# Questions Asked onNovember 22, 2013

1. ## Water Treatment

Wastewater from a small town is treated in a trickling filter which is preceeded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m3/h. The dry weather flow (Qdwf) amounts

2. ## music help

what does neumes and color lines show?

3. ## Math plz help me!!! URGENT!!

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is

4. ## Math

how many solutions does the equation sin(5x)=1/2 have on the interval [0,2pi]?

5. ## Chemistry

What is the lattice energy of NaI? Use the given information below. Heat of formation for NaI = -288.0 kJ/mol Heat of sublimation for Na = 107.3 kJ/mol Ionization energy for Na = 496.0 kJ/mol Bond dissociation energy for I2 = 149 kJ/mol Electron affinity

6. ## statistics

Assume that thermometer readings are normally distributed with a mean of 0.0 and a standard deviation of 1,00. the thermometer is randomly selected and tested. For the case below, draw a sketch , and find the probability of the reading The given values in

7. ## math

Many people are trying to reduce their carbon footprint. Amrita’s carbon footprint this year was 85% of last year’s footprint. If her carbon footprint this year is 34 tonnes,what was her carbon footprint last year? PLZ NEED HELP

8. ## Geometry

The two vertices that form the base of an isosceles triangle are (-5, 3) and (2, 3). What are the coordinates of the other vertex?

9. ## math

Help?Simplify each expression.1. 3w – 10w a. 13w b. –7w c. –7 d. 7w 2. y + 1.2y +1.2z a. 2.4yz b. 1.3y + 1.2z c. 1.2y2 + 1.2z d. 2.2y + 1.2z 3. 6r + r – 5r a. 2r b. 1r + r c. 0r d. 7r – 5r 4. 5x + 2(x + 6) a. 7x + 6 b. 7x2 + 12 c. 7x + 12 d. 7x

10. ## Algebra

Use the matrix tool to solve the system of equations. Choose the correct ordered pair. -3x + 5y = 19 5x - 5y = -5

11. ## Pre-Calc Help!!!

Prove the identity. (show your work please) tan(x − π/4)= (tan x − 1)/(tan x + 1) Thank you!

12. ## math

A model rocket is launched with an initial velocity of 160 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 160t. How many seconds after launch will the rocket be 350 ft above the ground? Round to the nearest

13. ## Algebra 2

What are the solutions of the quadratic equation? 2x^2 – 16x + 32 = 0 How do I solve this, I'm kinda new to quadratics and there confusing >.>

Hannah and Francine have $120. Hannah and Peter have$230. Peter has 6 times as much money as Francine. How much money does Hannah have?

15. ## Psychology

4 The big Five in personality theories refers to which of the following? a. a set of functional traits such as neuroticism and openness to experiences. b. the group of personality theorists who criticized Freud's theory as too sexual. c. The effect of

16. ## cal

Find the largest open intervals where the function is concave upward. f(x)= x/x^2+1

17. ## science

Some constellations such as Ursa Minor, are visible in the sky year round other constellations appear for only part of the year.Explain why this happens.

18. ## science

How does a stars life begin ?

19. ## science

The half-life of uranium-235 is 713 million years. Suppose a fossil originally had 26 grams of uranium-235. A geologist had the fossil tested and found that it now has only 3.25 grams of uranium-235. Approximately how old is the fossil?

20. ## math

Jennifer is setting the dinner table. She needs to set the table for 4 people, and each person needs to have an identical place setting to the other 3. She has 6 red place mats,6 green place mats, and 8 blue place mats as well as 4 maroon napkins, 3 orange

21. ## Science

What is the order of the electromagnetic spectrum from highest to lowest energy. I got Radio, Microwave, Infrared, Visible light, Ultraviolet light, X-ray, and Gamma ray. Am I correct? If not, please help me so I can put it in the right order.

22. ## Math

How many 2 ounce hot dogs would make a pound?

24. ## physics

Two liters of nitrogen combine with 6 L of hydrogen to form 4 L of ammonia. If the molecules of nitrogen and hydrogen have two atoms each, how many atoms of hydrogen and nitrogen are there in one molecule of ammonia?

25. ## math

A printer holds 500 sheets of paper. After printing it held 210 sheets. Which equation can be used to find how many sheets were printed?

77. ## law

Why did Congress repeal the mandatory federal sentences for drug offenses in 1970?

78. ## stastistics

With n=13 and p=0.7, find the binomial probability P(9)by using a binomial probability table. If np> and nq>5, also estimate the indicated probability by using the normal distribution as an approximation to the binomial,if np

79. ## FIN370

Dharma Supply has earnings before interest and taxes (EBIT) of $500,000, interest expenses of$300,000, and faces a corporate tax rate of 35%.

80. ## English

How does the boy feel? 1. He feels bored. 2. He feels boring. (Are both answers correct?)

81. ## magnetism help

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

82. ## algebra 1

Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for$5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost$2. Marissa can sell up to 8 framed photographs and 40

83. ## math(help)

please help me im completely clueless------------------------------1.Of the students in Rosalie’s dance class, 29 out of 59 have participated in dance class before. About how many of her students have participated in dance class before? A.0 B.1/2 C.1 D.2

84. ## Chemistry

how many oxygen molecules are in 9.1 liters of oxygen gas?

85. ## English

1. This is Mike in the picture. (What does 'in the picture' modify in this sentence?)

86. ## Math

Find the area between x = 9.5 and x = 23 under a normal distribution curve with μ = 20 and σ = 4 .

87. ## chemistry

Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, Bella :)

88. ## Chemistry

Calculate the % composition of H2S. Then determine the number of grams of sulfur present in 339.79 g of H2S. *I don't know how to set up the equation after I find the % composition to find the grams of sulfur. Please help! Thanks, Bella :)

89. ## math

if the manufacture from the question above charge a 4 1/2 late fee, how much would city cellular owe if they did not pay the balance by the net date?

90. ## Science

How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could

91. ## Chem year one

what is the balanced net ionic equation for the oxidation of hydrogen peroxide by permanganate ion and find out how many moles of hydrogen peroxide react with one mole of permanganate ion. would the answer be: 2MnO4^- + 6h^+ + 5H2O2 ---> 2Mn^2+ + 8H2O +

92. ## chemistry

Please I need help in knowing how to solve this. I know I need to take the antilog of something but don't know what.What is the values of [H3O+] for a solution with [OH−]=1×10−5M?

93. ## language arts

We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun’s return. Our nights were almost endless torture. Our food was gone. Our fuel was low. We came in search of grand adventure But

94. ## pyhsis

A man walks half of his trip by 40km/hr and ride a bicycle the rest of his trip by 60km/hr. What is his average speed

A plane flies due north (90° from east) with a velocity of 100 km/h for 3 hours. During this time, a steady wind blows southeast at 30 km/h at an angle of 315° from due east. After 3 hours, where will the plane’s position be relative to its starting

96. ## Health (Ms. Sue)

Summarize how genes are involved in hereditary diseases. A: Genes are involved in hereditary diseases as defective genes inherited by one or both parents is one of the causes of hereditary disease?

97. ## Language Arts

Hello, can someone please check my answers? :) 1. How would you describe to others a person with ambition? (1 point) someone who withdraws from his family someone who strives for success*** someone who buys anything he wants someone who moves frequently 2.

98. ## physics

Black hole in X-Ray Binary. (2.75/11.0 points) An X-ray binary consists of 2 stars with masses (the accreting compact object) and (the donor). The orbits are circular with radii and centered on the center of mass. (a) Find the orbital period of the binary

99. ## physics

A spacecraft of mass is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun in a near circular orbit with radius ( is the mean distance between the earth and the sun; it is about 150 million km). (a) What

100. ## cal

Find the integral. ∫ -10 x sin x^2 dx

101. ## Linguistics/English

Hi, I need more help. I need to know if I diagrammed these sentences correctly. Edith drew some orange flowers on the side of the house. Edith......Flowers (drew,some,orange).......(On)......Side (the)...(Of)....House (the) Final:Noun, Noun, (preposition),

102. ## Math

x 6, -13.4 True or false

103. ## Math

Is ordered pair a solution to the equation? y = -5;(-3,1)

105. ## Math

True or false Some rational numbers are integers. The radius of a circle and its circumference. Direct or inverse f(x) 0.08x^3 + 0.6x + 2.8 Rational function, another polynomial function Quadratic function

106. ## physics

A skier of mass 77.7 kg, starting from rest, slides down a slope at an angle $\theta$ of 35.7° with the horizontal. The coefficient of kinetic friction is 0.08. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first

107. ## help ??????????????????

With respect to treating an acute myocardial infarction: Identify a drug or treatment which has the effects listed 1)Activates plasminogen to lyse the thrombus. a)Aspirin b)Warfarin c)Nitrate d)Morphine e)Tenectaplase f)oxygen 2)Helps to keep ischaemic

1. Which of the following is not a good example of specific word choice? (1 point) A.They were stranded on the island. B.They were left on the island. C.They were ditched on the island. 2. The climax of the story's plot occurs when (1 point) A. Mr.

109. ## physics

Black hole in X-Ray Binary. (2.75/11.0 points) An X-ray binary consists of 2 stars with masses (the accreting compact object) and (the donor). The orbits are circular with radii and centered on the center of mass. (a) Find the orbital period of the binary

110. ## Chemistry

In a double-stranded DNA molecule, the percentage of Guanine can never be more than ___%. Why?

Data Protection Act a) How can an individual find out what information is stored about them? b) How can an individual ensure that any incorrect information stored is altered?

112. ## math

x >-13, -13 True or false x -> 6, -13.4 True or false

113. ## painting

how can you paint

114. ## Science~!

Sodium is a metal and chlorine is a poisonous gas. Neither is safe to eat. However, when sodium and chlorine combine, it produces edible table salt. What can be concluded? (1 point) Table salt has similar physical properties of both reactants.*** Table

115. ## Math

Some rational numbers are integers. True or false The radius of a circle and its circumference. Direct or inverse f(x) 0.08x^3 + 0.6x + 2.8 Rational function, another polynomial function Quadratic function.

116. ## math(help)

please help me i feel clueless. --------------------- write the sum or difference in simplest form. 1.on monday,cathy read 1/6 of her book,and on tuesday she read 2/6 of the book.how much has she read? A.1/6 B.1/5 C.1/3 D.1/2 -------------------------

117. ## Physics

A fire truck attaches two fire hoses to a hydrant to fight a fire. Each hose has a diameter of 20 cm. The underground water pipe going to the hydrant has a diameter of 100 cm. In the underground pipe, the water has a speed of 2.0 m/s.

118. ## Science

How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could

119. ## algebra 1

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

120. ## Science

What is a frequency of a wavelength?

121. ## Social Studies (History)

What was a result of the laissez-fair economic policies followed by the Federal Government between the Civil War and 1900?

122. ## math

The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30 - day period. Estimate the total number of therms used during this period. Use left endpoints and rectangles with widths of 3 days. View graph at: postimg.o r

123. ## algebra 1

. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for$5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost$2. Marissa can sell up to 8 framed photographs and 40