# Questions Asked onApril 9, 2016

1. ## Calculus

A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing \$60/ft and on the other three sides by a metal fence costing \$50/ft. If the area of the garden is 102 square feet, find the dimensions of the garden that

2. ## Chemistry

Iron metal reacts with oxygen gas to produce iron(III) oxide. If you have 12.0 moles of iron, for complete reaction you need: (HINT you need the balanced chemical reaction!) A) 9.0 moles of O2 and produce 3.0 moles of Fe2O3 B) 9.0 moles of O2 and produce

3. ## Trigonometrt

Express in functions of theta: a. sin ( 810- theta) b. cot ( theta - 360) c cos (-180- theta)

4. ## Statistics

A web-site asks users to create a 5-symbol PIN code where first and second symbols are any letters from the English alphabet and next 3 symbols are any digits. How many different PIN codes can be created?

5. ## Bio

1. Why do plants provide bees, hummingbirds, butterflies, and other animals with nectar? So they can get their pollen and spread it to multiply 2. Why do plants provide animals with fruits such as strawberries, apples, and mangoes? So they can dispose the

6. ## Language Arts

Which of the following sentences contains a prepositional phrase that acts as an adjective? A. Jillian ran around the track as fast as she could. B. Seth waited on the corner for the bus to arrive. C. The house on top of the hill looked abandoned. D. The

7. ## Graphing Ciricles

What is the shortest distance between the circles defined by x^2-10x +y^2-4y-7=0 and x^2+14x +y^2+6y+49=0? Thank you

8. ## Math

find all the other zeroes of the polynomial x^4+4x^3-4x^2-32x-32 if two of its zeroes are 2 root 2 and -2 root 2

9. ## Geometry

A rectangular patio is 8 feet longer than it isi wide The area of the patio is 84 square feet. What are the dimensions of the patio

10. ## chemistry

How many moles of gas must be forced into a 5.0 L tire to give it a gauge pressure of 33.6 psi at 28 ∘C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.8 psi so that the total pressure in the tire is 48.4

11. ## Calc

Consider a window the shape of which is a rectangle of height h surmounted by a triangle having a height T that is 0.5 times the width w of the rectangle (as shown in the figure below). If the cross-sectional area is A, determine the dimensions of the

12. ## math

LOG(base5)(3/5)+3log(base5)(15/2)-log(base5)(81/8)

13. ## Algebra

In how many ways can 8 new teachers be assigned to 14 classes at a school, if each must be in a different class?

14. ## math

the formula S=c(1+r)^2 models inflation, where C= the value today, r=the annual inflation rate, and S= the inflated value t years from now use this formula to solve the problems: If the inflation rate is 6% how much will a house now worth \$465,000 be worth

15. ## Physics

A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of water fly off tangentially. She measures the heights reached by drops moving vertically (see figure below). A drop that breaks

16. ## algebra

Suppose a population of bacteria in a Petri dish has a doubling time of 6 hours. How long will it take for an initial population of 11000 bacteria to reach 20500? Round your answer to two decimal places.

17. ## Chemistry

Propane gas is stored in a tank at a pressure of 15.0 atm at 22.0 °C. The tank can hold a pressure of 42.0 atm before bursting. During a fire the gas is heated to 600.0 °C. What is the gas pressure, and will the tank contain the gas without bursting? I

18. ## Chemistry / Stoichiometry

When 1 mol of CH4 is burned, 490 kJ of energy are released as heat. CH4 + O2 -> 2H2 + CO2 If 3.2g of CH4 are burned, what is the value of the heat of the reaction? The answer worked in class was -180 kJ, but while I was redoing problems, I got the answer

19. ## Physics

Q1. What is the working principle of the loudspeaker. Q2.Explain the following:- 1.Beat 2.Shock wave 3.Mach effect.

20. ## Physics

An 80 kg hunter gets a rope around a 400 kg polar bear. They are stationary and on frictionless level ice, initially 60 m apart. When the hunter pulls the polar bear to him, the polar bear will move: 1. 10 m 2. 30 m

21. ## American History

The goal of President Nixon’s foreign policy was to A.uphold democratic values and contain communism through the use of military force B.prevent South Vietnam from falling to communism, whatever the cost in American lives. C.achieve a stable balance of

22. ## Chemistry

Sulfur dioxide (SO2) reacts with oxygen gas to make sulfur trioxide (SO3). How many grams of oxygen are used to produce 8.11 grams of sulfur trioxide?

23. ## math

One car went 10 miles farther when traveling at 50 mph than a second car that traveled 2 hours longer at a speed of 40 mph. How long did the first car travel?

24. ## Science

Two pellets, each with a charge of 1.5 microcoulomb (1.5×10−6 C ), are located 2.8 cm (2.8×10−2 m ) apart. Part A Find the electric force between them.Part B What would be the mass of an object that would experience this same force in Earth's

25. ## Chemistry

How many grams of pure uranium can theoretically be extracted from a 10.0 kg sample of pitchblende, which is 92.0% UO2? Im not looking for the answer. I would just like to know the formula to solve the problem.

26. ## Precalculus

Points A, B, and C are on a circle such that angle ABC=45 degrees, AB=6, and AC=8. Find the area of the circle.

27. ## Healthcare Statistics

It takes approximately 15 minutes to code one record. How many personnel hour would be needed to code 1424 discharges for the month.

28. ## History

What powers did Parliament have in the Bill of Rights?

29. ## Genetics Help!!!!

1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53

30. ## Statistics

The Acme Candy Company claims that 60% of the jawbreakers it produces weigh more than .4 ounces. Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 494 jawbreakers that weigh

31. ## Math, science

in 2009 an earthquake of magnitude 6.7 shook the kermadec islands off the coast of new zealand. also in 2009 an earthquake of magnitude 5.1 occured in the alaska peninsula. How many times stronger was the kermadec earthquake. Use formula log (I1/I2)=m1-m2

32. ## algebra

If the lengths of a pair of opposite sides of a square were tripled and the other pair were each increased by 7 cm,the new figure would be rectangle with a perimeter 96 cm find the dimensions of the original square

33. ## MATH

How much would you have to invest into a 5 year certificate of deposit paying 2.3% compounded weekly to make it worth \$4500 at the end of the term? A=P(1+r/n)^nt 4500=P(1+0.023/52)^52(5) I am receiving a syntax error please help

35. ## English

1. Stand in line, please. 2. Stand in a line, please. 3. Stand in two lines, please. 4. Stand in row. 5. Stand in a row. 6. Stand in two rows. =============== Can we use all the expressions? What is the difference between them?

36. ## Science

A fossil for an extinct organism is found in layer B. A fossil for another extinct organism, very similar to the first, is found in layer C. What might be the relationship between these two organisms. Im so confused, can someone help.

Ln2+Lnx=1

38. ## algebra

-1 -2 1+x = 72x 1 2 1/1+1/x =1/72x 2 1 2 2 (72x /1)1/1+1/x =1/72x (72x/1) 2 72x +72x=1 got stuck here

39. ## Chemistry

Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce aqueous sodium sulfate Na2SO4 and liquid water H2O . Suppose 31. g of sulfuric acid is mixed with 11.5 g of sodium hydroxide. Calculate the maximum mass of sodium sulfate

40. ## Physics

the current in an rc circuit if the resistance is 20 ohms the capacitance is 0.002 farad the emr is 12e^-10t

41. ## physics

Consider air to be a mixture of 80% nitrogen and 20% oxygen. How much work is required to raise the temperature of 7 mol of air by 9 ∘C in an adiabatic process?

42. ## Math

Jasmine invested \$73,000 in a fixed rate account offering 7.2% interest rate compounded semiannually. How long will it take her to grow it to \$100,000? 100,000=(73,000)(0.072)^2)t

43. ## algebra

Thank you Reiny, we typed it in incorrectly, but believe we have solved it. Will post later.

44. ## Math

When did you first start a saving plan? What is the purpose of the saving plan? How will having a saving plan benefit someone?

45. ## math

Max served pizza at his birthdayparty. Max ate 3/6 of a pizza and Becky ate 1/6 of the same pizza. How much more did Max eat than Becky?

46. ## Chemistry

what mass of hydrogen chloride gas is required to produce 250 ml of hydrochloric acid solution with a pH of 1.57

47. ## Math

Ryan bought 2 1/4 pounds of almonds and divided them into bags with 1/8 pound in each bag.

48. ## anti

I Hate jiskha

49. ## Pysics

A(n) 12600 lb railroad car traveling at 7.4 ft/s couples with a stationary car of 6490 lb. The acceleration of gravity is 32 ft/s2. What is their velocity after the collision?Answer in units of ft/s. What impulse did the first car receive?Answer in units

50. ## Social Studies

How does the climate of Southeast Asia vary among regions? A)The mainland is much hotter than the islands B)The mainland receives monsoons but the islands do not C)The islands are generally wetter than the mainland D)The islands have a subtropical climate

51. ## english comp

revise the following sentence to use modifiers correctly, clearly and effectively. *= revised sentence 1.The student cafeteria is operated by a college food service system chain. * A chain of food service system operates the student cafeteria. Thank you

52. ## Analytical chemistry

an 0.5031 gram sample of iron ore is determined through redox titration using K2Cr2O7. The sample was dissolved in HCl and all the iron was converted to the 2+ state. Titration to the endpoint required 24.34 mL of 0.01887 mol/L K2Cr2O7. Calculate the

53. ## statics

A former student of ENG8101 wishes to weigh him/herself but only has access to a scale A with capacity limited to 400 N and a small 80-N spring dynamometer B. With the rig shown, he/she discovers that when he/she exerts a pull on the rope so that B

54. ## Chemistry

For the following reaction: Fe2O3 + 3CO --> 2Fe + 3CO2 how many grams of Fe2O3 is needed to produce 111 g of Fe? A) 79.3 g Fe2O3 B) 159 g Fe2O3 C) 317 g Fe2O3 D) 71.4 g Fe2O3

55. ## stats

shipment of 30 computers, 8 are defective. Four computers are chosen at random. Find the probability that: a)Exactly two are defective b)None are defective c)At most two are defective

56. ## Limiting Reactant (Chemistry)

What is the limiting reactant for the following reaction if there are 3.4 moles of Ca(NO2)2 and 2.4 moles of Li3PO4? 3Ca(NO2)2 + 2Li3PO4 --> 6LiNO2 + Ca3(PO4)2 A)Ca(NO2)2 B) Li3PO4 C) LiNO2 D) Ca3(PO4)2

57. ## Statistics

If a normally distributed group of test scores have a mean of 76 and a standard deviation of 10. Find the probability that student will earn a grade between 65 and 85

58. ## Mathematics

Solve: 9-5[8-3]*2+6 first 9- 5[5]*2+6 second 9-1*2+6 third 9- 2+6 fourth 7+6 fifth 13

59. ## Math/Algebra

Let f(x) = (3x - 7)/(x + 1). Find the inverse f^(-1)(x).

60. ## American History

Need help on one more question Which region of the country was a beneficiary of deindustrialization during the 1970s? A. Northwest B. midwest C. Southwest . D Northeast My answer is D.

61. ## Probability

If a seed is planted, it has a 75% chance of growing into a healthy plant. If 11 seeds are planted, what is the probability that exactly 2 don't grow?

62. ## Math

What is the shortest distance between the circles defined by x^2-10x +y^2-4y-7=0 and x^2+14x +y^2+6y+49=0?

For the graph of a certain quadratic y = ax^2 + bx + c, the vertex of the parabola is (3,7) and one of the x-intercepts is (-2,0). What is the x-coordinate of the other x-intercept? Thank you for helping me :D

64. ## Math

A scale drawing of the floor of a theater has a scale factor of 18. Mark says that he can use this information and any length on the scale drawing to find the corresponding length and the actual theater. He says that he can also use this information and

65. ## math

If f(x) = 2x + 3 and g(x) = 3x - 2 find (f(g(f(2))))/{g(f(g(2)))). Express your answer in the form (a)/(b).

66. ## math

Distributive Property -2/3 (c-12)= -5y (6z-10)= THANK YOU!

67. ## math

One car went 10 miles farther when traveling at 50 mph than a second car that traveled 2 hours longer at a speed of 40 mph. How long did the first car travel?

68. ## Math

Two lamps are to be chosen from pack of 12 lamps where four are defective and the rest are non defective. what is the probablity that a.both are defective? b.one is defective? c.at most one is defective?

69. ## Algebra

Bear Lake is 6 miles wide. The total time it took Jane to kayak back and forth across the lake was 2 hours. Her rate kayaking back was 3 times her rate going out across the lake. What was Jane's rate kayaking out across the lake?

70. ## bunch

Doubble 100 and then subtract 29.

71. ## Algebra 2

I am confused about his question. I 3000 times.04 times 10 and added that to 3000 to get 4200 but its not an option QUESTION::suppose you deposit \$3000 in a savings account that pays interest in a a rate of 4%. if no money is added or withdrawn from the

72. ## Calc

Consider a window the shape of which is a rectangle of height h surmounted by a triangle having a height T that is 0.5 times the width w of the rectangle (as shown in the figure below). If the cross-sectional area is A, determine the dimensions of the

73. ## math, science, hindi, english, sst

In triangle ABC, AB=4cm, AC=8cm and AM=3cm. AM is the median which meets BC and M. Then, BC is equal to

74. ## Statistics

If your HIM department has 100,000 active medical records and you received 5,352 requests for records within a six-month period, what is the request rate for the past six months.

75. ## BASIC BIO ISH QUESTION

which animal eats Southern tamandua? And if possible be specific to Venezuela animals THANKS when i tried looking i couldn't really find anything...

76. ## Math

Carissa predicted she answered 19 questions correctly out of 20 on a test .She actually got 17 answers correct .By what percent was Carissa's prediction off ?

77. ## Statistics

Calculate the number of new shelving units needed for a medical record filing system based on eight shelves per unit at 36 inches per shelf. The average record size equals 0.30 inches, and the center anticipates seeing 4,500 patients the first year.

78. ## PHY 1004

A projectile is fired with an initial velocity of 10.0 m/s at an angle of 30^0 above the horizontal. It is at ground level and returns to ground level.. Determine the projectile's horizontal range

79. ## Biology

GRey flies are dominant to black flies. Make a cross between two flies expected to have all black offspring:

80. ## Statistics

After one month of operation, the health information services at community Health Center determined that there were two records misfiled out of the 450 active records. What is the filing accuracy rate for this area.

81. ## Sociology

Any help with this question would be great, even if its just a link(s) of where I could find information. Directly compare and differentiate race and sex and then ethnicity and gender?

82. ## Healthcare Statistic

An employee currently earning \$13.85 per hour has been awarded a 3.5 percent merit raise. what will the employee's hourly salary be with is increase.

83. ## Calculus

Find the largest volume V of the circular cone that can be inscribed in a sphere of radius = 10 cm

84. ## physics

Two electrically-charges spheres are suspended from insulated threads a certain distance from each other. There is a certain amount of electrostatic force between them. Describe specifically (not just increase or decrease) what happens to this force in

85. ## Math

Shelley drives her car for p days over a 30-day period. Her sister Helen used it for 1/6 of the remaining days. (a) For how long does Helen use the car? (b) For how long do Shelley and Helen use the car over a 30-day period?

86. ## Math

I have 3 nickels, 1 quarter, and 1 penny in my pocket. If I pick out a coin from my pocket, do not replace it, then pick out a second coin from my pocket, what is the probability that the second coin that I pick out of my pocket is a nickel? So far I have

87. ## Calculus (30min before deadline help pls )

A street light is at the top of a 16 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 3 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 36

88. ## Math

suppose you have two prisms with the same volume. one is shaped like a cube and the other is "longer." which has the lesser surface area?

89. ## Biology

What would happen to other organisms if prokaryotes did not recycle nutrients? Please help, I just need a couple of sentences so I can understand what it means:/ Thanks

90. ## Geometry

The local swimming pool is rectangular and the length is 5 feet more than twice the width If the area of the pool is 1375 square feet then what are the length and width of the pool

91. ## math

Three switches are to be installed in a panel. The switches are each 21/2 inches wide. There will be 11/4 inches clearance between switches and 37/8 inches between any switch and the edge of the box. How wide is the box?

92. ## Math

A railway engine starts shunting wagons by first going 1000 m North of railway station. It reverses and travels 1250 m South and then it again moves 600 m north. Finally moving 800 m South it comes to rest. How far is the engine from the station and in

93. ## Geography

Around ten to twelve thousand years ago, human began to domesticate plants and animals for food. Before this first agricultural revolution, people relied on hunting and gathering to obtain food supplies. While there are still groups of hunters and

94. ## math

jeremy withdraws cash from an ATM that is not his own bank's 6 times a month. He pays \$1.25 per transaction. if this pattern is consistent across a year, what will his yearly cost be? a) \$90.00 b) \$45.00 c) \$15.00 d) \$7.50 marley decides to invest in a Tax

95. ## Geography

India and Nepal border dispute issues?

96. ## science

need to make a silent proof box 15,000 cubic centimeters. What is the dimensions? I am having a hard time figuring it out.

97. ## Math

A wheel makes6 1/12 revolution per minute. If it rotates 45 minutes,how many revolutions does it make

98. ## Geography

What regional, international, and supranational organizations is the country India a part of?

99. ## Math

You are fencing in a rectangular area The length is x+5 and the width is x. The total area is 350 ft² . Find the perimeter.

1 ) A temperature-sensitive mutation in the lacI gene of E. coli creates a repressor protein that has wild-type function at 30°, but is a superrepressor protein at 42° (unable to bind allolactose). You test this strain with and without lactose, at two

101. ## Shakespeare

I just need help coming up with a thesis for a paper. We are writing about the different types of love portrayed in A Midsummer Night's Dream....Forced, romantic, and frienship love. Any help with a thesis for a two page paper on the different types of

102. ## Physics

Please how do i get an answer to this answer that goes like this a wire of length 5.0m and diameter 2.0cm extends by 0.25mm when a force of 50n was used on its end. Calculate (i) stress (ii) strain in the wire (pi=3.142)

which of the following services do banks not provide? a. lines of credit b. health insurance c. currency exchange d. none of above (THIS ONE) which institutions does not offer RRSPs? a. bank b. credit union c. trust company (THIS ONE) d. investment company

104. ## Chemistry

Question: write the balanced equations for the titration of oxalic acid (C2H2O4) with KOH. Work so far: I know that the overall equation is COOH)2 + 2KOH ------.> (COOK)2 + 2H2O but I am unsure how to proceed to the two step-wise equations

105. ## Biology

Each sperm of a tomato plant contains twelve chromosomes. What are the haploid and diploid numbers?

106. ## Biology

What is the biological process that results in the production of gametes?

107. ## Biology

How does meiosis and fertilization in humans and other sexual reproductive organisms maintain the normal chromosomes number for each species?

108. ## chemistry redox

can someone check my labels for the reaction of a radical with an extra electron, (R(e-)) and an antioxidant, ArOH. R(e-) + ArOh --> RH + ArO(e-) R(e-) is oxidizing agent. ArOH is reducing agent. RH is reduced ArO(e-) is oxidized. Is this correct? And the

asked by check my work :)
109. ## History

How did Texans help the war effort in World War I?

110. ## Math

For this problem it says to explain why an equilateral scalene triangle is impossible to draw. Would it be because not all three sides will be equal?

111. ## Chemistry

As an eager scientist on a hot summer day you wish to determine how much ice to buy to add to your cooler which is filled with 4.0 × 101 cans of soda which are warm at 82.9°F. Each can has a mass of 378 g and ideally you want the temperature of the

112. ## consumer math

The Jones hope to accumulate \$12000 for a sunroom over the next 6 yrs. How much would they need to invest right now at 3.9% compounded quarterly to reach goal? Please help

113. ## math

which expressions represents the solutions of -5+2x^2=-6x

114. ## stats

Homeowners claim that the mean speed of automobiles traveling on their street is greater than the speed limit of 35 miles per hour. A random sample of 120 automobiles has a mean speed of 37 miles per hour and a standard deviation of 4 miles per hour. Using

115. ## maths,science,agriculture

What requirements are going to be needed for studying VET at tertiary institution

116. ## transportation engineering

on the same Lane of a road a car A is following car B at a center distance of 25 m. both cars are traveling at a speed of 100 kmph when car A attempts to overtake car B at a uniform acceleration of 0.8 m/s^2.after traveling for 5 sec at that acceleration

117. ## math

Sam has 9yellow pencils in his desk three fourth of his pencils are yellow how many pencils does sam have in his desk

118. ## Statistics

How to find observed frequenty?

119. ## math

which expressions represents the solutions of -5+2x^2=-6x?? I NEED HELP!!!

120. ## I NEED HELP!!!

which expressions represents the solutions of -5+2x^2=-6x

121. ## Chemistry

What is the yield of the synthesis of ammonia to 400° C and 500 atm of pressure?

122. ## Chemistry

How much water would be formed if 3.00 mol NH3 reacted with excess oxygen gas in the following equation? Given the reaction 4NH3+ 5O2 --> 4NO + 6H2O A) 2.00 mol B) 3.00 mol C) 4.50 mol D) 6.00 mol E) None of these

123. ## Math

A scale drawing of the floor of a theater has a scale factor of 18. Mark says that he can use this information and any length on the scale drawing to find the corresponding length in the actual theater. He says that he can also use this information and any

124. ## algebra

one day a store sold 18 sweatshirts, white ones cost \$9.95 and yellow ones cost 12.50. in all 222.45 worth of sweatshirts were sold. how many of each were sold?

125. ## MAth

Jasmine invested \$73,000 in a fixed rate account offering 7.2% interest rate compounded semiannually. How long will it take her to grow it to \$100,000?

126. ## Math: Parametric Equations

Let G be the graph of the parametric equations x = cos(4t), y = sin(6t). What is the length of the smallest interval P such that the graph of these equations for all t E P produces the entire graph G? (The "E" represents the symbol for "is in" that looks

127. ## physical science

A car starts from rest and accelerates uniformly for 250 meters. It then moves with a constant velocity for 500 meters and slows down to rest in 300 meters. The whole trip takes 50 seconds. How long did the car move at constant velocity?

128. ## math

DE (x-2y) dx + y dy = 0

129. ## math

DE x y dx +( x^2 + y ^2 ) dy =0

which career am i going to follow

asked by katlego LM KGANANE HIGH
131. ## math

Solution of 2xyy' + 3x = -2 y^2

132. ## Math

2e^3x=16 Solve for x. So far I changed this to 2ln3x=16 then ln3x=8 then...

133. ## math

the family of curves ( x^2)( y^2)=c^2

134. ## English

1. Raise your right foot and place it against your left thigh. 2. Raise your right foot and place it on your left thigh. 3. Raise your right foot and place it to your left thigh. 4, Raise your right foot and place it onto your left thigh. ----------------

135. ## English

1. Will you give me a wake-up call at 6: a.m.? 2. Can I ask for a wake-up call tomorrow morning? (Are both common sentences?) 3. a wake up call 4. a wakeup call 5. a wake-up call. (Which expression is correct?)

136. ## English

1. Put the table there, against the wall. 2. Put the table against the wall. 3. Put the table opposite the wall. ------------- Does #1 mean #2 or #3?

137. ## English

1. Bend your knees and bend your body at a 45 degree angle. (Does this sentence mean 'bend your knee at 45 degree angle or not'?) 2. Bend your knees and bend your body at a 45-degree angle. (Is this correct? There is a hyphen between 45 and degree.)

138. ## English

1. Try to do this at least 5 to 10 times. 2. Try to do this at least from 5 to 10 times. (Doe s#1 mean #2? Can we use 'from' before 5?)

139. ## English

1. To what degree should we bend our body in the Chair Pose? 2. At what degree should we bend our body in the Chair Pose? 3. From what degree should we bend our body in the Chair Pose? - We should bend our body at a 45 degree angle. (Which question is

140. ## math

24 miles per hour equal how many yards per minute? How is the answer 352yd/min??? --the way I'm doing it is: 24 mi/1h x 1760 yd/1mi x 1h/60min = 42,240yd/60min = 704yd/min THANK YOU!

141. ## gemoetry

A self-supporting ladder placed so that the angle between the ladder and the ground is 75.5° can be used to test whether the ladder can support a certain load. The diagram represents a ladder placed next to a window that is 20 feet above the ground. What

142. ## math

area of trapezium is 267square mt.parallel sides are 6m and 30m non parallel sides is 2m less then other find the length of non parallel sides.find the length of non parallel side

143. ## english

to do a syllabus for 16 weeks for academic writing

144. ## Probability (Math)

The lunch special at Teresa's Restaurant is a sandwich, a drink and a dessert. There are 2 sandwiches, 3 drinks, and 2 desserts to choose from. How many lunch specials are possible? I tried 2*3*2=12, but I am not sure about my answer.

145. ## chemistry

in a liquid mixture 3 mols of component A is mixed with 2 mols of component B the activity coefficient of component A is 0.75. for a temp at 365 K determine the chemical potential of A in the mixture. chemical potential of component A in its pure state is

146. ## English

1. When Ann got the job, her parents walked on air. 2. When Ann got the job, her parents was on cloud nine. 3. When Ann got the job, her parents were very happy. 4. When Ann got the job, her parents were walking on air. =================== Are the

147. ## Social Studies

Please check thanks! 1. Which action on the part of the progressives had the LEAST immediate effect on South Carolina? a. ending child labor b. ending business trusts*** c. outlawing the use of alcohol d. extending suffrage to women 2. Which amendment to

148. ## physics

A 58 kg skier has a speed of 9.5 m/s at point A. She then encounters a 1.75 m deep dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m.

149. ## Math

For this problem (2)^0 (-2)^0 do I add the exponents? If so then what Would I do with 2 and negative 2

150. ## LA

Poets use imagery and words with different connotations and denotations. In a paragraph, define and provide an example of imagery, connotation, and denotation. Then, explain how poets use these elements to contribute to tone in a poem. Support your answer

151. ## Precalculus

The graph of the parametric equations x=cos(t), y=sin(t) meets the graph of the parametric equations x=2+4cos(s), y=3+4sin(s), at two points. Find the slope of the line between these two points.

152. ## Logarithm

Ln(2x-1)^2=7 solve for x. Really confused

153. ## English Language and Composition

1. The first writing which can be described as "essayistic" appeared in: a. the writing of Ralph Waldo Emerson b. The writing of Mark Twain c. Eighteenth-century newspapers d. Ancient Greece and Rome e. None of the Above 2. Michel de Montaigne was the

154. ## Math

For this problem (2)^0 (-2)^0 would I add the exponents? I f so what do I do with 2 and -2?

155. ## karki

divide 45 into three parts which are in AP and the product is 300 find ap

156. ## LOGARITHM

Ln(2x-1)^2=7 solve for x. Please check my answer!!! =17.0577259793 Is this number too big?