# Questions Asked onMay 22, 2013

1. ## geometry

Pllllleeeaaasssssssseeeee help me with this math fast! a. Find x. The figure is not drawn to scale. b. Is the triangle equilateral, isosceles, or scalene? Explain. Image at imgur . com / 6y2f9a3

2. ## Stats

A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.

3. ## physics

Two cars lost in a blinding snow storm are traveling across a large field, each thinking they are on the road, as shown in the figure on the left. They collide. If the distance x is 169 meters and the red car is travelling at 15.8 mph, how fast to the

10. ## economics

am i right? don't want to hand in wrong homework again, my mom will kill me A research firm calculated that students who attend University spend about $2,760 each in the local economy for a total of$50.45 million. In total, the impact of their spending on

11. ## English

1. There are many fluorescent lights on the ceiling. 2. There are many fluorescent lamps on the ceiling. 3. There are many fluorescent light bulbs on the ceiling. (Which expressions are right? Which one is commonly used? Thank you.)

63. ## Math 2 questions

I need help with 2 questions so that I could do my other ones myself so can someone please do these 2 questions so i get an example how to do them, thanks. 1. Lauren works for a bookstore. One of the stores suppliers has a promotion in which any in stock

64. ## PHYSICS SATELLITE PROBLEM

A 3300kg satellite is traveling 3550 km above the Earth's surface. Calculate the velocity and period of the satellite. THANK YOU VERY MUCH!!!!

Calculate the critical angle between flint glass and air assuming that index of refraction of the glass is 1.61.

Calculate the wavelength of the signal sent by Q101 assuming that the actual frequency is 101.1 MHz. Determine how long it would take the signal to reach a car 33.4km away from the station. THANK YOU!

68. ## Psychology

Kara heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Kara is having difficulty with: A. sensation. B.

69. ## life orientation

Sources of environmental health

70. ## Chemistry

If 10g of NO react with 20g of O2, what is the maximum amount of NO2 that can be produced? How do I know exactly which is limiting and which is excess, is there a calculation that shows this?

One lump of clay traveling at 14.98 m/s overtakes a second lump traveling at 4.98 m/s. After collision they are stuck together. To the nearest tenth of a m/s what is their common velocity?

72. ## Chemistry

what volume of oxygen is needed to react with solid sulfur to form 6.20 L of sulfur dioxide according to the reaction S(s) + O2(g) yield SO2(g)

73. ## Computers

Which of the following operating system types is used in medical equipment or a cash register? A. Multi-user/multi-tasking B. Real-time C. Single-user/multi-tasking D. Single-user/single-tasking

74. ## Physics !!!!! HELP PLEASE

A hand gun fires a 12.0 g bullet at a speed of 400 m/s. What is its kinetic energy? At what speed must a motorcycle of mass 173 kg move to have the same kinetic energy as the bullet? Express your answer in km/h.

75. ## equations

solve for x and y x+y=5 and x^x + y^y = 31 i have found x,y = 2,3 or 3,2 but i got the answer by merely substituting the values... is there any proper way to find x and y??

76. ## chemistry

If you add a metal piece to excess acid, what of listed factors below will increase, decrease, or have no impact on how fast a reaction happens? a) lower molarity (concentration) of a solution b) higher molarity (concentration)of a solution c) increase

77. ## To Math Helpers please:Math 2 questions

I'll retype it, Ive been waiting forever and i just need someone to do these 2 questions so that i can continue doing my other ones so can someone do them: I need help with 2 questions so that I could do my other ones myself so can someone please do these

78. ## world history

What was the impact of New Imperialism in African and Asian colonies? Please give at least one example of each. How were these experiences different from traditional empires?

79. ## English

Homework Help: English Posted by rfvv on Wednesday, May 22, 2013 at 8:22pm. 1. There are works of art on the buletinboard at the back. 2. There are five works of art on the bulletinboard in the back. 3. There are many tables and chairs in the English

81. ## Math calculus

The altitude of a triangle is increasing at a rate of 1000 centimeters/minute while the area of the triangle is increasing at a rate of 1500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 7000 centimeters

82. ## physics

a diver makes a running horizontal jump off a cliff located 4m above the water level below. how fast must the driver be traveling at launch in order to clear 6m section of rocks at the water's edge?

83. ## social studies

are there people currently who consider rosa parks a bad woman?

84. ## physics

water flow over a falls 12.5m high. If the potential energy of the water is all converted to thermal energy calculate the temperature difference between the water at the top and buttom of the falls.

85. ## physics

A 1.6 N loop of wire is hung in a magnetic field as shown. If the spring scale reads 0.60 N when a current of 1.0 A passes through the loop what is the magnitude and direction of the magnetic field?

86. ## English-Writing

can u please help me revise my introduction and conclusion paragraph with better wordings. Introduction paragraph I have chosen my career field as an accountant but I want to start it with being a bank teller. I want to become a bank teller soon because

87. ## L.O

Community organizations in S.A that are involved in giving redress to disasters

88. ## english

we cannot have a peaceful and just society so long as any one group is required to be (responsive, submissive) to another. submissive

89. ## physics

a 2400kg vehicle travelling north at 10.0m/s collides with a 500kg vehicle that is travelling east at 20.0m/s if the 2 vehicles lock together, what is their speed just after the collision

A 3300kg satellite is traveling 3550 km above the Earth's surface. Calculate the velocity and period of the satellite. THANK YOU VERY MUCH!!!!

91. ## PHYSICS FINAL (orbital)

A 3300kg satellite is traveling 3550 km above the Earth's surface. Calculate the velocity and period of the satellite. THANK YOU VERY MUCH!!!!

92. ## Chemistry

What happens if you add more solute to a saturated solution?

93. ## Math

A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3? would this be 1/7 or 1/6? i'm unsure.

94. ## English

1. The phrase that best describes the teenage couple in the beginning of the tale within the story "Everything Stuck to Him" is A. ambitious and optimistic about the future B. ambitious yet pessimistic about the future C. purposeless yet hopeful that

95. ## physics

A runner dashes from the starting line (x=0) to a point 134 m away and then turns around and runs to a point 26 m away from the starting point in 16.8 seconds. To the nearest tenth of a m/s what is the average speed? and what is the velocity of the runner.

96. ## physics

A car accelerates at a constant rate from zero to 25.9 m/s in 7.6 seconds and then slows to 15.4 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s2 during the entire time?What was the acceleration during the first

97. ## Geometry

Find the volume of a rectangular box. The faces have areas of 15, 25, and 60.

98. ## physics

A car traveling at 5.9 m/s accelerates at 2.12 m/s2 for 19.5 seconds. To the nearest meter how far does it travel.

99. ## math

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of$9.00 for the month of March

100. ## Math

Can someone explain what to do for the following question. What percentage of a normal distribution is greater than the mean? Give your answer correct to the nearest percent. What formula is used? Because I have to find also 1 standard deviation of the

101. ## Science

How often must a tractor be serviced?

102. ## algebra

How long will the ball be in the air until it lands on the ground when h=-4.9t+28t+3.2 quadratics

103. ## Statistics

The mean and median sales prices of new homes sold in the U.S. in November 2010 were $213,000 and$268,000. Which of these numbers is the mean and which is the median? Explain how you know. I'm assuming the median is $213,000 and the mean is$268,000.

The erosive energy of rivers alters landscapes over periods of millions of years. Which of the following increases a river's rate of erosion? A)low gradient B)high discharge C)small load D)decreased speed

105. ## history

which popular company recently became public and is traded on the NASDAQ?

106. ## To: Reiny- Math

Thank you so much for helping me but for #2 c.) is it yes or a no, though i did the rest of my questions but im stuck on this one so can you please help and explain a lot cause i have a test on this soon and i want to understand it, thanks :) Serena can

107. ## Math

Sam is making 3 picture frames with dimensions seven and seven-eights and five and three quarters. What length of wood does he need for all 3 picture frames? Please answer as soon as possible; need it for tomorrow. Thanks

108. ## englis

having problems with a "gerund" worksheet

109. ## MATH

THERE ARE 2 SPINNERS ONE IS LABLED A-D THE OTHER IS LABLED 1-8. WHAT IS THE PROBABILITH OF SPINNING EITHER AN A OR B AND EITHER A 1 OR 2. ANSWERS GIVEN ARE 0.0625,0.116,0.125,AND 0.18

110. ## Calculus

3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x. I get 4653pi/105 after help from Mr. Reiny, but this is wrong. Have I calculated incorrectly? Thank you

111. ## Physics

Electric charge charge is distributed uniformly along a thin rod of length "a", with total charge Q. Take the potential to be zero at infinity find the potential at P. If z>>a, what would be the potential at p? From potential find the electric field at

112. ## math

how much will i have to pay back on 3200 dollars intrest rate 9% for a yr an a half

113. ## Probability

Bret and Shawn are playing a game where each turn the players roll a 20-sided die fair and then add the number they get to their score. The winner is the player with the highest score at the end of the game (there may be a tie). Before the last turn, Shawn

114. ## physics

Suppose a battery output a voltage of 9 volt. Calculate how many joules of energy are imparted to every individual electron moving through this battery?

115. ## pyhsic question for count iblis

PLEASE GIVE THE ANSWER,I ALREADY INPUT TO YOUR FORMULA AND IT IS FALSE... Is your answer 0.57? A 15 kg, 1m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a velocity of 35 m/s and bounces

116. ## Math Models

The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890. This is from my Math Models class. I am not taking Statistics. Please someone show me how to do

117. ## maths

A wheel makes 200 revolutions in 2 minutes. Find the measure of the angle it describes at the center in 24 second s. (In radian)

118. ## Calculus

A ladder of length 10 metres is being drawn up a wall. The top of the ladder is moving upwards at 1 metre per second. Find the speed with which the foot of the ladder is approaching the wall when the foot is 6 metres from the wall.

119. ## English

1. A book is/lays open on the blanket on the bed. 2. There is an open book on the blanket on the bed. 3. There are some books on the shelf on the wall. (Are they grammatical? Would you check them? Thank you.)

x and y are positive real numbers that satisfy log(base)x y + log(base)y x = 17/4 and xy=288√3. If x+y=a+b√c, where a, b and c are positive integers and c is not divisible by the square of any prime, what is the value of a+b+c?

How many pairs of positive integers (a,b), where a≤b satisfy 1/a+1/b=1/50?

Tim had $52 in his checking account. He wrote a check for$55 and then made a deposit of $10. How much was in his account? asked by Math wiz 123. ## physics How far to the nearest tenth of a meter can a runner running at 5.33 m/s run in the time it takes a rock to fall from rest 67 meters? asked by giggles24 124. ## science a ball is projected at an angel of 45 degree to the horizontal.if the horizontal range is 40m,the maximum height attained by the ball is- a)5m b)8m c)10m d012m asked by Mainak 125. ## Math ms. Sue please help Eve's account was overdrawn by$12. The bank charged her $10. Then she deposited$90. How much is in her account?

Let A=a1,a2,…,ak and B=b1,b2,…,bj be sequences of positive integers such that a1≥a2≥⋯ak≥1, b1≥b2≥⋯bj≥1, ∑i=1k ai≤6, and ∑j i=1 bi≤6. For how many ordered pairs of sequences (A,B) satisfying the above conditions can we find a

Alex and Bella play the following game. They first choose a positive integer N, and take turns writing numbers on a blackboard. Alex starts first, and writes the number 1. After that, if the number k is on the board, the next player may write down either

128. ## geometry help

Circle Γ with center O has diameter AB=192. C is a point outside of Γ, such that D is the foot of the perpendicular from C to AB and D lies on the line segment OB. From C, a tangent to Γ is drawn, touching Γ at E, where the foot of the perpendicular

129. ## Chemistry

Do alloys have the same properties as their individual elements?

A bag contains 5 red,2 blue,and 4 white marbles. What is the probabiltiy If Sam picked a red marble replaced it and picked a white marble?

183. ## Psychology

Uncle Billy fell asleep in front of the television again. Five minutes later a noise from the kitchen awakened him. He sat up looking a bit dazed and explained, "I was having something like a dream. I saw my first bicycle, Old Blue, just as bright and

184. ## math

A 5-inch section of a hollow brick measures 12 inches tall and 8 inches wide on the outside. The brick is 1 inch thick. Find the volume of the brick, not the hollow interior.

185. ## precalc

partial decomposition 12/x(x-2)(x+3)

Lifeguard Assignment Chris doesn’t like children, but he works as lifeguard at the Brigeland Community swimming. He does not like children a lot, but he is working as a lifeguard at the Brigeland Community swimming pool. He spends most of his time at the

187. ## Accounting II

calculate the total dividends and the per-share dividends declared on each class of stock for each of the six years.

188. ## physics

A man pulls a 10 kg box across a smooth floor with a force of 53 newtons at an angle of 18 degrees and for a distance of 122 meters. How much work, to the nearest joule, does he do?If the floor is angled upward at 6.7 degrees and the man pulls the box up

189. ## algebra

what is the slope of the line perpendicular to y=2/5x+7

190. ## English

Q: What is the box where dustpans and brooms are kept in a classroom called in English?

191. ## algebra

1. For the given function f and g find the folowing and state the domain of each result f(x)=2x+1;g(x)=7x-1 a) (f-g)(x)=_____ (f/g)(X)=_____

192. ## algebra

Given f(x)=x^2+4 and g(x)=3x+1 simplify g^-1(x)(inverse) please show work and explain