# william

Popular questions and responses by william
1. ## Lo

Suggest how attitude and safety skills may deal with the impact of environmental factors at a personal level.

2. ## math

what are the 5 number combo in 1 to 39

3. ## Art

1. Why would an artist chose to use harmony in a piece of artwork? 2. Perspective drawings will utilize all methods listed here except? 3. To create an image that is not harmonious, an artist could...?

Are these correct? I mark my answer with an X. 88. The reason to list all of the preliminary (non-procedural) information in a lesson plan is to be sure have considered each aspect. keep good records for your future needs. be able to communicate clearly

5. ## English

@ words : 1- curtail 2- devastate 3- digress 4- incentive 5- incorporate 6- indispensable 7- intermittent 8- rigor 9- squander 10-succumb Linda never had to work hard to make good grades in high school. But in college, where the ___(8)___ of course work

6. ## Geometry

In trapezoid $ABCD$, $\overline{AB}$ is parallel to $\overline{CD}$, $AB = 7$ units, and $CD = 10$ units. Segment $EF$ is drawn parallel to $\overline{AB}$ with $E$ lying on $\overline{AD}$ and $F$ lying on $\overline{BC}$. If $BF:FC = 3:4$, what is $EF$?

7. ## Chemistry

Gold is alloyed with other metals to increase its hardness in making jewelry. Consider a piece of gold jewelry that weighs 9.85 g and has a colume of 0.675 cm cubed. The jewelry contains only gold and silver, which have densities of 19.3 g/cm cubed and

8. ## help me physics

The femur is a bone in the leg whose minium cross-sectional area is about 3.60 E-4 m2. A compressional force in excess of 6.90 E4 N will fracture this bone. (a) Find the maximum stress that this bone can withstand. 1 N/m2 (b) What is the strain that exists

9. ## Calculus

The table below gives selected values for the function f(x). Use a trapezoidal estimation, with 6 trapezoids to approximate the value of 2∫1 f(x) dx . x 1 1.1 1.3 1.6 1.7 1.8 2.0 f(x) 1 3 5 8 10 11 14

10. ## History Help?

What role did Stephen Austin play in the settlement of Texas by American colonists? He defeated Santa Anna's army, making it safe for colonists in the region. He convinced American colonists in Texas to declare their independence from Mexico. He received a

11. ## Trig application

I can't figure this out. A famous golfer tees off on a long, straight 459 yard par 4 and slices his drive 10 degrees to the right of the line from tee to the hole. If the drive went 288 yards, how many yards will the golfer's second shot have to be to

12. ## united staes history

what generalization can you make about the abolition of slavery in the north?

13. ## Chemistry

A compound containing 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide and water. What element should you look at first in balancing this equation? A. oxygen

14. ## Finance

Winnebagel Corp. currently sells 33,000 motor homes per year at $49,500 each, and 13,200 luxury motor coaches per year at$93,500 each. The company wants to introduce a new portable camper to fill out its product line; it hopes to sell 23,100 of these

15. ## Chemistry

What mass of H2 gas would be formed when 2.45 g Zn reacts with excess acetic acid? Zn (s) + 2 HC2H3O2 (aq) ------> H2 (g) + Zn (C2H3O2)2(aq)

16. ## arrays

Rock bands often stack their speakers in an array. One teen band has 24 speakers. They stack them at least 2 high, but no taller than 8 high. What are all the different arrays they can make.

17. ## math

The surface area covered by a rectangular playground is 100 square yards. The width of the playground is 15 yards longer than its length. Using factors, find the length and the width of the playground.

18. ## Ap Chemistry

Can anyone help me with this question How much NaCl should be added to 0.35 L of a 0.15 M solution of AgNO3 so that it reacts completely with the silver to form AgCl(s)? A. 8.8 g B. 0.0525 g C. 0.89 mg D. 3.07 g

19. ## arrays

One band has fewer than 40 speakers. They stack them in a array exactly 9 high. How many speakers could they have? Explain how you know.

20. ## Tirginometry

the expression 4ab(square root of)2b-3a(square root of)18b^3+7ab(square root of)6b is equivalent to... (a)2ab(square root of)6b (b)16ab(square root of)2b (c)-5ab+7ab(square root of)6b (d)-5ab(square root of)2b+7ab(square root of)6b Please help its due

21. ## Physical Science

An exercise spring has a spring constant of 315 N/m. How much work is required to stretch the spring 30 cm? What force is needed to stretch the spring 30 cm?

22. ## math

if a polynomial leaves a remainder of 5 when divided by x-3 and a reminder of -7 when divided by x+1, what is the reminder when the polynomial is divided by x^2-2x-3?

23. ## geometry

In triangle $ABC$, $BC = 4$, $AC = 3 \sqrt{2}$, and $\angle C = 45^\circ$. Altitudes $AD$, $BE$, and $CF$ intersect at the orthocenter $H$. Find $AH:HD$. I tried using the pythagorean theorem to find side lengths, algebraically, but I couldn't find

24. ## calculus

The circumference of a sphere was measured to be 74 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the maximum error in the calculated surface area. (Round your answer to the nearest integer.) cm2 What is the relative error? (Round

25. ## Combining Inequalities

Some treasure has been buried at a point(x,y)on the grid, where x and y are whole numbers. Here are three clues to help you to find the treasure: Clue 1:x>2 Clue 2:x+y0

26. ## Algebra 1

Write M={1,3,5,7,9,11,13,15,17,19} in set builder notation

27. ## Math

A, B, C and D are four points on a line such that AB:AC = 7:10, and BD:CD = 9:2. If CD = 9 cm, what is the length, in cm, of AB? A) 49 B) 64 C) 54.25 D)73.25 E)70

28. ## chemistry

how many grams of Na2CO3 must be dissolved into 155 g of water to create a solution with the molality of 8.20 mol/kg?

29. ## Physics

A flea can jump a vertical height h. What is the maximum horizontal distance it can jump? What is the time in the air in both cases?

30. ## chemistry

The combustion of 0.1619 g benzoic acid increases the temperature of a bomb calorimeter by 2.77°C. Calculate the heat capacity of this calorimeter. (The energy released by combustion of benzoic acid is 26.42 kJ/g.) kJ/°C A 0.1510 g sample of vanillin

31. ## Calculus

For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x -1 -1 -1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial

32. ## math

What is the value of the underline digit 6 in 4,600,028

33. ## geometry

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ? Use the distance formula to help you decide: .

I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct

35. ## Chemistry

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO?

36. ## life orientation

define risky behaviours

37. ## Psychology

Agatha maintains that people are capable of freely making voluntary choices. Constance is mainly focused on how aggression is caused by genetic inheritance. It seems reasonable to assume that Constance is not much interested in environmental factors

38. ## english

who should I choose on call of the wild

39. ## science

An electric train moving at 20kgh-1 accelerate to a speed of 30kgh-1 in 20s.find the distance travel in meters during the period of acceleration.

40. ## Science

How much would a 75 kg man weigh due to the effect of gravity?

41. ## vocabulary

The ----------- definition of gloomy is dismal or depressing.

42. ## chem

which of these are strong electrolytes, weak electrolytes and non electrolytes. H2SO4 FeCl2 HClO AgCl I put AgCl as a non H2So4 and HCl as strong FeCl2 as weak but the computer told me my answer is wrong Can some one help please?

43. ## geometry

Isosceles $\triangle{ABC}$ has a right angle at $C$. Point $P$ is inside $\triangle{ABC}$, such that $PA=11$, $PB=7$, and $PC=6$. Legs $\overline{AC}$ and $\overline{BC}$ have length $s=\sqrt{a+b\sqrt{2}}$, where $a$ and $b$ are positive integers. What is

44. ## Physics

At a city park, a person throws some bread into a duck pond. Two 4.00-kg ducks and a 9.00-kg goose paddle rapidly toward the bread, as shown in our sketch (Intro 1 figure) . If the ducks swim at 1.10 m/s, and the goose swims with a speed of 1.30 m/s, the

45. ## chemistry

What is the %v/v concentration of a solution made by adding 25 ml of acetone to 75 ml of water?

46. ## Chemistry

A sample of calcario and other components of the soil was intensely warm. Under these conditions, the calcario undergoes decomposition in calcium oxide and carbon dioxide. CaCO3 (s)-> CaO (s) + CO2 (g) The analysis of 71, 42 g of a sample of limestone

47. ## chemistry

Consider the dissolution of CaCl2. CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ΔH = -81.5 kJ A 13.0 g sample of CaCl2 is dissolved in 134 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the

48. ## Life orientation

3 corses or study fields you are interested in following after grade 12

81. ## phusics

A car can slow down at 5.10 m/s2 without skidding when coming to rest on a level road. What would its acceleration be if the road were inclined at 12o uphill?

82. ## Physics

Left over from the big-bang beginning of the universe, tiny black holes might still wander through the universe. If one with a mass of 3.5 1011 kg (and a radius of only 1.0 10-14 m) reached Earth, at what distance from your head would its gravitational

83. ## Trig/PreCalc

Find a parametrization for the line segment with endpoints (5,2) and (-2, -4).

84. ## Chemistry

100 grams of glucose is mixed with 500 grams of water. 10 grams of yeast is then added to the mixture. If the reaction goes to completion, what is the mass of ethanol in the final mixture?

85. ## chemistry

For a 0.50 molal solution of sucrose in water, calculate the freezing point and the boiling point of the solution. Please list each step.?

86. ## social studies

Which of the following best describes the difference between a keyword and subject search? Please make selection! A keyword search uses subject headings, but a subject search does not A subject search can retrieve false hits, but a keyword search does not

87. ## chemistry

A calorimeter is filled with 250.0 g of water at 24.6oC. A 60.0 g sample of a metal at 100.0 oC is dropped in this calorimeter and causes the temperature to increase a total of 4.5oC. What is the specific heat of the metal (in J/g°C)? Ignore the

88. ## chemistry

25 ml of milk were titrated with a 0.124M KOH solution of potassium hydroxide. If 4.5 ml of KOH solution were required to reach the titration endpoint, with a percentage (% w / v) lactic acid present in the milk? (MM = 90.08g / mol)

89. ## tech math

Each cylinder bore of a cylinder engine has a diameter of 2.50in. and a height of 4.90 what is the combined total surface area of all four cylinder?

90. ## chemistry

A 0.8552g sample of copper alloy is treated with 8 molar nitric acid and filtered and the precipitate is ignited giving a residue of 0.0632g of SnO2. The zinc is determined in one half of the filterate by precipitating it as ZnNH4PO4 and then igniting with

91. ## Algebra 1

A right triangle has 1 leg that is 2" longer than the other leg. the length of the hypotenuse is sqrt 130" Find lengths of legs 0=2x^+4x-126

92. ## Statistics

In a population, heights of males are normally distributed with u=180 cm and sigma^2=16 cm^2, while the heights of females are normally distributed with u=170 cm and sigma^2= 25 cm^2. a) One random male and one random female are selected from the

93. ## math

Explain whether the following statement is true or false: “The ordered pair (1,5) is the same as the order pair (5,1).”

94. ## religion

The Middle East is the spiritual homeland for all of the following world religions EXCEPT

95. ## chemistry

Calculate the volume of hydrogen gas from the C4H9O3N compound, under temperature or pressure conditions (STP).

96. ## Physics

A 5.7 g bullet leaves the muzzle of a riﬂe with a speed of 636.8 m/s. What constant force is exerted on the bullet while it is traveling down the 0.5 m length of the barrel of the riﬂe? Answer in units of N

97. ## programming

creat a logic for a program that continuously prompts the user for a numeric number of dollars until the user enters 0. pass each entered amount to a conversion method that displays breakdown of the passed amount into the fewest bills

98. ## chemistry

An ore contains Fe3O4 and no other iron. The iron in a 65.46 gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 37.9 grams. What was the percent Fe3O4 in the sample of ore? Answer in

99. ## Math - Calculus

Show that the equation x^3-15x+c=0 has at most one root in the interval [-2,2].