# Questions Asked onSeptember 9, 2013

1. ## Math

An innovative rural public health program is reducing infant mortality in a certain West African country. Pretend the program in Senegal has been reducing infant mortality at a rate 8 % per year. How long will it take for infant mortality to be reduced by

2. ## Math

The latest thrill ride at a popular theme park takes roller coaster fans on an exciting ride. In the first 20 seconds, it carries its passengers up a 100 meter hill, plunges them 72 meters down and quickly takes them back up a 48 meter rise. How much

3. ## Chemistry

Assume that you found that the average volume of water required to fill the graduated cylinder to the 8.00 ml mark was 7.90 ml. What is the percent error?

4. ## chemistry

0.74 Kcal/min to cal/sec How do I work this out ?

5. ## economics

You are the manager of a firm that receives revenues of $40,000 per year from product X and$90,000 per year from product Y. The own price elasticity of demand for product X is -1.5, and the cross-price elasticity of demand between product Y and X is -1.8.

6. ## Physics

Automobile Airbags. The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than 250 m/s2. If you are in an automobile accident with an initial speed of 60 km/h (37 mi/h) and you are stopped by

7. ## Algebra

How do I find the unknown digit to make this statement true 2.48 > 2.4 ____1 > 2.463

51. ## physics

A jogger follows this route every morning. Assume each segment is a straight line. A= 1000m due south B= 500m at 53 degrees east of south C= 400m due east What is the jogger's displacement from start to end including magnitude and direction?

52. ## C++

Write a complete, working program that will do the following: Suppose you want to write a program to calculate the total cost of an item that has sales tax added. If a given item costs 14.97, and the tax rate is 6.7%, display the following information: a)

53. ## mathematics

Estimate each sum or difference of 54.23-2.39

54. ## english

A common solecism is a=I don't need any b=I don't got none c=I don't have any d=I don't want it

55. ## Physics

Two cars travel in the same direction along a straight highway, on at a constant speed of 38.0 mi/h and the other at 89.0 mi/h. (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 44.0 mi away? (b) How far

56. ## math

Juan, Steve, and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy.

57. ## Home Economics

What are the names of cookery terms applied to conduction, convection and radiation?

58. ## math

What do you get when you use your calculator to divide 84 by 14? What does this tell you about 14 and 84?

59. ## MATH

A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability, the mean for people in general is 0

60. ## Math

please explain steps use multiplication and distributive property to find quotient. 96÷6=

61. ## Quantum physics

Suppose we have a quantum circuit that takes the input |0> and outputs |+>, and also takes the input |1> and outputs −|−>. If we input √2*i/√3|+> + 1√3|−>, what does the circuit output? In the form a│0> + b│1>

78. ## Chemistry 12

Write an equation showing the relationship between i) the rate of production of oxygen and the consumption of dinitrogen pentoxide ii) the rate of production of oxygen and the rate of production of nitrogen dioxide iii) the rate of consumption of

79. ## Biochem

We will need 0.5L extraction buffer with 25 mM HEPES, 1 mM EDTA, and 1 mM DTT. Please calculate how many grams of each solute are needed. (HEPES 238.3; EDTA 292.2; DTT 154.2)

80. ## Religion

Why does the Church encourage the faithful to read and study Scripture in light of the teachings of the Church?

81. ## Computer Science

Suppose we are trying to solve Simon's problem with n=4. We ran 4 iterations of Simon's algorithm and obtained 0000, 1101, 1010, and 0110. What is the secret string s? (Assume that s is not the all-zero string 0000.)

82. ## physics

f a police car is traveling along at 40 mi/hr and speeds up to 90 mi/hr to catch a speeder and it takes a total time of 1hr to finally catch the speeder. what was the police car's acceleration?

83. ## geometry

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3

84. ## math

how to factorise?

85. ## math

What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9?

86. ## earth science

The point at which the continent stops and the rock of the ocean floor begins is the called the continental A. shelf. B. divide. C. drift. D. slope. is it d ?

87. ## Physics

A motorcycle starts from rest witha constant acceleration of 0.10m/s^2. After 30 s, the bike has its acceleration doubled( assume instantaneously ). How fast is it moving after a total distance of 200 m

88. ## Chemistry 12

If two students compared their instantaneous reaction rates, would you expect their results to be the same? Explain (Hint: Think of tangent.)

89. ## math

Ryan has nine 14-ounce bags of pop corn to repackage and sell at the school fair. A small bag holds 3 ounces. How many small bags can he make? 9*14=126 126/3=42 I need to know if there is a longer version to this answer or is this the only way it can be

Just wondering if you could check my answer to this question. Tell whether problem can be solved by using GCF or LCM. Then solve. Sean has 8inch pieces of toy train track and Ruth has 18 inch pieces of train track. How many of each piece would each child

113. ## Biology

By what process are molecules absorbed into the large intestine?

114. ## Algebra

A second number is four times a first number. A third number is 13 less than the first number. If the sum of the three numbers is 353, find the numbers

115. ## Math

Find the Sum of the series: 11+23+35+47+...+179

116. ## Algebra

Factor 81-(3t+2)(3t+2)

117. ## MATHS

In the values interval [0, 2p] the function f (x) = sin(x) has more periods by the function g (x) = sin(3x). True or False?

118. ## Math

The consecutive numbers 2 and 3 are both prime. How do you know that there are no other consecutive prime numbers?

119. ## Math

Use the number tiles below to fill in the addition equation to create the largest possible sum . 372 8

120. ## math

21. 25+18+(-23)= 20 22. -65+(-2)+9= -58 23. 80+15+(-26)= 69 24. -5+4+(-27)= 18 25. -29+12+44= 27 30. 30+(-9)+1= 22 32. 51+ (-21)+-12)= 18

121. ## algebra 1

how do i solve 6(x + &) -20 = 6x

122. ## Music

How do you play a dotted quarter note following that an eigth note tied with a quarter note???

123. ## History

What year was Penn State University founded?

124. ## science

Are oranges smooth or bumpy?

125. ## programming

Show how you would read the status of 100 students and then print the total number of students who are married, single, widowed, divorced.

126. ## Math - Fractions

Last month, 1/9 of dentist's appointments were cancelled, and 3/16 of the remaining appointments were rescheduled. If the dentist had 234 appointments that happened at the scheduled time, how many appointments were either cancelled or rescheduled?

127. ## MATHS

The function f (x) = x^4 has an axis of symmetry the vertical axis y. True or False?

128. ## Math

The number six One thirds is an Example of a .

129. ## Essay title

Hi. I'm trying to think of an essay title for an "I believe" essay. The essay is supposed to talk about how I defy the 'single story'. I talked about defying the single story of a teenage girl because I play the drums. My "I believe" statement is that 'I

130. ## math

Place the following numbers in order from greatest to least: -8.2, 0.4, -2 1/2, 2.4

131. ## math

In burning calories is there a relation between kilocalories burned and minutes

132. ## algebra

2/Q = 8 --- Q+12

133. ## algerbra

-3b+ac= c-4 solve for c.

134. ## English

Revising informal language

135. ## literary

groom service opinion piece meaning to the community

136. ## Latin 1 Infinitives

Can someone please give me basic sentences to translate and identify the infinitive? Im struggling with these.

137. ## gemoetry

how do I find the angles of 4 times one complementary angle decreased by 3 times the second is 3 degrees

138. ## Physics

Could someone explain to me about how live, earth and neutral wires work?

139. ## math

integers of 34 Add= Sub.= div.= multiply=

140. ## biology

3.68kg=____________g

141. ## literature

what is scope malala

142. ## us history

Should the United States take action in Syria, why or why not? I believe that the us shouldnt because the us

143. ## math

3/8= 0.375= 37.5% 0.65= 65%= 13/20 14.5%= 0.145= 1 9/20

144. ## Math

which letter on the number line show a value less than 3/5?

145. ## AP Calc

find the first and second derivative of s(t)=t+[9/(t+1)]+1