Questions Asked on
July 29, 2020

  1. Mathematics

    First term 30 the sum of the first five terms is 300

  2. Geometry

    Nisha is looking out the window of her apartment building at a sculpture in a park across the street. The top of Nisha's window is 80 feet from the ground. The angle of depression from the top of Nisha's window to the bottom of the sculpture is 20°. How

  3. Physics

    A spring of natural length 30.0cm is stretched 35.0cm by a load of 15N Cal calculate the extension produce Pls answer nowwww

  4. Chemistry

    Visit: VIRTUAL LAB: Textbook Style Limiting Reagents Problems on Chem collective Windows and Macintosh users: Please use Firefox or Chrome web browser. The simulation will run on most laptops, desktops and touch-enabled devices such as tablets, iPads or

  5. History

    Which shows the greatest degree in which the modern Chinese business model is affecting humanity? a)Chinese technology has allowed for the design of cheap, easily assembled, prefabricated housing to be used in any regions stricken by poverty or hit by

  6. Chemistry

    Which of the statements correctly describes cis isomers? The carbon chain enters and leaves the single bond on opposite sides of the molecule. The carbon chain enters and leaves the single bond on the same side of the molecule. The carbon chain enters and

  7. English

    This is a re-update to my last question (last-was missing info) I am having trouble writing a paragraph for the following prompt below, Can someone please give me a outline to follow please and thank you. Prompt: Write one complete paragraph describing

  8. world history

    What was the counterculture? A: citizens who questioned the established political and social norms. B: a CIA plan to plant agents in student protest groups to inform on them. C: a means of overthrowing a nation by infiltrating its military forces. D: civil

  9. Science

    An object is projected with a velocity of 50 m/s at an angle θ of the vertical of the total time of flight of the projectial is 5sec what is the value of θ?

  10. Chemistry

    Which option correctly defines an alkyne? a hydrocarbon in which at least one carbon atom makes a triple bond a hydrocarbon in which at least one carbon atom makes a bond with an oxygen atom a hydrocarbon in which at least one carbon atom makes a double

  11. English

    The teacher asked me to close the window. What could be the best option if this sentence was written in direct speech? A. "Please close the window", The teacher said. B. “Please closed the window.” Said the teacher. C. “Close the window please,

  12. Mathematics

    Calculate the value of a, A and C in ∆Abc given that b = 17.23cm, c= 10.86cm and B= 101°15

  13. geometry

    a circular table is pushed in the corner of a rectangular room such that it touches the two perpendicular walls of the room. A point on the periphery of the table such that it is 9 units from one wall and 8 units from the other wall. find the radius of the

  14. English

    1. The factory in "Mexicans Begin Jogging" was under investigation for a) employing illegal immigrants b) unsafe working conditions for employees c) manufacturing illegal products and parts d) forcing labor from undocumented immigrants 2. Before he would

  15. Math

    The sides of a triangle are xcm, (x +3)cm and 10cm. If x is a whole number of cm, find the lowest value of x. Options (A) 3 (B) 4 (C) 5 (D) 6

  16. math

    Leah has 28 more marbles than Dan. 1 3 of Leah’s marbles is equal to 4 5 of Dan’s marbles. Find the number of marbles that Leah has.

  17. mathematics

    two observer p and r 15 meters apart observes a plane in the same vertical plane and from the same side of the kite,the angles of elevatio of the plane from p and r are 30 60 respectively.find the height of the plane to the nearest meter.

  18. math

    gabriella volunteers 15 hours in a week. How many weeks in a year would that total in? - 10 hrs? - 4 hrs? - 3 hrs? - 2 hrs?

  19. mathematics

    a. Provide two independent events that you know the probability of. b. Explain how you know these events are independent. c. Find the probability that they both occur. a. Provide two dependent events. b. Explain how you know these events are dependent. c.

  20. Chemistry

    Which of the following six-carbon molecules can be a straight-chain alkyne with two triple bonds and no double bonds? C6H4 C6H6 C6H8 C6H10

  21. Chemistry

    In alcohols, the electronegative _________ atom attracts electrons more carries a partial negative charge. The _________ in the hydroxyl group carries a partial positive charge. The partial negative and partial positive charges attract each other and form

  22. Chemistry

    The bond involved in a substitution reaction is a __________ bond. A substitution reaction __________ the saturation of the molecule.

  23. Chemistry

    Read the two passages. Silicon is an element that is directly below carbon on the periodic table. Silicon can form bonds similar to carbon. Silicon-silicon single bonds require 222 kJ/mol of energy to break. Based on the statements, how much energy would

  24. Chemistry

    he monomers for __________ polymers may contain atoms other than carbon. Generally, water is a __________ in the polymerization reaction for these polymers.

  25. Chemistry

    The monomers for __________ polymers may contain atoms other than carbon. Generally, water is a __________ in the polymerization reaction for these polymers.

  26. pre-calculus

    The High Roller Ferris wheel in Las Vegas, the tallest in the world, is elevated 2 m above ground. When a car reaches the highest point on the ferris wheel, its altitude from ground level is 168 m. How far away from the center, horizontally, is the car

  27. Chemistry

    The equation for a normal calibration curve for the detection of iron(II) is determined experimentally to be 𝐴 = 12.93 𝑀^−1 [𝐹𝑒^2+] + 0.0017 Analysis of a sample with unknown concentration gives an absorbance reading of 0.106. What is the

  28. Algebra

    A total of 800 m of fencing material is used to enclose a rectangular field and to divide the field into four portions by fences parallel to one of the sides of the field. Find the maximum area which can be enclosed in this rectangle and it’s dimensions

  29. Mathematics

    In the remote village of Kandang, there are only three villagers, Bee, Cee, and Gee. One fine day, you visited Kandang village because you heard about the story that the village consists of Lembu, the one who is always right in his words, and Kambing, the

  30. Mathematics

    If x is acute angle, and tan x=3 , evaluate cos x−sin x _ __________ 4 cos x+sin x

  31. math

    Determine an equation of a rational function of the form with x-intercept of 1/4, y-intercept of -1/2, vertical asymptote at x = -2/3, and horizontal asymptote at y = 4/3.

  32. Math

    In isosceles triangle RST, RS =ST. If A is the midpoint of RS and B is the midpoint of ST, then A)SA>ST B)BT=SA C)SR>RT D)RT>ST

  33. Math

    (x +3)cm and 10cm.

  34. math

    fx=-x+2 , gx=(x-3)^(2) y=g(f(x)) y=f(x)+g(x) y=f(x)g(x)

  35. Chemistry

    N2(g) + 3H2(g) -> 2NH3(g) at STP a) How many litres of ammonia gas is produced using 5 litres of H2? b) How many moles of N2 are needed?

  36. English

    I am having trouble writing a paragraph for the following prompt below, Can someone please give me a outline to follow please and thank you. Prompt: Write one complete paragraph describing what your project is about.

  37. science

    Ti2++cr2o72-