# Questions Asked onSeptember 7, 2013

1. ## tyndall

1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3. Draw a line from the

2. ## chemistry

Mno4- + So3-2 = Mno2 + sO4-2 (OH-) solve this redox reaction and give me the method also

3. ## Chemistry

Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

4. ## Chemistry stochimetry2

The volume strength of 1.5 N H2O2 is.......

5. ## stat

The general population (Population 2) has a mean of 30 and a standard deviation of 5, and the cutoff Z score for significance in a study involving one participant is 1.96. If the raw score obtained by the participant is 45, what decisions should be made

6. ## Chemistry

The normality of 0.3 M phosphorus acid (H3PO3) is.......

7. ## Chemistry

Calculate the theoretical mass percent of oxygen in KClO3. here is the my mass percentage of 02 25gKCl03/30.0gKCl03=0.61%02.

8. ## Physcis

a black of mass 92 kg and volume 0.031 lies at the bottom of the sea how much force is needed to lift it ? take 1.03*10^3 kg/m as the density of sea water

9. ## Geography (Ms. Sue)

How might the climate of an area be affected by global warming? Which of the five themes apply to this situation?

10. ## math

Four key marketing decision variables are price (P), advertising (A), transportation (T), and product quality (Q), Consumer demand (D) is influenced by these variables. The simpiest model for decribing demand in terms of these variables is: D = k - pP + aA

11. ## Physics

The earth moves around the sun in a nearly circular orbit of radius 1.50 x 1011 m. During the three summer months (an elapsed time of 7.89 x 106 s), the earth moves one-fourth of the distance around the sun. (a) What is the average speed of the earth? (b)

12. ## history

If Catal huyuk had been built near a major river system, how might life have been different? Check my answer. Floods, fire, drought and other natural disasters could destroy a village. Diseases such as malaria could spread easily among people living

13. ## physics

A canal lock gate is 20m wide and 10m deep. calculate the thrust acting on it assume that the water in the canal is in level with the top of the gate. density of water is 1000kg/m^3

14. ## Geometry

A 2ft. vertical post casts a 16in. shadow at the same time a nearby cell phone tower casts a 120ft. shadow. How tall is the cell phone tower?

63. ## Physics

In diving to a depth of 979 m, an elephant seal also moves 104 m due east of his starting point. What is the magnitude of the seal's displacement?

64. ## Algebra, HELP IM CLUELESS

Eureka is 16 years younger than Renton. In 3 years Renton will be twice as old as Eureka. How old are they now? Eureka's Age: Renton's Age:

65. ## Physics

A volleyball is spiked so that it has an initial velocity of 16.6 m/s directed downward at an angle of 55.2 ° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?

66. ## WR

A tennis ball is struck and departs from the racket horizontally with a speed of 27.4 m/s. The ball hits the court at a horizontal distance of 20.0 from the racket. How far above the court is the tennis ball when it leaves the racket?

68. ## 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 = +6.6 m/s and ax = +2.0 m/s2. The y components of the puck's initial velocity and

69. ## Physics

A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 660 m/s. The gun is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.029 m below the center. What is the horizontal distance between the end

70. ## Math

What is the slope of a line perpendicular to the line whose equation is y=2x+7

71. ## Physics

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown in Figure 3.10 and has a range of 24 m. Suppose the launch speed is doubled, and the projectile is fired at the same

72. ## Physics

A rocket is fired at a speed of 50.0 m/s from ground level, at an angle of 46.0 ° above the horizontal. The rocket is fired toward an 18.7-m high wall, which is located 23.0 m away. The rocket attains its launch speed in a negligibly short period of time,

73. ## Physics

A soccer player kicks the ball toward a goal that is 27.0 m in front of him. The ball leaves his foot at a speed of 16.7 m/s and an angle of 36.0 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.

74. ## physics

determine the pressure of a 20 lb force is applied to an area of 10 inch squared

75. ## Math

If the coordinates of the center of a circle are (-3,1) and the radius is 4, what is an equation of the circle

76. ## Psycology

In The Bell Curve, Richard Herrnstein and Charles Murray argued that the nation cannot come to terms with its massive social problems until it confronts the role of intelligence. "How bright someone is, is the single variable that has the largest impact on

77. ## math

Betsy is making a flag. she can choose 3 colors out of red, white, blue, and yellow. How many choices does she have?

78. ## physics

determine the pressure of a 20 lb force is applied to an area of 10 inch squared

79. ## physics

If the water had lost 12000 joules and the calorimeter gained 1300 joules as the temperature of both rock and calorimeter increased from 22°C to 73°C and the mass of rock in the calorimeter was 189 grams, what is the specific heat, c, of the rock

80. ## Math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

In a project, Mr Tung's daily wage was $100 more than Mr Pang's. Although Mr Tung worked 3 days less than Mr Pang, both of them earned$3600. Find the number of days Mr Tung worked in the project.

81. ## Geography (Ms. Sue)

How does location affect climate?

82. ## college essay

Im writing a college essay and Im not sure how to edit the first paragraph My existence thus far has been a musical performance. The world is my stage, the platform on which I can express myself creatively. My life is the reputable melody that I play from

83. ## language arts

Add silent parterns to the folliwing to create new words. bo_,cli_

84. ## history

If Catal huyuk had been built near s major river system, how might life have been different?

85. ## Ancient History

Describe the physical surroundings of Catal Huyuk

86. ## Geography ( Ms. Sue)

Why might two groups of people living in the same area develop different cultures?

87. ## history

Describe the physical surroundings of Catal Huyuk. Check my answer The roofs were made of woven reeds and mud and were connected to one another like a honeycomb . Each dwelling contained an open hearth an oven in the wall and clearly defined sleeping area.

88. ## Quantum physics

1] Given qubit 1 in the state 35|0>+45|1> and qubit 2 in the state 12√|0>+i2√|1>, what is the state of the composite system? in form of a│00> + b│01> + c│10> + d│11> find a b c d. 2] Which of the following states is entangled? a) |++> b)

89. ## english

everyday their are more and more dirty dishes to wash-truly a(n) task. a=epicurean b=jovial c=sisphean d=gslvanized its d

90. ## Quantum physics

1] Let |ψ⟩=(2+i/3)|0>−(2/3)|1>. If we measure |ψ⟩ in the basis |u⟩=(1+i/2)|0>+(1−i/2)|1>, |u⊥>=1−i/2|0>−1+i/2|1>, what is the probability our outcome is |u>? 2]Suppose we are trying to solve Simon's problem with n=4. We ran 4 iterations

91. ## Quantum physics

If you Fourier sample the state 122√(|000>−|001>+|010>−|011>+|100>−|101>+|110>−|111>), which of the following states can be the outcome of your measurement? Select all that apply. 1. |000> 2. |001> 3. |010> 4. |011> 5. |100> 6. |101> 7. |110> 8.

92. ## english

Q.Each line contains a mistake and error>Find error and replace it with suitable words>>> Bernard Shaw or Chesterton were known to having jokes at each other‟s expense. Once they faces one other in a corridor. Chesterton stood her ground and firmly said,

93. ## History

(From the Novel of The Clan of The Bear Cave by Jane M.Auel) How similar or different is Auel's portrayal of Stone Age Life from that of Present-day life in the United States? (I WANT A DIRECT ANSWER PLEASE!)

94. ## physics

an electron of energy 100 mev collides with a photon of wavelength 3*10^6 nm.what is the maximum energy loss suffered by the electron..

95. ## physics

use bohr's quantization rule to calculate the energy levels of a hermonic oscillator, for which the energy is (p^2/2m) + (mw^2r^2/2) i.e. force is mw^2y. Restrict yourself to circular orbits.

96. ## physics

according to classical model of the H-atom,an electron moving in a circular orbit of 0.053 nm around the proton fixed at the center would be unstable and the electron should ultimately collapse to the proton. Estimate how long it would take for the

97. ## chemistry

when ch3cooh, nahco3 and as2o3 is heated ,what product will be formed?

98. ## GDP geogrsphy

What are some of the factors that can cause a country’s Gross Domestic Product (GDP) per person to change? kathi anderson forever never lasts

99. ## English

I have to answer about 25 questions about one scientific text on English. I already chose one, but need I can't add URL here, and need help :(

100. ## law

in regards to the Miranda rights are there still any unresolved issues regarding suspect rights that the Supreme Court will need to address in the future

101. ## Math - Ratios

The ratio of wood bats to metal bats at a sporting goods store is 2:7. After 10 metal bats are sold, the ratio of wood bats is 3:8. How many wood bats are there at the store?

102. ## Math - Ratios

A pet store sells mice in 2 colors: brown and white. If 3/5 of the mice are brown, the ratio of male mice to female mice is 2:1, and 1/2 of the female mice are white, then what is the ratio of the number of brown male mice to the number of white male mice?

103. ## Physics

Which is greater, an acceleration from 30 km/h to 40 km/h or an acceleration from 85 km/h to 93 km/h if both occur during the same time?

104. ## matla

4.6 g of an oxide of nitrogen contains 3.2 g of oxygen. Calculate the empirical formula of the compound.

105. ## Analytical chemistry

I did the next problem, i don't have the results for it and i just want to know if i calculated the mass for Fe2O3 the right? A sample is a mixture of iron oxides (Fe2O3 and FeOOH). It's known that at 200°C this reaction occurs: 2FeOOH(s)-> Fe2O3(s) +

106. ## Intermediate Algebra

name the type of polynomial and give its degree for 7x to the 3rd power + 6x to the 2nd power -2=

107. ## Intermediate Algebra

for the polynomial function h(x)=2x to the 4th power-x to the 3rd power+2x to the 2nd power -4x-3 evaluate h(3)

108. ## Intermediate Algebra

add or subtract the following polynomials as indicated (5.9x to the 3rd power+3.4x to the 2nd power - 7)-92.9x to the 3rd power -9.6x to the 2nd power +3)

109. ## science

An insect inside a bus flies from the back toward the front at 2 m/a. The bus is moving in a straight line at 2m/a. What is the speed of the insect?

110. ## Physics

If a person can jump a maximum horizontal distance (by using a 45° projection angle) of 2.07 m on Earth, what would be his maximum range on the Moon, where the free-fall acceleration is g/6 and g = 9.80 m/s2?

111. ## Physics

If = (6.00 -8.00 ) units, = (-8.00 + 3.00 ) units, and = (27.0 + 19.0 ) units, determine a and b such that a + b + = 0.

112. ## mAtH

The 23rd term in a certain geometric sequence is 16 and the 28th term in the sequence is 24. What is the 43rd term? It is not 48.

113. ## Sociology

I need to break a folkway and write an essay on it - any ideas?

114. ## Chemistry

Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

115. ## Physics

During takeoff, an airplane climbs with a speed of 110 m/s at an angle of 44 degrees above the horizontal. The speed and direction of the airplane constitute a vector quantity known as the velocity. The sun is shining directly overhead. How fast is the

116. ## statistics

P(z < -1.5 or z > 2.50) =

117. ## math

powers and exponents

118. ## math

write each expression using exponents ? 1)10.10.10 2)6 3)4.4.4.6.6

119. ## ECON

For your twenty-first birthday, your grandfather offers you a gift of $1000 today. However you have the choice of waiting 3 years and receiving$1500 or waiting 5 years and receiving \$3000. If your money grows at a rate of 8 percent compounded annually,

120. ## Writing

Can you proofread my essay? Life in the Fast Lane Have you ever changed so much in life that you couldn’t possibly bare it? Well, that person is called a dynamic character, someone who changes throughout a drama. In the drama, “The Crucible,” by

121. ## Math

How do you segment postulates to determine congruent segments

122. ## physics

Vector A ⃗ {\rm \vec A} points in the negative x x direction. Vector B ⃗ {\rm \vec B} points at an angle of 35.0 ∘ ^\circ above the positive x x axis. Vector C ⃗ {\rm \vec C} has a magnitude of 19m m and points in a direction 37.0 ∘ ^\circ below

123. ## biology

Pseudoscience and nonscience differ in that:

124. ## physics

Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 37 km away, 24° north of west, and the second team as 34 km away, 38° east of north. When the

125. ## Physics

escalator that leads down into a subway station has a length of 27.0 m and a speed of 1.7 m/s relative to the ground. A student is coming out of the station by running in the wrong direction on this escalator. The local record time for this trick is 11 s.

126. ## humanities

Do you know GATEWAYS TO WORLD LITERATURE THE ANCIENT WORLD THROUGH THE EARLY MODERN PERIOD (PENGUIN ACADEMICS SERIES) VOLUME 1 online book for free? I saw some website in you have to download some plugin to view the book. Are they saw?

127. ## Calculus

Find a number, delta, such that if |x-2|

128. ## Geography (Ms. Sue)

Why doesn't all of Alaska have cold, snowy winters? My answer: All of Alaska does not have cold, snowy winters because not every part of Alaska possess tundra, subarctic, and humid continental climates. In fact, the Pacific coast from northern California

129. ## Chemistry

Predict which compound from each of the following pairs will have the highest boiling points and why? NH3, He, Ar, LiF