# Questions Asked onFebruary 4, 2014

1. ## alegebra

1. What is the factored form of 4x 2 + 12x + 5? (1 point) (2x + 4)(2x + 3) (4x + 5)(x + 1) (2x + 1)(2x + 5) (4x + 1)(x + 5) 2. What is the factored form of 2x 2 + x – 3? (1 point) (2x + 3)(x – 1) (2x + 1)(x – 3) (2x – 3)(x + 1) (2x – 1)(x + 3) 3.

2. ## algebra

1. Which number makes this equation true? v 2 + 10v + 16 = (v + 8)(v + ?) (1 point) 2 4 6 8 2. What is the factored form of x 2 + 6x + 8? (1 point) (x + 5)(x + 3) (x + 4)(x + 2) (x + 7)(x + 1) (x + 3)(x + 3) 3. What is the factored form of x 2 – 7x + 12?

3. ## Science.

Which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents, and why? Phytoplankton, because it provides a source of food salt, because it provides a source of minerals deep water, because it provides the necessary

4. ## math

A carpenter sawed a piece of wood into 3 pieces. The ratio of the pieces is 1:3:6. The longest piece is 2.5 feet longer than the shortest piece. Find the length of the original piece

5. ## math(check answers)

please check my math!! THANKS SO MUCH 1. Identify the decimal And simplified fractional form of 80%. A. 0.8 and 3/5 B. 0.8 and 4/5(I PICK THIS) C. 0.08 and 3/5 D. 0.08 and 4/5 2.A baseball team wins 45% of its games. What fraction of games does it win? A.

37. ## physics

If the field strength is E = 9 V/m a distance of 1 m from the charge, what is the field strength E a distance of 3 m from the charge?

38. ## Math

A company’s profit is described by the equation P(x) = – 5x^2 + 300x + 15,000 where x is the price in dollars that the company charges for its product. What should the company charge for the product to generate the maximum profit? a.) $20 b.)$30 c.)

39. ## ap chemistry

What is the concentration of hydrogen ions in a solution containing 0.785 M HOCN (cyanic acid) and 0.659 M (NaOCN) (sodium cyanate)? The ionization constant of cyanic acid is 3.5 × 10−4. Answer in units of M

40. ## math

What is the maximum number of cubes with a side length of 2 inches that can fit in a box that has a length of 6, a width of 2, and a height of 4? 6 cubes?

41. ## physics

have homework due soon, need help thanks. Two point charges are placed on the x axis.(Figure 1) The first charge, q1 = 8.00nC , is placed a distance 16.0m from the origin along the positive x axis; the second charge, q2 = 6.00nC , is placed a distance

42. ## ap chemistry

Calculate the ratio of [NH3]/[NH4+] that gives a solution of pH = 10.60.

43. ## physics

Two point charges, -20μC and +40μC , are separated by a distance of 17.0cm . What is the magnitude of the electric field at a point halfway between the two charges? Express your answer to two significant figures and include the appropriate units

44. ## Biology

After a strain of bacterial cells is exposed to a chemical mutagen, only 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? A. Some cells underwent advantageous mutations. B. Some cells underwent neutral

45. ## Calculus

A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by the following. y= 155-(1/40)(x-50)^2 Find the distance traveled by the kite.

46. ## ap chemistry

How many moles of sodium acetate (NaCH3COO) must be added to 1.000 liter of a 0.500M solution of acetic acid (CH3COOH) to produce a pH of 5.027? The ionization constant of acetic acid is 1.8 × 10−5. Answer in units of mol

47. ## teas test

a population decreases from 404 million to 288 million. what is the percent decrease of the population?

After a strain of bacterial cells is exposed to a chemical mutagen, only 30% of the cells produce new colonies that continue to grow. Which of the following can be concluded? A. Some cells underwent advantageous mutations. B. Some cells underwent neutral

49. ## physics

An object (with charge -4.2 µC and mass 0.024 kg) hovers at rest above the ground, its weight being held up by a uniform electric field.(a) Find the size and direction of this electric field.(b) If the electric charge on the object is quadrupled while its

50. ## Physics

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 3.75 m. If the girl’s angular displacement is 2.12 rad, how far is she from the center of the merry-go-round? Answer in units of m

51. ## ap chemistry

Calculate the pH at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (C2H5NH2) with 0.1000 M HCl solution. The volume of the solution at the equivalence point is 250.0 mL. Kb for ethylamine is 4.7 × 10−4.

52. ## Physics

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 3.75 m. If the girl’s angular displacement is 2.12 rad, how far is she from the center of the merry-go-round? Answer in units of m

53. ## accounting

Classify the following items as (a) deferred expense (prepaid expense), (b) deferred revenue (unearned revenue), (c) accrued expense (accrued liability), or (d) accrued revenue (accrued asset). 116117 • 2. A three-year premium paid on a fire insurance

54. ## MATH

Select the measure of the complement or supplement of the angle. If there is no complement or supplement, select no complement or supplement. 55.1° 124.9° 119.9° 49.9° no complement or supplement

55. ## Geometry

Jenny is 5ft 2in tall to find the height of The light pole she measured her shadow And the poles shadow what is The height of the light pole

56. ## Precalculus II

1. The number of hours of daylight D(t) in Halifax at day t can be approximated by the function D(t) = a sin(bt + c) + d, where t = 1 on January 1, and t = 365 on December 31. The period is one year, and the cycle starts on the vernal equinox, March 21,

57. ## Biology:Genetics

In guinea pig, short hair (L) is dominant to long hair (l) and the heterozygous condition for yellow coat (Y) and white coat (y) gives cream coat. A short haired guinea pig is bred to long haired white guinea pig and one of the offspring is a long haired

58. ## ap chemistr

The ionization constant of HA is 1×10−6. What must be the ratio of [A−] to [HA] for the preparation of a buffer solution with a pH of 5.74?

59. ## Chemistry

What is the normal boiling point in ∘ C ^\circ {\rm C} of a solution prepared by dissolving 1.50 g {\rm g} of aspirin (acetylsalicylic acid, C 9 H 8 O 4 {\rm C}_{9}{\rm H}_{8}{\rm O}_{4}) in 75.00 g {\rm g} of chloroform (CHCl 3 ) ({\rm CHCl}_{3})? The

114. ## English literature

Thoreau writes, "When our lives cease to be inward and private, conversation degenerates" to become

115. ## english

What literary tradition immediately preceded the novel tradition? short story romance fable

116. ## Math

How do I find a factor of x^3 - 3x^2 - 28x?

117. ## Social Studies (History)

How did the rifle, machine guns, tanks, poison gas, and planes effect on how the war is fought (World War 1)? Please do each one individually.

118. ## Anatomy & Physiology

Which joint is capable of circumduction? A. Shoulder B. Jaw C. Knee D. Elbow

119. ## Physics

The process shown on the PV diagram is A P – V graph with a vertical line with an arrow pointing up.The process shown on the PV diagram is: adiabatic. isothermal. isochoric isobaric.

120. ## Science

Intrinsic control of heartbeat rate involves what mechanism(s)? a) The AV node initiates heartbeat although the SA node can generate a slower beat rate. b) The atrioventricular bundle initiates signals that travel to the Purkinje fibers. c) The SA node

121. ## Chemistry

A solution is 3.00M NaCl. The solution density is 1.05 g/mL. Calculate the molality?

1. Career Fairs allow job-seekers to contact several prospective employers in a short time. (T/F) 2. It is illegal for businesses to screen applicants for skills and abilities in pre-employment tests. (T/F) 3. You would study business and economics trends

123. ## English

Choose the word modified by the adjective clause in the sentence below. The dog, which was brown and white, walked all the way back to Staci's house. A.) Dog B.) House C.) Staci D.) Walked I think it is A. Thank You.

124. ## Math-Algebra

Meg has a solution that is 40% alcohol and another solution that is 60% alcohol. If Meg wants 12 gal of a solution that is 45% alcohol, how much of the two solutions must be mixed?

asked by McKenna Louise
125. ## math

guess my rule with two rules. Having such as hard time understanding this and would like to be able to explain to my 2nd grader! home wor sheet has 2 circles joined togeather, rule A has 2 girls in it with glasses, in the middle there is another girl with

144. ## college chemistry

Ifwater cools to body temp.37 degrees C., how many kilocalories of heat could be transferred to sore muscles?

145. ## Anatomy and Physiology

In which step of cell division does the nucleus disappear and spindle fibers are formed? A. Metaphase B. Prophase C. Anaphase D. Telophase

146. ## Algebra 2

Can someone please explain how to do this problem? The probability that it will rain today is 65%, and the probability that it will rain tomorrow is 25%. The probability that it will rain both days is 35%. What is the probability that it will rain today or

147. ## math

laura favorite clothes are five sweater, four skirts, three jackets, two pairs of shoes and one belt. how many ways can laura wear her favorite clothes without repeating the exact outfit

148. ## Chemistry

How many moles of dichloromethane (CH2Cl​2) would be produced if we doubled the amount of chlorine, but still had the same amount of ethene (C2H4) available in the reaction?

149. ## Math

Which two dates have a quotient of 3 and a sum of 32. Dates are 1-30...

True or False? Abilities are natural, inborn aptitudes to do specific things.

151. ## physics

A large plane having uniform charge density has an electric field just outside the plane that points directly toward the plane with magnitude 1.25×104N/C . What is the surface charge density? Express your answer with the appropriate units.

152. ## English

Question's about shakespeare? 1. What kind of music speaks to him the most? 2. For him, what role should the government have in a person's life? 3. For him, is the glass half empty or half full and why? I cannot find the answers for these questions online.

226. ## Quick socials

!@#$%^&presents the kamloops area in parliament? !@#$%^&presents the kamloops area in the legislature? Identify one of the kamloops council members

227. ## math

cleon would like to estimate the difference between$579 and$85.explain how cleon ccoulduse rounding to make an estimate

228. ## Cedar Grove middle

3÷1/2 in the simplest form have to check work

229. ## english

I am not myself now. I am not me now. I am not I now. ------------------------------- Which one is grammatical?

230. ## math

THESE TINS ARE MATHEMATICALLY SIMILAR. ONE HOLDS 400ml AND THE OTHER HOLDS 800ml. THE HEIGHT OF THE SMALLER TIN IS 8cm. CALCULATE THE HEIGHT OF THE LARGER TIN. GIVE YOUR ANSWER TO TH NEAREST MILLIMETRE.

231. ## solid mechanics

the maximum stress intensity will be

232. ## math

i am a 4 digit number my first number is the double of the last number and my middle two numbers are the same what number am i

233. ## Math

I have a triangle with sides measuring x^3 + 1, x^3 - 1, and x - 1. I'm asked to find its perimeter. Is the triangle's perimeter 2x^3 + x - 1?

234. ## heat energy

What happens to coffee as the heat enery escapes from a polystyrene cup

235. ## math

W÷5/6=11/12 how to do the problem

236. ## English

Hello. Will you please help me with the use of articles in English? 1)The situation is as follows: I heard something bad about a person I know, for example my friend Anna, and I want to say it's not true, which is correct then "it's an unfair accusation of

237. ## business,maths lit tourism economics

can i be a lawyer?

238. ## Physics

The earths mass is m=5.98*10^24 kg and physics students masss is 70 kg. Knowing that the gravitational force between the student and the earth is 392 N of force, what is the distance between the student and the Earths center?

239. ## Anatomy & Physiology

A patient is admitted with burns over the legs, arms, and torso. What will be used to determine the percentage of body surface area burned? A. Number of eccrine glands affected B. Amount of hair singed from the body C. Rule of nines D. Type of burn

240. ## math

If x varies inversely withy 3, and x=6 when y=3, find x when y=2.

241. ## maths

how to write 04 feb 2014 in 5 letters without using numbers.

242. ## Math

(-4/3 )-(-3/2)= 1/6 Is 1/6 the correct answer? Minus a negative number becomes a positive then I found common dem.

243. ## math

using your van de waals shapes sort at least 5 shapes in a circle. Explain the rule for how the shapes are sorted. Are you up for a challenge? sort at least using a venn diagram. Explain the rules for how the shapes are sorted

244. ## math

where do the negatives go on the x/y axis of grid?

245. ## math

7/8 p = 14 how to do problem

246. ## Math

find the points on x^2+y^2=11 where the tangent line has slope 11/60

247. ## english

1. He is he. 2. He is him. 3. He is himself. --------------- Which one is grammatical?

248. ## math

KEENAN IS TRAINING FOR A BICYCLE RACE. HIS GOAL IS TO RIDE 150 MILES EACH WEEK. BY TUESDAY OF ONE WEEK HE HAD RIDDEN 35% OF HIS GOAL. HOW MANY MILES DID HE HAVE LEFT TO RIDE TO MEET HIS GOAL THAT WEEK?