# Questions Asked onSeptember 18, 2013

1. ## calculus

Find complete length of curve r=a sin^3(theta/3). I have gone thus- (theta written as t) r^2= a^2 sin^6 t/3 and (dr/dt)^2=a^2 sin^4(t/3)cos^2(t/3) s=Int Sqrt[a^2 sin^6 t/3+a^2 sin^4(t/3)cos^2(t/3)]dt =a Int Sqrt[sin^4(t/3){(sin^2(t/3)+cos^2(t/3)}]dt=a Int

2. ## Classical Mechanics

Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=5.0 m above the throw point. In addition, she knows that she needs t1=4.0 s between successive throws. Assuming that she

3. A hot air balloon is at a height of 2,250 feet. It descends 150 feet each minute. Find it's height after six, eight, and ten minutes. Make a table to show the pattern of heights. Write an expression for the balloon's height at "m" minutes. This one just

4. ## Statistics

A golf ball is dropped from 15 different heights (in inches) and the height of the bounce is recorded (in inches.) The regression analysis gives the model y-hat = -0.4 + 0.70 (drop height) where y-hat is the predicted bounce height of the golf ball. A golf

5. ## Physics

A golfer tees off on level ground, giving the ball an initial speed of 46.5 m/s and an initial direction of 37.5 above the horizontal. a) how far from the golfer does the ball land? b) the next golfer in the group hits a ball with the same initial speed

6. ## pressure

an ideal gas in a sealed container has an initial volume of 2.70L. at constant pressure, it is cooled to 25.00 C where its final volume is 1.75L. what was the initial temperature?

7. ## ststistics

A sample of 3000 observations has a mean of 86 and a standard deviation of 13. The distribution is bell-shaped. Using the empirical rule, find what percentage of the observations fall in the intervals

8. ## Science Significant Figures

Calculate the area, with the appropriate number of significant figures, of a rectangular room that is 14.10 m wide by 15.0 m long. If I multiply the two values and round to the nearest whole number, I get 212 m^2. Is this right?

9. ## Physics

A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects, calculate the speed needed by the skier on leaving the ramp.

10. ## financial litercy

a sales manager has weekends off and 20 paid vacation days per year, including holidays that fall on weekdays. if her salary is \$93,600 per year, what is her pay per weekday?

11. ## Physics

A car starts from rest and accelerates for 3.9 s with an acceleration of 5 m/s2 . How far does it travel? Answer in units of m

12. ## Math

A perfect positive or negative correlation means that A) the explanatory causes the y-variable. B) 100% of the variation is explained. C) we get the same regression equation if we switch the x and y variables. D) the slope of the regression equation is 1.0

13. ## math

A ruby-throated hummingbird beats its wings about 53 times each second. About how many times does a ruby-throated hummingbird beat its wings in 5 seconds?

14. ## physics

A lowly high diver pushes off horizontally with a speed of 2.75 m/s from the edge of a platform that is 10.0 m above the surface of the water. (a) At what horizontal distance from the edge of the platform is the diver 0.866 s after pushing off? (b) At what

15. ## Physics

The resistance of a bagel toaster is 15 Ω. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster?

16. ## physics

Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed, you will experience a constant acceleration. Suppose you drive through an entrance ramp at a modest speed and your acceleration is 3.0m/s2

17. ## physics

A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50 m tall building. When the ball hits the ground, its velocity vector makes an angle with the horizontal. What is the angle?

18. ## math

Allison has 5 times as many baseball cards as football cards. In all, she has 120 baseball and football cards. How many baseball cards does Allison have?

19. ## physics

A professional golfer can hit a ball with a speed of 70 m/s. What is the maximum distance a golf ball hit with this speed could travel on Mars, where the value of g is 3.71 m/s^2?

20. ## college physics

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from the rod

21. ## pressure

a 6.04L cylinder contains 1.71mol of gas A and 4.35 mol of gas B, at a temperature of 33.1C. calculate the partial pressure of each gas in the cylinder. assume ideal gas behavior.

22. ## physics

a bullet of mass 10gm travels horizentaly with v=100m/sec and it is absorted by wooden block of mass 990gm.suspended verticle height through which the block...?

23. ## English

1. Arboreal Survivor of 9/11 is Alive, and Well. (How do we read 9/11?) 2. One New York tree survived the 9-11 terrorist attack. (How do we read 9-11?) 3. It stands today in the midst of the September 11 Memorial in lower Manhattan, strong and very much

24. ## Chemistry

Why is it suggested you use weighing paper or a watch glass instead of filter paper on which to allow a sample to dry? Please give two examples.

25. ## Social Studies

A shopping mall has one kiosk that sells baseball caps. The kiosk charges \$14.99 for a cap. Then an identical new kiosk opens nearby that also sells baseball caps. This kiosk charges \$9.99 for a baseball cap. On what basis are the two kiosks mostly

26. ## english

2. Tecumseh's "Let the white race perish" speech is A. a logical list of reasons why the whites should be resisted. B. a satire on the white race and its traditions. C. a plea to the people's reason. D. an appeal to the emotions of his listeners.

27. ## physics

what is the sound intensity level in decibels of ultrasound of intensity of 105 w/m2, used to pulverize tissue during surgery

28. ## English

Which of the following is an example of indicative verb mood? If his parents let him, he will come outside to play. Open the door for the old lady. How many days are there until your birthday? We had spaghetti for dinner. I think it is d, although I am

29. ## physics

A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50 m tall building. When the ball hits the ground, its velocity vector makes an angle with the horizontal. What is the angle?

30. ## very EASY Math terms Defintions

Please help someone!!!! a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical

31. ## Physics

a bicyclist rides 10.0 km/h west and 20.0 km/h east what is the resultant velocity

32. ## Fluid Mechanics

Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

33. ## physics

A meteoroid is speeding through the atmosphere, traveling east at 24.5 km/s while descending at 11.6 km/s. What is its speed, in km/s?

Alicia Eastman deposited \$2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it take for her investment to amount to \$2,600? Using the scenario from the previous question, determine the maturity date of the

35. ## Polynomials

can someone show me how to get the sum, difference and product of this problem 2x^2-1∶ x^3- x^(2 )+ 2^x- 1

36. ## Math

If two variables are very strongly associated, the correlation between them will be near 1.0 or -1.0. A) False B) True I put false because the variable have to be quantitative and they have to be perfect...

37. ## algebra

5x - 7 (2 - 4x)

38. ## math

Did you mean: ryan has nine 14 ounce bags of popcorn to repackage and sell at the school fair. a small bag holds 3 ounces. how many small bags can he make?

39. ## physics

how did nikola tesla change the world? and why students do not know about him and his inventions?

40. ## Algebra

(62+15)+38=62+(15+38)

41. ## Math

3(2x+5)=6x+15

Alicia Eastman deposited \$2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it take for her investment to amount to \$2,600? Using the scenario from the previous question, determine the maturity date of the

43. ## To Reiny, math helper

can you look at my post, its just 4 math terms I need to figure out, please help

44. ## Math

The sum of five and three times a number

45. ## Math

an ant that weighs 0.004 oz can lift a bread crumb that weighs 0.2 oz. if a 120-pound person were proportionally as strong as the ant, how much could the person lift?

46. ## Calculus

Find the Indefinite Integral without u substitution of the following a)(8x-3)/(12x^6) b) 2sqrtx(5x-6) c) (4x+3)/xsqrtx d) (5x-6)^2 / sqrt x e) 16x^2 + x - 20 / 4x^2

47. ## social studies

Write a draft paragraph about what to tell Tim about The Iroquois

Compute the rate for the following loan. Round your answer to the nearest tenth of a percent. Principal Rate (%) Time Interest \$50,000 9 months \$4,500

49. ## science

A variable is _____________ to change the outcome or the result of the experiment.

50. ## Consumer Math: Insurance

Choose as many answers as apply. Which of the following statements are true of ordinary whole-life insurance policies? A. The insured pays premiums on this type of insurance until his death. B. Ordinary whole life insurance covers the insured for the

51. ## science

__________ are used to show the relationship or trends between data collected in an experiment.

52. ## science

What is a pendulum? Explain how a pendulum works.

53. ## Accounting

Why is it more difficult to account for the inventory of a manufacturing firm than for that of a merchandising firm?

54. ## Polynomials

how would i get the sum, product,and difference of this problem x^3+ 2x-5∶ x^4-x^3+ 3x^2- 2x+3

55. ## science

Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=5.0 m above the throw point. In addition, she knows that she needs t1=4.0 s between successive throws. Assuming that she

Wyatt's western wear purchases shirts for \$49.50 each. A \$34.00 markup is added to the shirt. What is the selling price?

57. ## Math

What is the quotient of 1,790 divided by 5?

58. ## Mathematics

Eureka is 9 years younger than Rex. In 3 years Rex will be twice as old as Eureka. How old are they now?

Part A: find two numbers that have two three and five as factors. what other factors do these two numbers have in common Part b. find three numbers that has 24 and 8 as factors what do these numbers have in common

60. ## math

can someone show me step by step how to do the sum, product, and difference for this problem X -1 : X-2

What is the percent markup based on selling price for the Western Wear shirts?

Bloomingdales purchases imported perfume for \$24.30 per ounce. If the store policy's to mark up all merchadise in that department 39% based on selling price, what is the retail selling price of the perfume?

63. ## Fluid Mechanics

Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

64. ## physics

A rifle that shoots bullets at 404 m/s is to be aimed at a target 49.7 m away. If the center of the target is level with the rifle, how high (in cm) above the target must the rifle barrel be pointed so that the bullet hits dead center?

65. ## calculus

If lim(f+g)=1 as x-->a and lim(f-g)=1 as x-->a find lim fg as x-->a

66. ## chemistry

What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x= Calculate the

67. ## chemistry

an ideal gas in a sealed container has an initial volume of 2.70L. at constant pressure, it is cooled to 25.00 C where its final volume is 1.75L. what was the initial temperature?

68. ## Physics

The current in a series circuit is 11.0 A. When an additional 11.0-Ω resistor is inserted in series, the current drops to 6.6 A. What is the resistance in the original circuit?

69. ## Physics

The resistance of a bagel toaster is 15 Ω. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster?

70. ## physic

You have a mass of 68 kg and are on a 51-degree slope hanging on to a cord with a breaking strength of 152 newtons. What must be the coefficient of static friction to 2 decimal places between you and the surface for you to be saved from the fire?

71. ## Physics

Consider the two vectors Aarrowbold = 3 i hat bold − 3 j hat bold and Barrowbold = − i hat bold − 6 j hat bold.

72. ## Statistics

A carload of stone taken from a quarry by the plug-and-feather method contains pieces of stone have a mean weight of 1,500 pounds and a total weight of 36,000 pounds. Another carload of stone produced by the explosive method (where stone is blasted into

73. ## college physics

(a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one

You are shopping for an executive desk chair at the furniture Gallery. You see two you like on sale Chair A was originally \$119.99 now on sale for \$ 79.99 and chairB

75. ## college physics

In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.) (a) Find the electric force

76. ## pressure

a flexible container at an initial volume of 7.14L contains 9.51mol of gas. more gas is then added to the container until it reaches final volume of 17.1L. assuming the pressure and temperature of the gas remain constant, calculate the number of moles of

77. ## Polynomials

Steve it is a polynomials product it is asking me for the sum the difference and the product for this problem X -1 : X-2 I do not know how to do this as we just started this today thank you sir

78. ## pressure

if 51.0L of a gas is collected at 29C and 305kPa, what is its volume at STP?

79. ## math

the challenge involves in dealing with the owner is to use a 20 meter fencing material to build a pig pen so that the owner will not be buying any additional materials considering also that one side of the pen is the outside wall of his garage? what is the

80. ## algebra

please help me for this problem.im not good in math.the challenge involves in dealing with the owner is to use a 20 meter fencing material to build a pig pen so that the owner will not be buying any additional materials considering also that one side of

81. ## Case management

McGowan (1974) found that outcomes of advocacy were affected by A. education of the advocate B. Receptivity of the target C. setting and support D. method of implementation

82. ## Math

4xy+2k for x=3,y=-4 and k=5

83. ## Math !-_-

Please help me out. Omg...i absolutley hate math. I try my best but...its just to hard for me. Ok so im working on algebraic expressions. Here i go. 1. The product of a number n and 9 2. The quotient of 21 and a number b I HAD MORE OF THOSE BUT I DID THEM.

84. ## Physics

What net external force is required to give a 30 kg suitcase an acceleration of 2.5 m/s2 to the right? Answer in units of N

85. ## Algebra

The formula for area of a rectangle is Lw.L=4 and W=4 and w =6.find area of the rectangle

86. ## MATH

1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Town Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain. 2.

87. ## Language Arts 6 Ms. Sue please

1. Which word is modified by the adjective in the sentence below? The drama production will start promptly at 8 o'clock. Start Promptly Production Drama 2. Which word is modified by the adjective in the sentence below? Not a single day goes by without me

88. ## chemistry

What mass of nitric acid, in grams, can be made from 113g g of ammonia?

89. ## College Algebra

Need help in working this problem - the cost of renting an edger is \$16.50 for the first hour and \$10.95 for each additional hour. How long can a person have the edger if the cost must be less than \$55.00? (This is a question under the inequalities

90. ## Math

There are 50% more girls than boys in Mr. Lee's physical classes. If 40% of the girls and 20% of the boys got an A on the last test, what percent of all the students got an A on the test?

91. ## math

Barbra has a coupon for 5% off of the cost of her dinner, She tips the waiter 20% of the discounted priice of her dinner, and pays a total (discounted dinner price + tip) of \$18.24, how much did her dinner cost before the discount?

92. ## math

Barbra has a coupon for 5% off of the cost of her dinner, She tips the waiter 20% of the discounted priice of her dinner, and pays a total (discounted dinner price + tip) of \$18.24, how much did her dinner cost before the discount?

93. ## Geometry

Points G and H lie on line k and have coordinates (2,0) and (-1,9), respectively. Which of the following points is also on line k ? a) (3,-9) b) (4,-6) c) (4, -3) d) (5, -3) e) (5, -1)

94. ## SAT prep math

Maria has two piggy banks. In one piggy bank she saves dimes and in the other she saves nickels. At the end of each month she saves 40 nickels and 30 dimes

95. ## math

Petra and Yelyenna begin with same number of pennies. After Petra gives Yelyenna 24% of her pennies. Yelyenna has 36 more pennies than Petra. How many pennies do they in all?

96. ## physics

A person takes a trip, driving with a constant speed of 90 km/h except for a rest stop for 30min. If his average speed is 78 km/h, how much time is spent on the trip and how far does the person travel?

97. ## math

A certain computer program lets the user pick a positive number, decreases the number by 60%, and displays the square of the result. If the number displayed is 140% larger than the number that the user picked, what number did the user pick?

98. ## Math

The formula for area of a rectangle is Lw.L=4 And W =6.find area of the rectangle

99. ## health

What is an example of having a poor diet? A. Making unhealthy food choices B. Not eating enough C. Not eating on a normal schedule D. All of the above

100. ## Socials Studies

What is a nation-state and how does it relate to America?

101. ## Pre Calculus

So I only have 3 homework questions left and I can't seem to figure out how to solve. I've tried solving them, but I keep getting them wrong. Any help? Factor the polynomials: a) 3x^2 +19x - 40 b) x^4 - 25x^2 Simplify the expression completely: (1/(x-h)^3

102. ## Chemistry

Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 hr and is a pure gamma emitter. Suppose that 200mg were prepared in the technetium generator this morning. How many milligrams would remain after the following

103. ## Physics

An airplane with an airspeed of 66km/h lands on a runway where the wind speed is 28km/h .What is the landing speed of the plane if the wind is head-on?

104. ## English

Write the simple predicate of each sentence. 1. Most people find cockroaches troublesome. 2. These household pests get into everything. 3. The history of these pests may surprise you.

105. ## math

t is a 7-digit even number.there is no repetition of digits.the digit 5 is in in thousands place.the greatest digit is in millions place.the digit in the hundred thousands place is twice the digit in the hundreds place.the digit in the hundreds place is

106. ## Chemistry

Calculate the wavelength of a proton with energy 2.45 eV. Please some help!

107. ## Math, Algebra

Need to check answers. Q1. Find the length of the following segment created by these pairs of endpoints: (0, 1), (0, 7) Answer : 0 Q2. Find the length of the following segment created by these pairs of endpoints: (9, 6), (12, 6) Answer : 3 Q3. Find the

108. ## english

off curiosity ms sue why do you do this

109. ## chemistry

Which metal can be obtained form the ore by heating alone Can you pls write down the word equations for these

110. ## Nutrition

what are the principles of standing height and weight in the nutritional assessment? note: standing height and weight are from the anthropometric measurements i really need some help i couldn't find or understand what it actually wants so please some help.

111. ## english

who is the audience for the comic book are you my mother?

112. ## math

two step equations i don't understand

113. ## Social Studies

A popular cell phone manufacturer begins selling a new phone with many unique features. Lots of people want to buy the new phone. The old phone cost \$149. What is the most likely price of the new phone? \$79 \$129 \$149 \$199 Is it \$199?

115. ## Math

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (-56r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure

116. ## Math definitions

a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical

/ 7- (-3) /

118. ## Acticities of Daily Living

1. What are some of the factors that affect a patients ability to reenter the community? A. Existence of suitable recreation activities B. Support services and safety considerations C. Availability of malls and shopping centers D. Patients level of

119. ## chemistry

how to make 3.0 liters of a 0.98 molar HCl solution from a 10.5 molar HCl stock solution.

120. ## computers

Networks are often set up in the client/server network arrangement. Raheem has learned that this is a very common type of network arrangement. Discuss two things that Raheem should be concerned with if he decided upon a client/server network arrangement?

121. ## math

Square JKLM has vertices J(6,2), K(z,2), L(-1,-5), and M(x,y). What is x - y ?

122. ## Polynomials

can someone show me how to do the sum, difference and product for this problem

123. ## Math ms sue help

please help me with these defintions of math terms please: a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a

124. ## Round whole numbers

The tallest mountain in Cailfornia is MT. Whitney. It is 14,491 feet tall. Round it's height to the nearest thousand

125. ## math

Line j goes through the points N(-2,-3), O(0,0), and P(6,p). What is p ?

126. ## math

calculate the following, leaving your answer as a fraction (lowest) or in decimal. Show your work 8(2+3² --------- 2(5)²

127. ## Chemistry

Calculate the volume of hydrogen, in L, produced when 12.15 g of magnesium react completely with water. Assume S..T.P.

128. ## math

calculate the following, leaving your answer as a fraction (lowest) or in decimal. Show your work 4(2+1)² -------- 3(1)²

129. ## math

calculate the following. show your work (-2) (-4) (-6)

130. ## Math Ms. Sue

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (-56r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure

Hi I'm writing an article and I interviewed Five WMU students asking them how they feel about the new football slogan, as well as the new football coach. Would this be an ok way to start the article? Five WMU students shared their viewpoints about the new

133. ## math

Working together, 5 people can finish a jigsaw puzzle in 5 hours. Ho long would it take 4 people, working at the same rate, to finish the same puzzle?

134. ## MAth (Ratio)

Penny is a dentist. She took a survey of her patients to see which type of toothbrush they prefer. Her 50 male patients prefer electric toothbrushes to manual ones in a 3:2 ratio. Her 65 female patients prefer electric to manual in a 8:5 ratio. In all, her

135. ## math

if a=4 and b=8, calculate the following (show your answer as a fraction (lowest) or in decimal form). Show your work (A+B)² ------- A (A+B)² ------- B

136. ## math

if Y= a+bX with a= 12 and b= .4 what is the value of Y when: Show your work a)x= 0 y= b)x= 5 y= c)x= 10 y= d)x= -20 y=

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/216 9 (-56r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure

138. ## CUMIUNITI

In which year did the relationship between Britain and the colonies begin to change dramatically?

139. ## math

There are 159 counties in Mississippi, 60 of these counties have French names, what percentage is that?

140. ## math

I am inside the path (7,6,9,3) I am the differance of 2 numbers outside the path (6,7,8,5) What number am I

141. ## Algebra 1

2 + y / 3 = - 1

142. ## math

I am outside the path (6,9,4,10) I am the differance or 2 other numbers outside the path.I am greater than 5 (numbers inside the path 3,10,8,6)What number am I

143. ## Math Definitions

a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical

144. ## Physics

An Olympic swimming pool is roughly 45m long and 33m wide and 5m deep. How long will it take to fill such a pool with a regular garden hose? **estimation question, give an estimate of flow rate of hose.

145. ## physics

A 1.54 ×104 N boat experiences a force of 2 000 N from east by the ocean tide and a wind force against its sails with magnitude of 4000 N directed toward the northwest (60° N of W). Find the magnitude and the direction of the resultant acceleration

146. ## math

A recipe call for 3/4 cups of flour for a batch of cookies. Phillip makes 2 1/2 batchers. How much flour will he use

147. ## Math To: Reiny

This is one whole question: (12) (10xy^3) (3x^2y^2) (5x) (2y) I don't know how to do any of these: simplify sqaure root of 160000 simplify sqaure root of 0.04 simplify 3 * square root 81 simplify square root of 900 simplify square root of 0.0025 simplify

148. ## Social studies (urgh!)

What would you draw for the word diverse/diversity?!? Definition: many & different

149. ## Chemistry

What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x= Calculate the

150. ## spanish

choose the correct word to complete each sentence, or choose a phrase that would logically go with the statement. A.Hace color B.Voy a la bibloteca C.Vo al club de jovenes D.Voy al comedor E. Es la cabina F. Voy al cine G. Voy a la piscina H. Es la galeria

151. ## Math term definitions

Please help someone!!!! a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical

152. ## Math

How do problem solving using model addition and subtraction

153. ## Chemistry

What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules. x= Calculate the

154. ## math

On May 23, Samantha Best borrowed \$40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan? (round to the nearest hundredth) (Points : 2)

155. ## physics

ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the ball and stone pass each

156. ## physics

ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the ball and stone pass each

157. ## algebra

Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75