# Questions Asked onJune 15, 2020

1. ## mathematics

A triangle has sides 8 cm and 5 cm and an angle of 90 degrees between them. Calculate the smallest angle between them.

2. ## Chem

Why is Avogadro’s number referred to as a mole? A The name "mole" is an 1897 translation of the German Mol, coined by Wilhelm Ostwald in 1893. The name is assumed to be derived from the German word Molekül (molecule). B There is no relationship between

3. ## Trigonometry

Mike's hot-air balloon is 875.0 m directly above a highway. When he is looking west, the angle of depression to Exit 81 is 11 °. The exit numbers on this highway represent the number of kilometers left before the highway ends. What is the angle of

4. ## Math

A certain club has 50 people, and 4 members are running for president. Each club member either votes for one of the 4 candidates, or can abstain from voting. How many different possible vote totals are there?

5. ## Algebra

y - 7 = 3(x + 2) I need to graph in slope intercept form.

6. ## Chemistry

Which is an incorrect formula for a compound containing phosphorus. 1- P4O10 2- H2PO4 3- KPF6 4- Na2HPO3 5- Ca2P A) 3 B) 3 & 4 C) 1 & 5 D) 2 & 5 E) 1 F) 4 G) 3 & 5

7. ## Mathematics

Make t the subject of the formula √3d(t-d)/8

8. ## Chem

Molar mass, sometimes referred to as molecular weight, is the mass of one mole of a substance, and is usually expressed in A Liters B Grams C Density D Moles D? The mole is derived from the quantity of atoms in 12 grams of carbon-12. The mole is just a

9. ## Mathematics

Make h the subject of the formula q= 1+rh/1-ht

10. ## Math

A football team has won 12 out of 20 games so far. Express this information as a fraction (in lowest terms), a decimal, and a percent.

11. ## Trigonometry

Hi! I was unsure of how to answer this question.....could i get some help? Two angles of a triangle are 25 degrees and 40 degrees and the shortest side is 20 cm. Find the length of the longest side

12. ## mathematics

If x-3 is directly proportional to the square of y and x = 5 when y = 2,find x when y= 6.

13. ## statistics

If a seed is planted, it has a 85% chance of growing into a healthy plant. If 12 seeds are planted, what is the probability that exactly 1 doesn't grow?

14. ## Mathematics

1.the bearing of p from q is N56°E, calculate the bearing of q from p 2.if the bearing from abuja to kano is N48°W,find the bearing of kano to abuja 3.the bearing of a position to R is295°, find the bearing of R From the point

15. ## Mathematics

1.the bearing of p from q is N56°E, calculate the bearing of q from p

16. ## World History

Which accurately describes a scientific innovation of the Renaissance and its impact? The Bessemer method increased the production of steel and led to growth of cities. The cotton gin increased the speed of production for products such as clothing.

17. ## Chem

True or false: In chemistry, the mole is used the same way that a grocer would use a dozen. It is a number representing a quantity that is independent of mass or volume. True False False Avogadro’s number: A Equals 6.02 × 10^23 molecules/mole. B Is used

18. ## mathematics

If p is directly proportional q and p=4.5 when q = 12 ,find the relationship between p and q,p when q= 16,q when p= 2.4

19. ## Mathematics

Given that log y= log(10xn), make n the subject NOTE: n is the power

20. ## calculus

"--> ibb.co/Xsd01qH" included a picture of the question. 1. My answer would be 1,2,3,4 2. When and where they occur: between 1-4 days? thanks

21. ## Chem

Why is Avogadro’s number referred to as a mole? A The name "mole" is an 1897 translation of the German Mol, coined by Wilhelm Ostwald in 1893. The name is assumed to be derived from the German word Molekül (molecule). B There is no relationship between

22. ## Mathematics

A chord AB of length 13 cm subtends an angle of 67° at the circumference of a circle center O. Find the radius of the circle

23. ## Mathematics

Roll a dice 20 times. Record the results using tally marks. Use probability words to represent each of the following outcomes below. Show your work.

24. ## Math

If 4 sin^2 θ - 3 is equal to 0 . What is the value of θ for 0° < θ < 90° ?

25. ## mathematics

Find a polynomial function P of the lowest possible​ degree, having real​ coefficients, a leading coefficient of​ 1, and with the given zeros. 2plus2i​, minus1​, and 2

26. ## mathematics

If the angle of the top of a tower from a point 42m away from it's base on level ground is 36° find the height of the tower

27. ## World History

Which accurately describe the theology of the Catholic Church during the Middle Ages? Select all that apply. Kosher dietary laws determined what foods Catholics could and could not eat. Catholic scriptures promoted jihad, which is the internal and external

28. ## History

Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? Select all that apply. A.The Middle Ages followed Roman Catholic traditions, whereas the Renaissance was

29. ## Mathematics

An airplane has an airspeed of 400 km and is heading due west. If it encounters wind blowing north at 120 km/h, how many degrees north from west is the resultant velocity of the plane?

30. ## Algebra

At Generic High School, in the year 2001, there were 20 students per every computer. In 2008, there were 4 students per computer. Write two ordered pairs to represent the ratio of student to computer. (Let x equal the number of years since 2000.)

31. ## chemistry

Nitrogen gas has a volume of 2.7 L at SATP. Whats the volume when the temperature cools to -30 degrees celcius?

32. ## Math

(Estimate) -3/4 + 15/24 a.-3/4 b.1/2 c.1/8 d.-1/8*

33. ## Chemistry

10g of h2so4 is added into 20g of water. Calculate the mole fraction of h2so4

21=p−12.

35. ## Mathematics

a. Draw the graphs of y=4cosx and y=2x-x on the same set of axes for -2π

36. ## Chemistry

Br2(aq) + 2 KI(aq) ==> 2 KBr(aq) + I2(s) What is oxidized and what is reduced in this reaction?

37. ## Algebra

In a group of 180 persons composed of men, women, and children, there are twice as many men as women, and three times as many women as children. How many are there of each?

38. ## Math

Which value of k will make the lines parallel r= (1,2)+s(2,3), S e R and 12x + ky= 0? Ok so I used ratios and got k=8. Is that right? Pls n thanks! :)

39. ## Math

1/) Joe and Jerry went for a bike trek during nthe holidays. On the first day they rode 1/3 of the total distance. On the second day they were tired and only rode 1/4 of the remaining distance. On the third day they rode half of the distance left. The last

40. ## Mathematics

A man wants to buy a residential house valued at she.500000. A housing finance company advances him 90% of the amount. He repays by equal monthly installments of sh.6500 for 15 years. Calculate the total interest paid to the financing company

41. ## Mathematics

Two solid spherical balls with centres P and Q touch each other. The balls lie inside and in contact with a hemispherical bowl of center R. Given that PQ=13 cm, QR=16cm and PR=19cm, calculate the radii of the bowl and the two spherical balls

42. ## Mathematics

Make X the subject of the formula S= W√a²- x²

43. ## Mathematics

Make y the subject of the formula P= xy/x-y

44. ## art

what is an example of "unity" in an art painting?

45. ## Algebra

The right triangle , find the side length x.

46. ## mathematics

A logarithmic function of the form f(x) = log_b x+c has an x-intercept at x = 1 and a vertical asymptote at y = 0. Also, f(x) intersects with the line y=1 when x=8. what is f(x)

47. ## Mathematics

An aeroplane flies due north from Ikeja airport for 400km. It flies on a bearing of 060° for a further distance of 200km before overflying a road junction find the distance of the aeroplane from Ikeja airport when it was directly above the road junction.

48. ## Algebra

If -1< x < 4 then a < 5x +6

49. ## Mathematics

|A|= 5, |B|=2,, The angle between A and B is 120. Determine the unit vector in the direction of |A+B|. I don't know what to even do. I tried but idk pls help!!

50. ## Mathematics

Find the depth in meters of a hemispherical bowl that will hold 12.75kg of water

51. ## Mathematics

Vinny is 5years older than his sister Lucy. Lucy is y years old now. Write an expression to show the sum of their ages in 10years to come.

52. ## Mathematics

Make c the subject of the formula T= x√c²+d²

53. ## Mathematics

Make p the subject of the formula P²= (p-q)(p-r)

54. ## Mathematics

Given that y= 2x-z/X+3z, express X in terms of y and z

55. ## Art

what are some examples of scale and proportion? can i have a few examples for each?

56. ## Algebra

Hii! I'm kind of stuck on these, they may be simple I have a lot going on because tomorrow is my last day of school, and I need to turn this in tomorrow;;; Can someone help? Please? :,) 1. Alex has \$40, and Ellen has \$24. Alex is saving \$6 per day, and

57. ## Science

A man walks five miles due east and then three miles in a direction 60° north of east .calculate the displacement of the man.

58. ## Mathematics

using ruler and a pair of compasses only construct a quadrilateral ABCD with ab equal 9 cm BC equal 10 cm equal 7.5 cm and ab is equal to 5 degree and less than b a d equal 135 degree what type of quadrilateral is ABCD

59. ## Science

A ship that can cruise at 12km/h in still waters , sets course due S.W .it is driven off by current flowing W.15.N at a rate of 4 km/h.calulate : a. The resultant velocity b. The displacement after 3 hours.

60. ## algebra

-1 9 19 29 what are the next 3 sequence

61. ## mathematics

a box contians 12 bulbs with 3 defective ones .if two bulbs are dramn from the box together,what id the probability

62. ## computers

Which of the following is an example of user generated content? Lilly and Jim post their video on youtube Craig sends a youtube video to a friend Lisa and Hannah download their favorite music Todd watches a movie on his ipod