Questions Asked on
June 2, 2017

  1. Math

    If 3/4 of the employees in a supermarket are not college graduates,what is the ratio of the number of college graduates to those who are not college graduates? I have solved ,please check it. Let x total employees (3/4)× not graduates So (1/4)x are

  2. Technology

    Calculate the force required to move a small pistons that has an area of 2m2,if the force of a large piston is 20n with an as area of 4m2.Hint use a formulae :a frorce of small piston divided by an area of small piston equal to force of large pistone

  3. Physics

    1. The weight in the following diagram has a mass of 0.750 kg and the cart has a mass of 0.52 kg. There is a friction force of 2.1 N acting on the cart. What is the tension in the string? a. 4.4 N b. 4.3 N c. 4.1 N d. 4.2 N 2. An 8.5 kg block is attached

  4. Just trying to find the correct size for a project

    If isosceles angles are 45, 67.5 and 67.5 with a height of 5.25" what is the length of the base?

  5. physics

    A large truck with a mass of 3200 kg is pulling a trailer with a mass of 2400 kg. Both are accelerating at a rate of 0.45 m/s^2 . Determine the tension force between the truck and the trailer, and determine the force with which the truck is pulling. I'm

  6. geometry

    A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candle has a radius of 0.5 inches and a height of 3 inches. The other two candles are scaled versions of the smallest, with scale

  7. Math

    Find the coefficient of x^4y^3 in the expansion of (x+2y)^7

  8. Geometry

    TV screens are measured on the diagonal. If we have a TV-cabinet that is 72 inches long and 64 inches high, how large a TV could we put in the space (leave 2-inches on all sides for the edging of the TV)? Round your answer to the nearest tenth.

  9. Math

    solve the equation? 3x + 6=24

  10. geometry

    A candy company has hired you as their new production manager. Your job is to choose the form of packaging for a new product from the five choices below. The package must hold at least 100 cubic inches. The cost of the cardboard for the packaging is $0.04

  11. Math

    ALi rents a car for d days. He pays m dollars per day for each of first 7 days, and half that rate for each additional day. Find total rent, if d greater than 7?

  12. physics

    1. The weight in the following diagram has a mass of 0.750 kg and the cart has a mass of 0.52 kg. There is a friction force of 2.1 N acting on the cart. What is the tension in the string? a. 4.4 N b. 4.3 N c. 4.1 N d. 4.2 N 2. An 8.5 kg block is attached

  13. maths

    54% of the pupils in a class are girls. what % of pupils are boys? if the number of boys are 23. find the strength of the class.

  14. Algebra 2

    The fly population on an island is declining at a rate of 1.7% per year. The population was 4600 in the year 2016. Which answer is the best prediction of the population in the year 2023? 4010

  15. science

    Copper crystallizes in a face centered cubic lattice . Calculate the nmber of unit cell in 1.2 g of copper atomic mass of copper is 63.5 u

  16. Chemistry

    Which is a chemical change? A - splitting water into hydrogen and oxygen B - breaking a block of solid ice into smaller pieces C - freezing liquid water D - boiling water My answer: D

  17. Math

    1. 16x^2 + 2 + 2x - 15x^2 - 1 + 14x a. 31x^2 + 16x + 1 b. x^2 - 12x + 1 c. x^2 + 16x + 1* d. x^2 + 16x + 2 2. 3x^2 + 6 - 2x + 5x - 4^2 + 9 a. -x^2 + 3x + 15* b. 7x^2 + 3x + 3 c. x^2 - 3x + 15 d. -x^2 + 7x + 15 3. 2x^2 + 6x - 7x + 8 -3x^2 + 1 a. 2x^2 + x +

  18. Language

    Which of the following is an example of personification? 1. The kitten lapped the milk greedily from its bowl before lying down to take a nap. 2. The flames form the campfire danced wildly and created mischievous shadows on our tent. 3. The coins in the

  19. Math

    Line CB is perpendicular to line AD at B between A and D. Angle BCA is congruent to angle BCD and line AC is congruent to line DC. Which congruency statements (HL, AAS, ASA, SAS, and SSS) can you use to conclude that triangle ABC is congruent to DBC? A)HL,

  20. sicence

    A weightlifter lifts a weight of 500N from the ground over her head, a distance of 1.8m. How much work has been done to move the weight?

  21. Economic applications

    How do I find the factors affecting or determining demand of a fast moving consumer goods like washing machine detergent

  22. Algebra 2 quick check

    What is the inverse of f(x)=2x−3 ? f−1(x)=−2x+3 f−1(x)=2x+3 f−1(x)=−1/2x−3/2 f−1(x)=1/2x+3/2 < My choice What is the inverse of the function? g(x)=−43x+2 g−1(x)=−4/3x−2 g−1(x)=4/3x−2 g−1(x)=3/4x+2/3 g−1(x)=−3/4x+3/2

  23. Math

    Michael has 1 liter of a mature containing 69%of boric acid. How much water must be added to make the mixture 50% boric acid ? Represent answer as fraction.

  24. physic

    If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. temperature needed = energy/ mass x specific heat capacity

  25. health

    What do JCAHO standards deal with? What do HIPAA guidelines deal with? How do HIPAA rules protect patient healthcare information in a medical office setting ? What does OSHA stand for ? What do OSHA regulations deal with ? What does QA stand for ? What are

  26. Math

    1. In the expression -9x - 2 x^2 + 7 what is the coefficient of x? a. -9* b. -2 c. 7 d. 9 2. (m^2 - m - 3) + (m - 4) :add or subtract a. m^2 + m - 1 b. m^2 + 2m - 7 c. m^2 - 7 d. m^2 - 1*

  27. fractions

    Michael owns 3/8 of the shares in a company. he sold 1/3 of his shares to his friend. if there are a total of 7600 shares in the company, how many shares does michael still have left ?

  28. Language Arts

    Need help with Dragonwings

  29. Math

    Sam works 8 hours a day, 6 days a week, delivering flowers. And he earns $5.50 for delivering flowers per day, per hour. In 4 weeks, how much will he earn?

  30. Algebra

    Student tickets to the Homecoming game cost $5 each. General admission tickets cost $8 each. So far, 150 tickets have been sold. $900 has been collected. A. Write a system of equations for this model in standard form. 8G = General Admissions: 50 sold 5S =

  31. Chemistry

    For an experiment, we used 10 mL of HCl. We are then to find the moles of it without any other information given. Is this right? (10 mL HCl)* (1.19 g / mL) = 11.9 g HCl (11.9 g HCl) * (1mol/36.46064 g) = 0.326 mols HCl

  32. Algebra

    Student tickets to the Homecoming game cost $5 each. General admission tickets cost $8 each. So far, 150 tickets have been sold. $900 has been collected. A. Write a system of equations for this model in standard form. 5S = Student tickets: 100 sold 8G =

  33. Math

    Sam works 8 hours a day, 6 days a week, delivering flowers. And he earns $5.50 for delivering flowers per day, per hour. In 4 weeks, how much will he earn?

  34. Math

    Jill shops once a week at a store. If the mean (average) amount that she spends per week is $27.20, how much did she spend in the past 8 weeks?

  35. Washington state history

    How did Inflation in the 1970s contribute to washington's. boom-and-bust cycles? A.It decreased unemployment in key industries. B.it drove up the cost of consumer goods. C.it increased wages for workers. D.it spurred production in agriculture.

  36. Social Studies

    In the opinion of the company accountant, the managers completely failed to understand what was really going on: a little-known phenomenon known as the Hawthorne effect. According to the Hawthorne effect, when you introduce an innovation is new. Managers

  37. Physics

    A brown road runner is standing still pecking at soil looking for worms. Suddenly, a black road runner travelling at a constant speed of 9.25 m/s, overtakes the brown roadrunner. The brown road runner notices that the other one has a worm in its mouth and

  38. Math

    Student tickets to the Homecoming game cost $5 each. General admission tickets cost $8 each. So far, 150 tickets have been sold. $900 has been collected. A. Write a system of equations for this model in standard form. B. Graph the system. ( let each square

  39. science

    condition required when Silver Nitrate reacts with dilute hydrochloric acid

  40. Social and Behavior Sciences

    Hello, can someone help me with the following questions. I am indecisive. In evaluating the source of information there are __________ questions or criterion one must ask or consider. 1. 3 2. 4 3. 5 4. 6 I selected number 4. 6 but am looking at 2. A

  41. Math (Sorta dumb question)

    I'm given the equation S = L(1 - e^(-kt)) I am asked to write S as a function of t when L = 100, S = 25 when t = 2 So would my final answer just have S and t as variables? Or have S, t and L as variables? Ended up with S = 100(1 - e^((ln(3/4)/2)*t) Or is

  42. Math

    A man walk 9km in the direction 246 degrees and then for 6km in the direction 096 degrees.... What is the answer in diagram Form?

  43. Math

    A man walk 9km in the direction 246 degrees and then for 6km in the direction 096 degrees...... What is the displacement from the starting point?..... Formula and answer please?

  44. Math

    An aircraft has airspeed of 300km/h and it's course is 020°. The speed of the wind is 80km/h blowing from 320°..sketch the diagram to represent this information (ie: the triangle of velocities).

  45. Math

    I am an even number less than 100.One of my factor s is 13.I am made from two consecutive digits.What number am I ?

  46. Math A Calculus

    For a =( 2 ÷3)and b=(-1÷4)..Find a).. a+b b).. | a+b | c).. Find the length of the vector i + 2j-- 2k

  47. History

    I need to know what life was like in Georgian Times.

  48. Math

    Geometric series: n= infinity sign a1=5 r= -1/4 The equation 5(-1/4)^i-1

  49. Maths

    Does squaring a function affect the asymptotes? For example, if you square the function 1 over x + 3 does it change the asymptotes that were y = 0 and x = -3? Thank you!

  50. Math calculus

    (2) (-1) (3)+(4)

  51. History

    Who was Hitler?

  52. Math

    The price of a technology stock has risen to $9.68 today. Yesterday's price was $9.57. Find the percentage increase. Round your answer to the nearest tenth of a percent

  53. Geography

    Find out location longitude, latitude of Pretonia

  54. Algebra

    For which value of x must the expression 97x − − − √ 97x be further simplified?

  55. Calculus

    The prompt for all of these question is "consider the function f(x) = sin^2(x)". Part A: Write the first four terms of the Maclaurin series for f(x). I assumed this implied non-zero terms, so I found x^2-(1/3)x^4+(2/45)x^6-1/315(x^8). I am fairly confident

  56. Chemistry

    if a flask of 750 ml of 0.80m of nacl solution was left, and 275 ml evaporated, what is the new concentration

  57. Math help?

    What do I do in an equation if there is a number without an exponent within the parenthesis? One example being... (-2)^2 Thanks in advance!

  58. Maths (probability)

    What is the probability that a 10-sided die is rolled 3 times and each time the value was unique (i.e. there are no repeating values from previous rolls)? I know I can do this with a tree diagram fairly easily, but is there a formula for it that doesn't