a. An arithmetic sequence has a 10th term 17 and 14th term of 30. what is the common difference?

17. ## Physics

1. A gate is hinged at A and B. Rope CD is tightened so that the net force in the x is zero. Given that AD=1.5m, AB=2m, BC=2.5m, Force of gravity= 595N a. What is the tension in rope CD b. What is the horizontal force at rope B c. What is the combined

18. ## History

What was an effect of the Napoleonic Wars on Europe? the collapse of the traditional empires of Austria and Russia the spread of popular ideas of monarchical power and imperial rule increased influence by the Ottoman’s Empire on Europe following

19. ## Life orientation

Five practical actions that can be taken to address human rights violations of xenophobia in the community

20. ## Algebra

A bag contains 8 black marbles and 20 yellow marbles. You reach into the bag and pull out a black marble. Then you reach into the bag and pull out another marble. What is the probability that the second marble is yellow?

21. ## Science help!

the process of desertification can occur when? A. Plants usually found in the desert replace trees that have been cut down B. Farmers use contour farming techniques C. An area of forest is clear cut D. an area of forest is selectively cut Please help ASAP!

asked by meow meow kit kat
22. ## Math

If anyone does this lol idk but im not gonna look at this because im already done (with the first and second task) Task 1 Bacteria are the most common example of exponential growth. Research and find a bacterium that grows each hour exponentially and

23. ## Spanish 202

Please check for any grammar mistakes in the questions below. Let me know if you have any questions yourself? Thank you. 1. ¿Por qué no deja la madre que vayan a la escuela los hijos? 2. Es incierto que la hija está en el río. ¿Dónde está Angélica?

24. ## social studies

Why is there a historical debate surrounding the Great Wall of China? A. The Great Wall was successful at keeping invaders out, but it was a costly project to build. B. The emperor's advisors refused to build the Great Wall although it proved to be a

25. ## Algebra

what is the exact value of tan- 13pi/6

26. ## Chemistry

Compare and Contrast the bonding found in the H2 and HF molecules with that found in NaF?

27. ## Algebra

b. You choose a card from a deck of cards that are numbered 11 through 20. There is one of each card in the deck. What is the probability that you will choose a number that is divisible by five?

28. ## Algebra

Use the arithmetic sequence nth term formula to solve the following problem: The first, second, and the nth terms of an arithmetic sequence are 2, 6, and 58 respectively: find the value of n and For that value of n, what is the exact value of the sum of n

29. ## Geography

Explain why 90% of air is concentrated in the layer closest to the earth

30. ## Algebra

what is the equation for the graphs given the following information: 2. the graph of: y = asinbx has amplitude of 4 and a period of pi/6 3. a sinusoid graph with a maximum at A(0,3) and a minimum at (2pi, -3)

31. ## math

Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = one-half*** 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1

32. ## English

What is the error in this sentence If it ain’t broken,don’t fix it.

33. ## Life orientation

Explain the following concepts: a)career field b)occupation c)career d)Job e)lifelong learning

34. ## Calc 3

Find the absolute maximum and absolute minimum of the function f(x,y)=2x^3+y^4 on the region {(x,y)|x^2+y^2≤25}.

35. ## history

Which of the following would have been studied as a result of the humanism movement? A. a copy of the Gutenberg bible B. the odyssey, by the Greek poet homer C. Martin Luther’s 95 thesis** D. The Canterbury tales, by English writer Geoffrey Chaucer

36. ## Algebra

Using system of equations: d. Find the value of two numbers if their sum is 120 and their difference is 40.

37. ## math

The 9th term of an AP is 52 while the 12 term is 70 find the sum of the 20 terms.

38. ## Physics

1. A guy is doing push ups, the length of the guy is 1.5 m, centre of mass is 0.9 m from the legs. He stops during the push up and holds the position in such a manner that his bent arm forms a 90 degree angle. Mass of the man is 50 kg. Find the force of

39. ## Calc 3

Find the absolute maximum and minimum of the function f(x,y)=ysqrt(x)−y^2−x+3y on the domain 0≤x≤9, 0≤y≤6.

40. ## math

Body mass index (BMI) is essentially a comparison between a person's weight and height. A BMI between 18.5 and 24.9 is considered healthy, over 25 is considered overweight, and over 30 is considered obese. How do you think a person's height varies with

41. ## Chemistry

At 25 degrees Celsius Ksp for CaSO4 is 2.5 x 10^-5 suppose 100mL of 0.5M Na2SO4 is mixed with 100mL of 1.65 M Ca(NO3)2 find the initial concentrations of Ca^2+ and SO4^2-

42. ## math

A ship leaves port and travels 21km on a bearing of o32 degrees and then 45km on a bearing of 287 degrees. a. calculate its distance from the port. b. calculate the bearing of the port from the ship

43. ## physics

A machine with a velocity ratio of 30 moves a load of 3000N when an effort of 200N is applied.the efficiency of the machine is what?

44. ## math

what is 9+10-5°/°2=

45. ## history

What were the outcomes of King Henry VIII breaking away from Rome and forming the Church of England?

46. ## Civic education

Meaning of pillars of Democracy and function of democracy

47. ## Life orientation

What are six symptoms of interpersonal conflict

48. ## Writing skills

It's best to use multiple exclamation points after an empathetic statement in a sentence the more they are used the better for the reader true or false

49. ## Physics

1. Crane with a weight on the hook of it. Find the upward force of the rear wheels given the centre of gravity a. Length of arm of crane (30m), weight of object on hook (in N), height (3.5m), length of crane (10m) 2 the centre of gravity which was 7m from