# Questions Asked onSeptember 18, 2014

what happened to the snowman during the heat wave

2. ## chemistry

A 15.27 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 18.33 g. Add subscripts below to correctly identify the empirical formula of the new oxide.

3. ## Math: Pattern

Use the rule to write the first 12 terms in the pattern. Rule: Add 10,Subtract 5 First term: 11 (IM HAVING TROUBLE THIS IS ONE OF MY WEAKNESSES)

Find two numbers the exact answer is between 3x567

5. ## chemistry

A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this

6. ## Math algebra

what do you call an alligator that sneaks up and bites you from behind

7. ## math

stamjps are sold in bookiets of 100,50, and 10.find as many different ways to buy 200 stamps as you can. record your work in the chart. could you give me some examples...please!

8. ## science/math

a skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. what is the skateboarders acceleration? is 2.3m/s correct

9. ## Language Arts

In "The Finish of Patsy Barnes" when Patsy saw Black Boy, his "heart was beating very wildly beneath his jacket" because he? A. Had never ridden in a race before B. Was thinking about his mother's illness. C. Feared his mother's reaction to his riding in

10. ## Algebra

Stella is recording temperatures every day for 5 days. On the first day, Stella recorded a temperature of 0 degrees Farenheit. A. On the second day, the temperature was 3 degrees Fahrenheit above the temperature on the first day. What was the temperature

11. ## redan. english

I am thinking of a word that is in the ip family and means a baby bird

12. ## Math (Exponents)

A. Complete expanded form of 4.728 in exponential notation?

13. ## statistics

the weights of newborn babies are distributed normally, with the mean of approximately 115 oz and a standard deviation of 20 oz. if a newborn baby is selected at random. what is the probability that the baby weighs more than 95 oz?

14. ## math calculus 3

find a formula for a function g( x,y,z) whose level surfaces are planes parallel to z=3x-2y+7

15. ## Spanish

Would it be possible to have Sra double check my answers? She was such a huge help last semester. Part I ¿Subjuntivo o indicativo? Completa cada oración con la forma correcta del verbo indicado. ¡OJO! No todas requieren el subjuntivo. 1. Esperamos que

16. ## Science

what are the component parts of modern fireworks? what does each part do?

17. ## PHYYYYYSICS 2

A golfer hits a golf ball, giving it an initial speed of 39.7 m/s at an angle of 55° above the horizontal. What is the maximum height in meters that the golf ball will achieve?

18. ## algebra

The formula F=9/5C+32 changes a temperature reading from the Celcius scale C to the Fahrenheit scale F. What is the temperature measured in degrees Fahrenheit when the Celsius temperature is -5°?

19. ## Spanish

2.¿Quién le recomendó ese plato? (su tío) I have to answer this using the double object pronouns. these are the anwers I tried so far: Mi tío me lo recomendó. Su tío se lo recomendó. it is saying that the se lo recomendo is correct. I am missing

20. ## PHYYYYYSICS 3

A golfer hits a golf ball, giving it an initial speed of 31.7 m/s at an angle of 55° above the horizontal. How far in meters will the golf ball travel horizontally before hitting the ground?

21. ## statistic

Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment. Assume that these concerns are normally distributed using the 50%- 34% - 14% figures. Appoxatmaily what

James has 12 seashells mounted in a row. The 6 shells in the center of the row are nautilus shells. Is there the same number of shells on either side of the nautilus shells?

23. ## science 1 question

Why do scientists use standard units of measurement? because their tools only measure in these units because other units are either too small or too large to work with so they can communicate findings without confusion*** so that people who are not

24. ## general chemistry I

Calculate the percentage error arising in an experiment if 1-mL, 5-mL, and 10-mL pipets are used for transfer and each pipet contains 5 drops of water adhering to the inside of the barrel. A single drop of water has an approximate volume of 0.05 mL.

25. ## physics

A boy 14.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball upward at 50.0∘ above the horizontal, at 8.00m/s .

26. ## Geometry

I need to know how to work this problem: A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface? 78 ft 78 ft2 198 ft 198 ft2

27. ## chemistry

using your initial mass of copper, calculate the minimum volume of concentrated 12M nitric acid needed to completely react with your copper to form copper(II) nitrate? Original mass of copper was 0.40g.

28. ## Physics

A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +7.2 m/s and ax = +4.3 m/s2. The y components of the puck's initial velocity and

29. ## science

a student brings in a piece of moldy bread. which microscope would you use to view the mold? why?

30. ## chemistry

Silicon for computer chips is grown in large cylinders called “boules” that are 300 mm in diameter and 2 m in length,as shown.(Figure 1) The density of silicon is 2.33 g/cm3. Silicon wafers for making integrated circuits are sliced from a 2.0 m boule

31. ## english

These questions are from The cask of Amontillado by Edgar Allan Poe 1. Is there really a cask of amontillado? how do you know? 2. Montresor seems to try to discourage Fortunato from coming along with him to the catacombs. Why does Montresor urge Fortunato

32. ## Biology

A patient has type AB blood. If they received a transfusion of type B blood, predict and explain what would happen

33. ## Physics 12

A sports car is travelling along a highway at a constant velocity of 36 m/s [N] exceeding the speed limit. It passes an unmarked police car parked on the shoulder of the highway. The police car accelerates from rest, 3.0 s after the sports car passed it,

34. ## physics

A jogger jogs around a circular track with a diameter of 325 m in 10. minutes. What was the jogger's average speed in m/s?

35. ## Physics

1. A cannon mounted on the back of a ship fires a 50.0 kg cannonball in the horizontal direction at a speed of 150 m/s. If the cannon and ship to which it is firmly attached have a mass of 4.00 x 103 kg and are initially at rest, what is the speed of the

36. ## Physical Science

A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. How much work does this heat pump ideally accomplish? The answer should be in KJ

37. ## science/math

after traveling for 6.0 seconds, a runner reaches a speed of 10m/s. what is the runners acceleration? my answer is 60m/s , is that correct?

38. ## BIOLOGY

What are the possible gametes produced by the individual SsYy?

39. ## Geometry

What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point) 21 units 25 units 34 units 36 units

40. ## science/math

as she climbs a hill, a cyclist slows down from 25mi/hr to 6mi/hr in 10 seconds. what is her deceleration? my answer is -1.9 is this correct or should it be a positive 1.9...am confused

41. ## algebra

A can of soda at 79°F is placed in a refrigerator that maintains a constant temperature of 36°F. The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t) = 36 + 43e−0.058t. (a) Find the temperature, to the nearest

42. ## statistics

the wieights of newborn babies are distributed normally, with the mean of approximately 115 oz and a standard deviation of 20 oz. if a newborn baby is selected at random. what is the probability that the baby weighs more than 95 oz?

43. ## Physics

1.) What is the acceleration of a car that increases its velocity from 0 to +14m/s in 10s? 2.) What is the acceleration of a car that maintains a constant velocity of - 14m/s for 10s? 3.) Seagulls are often observed dropping clams and other shellfish from

44. ## Chemistry

How could you prove that sodium hydroxide is a base without using litmus papes to test? Give an equation for the reaction

45. ## math

Each interior angle of a regular polygon is 140 degree. the number of sides of the polygon is?

which of the examples is not a resource land firms labor machinery or human capital

47. ## chemistry

Silicon for computer chips is grown in large cylinders called “boules” that are 300 mm in diameter and 2 m in length,as shown.(Figure 1) The density of silicon is 2.33 g/cm3. Silicon wafers for making integrated circuits are sliced from a 2.0 m boule

48. ## math

Which of the following situations describe quantities that combine to make 0? During the top of the fourth inning of a baseball game, the Ravens scored three runs. During the bottom of the fourth inning, the Raiders scored five runs to tie the game. Jacoby

49. ## Math

Julia saw 5 times as many cars as trucks in a parking lot. If she saw 30 cars and trucks altogether in the parking lot, how many were trucks?

50. ## jokens

A sphere with a charge of 1.5 x 10-6 C experiences a force of 3.5 x 102 N when it is located at a certain point in an electric field. Determine the magnitude of the electric field intensity at this location. (remember E = Fon q' / q', and 1 µC = 1.00 x

51. ## M.A.T.H

USE THE RULE TO WRITE THE FIRST 12 TERMS IS THE PATTERN. Rule: Add 10,subtract 5 First term: 11 WEAKNESS HERE

52. ## PHYYYYYSICS 4

A plane points its nose due north and flies at a speed of 71 m/s relative to the air. The plane enters a strong wind that blows at a speed of 23 m/s due west relative to the ground. What is the angle of the plane's trajectory according to an observer

53. ## WORLD HISTORY HELP

Three differences between the Paleolithic and Neolithic Age? Explain at least three technological advancements made by mesopotamians? How was structure created in the Paleolithic Age, the Neolithic Age and Mesopotamia?

54. ## math

There were 665 hot air balloon pilots at a hot air race . There were 1,550 more ground crew members than there were pilots. How many ground crew members than there were pilots. How many ground crew members were there?

55. ## Math

p+1221 B. p>3 C. p>-21 D. p>-3 Is the answer D?

56. ## math

The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?

57. ## Physics

A steel ball is dropped onto a hard floor from a height of 1.95 m and rebounds to a height of 1.87 m (assume positive direction is upward) A. Caculate it's velocity just before it strikes the floor B. calculate it's velocity just after it leaves the floor

58. ## math

If P0 > c (which implies that −1 < a < 0), then the logistics function P(t) = c 1 + ae−bt decreases as t increases. Biologists often use this type of logistic function to model populations that decrease over time. See the following figure. Apply this

59. ## physic

Pressing the brake of a car causes it to slow down from 29 m/s at a rate of -2.0 m/s2 for a period of 4 s. How far did the car travel during these 4 s?

60. ## physics

A catapult used to hold a stone of mass 500g is extended by 20cm with an applied force.If the stone leaves with a velocity of 4om/s,what is the value of force?

61. ## trig

A bird at the top of a tree looks down on a field mouse at an angle of depression of 65°. If the field mouse is 30 meters from the base of the tree, find the vertical distance from the ground to the bird’s eyes. Round the answer to the nearest tenth.

62. ## English

What is the relationship between literature and place

63. ## algebra

When reading some schematics of a rectangular garden you see the binomial x +8 feet represents the length and the binomial x - 1 represents the width. Write an expression that represents the total area of the garden in the form x2 (squared) + bx + c by

64. ## Finanal

using the maximum ratios for a conventional mortgage, how big a monthly payment could the Burton family afford if their gross (before-tax) monthly income amounted to \$3500? Would it make any difference if they were already making monthly installment loan

65. ## biology

A true breeding brown mouse is mated with a true-breeding white mouse and all their offspring are brown. If two of these brown offspring are mated, what percentage of the F1 and F2 generations will be brown?

66. ## Algebra 1

What is an expression for the sale price of a shirt that is sold at 40% off the original price p? A. t=80-m B. t=m-80 C. t=80+m D. t=80m

67. ## science/math

a cyclist accelerates at a rate of 7.0m/s^2. how long will it take the cyclist to reach a speed of 18m/s? my answer is 2.5seconds. is this correct?

68. ## Biology

A patient has type AB blood. If they received a transfusion of type B blood, predict and explain what would happen

69. ## curriculum

Which of the following is the best definition of phonological awareness? A. Sensitivity to units of sound used in the English language B. Awareness that the speech stream consists of a sequence of sounds or phonemes C. Awareness of the smallest unit of

70. ## maths

A man s;pends 3/8of his money and still has Rs 720 left with him. How much money did he have at first?

71. ## social studies

What is on negative effect of the the huge oil reserve in Nigeria?. deforestation desertification air and water supply unemployment

72. ## writing

Bing (common search engine) iSEEK Education (academic search engine) MetaLib metasearch engine) ( What types of information did each search provide? Discuss what features you like and dislike about each of the search engines.

73. ## PHYYYYYSICS 6

Three marksmen stand at the top of a building. Two of them fire identical bullets out of identical rifles. The bullets leave the rifles with the same initial speed. The last marksman forgot his rifle, so he drops his bullet off the edge of the building

74. ## Science

Which statement best represents how structure relates to function? A- a horse's mane is often black B- many tropical birds can be taught to speak C- butterfly cocoons are often camouflaged D- some insects live longer than others

75. ## math:ratios

Lamika buysc12 packs of juice boxes that are on sale and pays a total of \$48 by using ratio table to determine how much will Lamika pay to but a 8 more packs of juice boxes at the same store.

76. ## chemistry

How many grams of ammonia is formed when 8 g of nitrogen is reacted with 10 g of hydrogen

77. ## Geometry

I have worked this problem several times and get the same answer but it is not the right one, please help... You are tiling a kitchen floor that is 10 ft wide by 4 yd long. How many square yards of tile do you need? 13.32 yd²-- this is my answer 13 yd²

78. ## physics

A state trooper’s car sends out a radar signal at a frequency of 13.3 GHz. Find the wavelength of this signal. The wave speed is 2.998 × 108 m/s. Answer in units of m

79. ## Physics

A stone is thrown vertically upward at a speed of 27.00 m/s at time t=0. A second stone is thrown upward with the same speed 2.060 seconds later. At what time are the two stones at the same height?

80. ## PHYYYYYSICS 8

A baseball is thrown horizontally off a 40-m high cliff with a speed of 16.3 m/s. How much time in seconds will it take for the baseball to hit the ground?

81. ## physics

a 60kg woman is a passenger in a car that is involved in a crash. she is wearing a seat belt that stops her in 0.1s. if the car gad been travelling at 12m/s before the crash calculate the deceleration and the force on her breastbone due to the seat belt?

82. ## Chem---DrBob222

Calculate the oxidation # for each atom in the molecule below. Can you help me with the rest. Thank you!!! H H H H / / / / H -- C ---C ===C ----N .. / / H H Group # # of E Oxidation # H 1 0 1 x 7 = 7 C 4 7 C 4 C 4 N 5 3 H atom attached to first C atom. 1 H

83. ## math

Compute the rate for the following loan. Round answers to the nearest tenth of a percent; use ordinary interest when time is stated in days. Do not enter the percent symbol in your answer. Principal Rate (%) Time Interest \$5,000 % 3 years \$1,200

84. ## physics

The distance each floor of the office building is 3.0 m. Which table shows the total distance traveled and displacement of the elevator?

85. ## Math

Translate the following statement into an inequality: Five less than a number is at least nine. A. x-5>9 this arrow has a line under it** B. x-9>5 C. x-5>9 D. x-5

86. ## Math

A Registered Education Savings Plan (RESP) earns interest at a rate of 5% per year, compounded annually. Jasmine’s parents invest \$4000 in the account today. a) Determine an explicit formula to represent the value of the investment. (2 marks) b) Use your

87. ## physical science

The present record for the 100 meter dash is 9.58 seconds. back in 1988, Johnson ran the 100 meter dash in the world record time of 9.79 seconds. He was later to lose both his record and his gold medal to runner up Lewis because of steroid use. Calculate

88. ## Curriculum

Which of the following is a correct statement about scheduling outside time? A. The best time for teachers to schedule outside time is immediately after morning snack or breakfast. B. There's no best time for outside time; it depends on the needs of the

89. ## Math

The first prize in a lottery is \$250 000. Each winner chosen after the first is paid 20% as much as the winner before them. b) Determine an explicit formula for the general term. (2 marks) c) Determine a formula for the sum of n terms of the geometric

90. ## science/math

a car starting from rest accelerates at a rate of 8.0 m/s. what is its final speed at the end of 4.0 seconds?I got 32m/s, is this correct

91. ## Geography

Which of the following statements about Vietnam is true?

92. ## algebra

factorise 3px-3py-x+y

93. ## PHYYYYYSICS 10

A baseball is thrown horizontally off a 41-m high cliff with a speed of 18 m/s. What will be the angle in degrees between the horizontal direction and the velocity vector of the baseball just before it hits the ground? Assume that the answer will be

94. ## physics

A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 403 N at an angle of 12.9° with the centerline of the canal. Find

95. ## Stuyvesant HS

when 21.6g of benzene and an excess of HNO3 are used, what is the theoretical yield of nitrobenzene? Is 30g of nitrobenzene is recovered, what is the percent recovery?

96. ## science, chemistry

Calculate the number of moles inside a soap bubble 1cm in diameter and 1atm pressure at a temperature of 25 degree celcious.

97. ## PHYSICS

In Case A the mass of each block is 4.0 kg. In Case B the mass of block 1 (the block behind) is 8.0 kg, and the mass of block 2 is 4.0 kg. No frictional force acts on block 1 in either Case A or Case B. However, a kinetic frictional force of 7.8 N does act

98. ## Algebra2

A football is thrown by a quarterback, the footballs height in feet will be 7.5 ft in the air because that's about the right height that your favorite football player would catch the ball. Also you want to know if the most despised cornerback in the league

99. ## physics

A circular disc of radius 'r' carries uniform charge distribution of surface charge density 'A'. If the disc lies on the z = 0 plane, with its axis along the z axis, find the electric field at a point P, along the z axis that passes through the center of

100. ## Physics

the acceleration due to gravity on the moon is 1/6 that on earth. For a projectile with an initial velocity of 15m/s upward what would be the maximum height and total time of flight on the moon and on the earth?

101. ## Math

Find the value of term 1 given sum 8= - 3280a and the common ratio = - 3?

102. ## Chemistry

What is the molarity of HCL if it takes 16.5 mL of 0.100 M NaOH to titrate 10.0 mL of HCl? HCl + NaOH -> H2O + NaCl molarity = moles of solute/liters of solution

103. ## physics

The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What isthe wavelengthofradio waves emit- ted at 97.9 MHz? Answer in units of m

104. ## PHYYYYYSICS 9

A baseball is thrown horizontally off a 43-m high cliff with a speed of 18.3 m/s. What will be the speed of the baseball in m/s just before it hits the ground?

Find the zeros of the function algebraically. f(x) = 36x^4 − 25x^2 x = (smallest value) x = x = (largest value)

106. ## curriculum

Children with well-developed social skills are not often viewed as A. friendly. B. cooperative. C. gullible. D. responsible. my answer is c.

107. ## math

what is 1 fourth times 8

108. ## Physics

The swim portion of a triathlon takes place in a river and is an out-and-back course. The river has a steady current that is 0.400 m/s and the athletes swim against the current for 750m before returning and swimming with the current for the second 750m. If

109. ## Physics

A ball leaves a kicker's foot with a velocity of 23.0 m/s and at an angle of 40 degrees up from the ground, how far did the ball travel before being caught by another player?

110. ## physics

A stone is dropped from a height of 10 m on an unknown planet having g = 20 m/s2. Calculate the speed of the stone when it hits the surface of the planet. Also calculate the time it takes to fall through this height

111. ## science

most marine life is found in shallow waters of the?

112. ## History

Whom did Governor Leon Philips call in 1938 in order to stop the implementation of dam construction in Oklahoma? the national guard

113. ## algebra 2

In a flower garden, 1/4 of the bulbs are daffodils, 3/8 are tulips and the remaining 21 bulbs are pillows. How many bulbs are there in all?

114. ## English

What is the main idea of from the Interesting Life of Olaudah Equiano

115. ## science

a student brings in a piece of moldy bread. which microscope would you use to view the mold? why?

116. ## Math

A designer is designing a cylindrical punching bag. He wants to use a maximum of 1.3m^2 of material. He has determined that the diameter of bag should be 36cm. Determine the maximum possible height of the bag to nearest tenth if a centimeter. Please help

I think I got forgotten... What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point) 21 units 25 units - ?? 34 units 36 units

118. ## Trigonometry

If P0 > c (which implies that −1 < a < 0), then the logistics function P(t) = c 1 + ae−bt decreases as t increases. Biologists often use this type of logistic function to model populations that decrease over time. See the following figure. Apply this

119. ## Math

A survey found that 12 out of 15 people prefer hamburgers over pizza. If 65 people are surveyed the next week, how many people will choose hamburgers? How do I work this problem?

120. ## chemistery lab..urgent

hi..can someone hwlp me out here on how we can calculate the moles of H2T(phthalic acid)?? its urgent for my lab this evening 1:00pm friday

121. ## PHYYYYYSICS

A catapult launches a stone at an angle of 20° above the horizontal at a speed of 26.8 m/s. Assuming the stone begins its trajectory at the origin, determine the distance in meters from the origin that the stone achieves after 1.05 s. Note: The stone will

122. ## Physics

A Car moving North at 9 m/s strikes a stationary car of equal mass. The first car moves off after the collision at an angle of 30 degrees West of North, with a speed of 6 m/s. What is the speed of the second car after the collision? My resources have poor

123. ## science

what are found at leading and trailing continental edges.

124. ## Pre-Calculus

1.) Which equation represents a function? A. y=-2x+1 B. x=y^2-1 C. y^2=1/3x D. None Of These E. x=4 2.) The zeros of a function f are the x-values for which f(x) = 0. True or False?

125. ## Physical Science

at a speed of 30 mi/hr, the car crashes head on into a brick wall. despite the fact that the car crunched to a total stop, one of NEWTON'S laws predicts that you will continue to fly forward at 30 mi/hr until you collide with the windshield or dash. WHICH

126. ## chemistry

state the chemical formula of phthalic acid and calculate the molar mass using the formula.

127. ## math

if aluminum cans are 65 cents per pound and I have 50 pounds what does this equal

128. ## Geography / English

So I have to write an essay how do i rate canada when compared to the rest of the world. On the sheet it shows you a set up on how to write it Introductory Sentence/ Thesis -In my opinion, canada is favourable compared to the rest of the world. Supporting

129. ## Science

What Type of Simple Chemical Reaction Occurs in Fireworks?

130. ## French

What does this sentence mean? Dans quel pays es-tu?

131. ## Physics

A tennis player stands 15.0m from the net. They hit a ball from a height of 2.50m above the ground so that initially it has a horizontal velocity directed parallel to the ground toward the net. What speed does the ball have to have to just clear the net

132. ## math

The ratio of two numbers is 3:4 and their HCF is 6. Their LCM IS?

133. ## physics

A baseball is thrown vertically upward with a speed of 17.8 m/s from a height of 1.11 m. How high does the ball rise from its original position?

134. ## Chemistry

Since a hydrogen atom consists of one proton and one electron, it should have a mass of 1.763 x 10^-24 grams. Using unit factoring, calculate how may hydrogen atoms you'd have if you had 5.6 g of hydrogen. Thank you!

135. ## science

Wow, you make me stay here for nearly an hour to wait for you to answer a question. Thanks. By the way, don't say how you didn't know the answer, you could have informed me of that 50min earlier.

136. ## Biology

How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!

137. ## Math

For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1/4, -1/2

138. ## statistics

The time a student spends in the shower on any school day is an exponential random variable with a mean of 298 seconds. a)What is the probability that the student spends more than 310 seconds in the shower on one day? b) What is the probability that the

139. ## Math

The perimeter of a rectangle is 122 feet and the length is 10 times longer than twice the width. Find the dimension.

140. ## math

Linda did 24 problems out of 25 correctly.In the next test she did twice as many examples correctly but received a mark only half as good.How many problems were there in the second test?

141. ## Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x

142. ## HISTORY

At the beginning of World War II, Roosevelt dealt with France

143. ## English

1. We all hurry into the room and find a desk. 2. We all hurry in the room and find a desk. (Are both OK? Can we use 'in' instead of 'into'?)

144. ## Physics

A basketball player shot a ball. It left his hand at a height of 2.05 m above the court at an angle of 40 degrees relative to horizontal, what initial speed did the ball have if it hit "nothing but net" at the basket 4.50 m away? Assume the rim is 3.05 m

145. ## english

Is these sentences are correct. Debbie felt nervous and out-of-place at the party so she sat by herself at the end of the sofa. She didn’t want people to feel sorry for her so she kept a strained smile on her face.

146. ## math

I am thinking of a number. 55 but no more than 45 it is an odd number. The sum of the digits is 12. What is the number?

147. ## Algebra

Let g(x) be the indicated combined transformation of f(x) = x. Write the rule for g(x). Horizontal stretch by a factor of 5 followed by a horizontal shift 2 units.

148. ## stats

The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Considering the Total Credit Hours data from our

149. ## MATH WORD PROBLEM

Lisa needed to borrow money from Kim. Kim said to he would have to pay him back one and half times the original sum plus \$20. Kim paid a total of \$200. What was the original amount Lisa Borrowed?

150. ## Music

which skill helps a musician sing or play exercises or musical passages accurately without repeated practice

151. ## Physics

A small plane moving at 207km/hr flying 50.0m above the ground chases a convertible moving at 105km/hr down a straight highway. The plane has a package to drop in the car’s back seat. Assuming the vehicles maintain their speed and altitude and there is

152. ## Math

Which number is larger .545 or .54 repeating?

153. ## math

John as building a new fence and wants it to stand 81/2 feet above ground level to make sure its secure he must place it 23/4 feet into the ground.how long of a post should john buy?

154. ## CHEMISTRY

Hi! I know I asked this before, but I still don't understand how to solve the problem:"Since a hydrogen atom consists of one proton and one electron, it should have a mass of 1.763 x 10^-24 grams. Using unit factoring, calculate how may hydrogen atoms

155. ## Math

1. Benny is setting up fish tanks at the pet store. He has 8 angel fish, 12 tiger barbs , and 24 guppies. If he wants to have the same number of each kind of fish in every tank, what is the greatest number of tanks he can set up?

156. ## Physics

Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê. Ā= −4ˆi + 3ˆj Ē= 12ˆi + 5ˆj

157. ## english

Is these sentences are correct. Even though we have discovered thousands of dinosaur fossils, we still don’t know much about these creatures. While they dominated the earth longer than humans have, they suddenly died out for unexplained reasons.

158. ## physics

A glider of length 12.7 cm moves on an air track with constant acceleration. A time interval of 0.563 s elapses between the moment when its front end passes a fixed point circled A along the track and the moment when its back end passes this point. Next, a

159. ## math

I am a whole number. when you add 3 to me you get a 2-digit number. The 2-digit number is the same as 3 four times. What number am I?

160. ## social studies

what conclusion can you discern from the above charts?

161. ## Algebra 2

Given a point (-2,5), determine a point that satisfies the specified symmetry. 1.)Origin 2.)y-axis 3.)x-axis 4.)y=x

162. ## physics

If a 2kg car with a momentum of 12kg m/s collides with a stationary 4kg car, the total momentum after the collision will be?

163. ## math

need help with this problem of reasoning quantitively. simplify (-2)to the 3rd power -2 to the 5th power

164. ## math

Distribution of Employees in National Insurance Company by age groups:(for questions 76-78) Age Group Per cent 46 and over 25 40-45 34.5 35-39 25.62 30-34 12.9 Under 30 1.9 76. Thirty thousand employees of this company are 46 years or over.How many

165. ## physical science

Superfly, mass of only 1 gram, but capable of flying at the incredible speed of 840 million km/hr, meets a locomotive with a mass of 20,000 kg, traveling at 40km/hr. Who has the greater momentum?

166. ## Math

How do you reflect -0.25x + 5 across the x-axis?

167. ## hca311

In general, what is the main difference in opinion of the House and the Senate? Whose viewpoint do you agree with? How do these viewpoints impact financial challenges facing health care leaders?

168. ## physic

The distance between London and Madrid is 1273 km. If an airplane travels at an average velocity of 502.4 km/h, how long will the trip take?

169. ## Math

p+1221 B. p>3 C. p>-21 D. p>-3 Is the answer D?

170. ## Math Precal/Trig

Solve for n. 7((1-(-3)^n)/(1-(-3))=3829 I was confused on distributing the number 7, because we've always had problems with the number 1 on the outside.

171. ## Algebra

2.25(x-4.2)=x+3.28

172. ## Biology

How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!

What is an illustrated list?

174. ## PHYYYYYSICS 5

Two trucks driven by Abby and Brian start at the same position and take off in different directions in an open field. Abby is traveling at a speed of 40 mph in a direction 30° south of west. Brian is traveling at a speed of 56 mph in a direction 75°

175. ## PHYYYYYSICS 7

An object has a velocity of (0.4 x + -1.7 y) m/s at the origin at t = 0. It experiences a constant acceleration of (0.2 x + -1 y) m/s2. What is the distance between the object and the origin at t = 3 s?

176. ## earth space science

What include things like temperature, precipitation and humidity

177. ## scince

Precipitation is part of the?

178. ## Algebra 1

The monthly cost C for a cell phone is \$20 each month plus \$.10 for each minutes used. Which equation can be used to find the total cost (in dollars) for a month when m minutes are used? A. C= m+20 B. C= 0.1m+20 C. C= 10m+20 D. C=20m

179. ## Physical Science

A 12 kilogram tire is to be pulled by three ropes. One force, F1, has a magnitude of 50N. Orient the other two forces so that the magnitude of the resulting acceleration of the tire is least. And find that magnitude if: F2=30N, F3= 20N.

180. ## Math (Pre-Calculus)

Can someone help me with this? Thanks! Find the zeros of the function algebraically. f(x)=x^2-8x+15 ---------------- 10x

181. ## CONTRACT LAW

A music club sends an advertisement. you select ten "free" downloads and agree to become a member. When you get you free downloads you decide to resign. Does the night club have an legal rights against you? why? I know that they don't have rights I just

182. ## Social Studies (SS)

What was the relationship between the popularity of rice in Europe and slavery in the Southern colonies?

183. ## English

Batman or Star Wars and why?

184. ## development

A child’s motor skills develop in order from:

185. ## English

1. Tom went camping with his friend John's family. 2. Tom went camping with John his friend's family. 3. Tom went camping with John's, his friend's family. 4. Tom went camping with John, his friend's family. (Which one are grammatical?)

186. ## math

A fraction becomes 1/2 when 3 is subtracted from its numerator. If 5 and 7 are respectively added to its numerator and denominator, it becomes 3\4 then, the LCM of the numerator and denominator of the said fraction,must be

187. ## Algebra 2

1. Simplify (5√7)/(√6) A: (5√42)/(6) or 5√7/6?

188. ## computer

Assuming you were generating 200 MB of new data per week,at what point would you need to add another hard disk to your computer?

189. ## us history

how does American colonization effect the society of the united states

190. ## Science

What are 3 facts that show ticks have a parasitic relationship with deer? 1..Ticks live on the skin of animals

191. ## Math

For N balls, m are black and the rest white,what is the probability that in the first n balls from N, 1 of them are black. Here m< N.

192. ## english

Is these sentences are correct. Even though I couldn’t decide which of the two sweaters to buy, the saleswoman convinced me to take both. Since at home, I regretted the expensive purchase,I vowed to return one of the sweaters.

193. ## History

What is the difference between classical and modern archeology?

194. ## algebra

how to write recursive formula and give one example of one

195. ## Geography

How would you rate Canada when compared to the rest of the world? Concepts like Primary School Enrollment, Life Expectancy, Population, GDP, HDI and etc;

196. ## government

comparison and similarities common sense: fight for what they believe in, want to sepearte from briatian, pamphlet, written by paine, colonies break away, colonies become new country declaration of independence: create all men equal, want to be united as

197. ## fraction

Joey has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long?

198. ## math

What is (-7)^5 in expanded form? 1.-7*-7*-7*-7*-7 2.-7*5 3.(-7)*7*(-7)*7*-7 4.5*5*5*5*5*5*7 IS IT D

asked by andrew! NEED HELP NOW!!!
199. ## Math

Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê.

201. ## science

what is a geological process occurring over time

202. ## Physics

Two telescopes A and B spot a star. Telescope A reports the position of the star to be in the East 60 degrees above the horizontal line joining A and B. Telescope B, which is 500 km West of telescope A spots the star at 30 degrees above the horizontal line

203. ## Math Gr 12

We are learning to solve Factorable Polynomial Inequalities Algebraically. Question: Solve using intervals. (4x +1)(2-x) is greater than or equal to 0.

204. ## trig

if 15 sin theta=8 cos theta , then what is sin theta-cos theta/sin theta +cos theta

205. ## Mucic

which skill helps a musician sing or play exercises or musical passages accurately without repeated practice Music - Connie, Thursday, September 18, 2014 at 7:25pm PLEASE HELP Music - Connie, Thursday, September 18, 2014 at 7:48pm PLEASE HELP Ms.Sue Music

206. ## math

What is the solution of the equation 4t=64?

207. ## English

1. She doesn't have a pretty face and a warm heart. 2. She doesn't have a pretty face or a warm heart. (Are both the same in meaning? What is the meanig of #1?) 1-1. She doesn't have both a pretty face and a warm heart. (She has either a pretty face or a

208. ## SS

What are some examples of assumptions we make about other cultures?

209. ## English

1. Class 2 in the second year won first place. 2. Class 2 in the second grade won first place. 3. Class 2-2 in the second year won first place. 4. Class 2-2 in the second grade won first place. (Are they all grammatical and the same in meaning?)

210. ## Vocabulary

Though my dog River is huge and fierce looking, children are fond of him because he doesnt have a(n) _______ disposition. barren? interrogate? humdrum? sullen? trickle? truce? vicious?

211. ## physics

Starting from rest, the car is going 29 ft/s (20 mi/h) at the end of 5.0 s. What is the car's average acceleration in ft/s2?

212. ## Geometry

Need help on this problem please... What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth.

213. ## home economics

the south african is not providing enough welfare or subsidies to the poor and underpriviledge

214. ## computer

Can you show me the working solution for my first question?

215. ## Physics

A cat jumps on to a railing at a height of 1.20 m above the ground. He jumps at an angle of 70 degrees relative to the floor. How fast does he have to be moving when he leaves the floor in order for him to make it up to the railing?

216. ## PHI 208

Thomas Nagel argues that all rules of engagement should be governed by the utilitarian principle that

217. ## Math

Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê. Ā= −4ˆi + 3ˆj Ē= 12ˆi + 5ˆj

218. ## English

How does the perspective of white crewmen toward the captives help support the main idea in "from the Interesting Life of Olaudah Equiano"

219. ## Math

Solve each inequality y+5>7 The arrows are supposed to have lines under them but I can't figure out how to put them. A. y12 Is the answer A?

220. ## english

Is this sentence correct. While at home, I regretted the expensive purchase,I vowed to return one of the sweaters.

221. ## Math

Interpret th enumerical expression. (15 + 9 ) x 3

222. ## geography

What is Farthest south?

2m+3/m=1

224. ## Math

Determine whether each sequence is geometric, arithmetic, or neither. Justify your answer. 1/5, 1/4, 1/3,1/2,1

225. ## biology

How do changes in the nucleotide sequence lead to mutations and how could this affect the primary structure of proteins?

226. ## Math

b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1-4, -1/2

227. ## Math

a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 3a, 3a – 2b, 3a – 4b, 3a – 6b, …

228. ## science

what keeps the earth cool during the day and warm at night

229. ## English

I finally got on the school soccer team. (In this sentence, what is the meaning of 'got on'? What other expressions can we use?)

230. ## Physics

What is the centripetal force required to cause a 4000 lb car to go around a curve of 900 ft radius and a speed of 600 miles per hour?

231. ## Math

what does that mean?? write the place and value of each number. 1)5,272,468,693 what is the selected digit in? ^ its eight

232. ## Algebra 2

1. Simplify (5√7)/(√6) A: (5√42)/(6) or 5√7/6?

233. ## science

Name a molecule that transmits energy. Answer: Energy Molecule

234. ## math

If sales tax is 1/16 of the price and the price is \$16 how much tax do I pay?

m-7

237. ## science

Name a molecule that transmits energy. Answer: Energy Molecule

238. ## english

Is these sentences are correct. Although Mr. Blatt always mixes up the students’ names, people get the feeling he doesn’t care. If being called by another name is embarrassing, it makes the students feel unimportant as well.

239. ## Math-The chain rule HELP

Use the chain rule and simplify your answer: y= 1/u prime u= 3x^2 + 5

240. ## math

one edition of the book has 352 pages, how many were used in its page numbers

241. ## Algebra 2

x/4-4/x over 1-4/x simplify this

242. ## math

if 150 is the third proportional to 6 and x ; find the value of x.

243. ## science

Can there be 2 full moons?

244. ## GLOBAL HISTORY HELP!

how do we know about our past

245. ## math

what is -18/-13

246. ## math

what is a multiple?