# Questions Asked onNovember 9, 2016

1. ## Math

1. Name one pair of congruent angles. (1 point) ∠PQR and ∠VST ∠PRQ and ∠SVT ∠RQP and ∠TVS ∠QPR and ∠STV 2. Name one pair of congruent sides. (1 point) Segments PR and SV Segments QR and ST Segments RP and TS Segments PQ and VS 3. Which

2. ## A comparison and contrast essay uses which of the

1. A comparison-and-Contrast essay uses which of the following elements? (Select all that apply) A. two subjects that are similar and different B. an opinion to change the readers mind C. supporting factual details D. the relationship between cause and

4. ## Physics

A jet plane traveling 1890 km/h (525 m/s ) pulls out of a dive by moving in an arc of radius 5.20 km What is the plane's acceleration in g's?

5. ## LA JUmpstart

Consider the main characters from "Stolen Day" and "The Night the Bed Fell." In a paragraph, discuss which character learns the most and which one learns the least. Use details from the selections to support your ideas. Use the reading selections to help

6. ## physics

a car with a mass of 1.50 x 10^3 kg starts from rest and acceleration to a speed of 18.0 m/s in 12.0 s. Assume that the force of resistance remains constant at 400.0 N during this time. What is the average power developed by the cars engine

7. ## American Government

1. How do parties typically ensure the good performance of their candidates? -They dictate how their candidate governs once he or she is in office. -They make sure their candidates are of good character and are qualified for public office. -They petition

9. ## World History

If someone could check these that'd be great ;o;

10. ## Civics

what does civic mindedness primarily encourage people to do? .to speak their minds about issues honesty .treat other citizens with respect .to pay attention to government affairs .to study the history of the US I don't know this is from connections Academy

11. ## SOCIAL STUDIES HELP

How did the Indian Removal act go against Worcester v. Georgia ruling? A) it extended a military campaign against Native American people who had farm land B) it nullified all prievous treaties that protected the interests of Georgians against cherokees****

12. ## Math

The sum of two numbers is 82. The difference is 16. What are the two numbers?

13. ## math

Russ is putting his vacation photographs in an album that is 12 1/8 inches long and 10 1/4 inches wide. Should he trim the edges of the photographs to 12 inches long and 10 inches wide or to 12 1/2 inches long and 10 1/2 inches wide?

14. ## physics

A 400-gram package lying on a horizontal surface is attached to a horizontal string which passes over a smooth pulley. When a mass of 200 grams is attached to the other end of the string, the package is on the point of moving. Find the coefficient of

15. ## Math

When a number is a multiple of 6. What are the possible values for the ones digit?

16. ## L.A

Restate the theme you selected in the previous question. Support that theme with two details from Anna's Secret Wish Anna's Secret Wish by Joan Lowery Nixon and Eileen Nixon McGowan Bright ribbons of color danced and swirled in Anna's mind. She imagined

18. ## social studies

What allowed settlers to establish a colony in Texas? How did the interaction between the settlers in Texas and the Mexican government develop and change over time? How do you think the perspectives of the Texas settlers and the Mexican government would

19. ## Math

Roberto wants to reduce a drawing that's is 12 inches long by 9 inches wide.if his new drawing is 8 inches long. How wide will it be

20. ## Math

How do you write 1,840 in scientific notation?

21. ## MATH

An inch on a map represents 200 miles. On the same map, a distance of 375 miles is represented by? A. 1 1/2 inches B. 1 7/8 inches C. 2 1/4 inches D. 2 3/4 inches Thank you for your help.

22. ## MATH

Consider F and C below. F(x, y, z) = 2xz + y2 i + 2xy j + x2 + 15z2 k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C

23. ## Math

Write a polynomial of the lowest degree with real coefficients and with zeros 6-3i (multiplicity 1) and 0 ( multiplicity 5)

24. ## CALCULUS

At noon, ship A is 130 km west of ship B. Ship A is sailing east at 30 km/h and ship B is sailing north at 20 km/h. How fast is the distance between the ships changing at 4:00 PM?

25. ## physics

A 5kg box on a horizontal table is pushed by a horizontal force of 15N. If the coefficient of friction is 0.4, will the box move? what is the smallest force that could make the box slide along the table?

26. ## Math

A postal service says that a rectangular package can have a maximum combined length and girth of 108 inches. The girth of a package is the distance around the perimeter of a face that does not include the length. a. Identify an inequality that represents

27. ## English

If you suspect that readers are interested in your topic, you may choose a _______ method of organizing your essay.

28. ## Ms. Sue Helpppp!!

In this unit, you learned about different types of numbers that make up real numbers. Note the different types of numbers and provide two examples of each. Which of the number types is easiest for you to identify? Why? Can you plz Help Ms. Sue?

29. ## The Tangent Function

Bobby is standing near a lighthouse. He measured the angle formed from where he stood to the top of the lighthouse and it was 30 degrees. Then he backed up 40 feet and measured the angle again and it was 25 degrees. Solve the height of the lighthouse.

30. ## Math

Consider F and C below. F(x, y, z) = (2xz + y2) i + 2xy j + (x2 + 15z2) k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C

31. ## Physics

two charges of 40 microc and -20 micro c are placed at a certain distance apart. they are touched and kept at the same distance.the ratio of their initial to the final force between them is

32. ## math

The graph shows the heights, y (in centimeters), of a plant after a certain number of weeks, x. Shania drew the line of best fit on the graph. A graph titled Plant Height shows Number of Weeks on x axis and Height of Plant in cm on y axis. The scales on

33. ## Math Check

1. What is 2.28 x 10^-8 in standard form? a. 228,000,000 b. 22,800,000 c. 0.0000000228 d. 0.000000228 Either c or d... I forgot. 2. A player has 37 hits in 192 times at bat. Write the player's batting average as a decimal. Round to the nearest thousandth.

34. ## Clinical chemistry

Why do we use normal saline to dilute serum instead of distilled water ?

35. ## Math

Susie has eight pieces of string. Each string measures 6.5 inches long. How many inches of string does Susie have altogether

36. ## math

Nine friends share 12 pounds pecans equally. how many pounds does each friend gets equally?

37. ## Algebra

Three fourths of a number increased by 4 is at most 19

38. ## Math

Susie has eight pieces of string. Three pieces are 7.8 inches long, and five pieces are 9.2 inches long. How many inches of strength does Susie have altogether?

39. ## Chem1020

Consider the following balanced equation. 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table, showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of

40. ## Math - APPRICIATE ALL HELP!

Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, HCF). When graphed, the function gives a line with a slope of 1.75. If the monthly bill fro 24 HCF is

41. ## Physics

A brave but inadequate rugby player is being pushed backward by an opposing player who was exerting a force of 800 Newtons on him. The mass of the losing player plus the equipment is 90 kilograms and he is accelerating at 1.2 meters per second backward.

The center of dilation is (0,0) and the scale factor is 7. If A(3,4), then which is the distance between A and A'. A. 5 B. 7 C. 30

The length of a rectangle is 5 more than 3 times the width. Write and solve ad equation to find the width(w) if the length is 12.5cm 12.5= 5 + 3w w=2.5cm is this correct? thank you.

asked by judy/check my work thank you
44. ## English

As a strategy for narrowing the topic for an essay on animal medicine, Felecia imagines interviewing a veterinarian. Which method of generating ideas is she using?

45. ## Physics

A bullet fired in a horizontal direction with muzzle velocity 300m/s. In the absence of air resistance, a) how far will it have dropped in travelling a distance of 20m. b) how far will it have dropped in one second

46. ## 9th grade algebra (completing square)

Can you check the following? A1. (2x + 3)^2 = 25 sqrt(2x + 3)^2 = +-sqrt(25) 2x + 3 = +- 5 2x + 3 = 5, 2x + 3 = -5 2x = 2, 2x = -8 x = 1, x = -4 {-4, 1} A2. x^2 + 14x + 45 = 0 x^2 + 14x + __ = -45 + __ x^2 + 14x + 49 = -45 + 49 (x +7)^2 = 4 sqrt(x+7)^2 =

47. ## Math

How many volleyball games would Rana have to schedule if there were 10 teams in the league and each team played each other twice?

48. ## Math

the ratio of the base of an isoceles triangle to one of the legs if the base is 10cm long and the leg is 4 cm less than twice the length of the base

49. ## English

Using _______ to support your thesis enhances your credibility and demonstrates to readers that you've taken the time to investigate and become knowledgeable about the topic.

50. ## Chem 1020

calculate how many moles of the product form when 2.57 mol of Na completely reacts. Assume that there is more than enough of the other reactant. 2Na(s)+O2(g)→Na2O2(s)

51. ## Chemistry

For the reaction, calculate how many grams of the product form when 3.0 g of Mg completely reacts. Assume that there is more than enough of the other reactant. 2Mg(s)+O2(g)→2MgO(s)

52. ## math

7. A certain strain of bacteria doubles every 6 minutes. Assuming that you start with only one bacterium, how many bacteria could be present at the end of 84 minutes (round answer to the nearest bacteria)?

53. ## Programming

Develop a Java application that will determine the gross pay for each of three employees. The company pays “straight line” for the first 40 hours worked by each employee and pays “time and a half” for all hours worked in excess of 40 hours. You are

54. ## Math algebra

David Robertson works as a chemical engineer for U.S. peroxide Corporation. David has 2500 gallons of commercial-grade hydrogen peroxide solution that is 60% pure hydrogen peroxide. How much distilled water(which is 0% hydrogen peroxide) will David need to

55. ## algebra 2

The graph shows a probability distribution. Which probabilities are equal to 0.3? Select each correct answer. P(X≥3) **my choice P(5≤X≤8) P(X≤3) **my choice P(3≤X≤5) **my choice it has a graph but i don't know how to attach to here please help

56. ## Physics

How much energy W needed to compress a spring from 15 cm to 10 cm if the constant of the spring is 150 N/m.

57. ## Scientific Notation

What is the solution to (3 x 10^2) x (5 x 10^5), written in scientific notation? a. 1.5 x 10^8 b. 15 x 10^8 c. 1.5 x 10^7 d. 15 x 10^7 ***?? Thank you for the one last time. I appreciate it. :)

58. ## algebra

At the start of an experiment, there are 100 bacteria. If the bacteria follow an exponential growth pattern with a growth rate of 2%, what will be the population after 5 hours (round to the nearest bacteria)?

59. ## Calculus

In 1626, Peter Minuit traded trinkets worth \$24 to a tribe of Native Americans for land on Manhattan Island. Assume that in 1990 the same land was worth \$25.2 billion. If the sellers in this transaction had invested their \$24 at 7% annual interest

60. ## Physics

A 1500 kilogram car skids to a hold on a wet road where the coefficient of kinetic friction is 0.5. How fast was the car traveling if it leaves 65 meter long skid marks?

61. ## Physics

Hooke's law states that the distance, d, a string is stretched varies directly with the force, F, applied to the spring. If a force of 12 pounds stretches a spring 3 inches, how far will the spring stretch when a force of 30 pounds is applied?

62. ## MATH

I can't figure out some of them, and I need help! m - 7 < 6 1. m< -13 ** 2. m< 1 3. m< -1 4. m< 13 n - 8 > 5 1. n> 13** 2. n> 3 3. n> -3 4. n> -13 p + 5 < 10 1. p < -15** 2. p < 5 3. p < 15 4. p < -5 The science class is taking a trip to the science

63. ## PHYSIC

A BALL THROWN WITH A SPEED OF 100M ATTAINS A HEIGHT OF 150 CALCULATE (A) THE TIME OF FLIGHT (B) RANGE (C) THE ANGLE

64. ## physics!!!!

There is a two member dog sled team pulling with all their strength in the middle of a snow storm. Dog A is pulling with a force of 178 N at 15ð‘œ and Dog B is pulling with 225 N at âˆ’10ð‘œ . The sled and gear weigh 980 N and has a

65. ## Physics

A raft is made of 15 logs lashed together. Each is 30.0 cm in diameter and has a length of 7.00 m. How many people (whole number) can the raft hold before they start getting their feet wet, assuming the average person has a mass of 66.0 kg? Do not neglect

66. ## pre-algebra

t takes 1 cup of liquid fertilizer to make 7 1/2 gallons of spray. how much liquid fertilizer is needed to make 80 gallons of spray? Plzzzzzzzz help me its really hard for me

67. ## chemistry

What is the molar solubility of silver carbonate, Ag2CO3?

68. ## physics

Blood flows in an aorta of radius 4.12mm at 35.0cm/s. Calculate the volume flow rate. Although the cross-sectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total cross-sectional area is much larger.

69. ## Math

The ratio of weekend days to weekdays is 2 to 5. What fraction of the week consists of weekend days?

70. ## English

How to write a going to celebrate your birthday with a big theme party at home.write an invitation card for your friends inviting him /her to the party

71. ## English

Elliot has created a paragraph-by-paragraph outline that consists of a few key words or phrases this type of outline is known as a _______ outline.

72. ## Algebra

a child at the birthday party was given \$5 to spend at the arcade on games and rides. Each game costs \$.25 and each ride costs \$.50. Write an inequality for the number of games and rides a child can enjoy for \$5. What is the maximum number of games or

73. ## math

Mr cruz finds that he can travel 12 km per liter of gasoline. After the tune up of his engine, he uses only 4/5 as much gasoline. how much farther in km can he now ride on one liter of gasoline?

74. ## Physics

A clock has a second hand which rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the hand is 0.0020 N and the length of the hand is 8 cm, what minimum torque must be supplied to the hand by the

Use Green's Theorem to evaluate C F · dr. (Check the orientation of the curve before applying the theorem.) F(x, y) = y2 cos x, x2 + 2y sin x C is the triangle from (0, 0) to (1, 3) to (1, 0) to (0, 0)

76. ## Math

The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour

77. ## maths need help

simplify without using calculator,table and surd sqrt(18)

78. ## Math

ben paid \$900 for a sofa. The price of the sofa Juana purchased was 2/3 the price that Ben paid. How much did Juana pay for her sofa?

79. ## maths

If a loan was repaid by monthly payments of \$9230.00 in 7.5 years at 6.15% compounded annually, how much interest was paid?

80. ## Math

Hector baked a cake for his moms birthday. It is in the shape of a rectangle 16 inches long and 12 inches wide. He plans to put a candle at each corner and spaced 4 inches apart along each side. How many candles will he need?

81. ## Math

The square root of 1 less than twice a number is equal to 2 less than the number.Find the number.

82. ## Physics

Water at a pressure of 4.20 atm at street level flows into an office building at a speed of 0.65 m/s through a pipe 6.60 cm in diameter. The pipes taper down to 2.20 cm in diameter by the top floor, 28.0 m above. Calculate the water pressure in such a pipe

83. ## math

When the price of an article is reduced by 5/8 of its former value, the number of article sold is increased to 32/27 of the original amount. The present daily revenues is what fraction of the original?

84. ## Chem 1020

Please help me!!! For the reaction, calculate how many grams of the product form when 3.0 g of Cl2 completely reacts. Assume that there is more than enough of the other reactant. 2Na(s)+Cl2(g)→2NaCl(s)

85. ## math

Carbon-14 has a half-life of 5730 years. How long will it take 17 grams of carbon-14 to be reduced to 10 grams? Round to the nearest integer.

86. ## Calculus

Which of the following would be the best first step when solving the following system using the substitution method? x - y = -4 ; x + 2y = 5 a. x = -4 - y b. x = -4 + y c. 2y = 5 - x d. 2y = 5 + x

87. ## Natural science

Why are the coldest temperatures at the lowest 50 km height from the surface of the Earth, occur generally at tropical tropopause?

The length of a rectangle is 3yd less than twice the width, and the area of the rectangle is 65ydsquare. Find the dimensions of the rectangle.

89. ## Finance

I believe the correct answer is C. If someone could please double heck for me. Trina gave her nephew Roy 100 shares of HLM Corporation stock that she purchased 6 months ago for \$10,000. At the time of the gift, the fair market value of the stock was

90. ## math

Calculate the compound interest on 7400 in 4years at 6percent p.a if the Interest is calculated every 3months

91. ## Math

What is 179 divided by 8 in 4th grade term? Also I have to do it in long division so I need help with that to!! Thx bye

92. ## Physics

Blocks with masses of 1 kilogram, kilogram, and 3 kilogram are lined up in a row on a frictionless table. All three are pushed forward by a 12 Newton Force applied to the 1 kilogram block. Draw a free body diagram of all 3 blocks. How much force does the 2

93. ## Geography

There are two high tides and two low tides why

94. ## Science

Four resistance each of 8 ohm are connected to a square. The resistance between any two diagonally opposite terminals will be ?

95. ## Math

How do I write this as a equation? Two years if local internet cost \$685, including the installation fee if \$85. What is the monthly fee?

96. ## Math

Sam's cat can run 45 feet per second about how fast is that in miles per hour

97. ## MATH - HELP PLEASE

The length of a rectangle is 3yd less than twice the width, and the area of the rectangle is 65ydsquare. Find the dimensions of the rectangle.

98. ## physics 101

You drive your car at a speed 40km/h for 1 hour, then slow down to 30km/h for the next 20km. How far did you drive, and what was your average speed?

99. ## English

I must write an essay based on the following question: compare the role of christy smith in helping Larry regain his memory in Somewhere in the night with the role of Margaret in helping Chris regain his memory in the return of the soldier. My thoughts are

100. ## math

Point A (6, -2) is reflected over the x-axis. Write the coordinates of A.

101. ## plz..chemistry help

One mole of solid NH4Cl (s) isvheated in a closed box to decompose it partially according to the following reaction: NH4Cl (s) NH3 (g) +HCl (g) A) calculate Kp of the above system at the temperature of the experiment if the partial pressure of ammonia at

102. ## Help?? Chemistry?

If it takes 20.0 mL of 1.200 M KOH to neutralize 60.0 mL of a given H3PO4 solution, what is the molarity of this phosphoric acid solution? I've figured out that the neutralization of phosphoric acid by the addition of potassium hydroxide in aqueous

103. ## chemistry

One mole of solid NH4Cl (s) isvheated in a closed box to decompose it partially according to the following reaction: NH4Cl (s) NH3 (g) +HCl (g) A) calculate Kp of the above system at the temperature of the experiment if the partial pressure of ammonia at

104. ## english

Identify the subject, object, and verb in this sentence: Paralegals must have good ethics.

105. ## history

Were the European governments ( Britain and France) Justified in their decision to create mandates in the Middle East at the end of World War 1 ? I need as much details as possible!

106. ## Physics

A quarterback throws a spiral to a receiver that is 40m away. The football has a spin of 14 rev/s and went through 58 revolutions before being caught. if the ball is caught at the same height it was thrown at, at what velocity and at what angle should the

107. ## Math

For f(x) = 3x + 4 and g(x) = x - 1. Calculate (f o g)(x). For f(x) = 3x + 2 and g(x) = x². Calculate (f o g)(-2). Consider the function. f(x)= -2x+1. Find the inverse of f(x). Please help! How do I solve this?

108. ## PE

Which is a safety consideration for weight training? A. Concentrate on strength when beginning a program. B. Go through the complete range of motion to increase flexibility. C. Smaller muscles should be exercised first. D. Warm-up is not important. Thanks!

109. ## Physics

Two parallel straight wires are 1 meter apart. Each wire carries a current of 2 Amperes in the same direction. What is the resultant magnetic field produced by both wires at a point: 2) 1/4 of the distance between them I don't really understand what 2 is

110. ## Can someone Help w/Math

Data released by the Department of Education regarding the rate (percentage) of ninth-grade students that don't graduate showed that out of 50 states, 16 states had an increase in the dropout rate during the past 2 years. 18 states had a dropout rate of at

111. ## math

Ana and john are salespeople at store.If they made 36 sales one day and john sold three less than twice Ana's sales total,how many did john sell?

112. ## math

lola is mowing lawns she mows 2/3 every 1/2 hour, how many lawns does she mow in 6 hours

113. ## Chemistry

What mass of water is needed to completely react a 8.1 g packet of magnesium

114. ## Finance

When Steve and Roslyn retire together they wish to receive \$40,000 additional income (in the equivalent of today’s dollars) at the beginning of each year. They assume inflation will be 4% and they expect to realize an after tax return of 8%. Based on

115. ## algebra

Laila was 1/4 as young as Kiran five years ago.If the sum or their ages is 110 ,how old is laila?

116. ## Math

What percent of each selling price is the. 10 cents tax collected by the federal government

117. ## Chemistry

1.000 grams of KHP consumed 43.3 mL of KOH solution. What is the molarity of the KOH solution?

118. ## Math

Find each angle of a parallelogram if its two consecutive angles are in the ratio of 1 : 3.

119. ## math

im thinking of a number. i add 12. i double it. I subtract 8. I halve the number. I get 12 . Whats my number?

120. ## Math

Write 3^2 x 3^-3 x 3^6 as a single exponent is A.) 3^4 B.) 3^5 *** C.) 3^11 D.) 27^5

121. ## SOCIAL STUDIES

Did the MINANGKABAU interact with others as their culture developed ?

122. ## math

Ana and john are salespeople at store.If they made 36 sales one day and john sold three less than twice Ana's sales total,how many did john sell?

123. ## maths

Suppose that you want to buy a house 5 years from now, and you estimate that an initial down payment of \$30,000 will be required at that time. To accumulate the \$30,000, you wish to make equal annual end of year deposits into an account paying annual

124. ## Physics

A tennis ball is thrown with a velocity of 30m/s at an angle of 60^ of the horizontal calculate the time,m/s,and the range

125. ## english

what are the 8 paragraphs in the story: my bondage and my freedom by Fredrick douglass

126. ## Physical chemistry

Find ΔG and ΔA for the freezing of 1.00 mol of H20 at 0°c and 1atm. At 0 ° C and 1 atm the density of ice and liquid water are 0.917 g / mL and 1 g / mL, respectively.

127. ## Composition of Functions

1. Find (f·g)(x) where f(x) = 1/x²+3 and g(x) = √x-2. a) (f·g)(x) = 1/x-2 b) (f·g)(x) = 1/√x-2 +3 c) (f·g)(x) = √-2x²-5/x²+3 2. Find (g·f)(x) where f(x) = x²-2 and g(x) = 5x-8. a) (g·f)(x) = 5x²-18 b) (g·f)(x) = 5x²-4 c) (g·f)(x) =

128. ## math

How many kgs of concrete containing 14% cement must be mixed with 150kgs of concrete with 6% to create a mixture that is 11% cement?

129. ## math

A plane travels at a rate of 425 miles per hour. Write an expression to show the distance it travels, if t represents hours.

130. ## Math comparing

One box holds 16 crayons.Another box holes 24 crayons.Write a sentence using words that compares the crayons in two boxes.

131. ## calculus

Tom buys a rare stamp for \$500. If the annual rate of inflation is 4%, how much should he ask when he sells it in 5 years in order to break even?

132. ## Math

a committee of 5 has to be chosen from a group of 4 democrats and 5 republican staff how many different ways can the committee be selectedYou

133. ## Math

There are blue red and green buttons in a box. The ratio of blue to red buttons is 3:4. There are 12 more green buttons than blue buttons. 6 blue buttons and 1/3 of the green buttons were removed from the box. The number of buttons removed were replaced by

134. ## Math

Write an equation to model: The temperature of hot water placed in the freezer is 80 'C and it decreases at a rate of 8' C per hour

135. ## To: Writeacher or any other english helper

I had posted a question earlier about my essay but have received no help? is there no one who can help me? If you haven't seen the movie or read the book then i understand but please help if you can, really appreciated:)

136. ## Algebra 2

The sum of 3 numbers is 42 The sum of the first number and the third number +2 = the second number The third number multiplied by 2 is equal to the sum of the first and third number Can someone help me solve this? Questions like these make my brain hurt, I

137. ## Algebra

The following functions are defined for all real values of x. Find the range of the funcion. 1) y=m^2-4m-5 2) y=-9v^2-18v-55. Thank you for your help. (Please step by step.

138. ## algebra connections

8. The population of Grand City in 1990 was 5,250. Assume the population is increasing at 2.5% per year. What was the population in Grand City in 2010 (round answer to the nearest person)?

139. ## math

6kgs of a dried fruit mixture which coat 300per kg and 1.5kgs of nuts costing \$700 per kg are mixed together. What is the cost per kg of this mixture?

140. ## calc

Sketch the regions represented by the following integrals and evaluate them using geometric formulas. 4 integral 1: 2x+3dx 6 integral -2: lx-1l dx (absolute value of x-1

141. ## science

when two equal forces of f1 and f2 making an angle of 180 degree with each other the magnitude of their resultant is ................?

142. ## English

Welcome to Dokdo. We are dokdorang, the characters of Dokdo. --------------------------- 1. What is the character of Dokdo? It is Dokdorang. 2. What are the characters of Dokdo? - They are Dokdorang. 3. What are the characters of Dokdo? - They are

143. ## Math

Key:8 | 3= 8.3 what does 7|2 mean in the same stem and leaf plot

144. ## Physics

A certain number of identical resistors are connected in series and their total resistance is measured. When the resistors are disconnected and re-connected in parallel, their total resistance drops to one-percent of the value measured when they were

145. ## Math

Write an equation to model: The temperature of hot water placed in the freezer is 80 'C and it decreases at a rate of 8' C per hour

146. ## MATHS

ABCD IS A TRAPEZIUM SUCH THAT AB IS PARALLEL TO EF & CD. IF E IS THE MIDPOINT OF AD , AB =3CM AND CD=5CM, FIND EF.

147. ## math

One third of the boys and one half of the girls participate in a social work. If the number of participating students is 300 out of which 100 are boys,what is the total number of students?

148. ## Science

Why are the water molecule bonds at an angle and not straight like the CO2?

149. ## Math

The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour

150. ## science

a bullet is shot from a springfield rifle with a speed of 3,015 ft/s. assuming the bullet moved at a constant velocity, what is the time required for the bullet to strike a target 4,146 meters away

151. ## math

Two sides of a triangle measure 3cm and 8 cm which of the following could be the perimetre of a triangle

152. ## computer science

what are the advantages and disadvantages if bitmap graphics? I really need help ASAP

153. ## Physics

For the object in the preceding problem, what magnitude torque is necessary to give the object an angular acceleration of 1.5 rad/s^2 a) along the x-axis? b) along the y-axis? c) along the z-axis (perpendicular to the page, passing through the origin)?

154. ## math

For each of the following,write three more like fractions: 1/9,5/9,7/9,_,_,_

155. ## Algebra- Word Problem

Ms.Speedi has 40 pets, all birds and cats. One day she figured out that there was a total of 56 legs. How many of each animal does she have? I did the equation x+y=40, 4x+2y=56. I did everything correctly and got (-12,52) but you can't have -12 cats. Is

156. ## statistic

Find the area inder the normal distribution between z=-1.85 and z=2.35?

157. ## algebra 1

the length of a rectangle is equal to double the width find the length ll and the width w of the rectangle if the perimeter is 76cm

158. ## Math

Suppose a tunnel is 44 feet wide and 22 feet high is in the shape of a parabola. A) Determinate an equation, f(x), of a parabola to represent this situation and B) provide a graph to support your work. Suppose lanes pass trought the tunnel that are each 12

159. ## Maths

An athlete takes 2 minutes and 15 seconds to jog around a 400m running track. At this speed, how long will it take them to run 12km

160. ## Math

Write the expression using an exponent. 4^2 - (2 • 2^4) a -16 b 30 c -240 d 224 (-3)^3 a 0 b -9 c -27 d 27 37 • 5^2 - 9 • 4^2 a 9,472 b 781 c 256 d 2,816

161. ## maths

6 pieces of wire each measure 9cm find the total length of the pieces in mm

162. ## Calculus AB

I'm not sure how to go about this problem: Find the equation of the line tangent to the curve x^2 + 2xy + y^3 = 4 at y=1 in the 1st quadrant.

163. ## Math

Write an inequality to represent the sentence. 1.A number y is no more than Ã¢Ë†â€™8. 2.A number tt multiplied by Ã¢Ë†â€™4 is at least Ã¢Ë†â€™25.

164. ## Calculus

Given 4∫8 (4 on top, 8 on bottom) f(x)dx= 12 and 4∫8 g(x)dx= 5. Evaluate the following: 4∫8 [2f(x)-3g(x)]dx Would I just put 12 in for f(c) and 5 in for g(x) then solve?

165. ## Maths

A length of timber is to be cut into 7 pieces using a hand saw. How many cuts will need to be made

166. ## Pre Calc

Sima wishes to accumulate \$60000 in five years. She invests twice that amount in a fun that earns 7.2%, compounded quarterly. How much does she invest in each fund.

167. ## Science

A 75kg guy base jumped from a cliff in Norway. A 100N air resistance force acted on him. What was his downward net force before pulling the parachute?

168. ## math

The length of the rectangle is 12 ft. What is the perimeter if the width is 42 inches?

169. ## Science

Explain where the sun and planets are located in relation to one another.

Given b=10, angle B=48 degrees, angle C=58 degrees, find c Do I use the law of sine or cosine?

171. ## English

In the sentence

172. ## math

how many ways are there to distribute a)6 indistinguishable marbles into 6 distinguishable bowls b)12 distinguishable marbles into 6 distinguishable bowls c)12 distinguishable marbles into 6 disinguishable bowls so that two marbels are placed in each bowl

x^2 = 64 x=?

174. ## Chemistry

Given 1 cc of Zinc and 1 cc of Cr What is the mass difference?

175. ## Chemistry II

Calculate the volume of oxygen at 10 degrees Celsius and 1.6 atm pressure that can be produced by decomposing 128g of hydrogen peroxide

176. ## Algebra 2

The sum of a few numbers if 30, the first number is 2 less than the second, and the third is 4 less than the first. What are the order of numbers and what are the numbers? This is a post by one of my classmates that I'm supposed to solve. I'm probably

Solve 5x^-5/x^-4x+3. THANK YOU!

178. ## math

The number of days, d, it takes for a construction crew to repave a certain road varies inversely as the number of workers, w, that work on the project. So my equation is d = k/w If w = 16, how do I find d? d = k/16 Also, why is Y = 2x^2 + 3√x not a

179. ## Science - Electrochemistry

In an experiment 0.0500 M AgNO3 was used to titrate 20 mL of 0.12 M NaCl solution. When silver electrode is used together with the pH electrode to measure potential at each point during the titration, the potential measured at equivalence point is 0.055 V.

180. ## Maths

The two 4's in the number 420.41 have different values. What is the difference in their values?

181. ## Maths

Write down a number whose value lies between 5.14 and 5.15

182. ## Rate of Change -Math

Emily works at a fitness centre and receives a base pay of \$20 per day, plus a bonus of \$5 for each trial pass she gives away. Define your variables.

183. ## english

'Agape is the highest form of love' Give two arguments with counter arguments to show you have considered more that one point of view. I need help ASAP

184. ## Chemistry

Calculate the new molarity of a 20.0 mL sample of 0.550 M CaCl2 solution that is diluted with water to make 250 mL of solution.

185. ## History

Where are the econimic centers in the northeast

186. ## math

Square root of 144+6'2

187. ## English

1. Can people send letters to the people on Dongdo? Yes, they do. There is a postbox on Dongdo. 2. When was Dokdo first recorded as part of Korea? It was first recorded as part of Korea in the 500s. 3. What is the temperature on Dokdo? It is around 12 C.

188. ## math

please help me with this question. I just can't figure it out. A cylindrical jar of radius 6cm contains water. How many iron solid spheres each of radius 1.5cm are required to immerse into the jar to raise the level of water by 2cm?

189. ## english

what are the layers of analysis for 'if i'll why hath it given me earnest of success?' from act 1 scene 3 MACBETH SHAKESPEARE. thank-you.

190. ## math

on a sunny day, the sun ray meet the ground at an angle of 35 degrees. a pole casts a shadow 21.3m in length. how tall is the pole.

191. ## maths help

root(18) simplify without using calculator&surd&table thanks step

193. ## Calculus

find the angle between u=7i+2j and v=-4j

194. ## Math

I have a ribbon 5/7 of a foot. I want to cut it in 5/12 pieces. How many pieces can I cut 5/7 divided by 5/12= 5/7 x5/12= 15/7 pieces

195. ## Math

The temperature at 8:00 a.m. was 46°F. By 1:00 p.m. it was 18° warmer. Which equation would help you figure out what temperature it was at 1:00 p.m.?

196. ## math

11 per hour 39 hours worked 6 hours at time an half

197. ## Math

Tim has 5 times as many stamps as rylis.. They have 1038 stamps in all.. How many more stamps does Tim have than rylis?

198. ## math

In a school 1/6th of the girls and 1/7th of the boys took part in a camp.what fraction of the total number of students took part in the camp?

use a grid and lengths of line segements to give a geometric aregument

Find all real zeros of the function: f(x)=-2x(x^-16)(x-3) I appreciate all help. Thank you.

201. ## math

One side of a square is 2x + 5 centimeters long. The area of the square is ax^2 + bx + c square centimeters. What is the value of a + b + c? I litteraly dont undestand this problem at all please help me and guide me throught it.

202. ## algebra

Find the slope of the line that passes through (-2,-3) and (1,1) 1/3 1 2***** 4/3 For the equation -4y=8x what is the constant variation? -4 -2**** 1 2 Please check my answers

203. ## Science

An object of mass 50 kg moves with a speed of 10m/s. Calculate the kinetic energy of the object?

204. ## Math

Plz help me what dose underestimate mean ps in 5th grade

205. ## Marh

What is 3 pints to 15 pints?

206. ## Trig

find the angle between u=7i+2j and v=-4j