Questions Asked onNovember 20, 2012

1. Algebra 2 help :)

Any number in the form of a+-bi , where a and b are real numbers and b not equal 0 is considered a pure imaginary number. TRUE OR FALSE The minimum value is the smallest y-value of a function. T RUE OR FALSE i2 = square root of -1. TRUE OR FALSE Complex

The digits 2, 3, 4, 7, and 8 are each used once in a random order to form a five-digit number. What is the probability that the resulting number is divisible by 4? Express your answer as a common fraction.

3. English

I not real understand this poem Wordsmith by Susan Young In my mind I call my father the Pollyfilla king, watch with something akin to awe as he begins the arduous process of filling in the gaps, the long winded cracks that travel down the walls of my

4. probability question - help!

Two people agree to meet at a coffee shop. They each independently pick a random moment in time between 8 a.m. and 9 a.m. and show up exactly at their selected time. But they are very impatient, and only stay for 10 minutes after when they arrive. What is

5. geometry

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. The front two wheels are six feet apart. What is the number of feet in the path traced by the inside front wheel in one trip around the circle? Express

6. PHYSICS

while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes 75.0 m north, 250 m east, 125 m at an angle theta equal to 30.0 north of east, and 150 m south. find her resultant displacement

7. university physics

A platinum resistance thermometer has resistances of 200.0 ohms when placed in a 0 degrees Celsius ice bath and 253.8 ohms when immersed in a crucible contacting melting potassium. What is the melting point of potassium? Hint: First determine the

8. Physics

The Alert Hiker: An alert hiker sees a boulder fall from the top of a distant cliff and notes that it takes 1.3s for the boulder to fall the last third of the way to the ground. a.What is the height of the cliff in meters? b.If in part (a) you get two

9. physics

A train travels at a constant speed around a curve of radius 225 m. A ceiling lamp at the end of a light cord swings out to an angle of 20.0º throughout the turn. Draw a free body diagram? What is the speed of the train?

10. statistics

Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be admitted to this university and he knows that he must score better than 70%

11. Physics

The Flower Pot: A flower pot falls off a windowsill and falls past the window below. It takes .3 s to travel from the top of the window to the bottom of the window which is 2.2 m tall. From what height above the top of the window did the flower pot fall?

12. chemistry

At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8915-g sample of impure sodium chlorate was heated until the production of oxygen gas ceased. The oxygen gas collected over water occupied 57.2 mL at a

13. Maths

An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle. The total distance covered in the 4 sec is 1. 4 m 2. 2 m 3. 2 pie m 4. 4 pie m

14. Chemistry

A meteorological balloon had a radius of 1.1 m when released at sea level at 20◦C. It ex- panded to a radius of 5 m when it had risen to its maximum altitude, where the temperature was −20◦C. What was the pressure inside the balloon at that altitude?

15. math

Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if

16. Physics

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.85x10^5 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.28X10^5 Pa and the pipe

17. physics

a 100N force is applied at an angle of 30 degrees horizontal to move a 15kg object at a constant speed for a horizontal distance of 5m what would the work be

18. physics

The pendulum on a cuckoo clock is 5.00 cm long. (a) Determine the period of this pendulum. (b) What is its frequency?

19. Chem

Calculate the amount of grams of carbon dioxide formed from 100 g of octane. The molar mass of octane is 114.33 g/mole. The molar mass of carbon dioxide is 44.0095 g/mole/ 2 C8H18 + 25 O2 ---> 16 CO2 + 18 H20 How do I go about doing this problem? How much

20. finance

You take out a 25-year \$210,000 mortgage loan with an APR of 12% and monthly payments. In 16 years you decide to sell your house and pay off the mortgage. What is the principal balance on the loan?

21. Maths

Find the length of the parallel of latitude 42 degree north.

22. Chemistry

Oxygen can be produced in the laboratory by the reaction 2 KClO3(s) → 2 KCl(s) + 3 O2(g) . How much potassium chlorate is needed to produce 2.75 L of oxygen, collected over water at 37◦C and 94.9 kPa? The vapor pressure of water at 37◦C is 6.28 kPa.

23. math help!!!!

4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find how much he weighed before?

24. physics

A 4.0-kg block is stacked on top of a 12.0-kg block, which is accelerating along a horizontal table at a = 5.2m/s2 . Let u=uk=us. (a) What minimum coefficient of friction u between the two blocks will prevent the 4.0-kg block from sliding off? (b) If u is

25. Math

A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students? 12 : 15 15 : 12 27 : 12 12 : 27

26. Math

if josh gives Emily 7 apples, she will have 5 times as many apples as Josh. If Emily gives Josh 7 apples, they will have the same number of apples. How many apples does each currently have?

27. math

Phillip, the proprietor of a vineyard, estimates that the first 9600 bottles of wine produced this season will fetch a profit of \$5 per bottle. However, the profit from each bottle beyond 9600 drops by \$0.0002 for each additional bottle sold. Assuming at

28. physics

A snapshot graph of a travelling wave is shown. The wave is travelling to the right at 10.4m/s. What is the amplitude if the maximum displacement is 26.6cm and the total distance travelled by the wave is 18.4m?

29. mATH

How much money has to be invested at 3.3% interest compounded continuously to have \$45,000 after 19 years?

30. chemistry

how many electrons does Fe3+ gain or lose when the ion forms? A. gains 1 electron B. loses 1 electron C. gain 3 electrons D. loses 3 electrons I think D.

31. Math

There are 24 students in a class, 16 are girls and 8 are boys. What is the fraction of boys in the class?

32. finance

Peyton’s Colt Farm issued a 30-year, 9.6 percent semiannual bond 6 years ago. The bond currently sells for 87.5 percent of its face value. The company’s tax rate is 38 percent. What is the pretax cost of debt? What is the after tax cost of debt?

33. Chemistry

The molar enthalpy of vaporization for water is 40.79 kJ/mol. Express this enthalpy of vaporization in joules per gram.

34. finance

Peyton’s Colt Farm issued a 30-year, 7.2 percent semiannual bond 6 years ago. The bond currently sells for 87.5 percent of its face value. The company’s tax rate is 38 percent. The book value of the debt issue is \$103 million. In addition, the company

35. physics

A 4.00 kg mass and a 3.00 kg mass are attached to opposite ends of a thin 32.2 cm long horizontal rod. The system is rotating at angular speed omega = 4.70 rad/s about a vertical axle at the center of the rod. Determine the kinetic energy K of the system.

36. Maths

A geographical globe has a radius of 18cm.find the radius of the circleformed by the parallel of latitude 56 degrees south.

37. PHYSICS

The cutting tool on a lathe is given two displacements, one of magnitude 4 cm and one of magnitude 3 cm, in each one of five situations (a) through (e) diagrammed in the figure below. Rank these situations according to the magnitude of the total

38. statistics

A vending machine is designed to dispense a mean of 7.6 oz of coffee into an 8-oz cup. If the standard deviation of the amount of coffee dispensed is 0.4 oz and the amount is normally distributed, find the percent of times the machine will a) dispense less

39. finance

What is ICU’s pretax cost of debt? What is ICU’s pretax cost of debt? ICU Window, Inc., is trying to determine its cost of debt. The firm has a debt issue outstanding with eight years to maturity that is quoted at 110.5 percent of face value. The issue

40. math

Find the accumulated amount A, if the principal P is invested at an interest rate of r per year for t years. P = \$2500, r = 3%, t = 3, compounded quarterly \$ ?

41. chemistry

testing bronsted lowry reaction predictions...... im super stuck can someone help me steo by step how to figure this out assuming i use the 5 step process? write a balanced chemical equation for ch3coona and hcl reaction position of equilibrium. I know

42. Statistics

According to insurance records a car with a certain protection system will be recovered 90% of the time. Find the probability that 5 of 6 stolen cars will be recovered.

43. Physics

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.85 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.28 105 Pa and the pipe

44. phy

Two constant forces act on an object of mass m = 4.50 kg object moving in the xy plane as shown in the figure below. Force 1 is 21.0 N at 35.0°, and force 2 is 47.0 N at 150°. At time t = 0, the object is at the origin and has velocity (3.70 + 2.25) m/s.

45. chemistry help!!

For each of the following pairs, indicate which element has the larger first ionization energy Mg or Al. i put Mg. Repulsion of paired electrons in Mg is more significant than Al's higher effective nuclear charge. but got it wrong. Al. Repulsion of paired

46. Math 8R: Operating w/ Sci.Notation HELP! (2ND QS)

Yellowstone National Park has an estimated 2.5 x 10 (to the 6th power) visitors each year. The Great Smoky Mountains National Park is the most visited of all the National parks, and it has approximately four times the amount of visitors annually that

47. Chemistry

Hi I have a question So I have to determine the final concentration of NH4Cl in a calorimeter assuming reaction goes to completion. Given Measurements are: -delta T = 9.25 degrees Celcius -Density of NH4Cl = 1.013 g/mol -capacity of NH4Cl= 3.93 J/g*C

48. Chemistry

A sample of oxygen is collected in a 387 mL container over water at 15◦C, and the barom- eter reads 738 torr. What volume would the dry gas occupy at 781 torr and 15◦C? Water’s partial pressure at 15◦C is 12.8 torr. Answer in units of mL

49. chmistry

a solutiona solution is made by dissolving 3.75g of a pure nonvolatile solute in 95g of acetone. the boiling point of pure acetone was observed to be 55.95 Centigrade that,and that of the solution was 56.50 Centigrade.if the molar boiling point elevation

50. Algebra 2 help!!!

What value completes the square for the expression? x2 + 14x Use the quadratic formula to solve the equation. x2 – 7x – 6 = 0 Simplify the expression. (–2i)(8i) What are the solutions? 1/2x^2 + 2x + 3 =0 I need help

51. Chemistry

The following three step mechanism has been proposed for the oxidation of iodide ion by peroxide: H2o2 + I^- ----> HOI + OH^- Slow OH^- + H^+ ----> H2O Fast HOI + H^+ + I^+ ---> I2 + H2O Fast A. What is the overall reaction described by this mechanism? B.

52. algebra

A square flower bed is to be enlarged by adding 2 meters in each side. If the larger square has an area of 196 square meters, what is the length of the original square?

53. math 121

Henry will reject a cookie with less than 8 raisins.In the past, one out of every 100 cookies had less than 8 raisins. Find theprobability that the first cookie Henry rejects is the 5th cookie on the line.

54. social studys

What was one cause of the English Civil War?

55. math

How would you condense a logarithm expression into a single quantity if the logs have different bases?

56. Physics

The Falling Paint Can: A painter is standing on scaffolding that is raised at a constant speed vi. As he travels upward he accidentally nudges a paint can off the scaffolding and it falls 15m to the ground. You are watching and measure with your stopwatch

57. grammar

correct the grammar of the following text: Jason Turner thought he did the right thing when he had seen a man get into a car and drive off much too fast. A year earlier, another dangerous drive was injuring a friend of his, when he was knocking him off his

58. Chemistry

A compound containing only C, H, and N yields the following data. (i) Complete combustion of 34.8 mg of the compound produced 33.3 mg of CO2 and 40.9 mg of H2O. (ii) A 66.3-mg sample of the compound was analyzed for nitrogen by the Dumas method, giving

59. math

3mn,-5mn,8mn,-4mn

60. Multivariable Calculus

A pentagon is formed by placing an isosceles triangle on a rectange. If the pentagon has fixed perimeter P, find the lengths of the sides of the pentagon that maximize the area of the pentagon.

61. chem131

if the equilibrium mixture contains 0.100M NO2, and N2O4 is 4.6 x 10-3 what is the concentration?

62. Physics

The Spent Rocket Parts: During launches, rockets often discard parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.3 m/s2. When it is 235 m above the launch pad, the rocket discards a used fuel canister by simply

63. math

Three-ninths of a soccer game is over. Is it halftime? explain

64. Math 8R - Operating with Scientific Notation HELP!

Rhode Island is the smallest state. It has an area of approximately 1.55 x10 (to the 3rd power) square miles. Alaska is the largest state. The area of Alaska is 4.28 x 10 (to the 2nd power) times greater than the area of Rhode Island. What is the

65. Chemistry

Al+S=Al2S3 Balanced equ= 2Al+3S=Al2S3 10 grams of Al were mixed with 15 gram of S Find: limiting reagent al or s? How much Al2S3 were formed in reaction? What is the excess reagent?Al or S? How much excuss reagent left over after reactin? Thanks!

66. Physics

The Colliding Balls: A ball is released from rest at a height h above the ground. The ball collides with the ground and bounces up at 75% of the impact speed the ball had with the ground. The collision with the ground is nearly instantaneously. A second

67. Biology

What role does the environment play in convergent evolution?

68. algebra

form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 4; zeros:-3 +5i; 2 multiplicity 2 enter the polynomial f(x)=a(?)

69. social studys

3. Christians and Muslims wanted to control the Holy Land because *of the region's gold mines. *they needed supplies for their armies. *it had valuable water resources. *they believed it was a sacred place.

These two equations concern a lab on the measurement of E/M by the Brainbridge Method. I need to derive the absolute error for two different equations, the first one is: e/m = 2V/B2R2 treat (e/m) as a SINGLE VARIABLE when doing the derivation. The second

71. chemistry

The pressure in car tires is often measured in pounds per square inch (), with the recommended pressure being in the range of 25 to 45 . Suppose a tire has a pressure of 33.5 . Convert 33.5 to its equivalent in atmospheres.

72. MATH 112

two planes leave an airport at the same time. Their speeds are 320 miles per hour and 380 miles per hour. If the angle between their courses is 112 degrees, how far apart are they after two hours? (The hint is using the law of cosines)

asked by diego sanchez
73. chemistry

what is the formula for the arsenic ion. A. As3- B. As2- C. As, D. As3+ I say c.

74. Chemistry

Al_S=Al2S3 10 grams of Al were mixed with 15 gram of S Find: limiting reagent al or s? How much Al2S3 were formed in reaction? What is the excess reagent?Al or S? How much excuss reagent left over after reactin? Thanks!

75. Literature

Why do you think the singer was an important person in Danish communities? (Beowulf)

76. Chemistry

Use van der Waals’ equation to calculate the pressure exerted by 2.33 mol of ammo- nia at −3.7◦C in a 1.25 L container. The van der Waals’ constants for ammonia are a = 4.00 L2·atm/mol2 and b = 0.0400 L/mol. (The values for a and b have been

77. physics

What mass on a spring with a spring constant of 120 N/m will oscillate with a period of 1.0 s?

78. physics

a uniform rod of mass M is hinged at its upper end. A particle of mass m moving horizontally strikes the rod at its midpoint elastically. If the particle comes to rest after collision find the value of M/m

79. computer programming

Mr. Dacara owns 20 apartment buildings. Each building contains 15 units that he rents 5,000 PhP per month each. He wants a program that will print 12 payment receipt coupons for each of the 15 apartments in each of the 20 buildings. Each coupon should

80. chemistry

The pressure in car tires is often measured in pounds per square inch (), with the recommended pressure being in the range of 25 to 45 . Suppose a tire has a pressure of 37.0 . Convert 37.0 to its equivalent in atmospheres.

81. Social Studies 8R help!!!!

What is Ghost Town? I looked in my textbook it's not there. I checked in the glossary, I only see Ghost Dance. Please help

82. math30

Find the amplitude, period, phase shift, and vertical displacement for: y=7sin5(x-85degrees)-1.2

83. Chemistry

Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of ASA in the original solution? What is the mass of ASA in the original solution? The procedure was as follows: accurately weigh by

84. epic

A copper penny has a mass of about 4grams. A copper kettle has a mass of about 400 grams. What is true about the density of these two objects?

85. Math

Round \$6.60 to the nearest 25 cents.

86. Health

What are the 4 refusal skills

87. physics

A force of 85 N is required to compress the spring by 0.0200 m. How much force is needed to compress the spring by 0.0600 N? 3.

88. chemistry

Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of ASA in the original solution? What is the mass of ASA in the original solution? The procedure was as follows: accurately weigh by

89. English

Identify the CAPITALIZED portion of the sentences below. 18. MY FRIEND MARY is coming with us to the zoo. complete predicate complete subject simple predicate simple subject 19. I think we should VISIT the monkeys first. complete predicate complete subject

90. Physics

A ball player hits a home run, and the baseball just clears a wall 17.0 m high located 127.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.0 m above the

91. physics

A standing wave has a wavenumber 200 rad/m. What is the distance between two adjacent nodes?

92. Math 8R - Operating with Scientific Notation HELP!

In constructing the Mall of America in Minnesota, a total of 1.3 x 10 (to the 4th power) tons of steel were used. The Eiffel Tower in Paris, France consist of 7 x 10 (to the 3rd power) tons of steel. About how many times the amount of steel it took to

93. physics

A 4.5-kg block is hung from a spring causing the spring to elongate 12 cm. With what period will the spring oscillate if the spring was stretched 15 cm and released?

94. physics

An object of mass m = 5 kg is suspended by three cables as shown in the figure. If the tension T2 in the horizontal cable is 12 N: 1) What is the angle ƒáƒn that the left cable makes with the horizontal?

95. Physics

A standing wave has wavenumber 200 rad/m. What is the distance between two adjacent nodes.

96. Civics

1.The constitution grants the federal courts ____ in several different kinds of court cases. This gives them the authority to hear and decide cases properly brought before them. 2. The lowest federal courts are trial courts, which have ___, the authority

97. Chemistry

Your Open Question Show me another » Chemistry help needed... Confused? The following reaction is first order and the rate constant is 2.35 x 10^-4 s^-1 at 20 degress C. 2 N2O5 -----> 2 N2O4 + O2 A.) What is the rate of reaction if the [N2O5]=.25 M? B.

98. Algebra

Write an expression equal to eight more than a number divided by 5

99. Math

What is the word form for .3481?

100. Chemistry: Le Chatelier's

What happens when CoCl2 is added to the following system? Co(H20)6 + Cl + heat CoCl4 + 6H20?

101. chemistry

What is the complete decay series for 241 Am: show every alpha, beta and gamma decay product. What is the reason for beta and gamma products to be in the alpha chain?

solve the following inequality 70x-51

103. chemistry

in the formula for calcium bromide (CaBr2), what does the subscripted two indicate? A. the bromide atom has a charge of 2- B. the bromide atom has a charge of 2+ C. there are two bromide atoms for every calcium atom. D. there are two calcium atoms for

104. chemistry

Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of ASA in the original solution? What is the mass of ASA in the original solution? The procedure was as follows: accurately weigh by

105. Pre-calc

Evaluate the trigonometric functions by memory or by contruscting appropriate triangles for the given special angles. (a) csc 30deg (b) sin pi/4

106. math square root

Indicate which of the following are true and which are false. for those that are false, change the UPPER-CASE expression to make the statement true. *Every integer is a WHOLE number * the quotient of two non zero numbers is always a RATIONAL number * the

107. college algebra

find the complete zeros of the polynomial function. write f in factored form. f(x)=x^3-7x^2+25x-39 please show all work. I do not understand this.

108. srinivas

How many positive integers lessthan2009 are divisible byany one perfect square greater than 1678?:

109. social studys

what is a fief?

110. math

for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x succes n=5,p=1/3, x=4

111. world geography

According to the Ministerial Conference on the Protection of Forests in Europe (MCPFEs), sustainable forest development is defined by these three criteria.

112. probabilities

A bag contains 3 green balls. 2 red balls and a white ball. A boy randomly draws balls from the bag one at a time (with replacement) until a red ball appears. Find the probability that he will make at least 3 draws.

113. math

What is the radius of a circle whose circumference is 22m,formula;C=2 pi r

114. Pschology

A developing field in psychology is called Positive Psychology. It is exploring ways to help people become happier and productive in life. Describe the field of positive psychology and provide your critique of this particular field. What does the research

115. university physics

A mass m1 = 7.65 kg, is at rest on a frictionless horizontal surface and connected to a wall by a spring with k = 67.9 N/m, as shown in the figure. A second mass, m2 = 5.29 kg, is moving to the right at v0 = 15.3 m/s. The two masses collide and stick

116. Calculus

Find the area between y=e^-x and y=4(x-x^2.

117. Algebra

Sharon Spent \$2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on lunch. She has \$12 left. How much did Sharon start with? X= X+2+(a÷2)+(b÷2)+12 Thats correct?

118. Math

A boat travels 12 miles up a river, then returns to where it started. The trip upriver took one hour longer than the return trip. If the current is 3mph, find the speed of the boat

119. Physics

A person pulls a crate with 120 N of force against 100 N of friction a distance of 5 meters. Find the energy the person expends pulling the crate, the amount of energy converted to heat via friction, and the increase in the kinetic energy of the crate.

120. algebra 11

(K+1)x+2y=6; M=k-2

121. 7th grade social studies

In the Earth's Sourthern Hemisphere, what season begins in March? Spring Summer Fall Winter

122. geometry

triangle STR is an equilateral triangle. What is the value of x if the measures of the sides ate 7x+5,4x+14, and 10x-4 ?

123. Precalculus

Solve (log x)^2 = log x Also, when will their be a possibility that an equation will have an extraneous solution? Like if you got two solutions for a log equation, will a negative solution for x automatically be extraneous?

124. maths project

in a class there are 46 students out of them 20 are girls and 26 are boys,find ratio

125. MATHS

Differntiate sin(sinx) using the product rule

126. English

1. Can you give me a rain check? 2. Can I take a rain check? 3. Can I have a frain check? 4. Can I get a rain check? (Are they all grammatical and the same? Which expression is commonly used?)

A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is a multiple of 8? Express your answer as a common fraction. I think the last 3 digits have to be divisible by 8 to be a multiple

128. Thermochemistry, calorimetry

The density of ice is 0.9168 g/cm3. The density of water is 0.9998 g/cm3. Calculate the difference between ΔU (internal energy) and ΔH (enthalpy) during the fusion of 2.5 moles of ice at atmospheric pressure.

129. probability - confused

A fair, six-sided die is rolled eight times, to form an eight-digit number. What is the probability that the resulting number is a multiple of 8? Express your answer as a common fraction. I think the last 3 digits have to be divisible by 8 to be a multiple

130. Physics

A box is being pushed to the left parallel to the x-axis by a force of 23.0 N. A rope provides a second force of 33.8 N on the box, directed to the right at an angle of 39.0 deg. from the x-axis. What is the magnitude of the net force acting on the box ?

131. math

for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x succes n=5,p=1/3, x=4

132. algebra

use the rational zero theorem to list the potential rational zeros of the polynomial function. Do not attempt to find the zeros. f(x)=2x^7-x^5+8x^4+52

133. Chemistry

Based on CaCo3 + 2HCl --> H2O + CO2 + CaCl. How many ml of 1.00 M NaOH should be used in the titration. 25ml of HCL and 750mg of Tums are combined to simulate an upset stomach.

Form a polynomial f(x) with real coefficients having the given degree and zeros. degrees 5; zeros 1; -i; 7+i please show all work. I am having a hard time understanding this.

135. Math

In addition to the clues, he says that there is a five in the tens place,a seven in the ten-millions place, and a 3 in the hundred-thousands place. What number would fit with both sets of clues

asked by yalianne sierra
136. Social Studies

1. Does only one baby blue whale drink 200 liters of its mother's milk every day? 2. Does only one African elephant eat about 200 kg of plants a day?

137. Finance

whited inc. stock sells for \$35.25 constant rate 4.50% per year required rate return is 11.50% what is stock expected price 5 years from now

138. Science 8R - help

What's the difference between kinetic and potential energy?

139. Algebra

Sharon Spent \$2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on lunch. She has \$12 left. How much did Sharon start with? X= X+2+(a÷2)+(b÷2)+12 Thats correct?

140. Maths

in the following rings find all units, Zero divisors and idompotent elements and determine whether the ring is a field. a)Z2 b)Z5 c)Z10 NB z is integers( positive or negatives including zero z is integers( positive or negatives including zero

141. physics

A balloon with a radius of 20.0 m at 6.0 oC is heated to 32.0oC. Find the new volume.

142. srinivas

If ABC is a triangle with AB, BC MEASURING p,q units respectively.Find the maximum area possible for that triangleABC

143. financial management

Suppose you invest \$2,500 in an account bearing interest at the rate of 14% per year. What will the future value of your investment in six years?

144. Social Studies 8R help!!!!

Who was the President of the Confederacy?

145. a work having to do with thanksgiving and go

unscramble this work rssatwee

146. English

What other word can i use in place of By? By its excellent magic, the orange gives you vitamin c

147. physics

Jessie exerted a force of 400N to move a box across the floor to a distance of5m in 4sec. What is his power is kilowatts? Megawatts? Horsepower?

148. math

decide on a topic which is adding more clubs for which they would like to collect data and design a survey for school which could really be used to convince the principal to do. Create 5-7 questions for the survey. Some of my questions for the survey are:

149. Physics

An 80 kg man climbs a 50 m-high hill in 20 minutes. What is the average power in watts he expends climbing the hill?

150. probability

Im not good at probability. If there are 3 choices, and 3 people can choose any of them, what are the odds of the 3 people choosing all different choices?

151. math

A customer uses a \$20 bill at a self check-out register to pay for products totaling \$14.50. The customer is concerned they did not receive the proper change. How much money should they have received back from the automated register?

152. chemistry

Reaction between H2O2 +2NaOH

153. algebra

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution? Justify your answer with an explanation or a graph. How might you explain your answer to someone who has not learned algebra?

154. science

a toy car is traveling .5 meters per second.It goes 3.5 seconds. how far did it travel.

155. Social Studies 8R help!!!!

On my study guide my teacher gave the class it says voter suppression in my textbook it says the definition of suppression is that the definition?

156. english

The identity that you stand up for can enslave you and close you to the rest of the world-murathan mungan What does this quote mean??

157. science

How are mammals and fish alike

158. chemistry

the fluoride anion always carries a charge of 1- true or false I say true

159. Chemistry

Based on CaCo3 + 2HCl --> H2O + CO2 + CaCl. How many ml of 1.00 M NaOH should be used in the titration. 25ml of HCL and 750mg of Tums are combined to simulate an upset stomach.

160. square roots

Define the square root of a given number with the use of an example.

161. Physics

A box of mass 4 kg is resting on a table 1.5 m above the floor. There is also a ledge located 5 m above the floor. Find the gravitational potential energy of the box relative to the floor, and the gravitational potential energy of the box relative to the

162. math very hard

A card is randomly drawn from a standard deck. An ace of hearts wins the grand prize; any other ace or heart wins a small prize. What is the probability of winning a small prize? Express your answer as a common fraction.

163. TRIG HELP

find the exact solutions over the interval tanx = 1 all real x

164. math

about 7 tenths of the us population in 1991 believed saying 175,104,000 to be true. what was the population?

165. Finance

calculate the future value of \$5,000, given that it will be held in the bank for five years and earn an annual interest rate of 6%

166. Physical

The pencil line is made out of carbon atoms. Assuming that the average diameter of a carbon atom is 3.49x10^-10m, how many atoms thick is the pencil?

167. English

1. Blue whales eat only krill. 2. There is a krill in the sea. 3. There are many krills in the sea. 4. There are much krill in the sea. 5. There are many krill in the sea. (Which ones are grammatical? Would you check them? Thank you.)

168. math

The graph of the polynomial function P(x) is shown. a. List the real zeros of P(x). b. List the turning points of P(x). c. State the left and right behavior of P(x).

169. Math

Assuming that each corner must be pinned, what is the least number of drawing pins that you need to display four rectangular pictures of the same size and shape so that they can all be seen?

170. maths

for what value of P are (2P-1),7 and 3Pare three consecuctive term of an AP?

asked by rohit singh
171. Chemistry

Calculate pH of NH4OH which is 1%ionized

172. Science

6. Absolute dating provides an age in years for the rocks tested. True False

173. biostatistic

recent suggestion is 60 min of exercise per day. A sample of 50 adults in a study of risk factor report exercising a mean of 38 min per day with a standerd deviation of 19 min .based on sampal data, is physical activity significantly less than recommended?

174. understanding psychology

What happens four weeks from conception and cell division?

175. Math

I have to graph a function; there's an x and y input/output chart. Should I connect the points in my graph?

176. Algebra II - Word Problem

A convenience store clerk can wait on 6 customers per minute. If customers arrive at an average rate of x people per minute, the time T spent in line is: T=1/6-x, where 0

177. algebra

an online music vlub charges \$4.75 for the first music download and \$1 for each additional download write a rule describing the total fees f as a function of additional downloads d

178. Algebra II

Find the x-value at which y=2x+5/x-3 is undefined.

179. Managerial Finance

The cost of capital for Goff Computers,Inc

180. algebra

jhon has \$15 in his account for every week he works as a bag boy he earns \$50 write an equation for the ammount of savings in his accountafter x amount of weeks.is this descrete or continuous?

181. math

Anthony earns an allowance for doing work at home .the first day he earns \$1. ,\$2. for the next two days,\$3.for the next three days and so on and so on.If Anthony keep earning money this way ,on what day will he earn \$6.?(2)Anthony saves all the money he

182. chemistry

How many atoms of iron (Fe) are present in 4.0g of iron

183. Pre calculus

Okay, I'm really fuzzy about my log and exponential chapter. For example, solving some exponential equation such as e^3x-7 x e^-2x=4e I assume I start this equation by taking the natural log of both sides, but how will I know just by looking at an equation

184. math

Divide 1.632 divided by 1000

185. Math

This is a first grade problem my sister is having trouble. It is enrichment 5-5 " at the carnival" it says how many ways can Amanda ride all 3 rides? We need help cause I don't even know it myself!

186. Chemistry

Hi, i am stuck on this question, how do I go about answering it? why are fluorine atoms normally found as part of fluorine molecules?

187. Humanities

give me the link about The Cause of The Decline of the Power of the Church

188. Physical chemistry

If a sample of AgCL is shaken with excess water and concentrated solution of sodium chloride, how would the equilibrium be affected

189. math2

how to solve 2[5a-3(4a-b)]-4[8b+5(a-2b)]

190. trig

find all the values of X between 0 and 2π such that cos(3x-π/2) = √3/2

asked by diego sanchez
191. Emily.

Find the interval(s) where this function is increase and the interval(s) where it is decreasing: g(x)=e^(-x) Any work shown would also be greatly appreciated. Thank you!!

192. chemistry

Chemical analysis of a germanium crystal reveals indium at a level of 0.03091 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Ge matrix is negligible, what is the density of free charge carriers (free

193. Psychology

Janet has been attending Killian High School for three years. At the beginning of her senior year, she enrolled in Ms. Brosham's English class. She heard from her two older siblings that Ms. Brosham was a hard-nosed, crusty teacher who did not tolerate

194. introduction to psychology

Flashcard sets with a 'rewards' term meaning 'people do not always demonstrate the behaviors that they observe. according to albert bandura, a social cognitive psychologist, what is the key to demonstrating observed behaviors?'

195. English

Please check it for me ;) "The text is about a lonely boy - Mark - son of murderer. As far as Mark's father is concerned he was drank before accident. Once upon a time when he was drunk he decided to back home by car. He should have come back by foot.

196. math

P: Solve each to four decimal places (x real and 0 in degrees) 5 cos x - 2 = 0, 0

197. 15-75-90 triangle??

what is the formula for these triangles ?

198. chemistry

why do beryllium and flourine combine in a 1 : 2 ratio ?

199. math

Solve each equation by testing the given values for a variable y-9=11 y=18, 19, or 20

200. English

If there is much running water from the faucet, the water becomes lukewarm. So you should turn down the faucet a little so that it has little running water, and then the water will become more warm or hot. Then the baby in the bath tub will not feel cold.

201. pre-calc help !!!!!!!

#1 cos x+sec x=2 #2 (1+tan x)^2= 2 tan x+2 #3 cos^2x-sin^2 x+1=cos x please show all work & thanks

202. social studies

Type a short character sketch of a fictional Puritan named Justice Johnson based on what you have learned about the Puritans. Make certain that you describe how he dresses, how he lives, what he believes, how he spends his time--in short, describe him so

203. eng

is the sentence: "By using a statement that began with 'I,' Ramon was able to state his feelings clearly." a simple sentence or a complex sentence?

204. physics

Jessie exerted a force of 400N to move a box across the floor to a distance of5m in 4sec. What is his power is kilowatts? Megawatts? Horsepower?

205. physics

Jessie exerted a force of 400N to move a box across the floor to a distance of5m in 4sec. What is his power is kilowatts? Megawatts? Horsepower?

206. Physics

Two Peaches, Two Seconds, One Roof: A peach is thrown straight up from the edge of the roof of a building. A second peach is dropped from the roof 2s later. a. If the height of the building is 60m what must the initial speed of the first peach be if both

207. math

what times 60 equals 5076

208. engineering

Determine the resultant force and its inclination with ox

asked by Tronick a'gitok
209. pre-calc help !!!!!!!

cos^2x-sin^2 x+1=cos x

210. algebra

A roast chicken is done with the temperature of the thigh meat is between 165 and 175. Write a compound inequality to represent the temperature at which a roast chicken is done.

211. Physics

A ball is thrown straight up in the air at an initial speed of 30 m/s. Using conservation of energy, find the maximum height of the ball.

212. math

A customer uses a \$20 bill at a self check-out register to pay for products totaling \$14.50. The customer is concerned they did not receive the proper change. How much money should they have received back from the automated register?

213. math

A customer uses a \$20 bill at a self check-out register to pay for products totaling \$14.50. The customer is concerned they did not receive the proper change. How much money should they have received back from the automated register?

214. math

for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x succes n=20,p=1/8, x=2 I know the answer but I do not know how to get to that. Answer is 0.268 should I reduce fraction?

215. sound and hearing

An excited child in a campground lets out a yell. Her parent, 1.31 m away, hears it as a 89.3-dB sound. A climber sits 701 m away from the child, on top of a nearby mountain. How loud does the yell sound to the climber? (in dB) A: 34.731 dB this is my

216. Grammar

Can you put (grin) in a sentence where it acts as direct object?

217. physics

Jessie exerted a force of 400N to move a box across the floor to a distance of5m in 4sec. What is his power is kilowatts? Megawatts? Horsepower?

218. Physics

he graph of the velocity of a mass attached to a horizontal spring on a horizontal frictionless surface as a function of time is shown below. The numerical value of V is 5.48 m/s, and the numerical value of t0 is 8.97 s. a) What is the amplitude of the

219. pre-calc

(1+tan x)^2= 2 tan x+2 please show all work

don't know

221. ENGLISH

Can someone tell me what is Elite tourism?

Find a bound on the real zeros of the polynomial f(x)=x^4+4x^3-8x-6 can someone help me, I am confused and don't know where to start.

223. square roots

Describe the Number systems used in mathematics with the use of subsets of the real number system.

224. science

which household items contain acids?

asked by aqsa khan
225. college algebra

Solve the inequality algebraically 11x-3¡Ý-4x^2

226. pre-calc

cos x+sec x=2 if you could please show all work

227. math

is 004.15 more than 010.1

228. math

23/24-15/24

asked by jaelah mays