# Lexi

Popular questions and responses by Lexi
1. ## Math

A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?

2. ## chemistry

Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing indium and cadmium: This is what I have so far: anode: In(s) --> In^3+ + 3e- cathode: Cd^2+ + 2e- --> Cd (s) Need help writing the

3. ## algebra 2

THe loudness L of a sound is measured by L=10 log10^R where R is the sound's relative intensity. One person talks with a relative intensity of 10^6 or 60 decibels. How much louder would 100 people be ,talking with the same intensity. So would I just use L=

4. ## Math (Statistics)

Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. 8. Male Color Blindness: When

5. ## English

Why don’t the narrator and the other man want to hold Edward for ransom? Is their motivation internal or external? in “I, Too, Sing America”

6. ## math

Write the recursive formula and the explicit formula for the sequence {3,6,12,24,48,...}. Show all work.

7. ## geometry

An angle bisector of a triangle divides the opposite side of the triangle into segments 6 cm and 5 cm long. A second side of the triangle is 6.9 cm long. Find the longest and shortest possible lengths of the third side of the triangle. Round answers to the

8. ## math

In a paragraph, compare and contrast constant rate of change and average rate of change.

9. ## chem

The fact that ice is less dense than water is related to the fact that ____. the molecular structure of ice is much less orderly than that of water the molecules of ice are held to each other by covalent bonding ice has a molecular structure in which water

10. ## trig/precalc

A 82-ft tree casts a shadow that is 130 ft long. What is the angle of elevation of the sun? (Round your answer to one decimal place.)

11. ## Algebra

The dosage in milligrams D of a heartworm prevention for dog who weighs x pounds is given by D(x)=136/25x. What is proper dose for dog that weighs 29 pounds?

12. ## Math

Equation practice with angle addition Given: m∠AOCm, angle, A, O, C is a straight angle. \qquad m \angle BOC = 6x + 29^\circm∠BOC=6x+29 ∘ m, angle, B, O, C, equals, 6, x, plus, 29, degrees \qquad m \angle AOB = 3x + 124^\circm∠AOB=3x+124 ∘ Find

13. ## college algebra

if 60% of a radioactive element remains radioactive after 300 million years, then what percent remains radioactive after 500 million years? what is the half-life of this element?

14. ## algebra 2

for what values of theta are the tangent 0?for what values of theta is the tangent undefined?explain.

15. ## Math

A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?

32. ## Algebra

Solve the following proportion. 2/15 = 13/x A: 390 B: 1.73 C: 2.31 D: 97.5 *** Can someone explain why its 97.5??

33. ## Science

In humans the allele for curly hair and the allele for straight hair show incomplete dominance. If two people with wavy hair have offspring, what percentage of their offspring would you expect to have wavy hair? A.) 100% B.) 75% C.) 50% D.) 25% Would it be

34. ## statistics

suppose x is a uniform random variable with c=30 and d=80 find the probability that a randomly selected observation exceeds 50 this is the direct question, i have no idea how to work this problem, please help

35. ## English

A girl tells her mother she is volunteering at an animal shelter because it makes her feel good, but the truth is that she has been offered extra credit in one of her classes to do so. Her motivation is 1.)a lie 2.)external 3.)idiomatic 4.)idiomatic

If m

37. ## geometry

Two sides of a triangle have lengths 8 and 17. Which inequalities represent the possible lengths for the third side, x? a) 9 < x < 25 b) 9 < x < 17 c) 9 < x < 8 d) 8 < x < 17

38. ## Physics

You are at a furniture store and notice that a Grandfather clock has its time regulated by a physical pendulum that consists of a rod with a movable weight on it. When the weight is moved downward, the pendulum slows down; when it is moved upward, the

39. ## College Algebra

Only 34% of the carbon-14 in a wooden bowl remains. How old is the bowl? (Carbon-14 has a half-life of 5,700 years.)

40. ## physics

A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 3.80 m to the north, 1.80 m northeast, and 1.00 m at 25.0° west of south. Starting at the same initial point, an expert golfer could make the hole in what

41. ## Math

Graph each equation by point-plotting 3x-2y=6

42. ## Chemistry 1 H

AgNO3+ BaCl2-> AgCl+ Ba(NO3)2 a. balence the equasion b. How many grams of silver chloride(AgCl) are produced from 5.0g of silver nitrate (AgNO3) reacting with an excess of barium chloride(Ba Cl2)? c. How Many grams of barium chloride (BaCl2) is necessary

43. ## Health

1 true or False. The testes and sperm are located within the scrotum which is located on the outside of the male body to regulate a temperature for sperm production. A. True B. False*** 2. A function of the female reproductive system is to provide a

44. ## health

Truth or False. Today's lifestyles, economy, and gender roles influence family structure. A. Truth. B. False.*** Which of the following is not a type of family structure? A. blended B. nuclear C. merged*** D. Foster Good communication among family members

45. ## Statistics

A sample of 12 measurements has a mean of 30 and a standard deviation of 4.75. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 30 each. A. Find the mean of the sample of 14

46. ## science

A certain constant-pressure reaction is nonspontaneous at 49 ∘C. The entropy change for the reaction is 71 J/K . What can you conclude about the magnitude of ΔH? answers :ΔH>23kJ ΔH>220kJ ΔH71J/K ΔH

47. ## biology

write a hypothesis for the relationship between plant stem height & cross section

48. ## Chemistry

explain how to use the activity series to predict chemical behavior

49. ## Math

Karin spent Ksh (shillings). 380 to buy 10 books and 3 pencils. Her sister Margaret used Ksh 195 to buy 5 books and two pencils. a. What is the cost of one book and one pencil ? b. If their sister, Jane, needs to buy six books and two pencils, how much

50. ## math

What is the average rate of change of the function g(x) = 3(2x) - 6 over the interval 0

51. ## Social Studies

Which event spread Islam to India? A. conquest by Turkic forces B. the rise of the Mughal empire C. the fall of the Gupta empire D. the conversion of Akbar to Islam

52. ## Social Studies

Which event spread Islam to India?

53. ## Chemistry

[oh-]=3.0*10^-2M Is it a base neutral or acidic

54. ## Chemistry

Classify as acidic base or neutral [H+]= 6.0*10^-10M

55. ## Math

The volume of the solid obtained by rotating the region bounded by y=e^x, y=Inx, x=1, and x=2 about the line y-axis can be computed using the method of cylindrical shells. Using the method of cylindrical shells find the volume.

56. ## Government

How is the number of Electoral College seats per state determined? -by the number of delegates assigned to the state -by the total number of House and Senate representatives -by the traditional number signed under the 12th amendment -by giving each state

57. ## Algebra

1) Simplify: (Y^4) (y^3) A:y^1 B:y^7 (my answer) C:y^12 D:y^43 2)Simplify: Y^6 / y^2 A: y^8 B: y^4 C: y^3 ( my answer) D: y^1 3: Convert into a fraction 5-^3 A: 1/5 B:1/15 (my answer) C:1/25 D:1/125 4: 15^0=? A:0 (my answer) B:1 C:15 D:1/15 5: Select all

58. ## geograhy

What were some the economic effects the stamp act had on colonists?

59. ## Precal

How would you work this out? This is verifying trigonometric equations. cot^3x+ cotx= cosx(csc^3x)

60. ## Trig

If tan A= 3/4 and cos B=-5/13, where A and B are both third-quadrant angles, find sin(A+B). Please explain how you found all the answers

61. ## Science

A charge q1=7.00 x 10^-6 is placed 0.300m from a second charge q2=-5x10^-6 C. Find the magnitude the force between the two charges.

62. ## Social Studies

Each of the following took place during the Russian revolution EXCEPT A.A new government forced the tsars to give up their power. B.Russia made peace with Germany. C.a democratic president was given power. D.the Russian Empire was renamed the Soviet union.

64. ## Physics

Mars has a mass of about 6.09x10^23 kg and it's moon Phobos has a mass of about 9.4 x10^15N how far apart are mars and Phobos? The value of the grav constant is 6.673 x10^-11 answer in units of N

65. ## Physics

A 10N block is attached to the wall by a rope on a frictionless surface. If the lower surface makes an angle of 30 degrees with the horizontal, calculate the (a) normal force (b) tension on the rope.

66. ## Math

A commercial airplane has a takeoff speed of about 300 km/h. What si the takeoff speed in mi/h?

67. ## algebra

find (FxG)(X) and (GxF)(X) when f(x)=5x^2-1 and g(x)=2/x

68. ## college physics

Which of the following statements about special relativity is false? a).The proper length of an object is always larger than the length of the object in a frame where it is moving. b).The proper length of an object depends on the relative speed between the

A radio station's signal has a radius of 100 miles. If you drive at a constant speed of 40 miles an hour, nonstop, directly across the diameter of the signal, how long can you listen to the station before the signal fades?

70. ## 5th grade math-ms sue

ms. sue*****ann and celia have 5 pens, 18 pencils, anf 22 erasers. If they share them equally, how many pencils will each one have?

71. ## calculus

please help with this problem- i've been working for the last 2 hours and can't seem to find a solution the integral of ln(x^2-x+2)

72. ## chemistry

three questions please: (1) What kinds of evidence can you use to determine if a chemical reaction has occurred? (2) How do the properties of the cooked egg differ from the properties of a raw egg? (3) how are the endothermic and exothermic reactions the

73. ## Maths

In a quadrilateral ABCD, angle A = 120 degrees angle B = 140 degrees The bisectors of the angles C and D meet at the point Y. Find the size of the angle DYC

74. ## Health

Abstinence and using condoms consistently and correctly are both ways to reduce the risk of HIV. (True) (False)*** You can tell whether someone is HIV-positive by looking at them. True*** false What is the name of the treatment an HIV-positive person can

75. ## mathematics

Express each fraction in the first three terms of this pattern as a repeating decimal. 1/11, 2/11, 3/11...

76. ## Health & phsyical

Hi I'm Lexi and I was wondering if you can correct me. Someone can only become infected by HIV or an STI by A. drinking from the same water glass as an infected individual. B. using the same restroom as an infected individual. C. kissing an infected

77. ## English

Which form of poetry best describes this poem. A. limerick B. lyric poem C. haiku D. free verse The poem is called The Tide Rises, the Tide Falls by Henry Wadsworth Longfellow. 1 The tide rises, the tide falls 2 The twilight darkens, the curlew calls; 3

78. ## social studies

where did Rome's richest people live? A: Capitoline Hill or B: Palatine Hill?

79. ## Social studies

What contributed to the increase in power of the French monarchy during the 1100’s

80. ## English

1. Which of the following will you most likely find in an historical novel such as Johnny tremain? A.a setting in a pre-Revolutionary town such as Boston

81. ## biology

In terms of probability, what does each box in a Punnett square represent? all actual outcomes one actual outcome all possible outcomes one possible outcome

82. ## biology

How many of the offspring are homozygous recessive? 2 1 0 3

83. ## biology

Nondisjunction can result in __________. the number of cells produced being more than four cells in which crossing-over did not occur mitosis occurring instead of meiosis cells with abnormal numbers of chromosomes

84. ## chem

A solution of 118 mL of 0.160 M KOH is mixed with a solution of 240 mL of 0.230 M NiSO4. How many grams of this precipitate (Ni(OH)2) form? I have the balanced equation as 2KOH (aq)+ NiSO4 (aq) ----> K2SO4 (aq) + Ni(OH)2 I don't need the answer but I would

85. ## chem

The metabolic oxidation of glucose, C6H12O6, in our bodies produces CO2, which is expelled from our lungs as a gas: C6H12O6(aq)+6O2(g)→6CO2(g)+6H2O(l) Calculate the volume of dry CO2 produced at body temperature (37 ∘C) and 0.990 atm when 24.0 g of

86. ## Calculus

Write the first five terms of the sequence defined by the recursive formula an=2(an-1)+3 with a1=-2

87. ## Calculus

Write the first five terms of the sequence defined by the explicit formula an=150(1/5)^n-1

88. ## Social Studies

How would Samuel A. Worcester most likely view the end result of the legal battle between Georgia and the Cherokee people? ~He would be happy because he wanted the Cherokee to be moved to the west. ~He would be surprised because he expected the Supreme

89. ## math

explain how to add rational expressions

90. ## math

10.find all the zeroes of the polynomial function f(x)=x3-5x2+6x-30.if you use synthetic division show all three lines of numbers

91. ## Social Studies

PLEASE HELP I NEED A RIGHT ANSWER I HAVE A D IN THIS CLASS Which of the following factors has helped improve Bangladesh’s economy in recent years? A. new tariffs B. microlending C. shifting to a command economy D. increasing focus on agriculture I

92. ## math

f(x) = x^3 and g(x) = 3x-7 If the inverses of two functions are both functions, will the inverse of the composite function made by the original functions also be a function?

93. ## english

im pretty much done defining the terms but can yall help me find good examples for each term? Allegory Allusion Analogy Anaphora Anecdote Aphorism Apostrophe Euphemism Hyperbole Metaphor Metonymy Paradox Rhetorical question Synecdoche Understatement

94. ## english

do not need answers,just some pointers for the reflection response on the speech. How does the exact date (not just general time period) impact an understanding of the speaker’s goal? How might it be different if the speech was given a few years before

95. ## algebra 2

a sound wave is modeled with the equation y=1/4 cos 2pi/3 theta. a.find the period.explain b.find the amplitude.explain

96. ## Chemistry

An apple pie needs 10 large apples, 2 crusts (top and bottom), and 1 tablespoon of cinnamon. write a balanced equation that fits this situation. How many apples are needed to make 25 pies?

97. ## algebra 2

solve and check for estaneous solutions 4 ^3sqrt(3x-3)^2+2=38

98. ## algebra 1

multiply and simplify if possible. sqrt(5x) (sqrt(x)-5 sqrt(5)

99. ## algebra 2

rewrite 32^3/5 as a radical expression and then simplify.