# Questions Asked onJanuary 5, 2017

1. ## Physics

A 70.0-kg astronaut pushes to the left on a spacecraft with a force in "gravity-free" space. The spacecraft has a total mass of 1.0 × 104 kg. During the push, the astronaut accelerates to the right with an acceleration of 0.36 m/s2. Determine the

2. ## digital electronics

Consider the following structural description. Check which blocks are digital systems.

3. ## Calculus

Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 6cm and a height of 12cm, at the rate of 3 cm3/min. At what rate is the depth of the water changing at the instant when the water in the tank is 9 cm deep? Give an

4. ## digital electronics

Following the previous question, indicate which of the following signals are digital signals.

5. ## Algebra

\$6300 is​ invested, part of it at 11​% and part of it at 8​%. For a certain​ year, the total yield is ​\$nbsp 597.00 . How much was invested at each​ rate? x+y=6300(-11) 0.11x+ 0.08y=597(100) ............................ 11x+8y=59700

6. ## English

After which type of assessment will you be asked to set goals for yourself?

7. ## pre calc

Formulate but do not solve the problem. Kelly Fisher invested a total of \$20,000 in two municipal bonds that have yields of 8% and 9% interest per year, respectively. If the interest Kelly receives from the bonds in a year is \$1680, how much did she invest

8. ## computer applications (commerce)

draw a flow chart to print odd numbers below 20 in descending order

asked by draw a flow chart
9. ## Math Calc

Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x) = 3x(1/3) + 6x(4/3). You must justify your answer using an analysis of f '(x) and f "(x) I got -1/8 for a minimum point and 1/4 for inflection is this right? Do I

10. ## geometry

In a circle centered at point O, the ratio of the area of sector AOB to the area of the circle is . What is the approximate measure, in radians, of the central angle corresponding to ? Round the answer to two decimal places

11. ## American Government

Please check my answers. 1. Which of the following is a reason explaining why prison populations have increased dramatically? A. Many prisons have close down making the ones that remain overcrowded. B. Many new prisons have been built inspiring states to

12. ## Math

I'm in seventh grade and working on this math test based on lines and planes. I'm stuck on this one question and I don't understand what the question is asking me to do. The question is: Identify a segment skew to GH. I am not asking for the answer, I am

13. ## math

A diesel engine's piston compresses 16 cm3 of fuel-air mixture into 1 cm3. The pressure changes from 1 atmosphere to 48 atmospheres. If the initial temperature of the gas was 305 K, what was the final temperature?

14. ## math

Rewrite the set Q by listing its elements. Make sure to use the appropriate set notation. Q={x|x is an integer and -4

15. ## math

Construct a right triangle whose base is 12cm and sum of its hypotenuse and other side is 18cm

16. ## math

Jaya had three ribbon with her. The length of the green ribbon was 12 metres 50 cm. The red ribbon was 3/4 of the lengh of the green ribbon. The yellow ribbon was 5/2 times the red ribbon.what is the length of the yellow ribbon? Give me the solution in

17. ## english

Read this excerpt from Alexander Pope's The Rape of Lock "No common weapons in their hands are found/ Like gods they fight l, nor dead a mortal wound.../ See, fierce Belinda on the Baron flies/ With more than usual lightning in her eyes..." This account of

18. ## Maths

if seven workers dig a piece of ground in 10 days.How long will 5 workers take.

19. ## physics

In a quarter-mile drag race, two cars start simultaneously from rest, and each accelerates at a constant rate until it either reaches its maximum speed or crosses the finish line. Car A has an acceleration of 11.0 m/s2 and a maximum speed of 110 m/s. Car B

20. ## Math

Your lunch bill is \$19.75. A 5% sales tax will be added, and you want to give a tip of about 20% of \$19.75. Estimate how much you will pay for lunch.

21. ## Art

1. Which of the following is present in this painting? (Adoration of the Shepherds) warm colors movement value asymmetrical balance 2. How did the artist create interesting textures in this image? by experimenting with various brushstrokes by using only

22. ## Science

What is the function of eustachian tube?

23. ## math

Two trucks are traveling in the same direction, one going twice as fast as the other. At the end of 6 hours they are 204 miles apart. How fast is each travelling? Can you guys show me the answer i got 68 and 146 but its wrong

24. ## Math

The sum of two numbers is 94.6. If one number is 19 times the other, what are the two numbers? Please explain how to solve. Thanks

25. ## physics

A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a) θ = 17o and (b) θ = 30o.

26. ## Math

There are 12 girls and 18 boys in a class. What is the largest number of groups they can be split into and have the same number of boys and girls on each team?

27. ## Chemistry

Given the reaction below, and your knowledge of the "Law of Conservation of Mass", what is the missing product from the chemical reaction? How do you know? Zn(s) + HCl(aq) --> ___ + ZnCl2(aq)

28. ## social studies

acording to this quote wich statement best sumierizes the souths agenda

29. ## Math

Write an inequality for the following statement 9 is greater than b

30. ## math

Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 3x − y = −3 6x − 2y = 8 a) one and only one solution b) infinitely many solutions c) no solution can you please show the work

31. ## Math Calc

given the relationship 2x^2 + y^3 =10, with y > 0 and dy/dt = 3 units/min., find the value of dx/dt at the instant x = 1 unit. SUPER CONFUSED DONT GET THE EQUATION!!!!!!!

32. ## Math

A painter mixed 56 quarts of blue and yellow paint using a ratio of 3 blue to 11 yellow how many quarts of blue paint were used

33. ## Math Calc

Given f'(x)=(x-4)(6-2x) find the x-coordinate for the relative minimum of the graph f(x). OPTIONS: 8 6 3 None of these I think it is 3, but I am also conflicted to say none of these because I graphed the function and ant see a minimum.

34. ## MATH

SIMPLIFY:p^2+pq-6q^2/p^2-3pq+2q^2

35. ## math

Consider a box that contains 14 red balls,12 blue balls and 9 yellow balls.A ball is drawn at random and the color is noted and then put back inside the box.Then,another ball is drawn at random.Find the probability? a.both are blue b.both balls are yellow

36. ## Math

A rectangle made of square tiles measures 8 tiles wide and 10 tiles long. What is the length in tiles of a similar rectangle 12 tiles wide?

37. ## math

Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.

38. ## physics

Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 49 kg. The woman pushes on the man with a force of 58 N due east. Determine the

39. ## calculus

how do i get the answer for this limit limit x to 0 (4^2x-1) without using direct substitution my work so far is limit x to 0= (4^2x-1) = (4^2x/4^-1) is it correct?

40. ## physics

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 869 N and the drag force has a magnitude of 1096 N.

41. ## Math

use the digits 6 7 8 and 9 to make a problem with the largest product possible

A survey conducted in a school showed that 65% of the pupils walked to school.the remaining number of pupils took buses to school the ratio of the number of pupils who took school buses to those who took public buses was 4:3.there were 360 more pupils who

43. ## Career

With level 3 in English first additional language do I qualify to study Journalism at universities.

Last month,sam spent 12% of a sum of money on transport and 25% of the remainder on food.of the rest,he gave 1320% to his parents and then bought a bicycle at a sale.if the usual price of the bicycle was 825\$ and the discount was 20%,what was the sum of

45. ## chemistry

Calculatr morality of a solution containing 2.5g of K2CO3 in 1liter of solution (density of solution is 0.85 gram/ml

46. ## Physics

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Last month,sam spent 12% of a sum of money on transport and 25% of the remainder on food.of the rest,he gave \$1320 to his parents and then bought a bicycle at a sale.if the usual price of the bicycle was \$825 and the discount was 20%,what was the sum of

48. ## Chemistry

Mean titre of 0.2M sodium thiosulphate = 32.2 ml 1) Calculate number of moles of S2O32- which react in the titration 2)Calculate how many moles of I2 react with this amount of S2O3 3)How many Cu2+ ions are needed to liberate this amount of I2? Use this

49. ## Geography

What were the two levels of government in New York in the late 1760

50. ## math

Clay earned \$2,600 last he paid \$234 for entertainment. What percent of his earnings did clay pay in entertainment expenses?

51. ## seven lakes junior high school Math

A figure is reflected from Quadrant II to Quadrant III. Is it a x-axis or a y-axis.

52. ## math

find the median, mode and range for 28, 61,19,43,89,126.

53. ## Math

In a school of 350 student there are 40 more girls than boys , how many girls are there? And how many boys are there?

54. ## Math

If it is 4:00 p.m. then what time is 17 hours ago? Is it 11:00 pm?

55. ## Math

One of the largest pumpkins ever grown weighted 4/5 ton. About how much did the pumpkin weight.

56. ## Math

One of the largest pumpkins ever grown weighted 4/5 ton. About how much did the pumpkin weight.

57. ## Calculus

How do you find the total distance a particle travels on a given interval on a graph and net distance?

58. ## Math

A trail mix contains peanuts, chocolate pieces, and raisins. There are twice as many raisins as chocolate pieces. There are 20 less peanuts than raisins. In total, the mix contains 200 trail mix pieces. Write an equation in terms of r (the number of

59. ## pre calc

Formulate a system of equations for the situation below and solve. Michael Perez deposited a total of \$3000 with two savings institutions. Bank A pays interest at the rate of 6%/year, whereas Bank B pays interest at the rate of 7%/year. If Michael earned a

60. ## Math

Hi I am after some help starting this question. A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small \$10, medium \$20 and large \$30. In the previous week a total of 1200 boxes were sold resulting in

61. ## American Government

The trial of a person charged with a federal crime, or a suit involving the infringement of a patent or a copyright, or one involving any other matter arising out of an act of congress is....within the...jurisdiction of the federal courts. A. Concurrent

62. ## math

51 is the product of Rhonda's age and 3.

63. ## Math

I am a polygon. The sum of my angles equals 180. I have two sidesthat are congruent. What am I?

64. ## physics

a ball is thrown Vatican upward with a velocity of 20.0m/s. a) what is the retardation of the ball? b) what distance does it travel before its comes to rest movementally at the top of its motion? c) what is the time taken for the ball to reach its highest

65. ## math check my answer ?

What is the range of f(x)=−3x−1? the set of real numbers less than 0 the set of real numbers greater than 0 the set of real numbers greater than −1 the set of real numbers less than −1

66. ## Science

An object is projected at an angle of elevation of 45 degree with a velocity of 100m/s. Calculate it's range

67. ## math

A person in a kayak starts paddling, and it accelerates from 0 to 0.614 m/s in a distance of 0.372 m. If the combined mass of the person and the kayak is 61.0 kg, what is the magnitude of the net force acting on the kayak?

68. ## Math

I dare someone to do 368.7 divided by 18. Use compatible numbers! I❤U guys!

69. ## Math

The baseball team won 6 games more than they lost if the team won 18 games about what percent of the games did they lose

70. ## math

Every night when Isabella came home from work she put any change she had in her pockets into a jar. One day she wanted to know how much change she had in her jar. She noticed that she had two more nickels than twice the number of dimes, and eight fewer

71. ## Math

If you use \$63.00 divided by nine is seven dollars greater than or less than the exact answer explain

72. ## Math

If a boy run at the rate of 10km/h then whow long will he take to cover a distance of 450 m

73. ## History

How did spices change life in europe?

74. ## math

Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 7.9-kg projectile from rest to a speed of 2.8 × 103 m/s. The net force accelerating the projectile is 6.7

75. ## calculus

f'(-2) if F(x)=g(h(x))

76. ## Calculus

Find f'(1) if f(x)=(h(x))^3 Chart: x= -3,-2,-1,0,1,2,3 g(x)= 0,1,3,2,0,-2,-3 h(x)= 1,2,0,3,-1,-2,0 g'(x)= 1,2,-1,-2,-2,-1,0 h'(x)= 0,-3,-2,3,-2,0,1

77. ## calculus

f'(-2) if f(x)= g(h(x))^3 Chart x= -3,-2,-1,0,1,2,3 g(x)= 0,1,3,2,0,-2,-3 h(x)= 1,2,0,3,-1,-2,0 g'(x)= 1,2,-1,-2,-2,-1,0 h'(x)= 0,-3,-2,3,-2,0,1

78. ## math

The angle of elevation of the top of a building from a point 10m away in level ground is 30.calculate the height of the building

79. ## math

y=1/2x + 3/4 6x+8y=10 Only looking for X Step's in what i did 1.~6x+8(1/2x + 3/4)=10 2.6x+ 8/2x + 24/4 =10 3.(2)(6x+ 8/2x + 24/4 =10)(2) 4.12x+8x+ 24/4=20 5.20x+6=20 6. 20x=14 7. x= 14/20 I don't know what i did wrong. Please help me and if you don't

80. ## calculus

Use the definition of derivative: lim(as h approaches 0) (f(x+h)-f(x)/(h) to find f(x)=(1)/(2x).

81. ## calculus

use implicit differentiation to find dy/dx if 5xy+x^2y=10

82. ## Algebra2

Which expression gives the solution -5+2x^2=-6x?

83. ## College Physics

Two forces and are applied to an object whose mass is 5.75 kg. The larger force is . When both forces point due east, the object's acceleration has a magnitude of 0.979 m/s2. However, when points due east and points due west, the acceleration is 0.639

84. ## calculus

find the equation of the tangent line to the graph of -x^2+2y^2+3x=-2 at the points with x-coordinates x=4

85. ## math

In the figure, ABCD is aparallelogram in which BCis produced to E such thatCE = BC. AE intersects CDat F. Show that ar (∆BDF)= 14ar (ABCD).

86. ## MATH

How do I find 30% of 50?

87. ## Math

Write a real world problem for the equation 3+x=8

88. ## science

writing blanced decomposition formula of Ammonium Carbonate

89. ## Chemistry

How many moles Of (Al2SO4)3 can be prepared from 2.5ml Of H2SO4

90. ## chemistry

writing blanced decomposition formula of Ammonium Carbonate

91. ## History

What union is it ? This union accepted skilled as well as unskilled workers, blacks as well as whites, and men as well as women. As a result, its membership grew quite rapidly.

92. ## Math

I need help solving equation it says to round to the neatest hundredth if needed the problem is 9- 6(1-5a)=-26

93. ## physics

An ostrich with a mass of 139 kg is running to the right with a velocity of 17 m/s. Find the momentum of the ostrich. Answer in units of kg · m/s.

94. ## Science

Explain how would you can locate the pole star with the help of Ursa Major.

95. ## Science

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

96. ## maths

i have £12 per week pocket money. I spend £3.50 on bus fare, what is this as a fraction of £12 ?

97. ## Science

What is Ganga action plan?when it was launched.

98. ## Science

Who discovered an antibiotic called 'pencillin' and when?

99. ## math

The study on calories burned per minute of walking, depending on weight, has a regression equation of ŷ = 1.0 + .06x. The predicted number of calories burned in a minute of walking for a 180 pound person is_____

100. ## dramatic arts

results for dramatic arts

101. ## Algebra

If the father's age in 3 years will be twice the son's age 4 years ago, and if the sum of their ages now is 106, how old is the father now?

102. ## Vectors - Maths

Given that a = i - j + 2k, b = i + 2j + mk and c = 3i + nj + k, are linearly dependent. Express m in terms of n in simplest fraction form. Answer: m = (2n-9)/(n+3) Can someone pls show their working and explanation? Thx a lot ~C~

103. ## Vectors - Maths [Second Question]

Let a = i - j + 2k and b = i + 2j - 4k a) Find 2a - 3b This one was easy. It should be -i - 8j + 16k b) Hence find a value of m such that a, b and c are linearly dependent, where c = mi + 6j - 12k. I struggled to solve this one. Please help me by showing

104. ## Dynamics of rigid bodies

a stone is thrown upward with a velocity of 40m/s.Determine the time of the stone when it is at a height of 10m and is moving downwards.

Define love

106. ## pre calc

Find the point of intersection of the pair of straight lines. y = −5x − 4 −y = 6x + 3

107. ## Pre calc

Find the point of intersection of the pair of straight lines. 2x + 4y = 19 −3x + 3y = 3

108. ## English

The movie called Curcible reveals the church and court both state that all liars will be damned, but only can tell who the real sinners are. What does that mean ? What are they trying to say ?

109. ## math

Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 5/4x − 2/3y = 8 1/4x + 5/3y = 7 Find the solution, if one exists.

110. ## LA

PLEASE check my answer this is my last test and i d not want to mess up PLEASE 1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson

111. ## math

Shawna looked at a study on mortality rates for men and women aged 65 to 74. When the researchers looked at calories of sweeteners consumed per day by women as the explanatory variable, they got a regression equation of ŷ = - 40.857 + 0.704x with r =

112. ## math

What is the missing number 3, 5, 8, ?, 18, 24

113. ## biology

Convert these dates to BP dates (using 1950 as "the present.") Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE

114. ## physics

Can someone please help me? I am having a really hard time with physics. This is not a test question. It is a practice problem from a review website I am supposed to use, but I am having a really hard time. Can someone at least help me to begin setting up

115. ## percentages

This table is used to calculate annual commissions and salaries for car salespeople. What would the total yearly earnings of a sales assistant be who has \$90,000 in sales? Commission & Salaries- Sales Assistant-Base Salary-\$10,000 Sales Person-Base

116. ## GRE Question

the average of 937, 762 and 941 is what percent of their sum?

117. ## Math Calc

Which of the following statements is/are true 1. If f'(c)=0 then f has a local maximum of minimum at x=c 2. If f is continuous on [a,b] and differentiable on (a,b) and f'(x)=0 on (a,b) then f is constant on [a,b] 3.The Mean Value theorem can be applied to

118. ## Math

A map uses a scale of 3/4 cm: 10 miles. If 2 cities are 4 cm apart, what is the actual distance?

119. ## science

Describe how you would investigate effect of pH on enzyme rate. draw labelled diagram?

120. ## physics (mechanics)

the potential energy of a system of two particle separated by a distance r is given by u(r) = A/r , where A is constant . find the radial force Fr that each particle exerts on the other

121. ## Maths

A table top measures 2m by 1m50cm. What is its area in square metres

122. ## Maths

I posted yesterday but feel I confused the issue with an incorrect calculation of an angle, I have just realised my mistake!. I also think I should come clean about my circumstances. I am a mature (very) student, in fact a retired commercial fisherman and

123. ## Science

The act of looking at the two or more thing are alike or different.

124. ## Math

What is the missing number 3, 5, 8, ?, 18, 24 Please write down the pattern, how you got the answer

125. ## maths

the outer curved surface area of a pipe with length 18cm and diameter 10mm is what cm

126. ## thermodynamics

the specific volume of water vapor at 150 kPa and 120 degree celsius is 1.188 cubic meter/kg. determine the molar-specific volume and the density of the water vapor.

127. ## Math

A group orders three large pizzas. Each slice represents 1/12 of the entire pizza. The group eats 3/4 of the pizza. How many slices of pizza are left? Justify your answer

128. ## Math

Girlie can make five rag dolls from six discarded socks .Write four ratios equal to this.

129. ## school md english school

if sec theta =13/12 then find the value of sin theta and cot theta

130. ## History

Your answer 8.5 (C) 1. The Federalists and the Democratic-Republicans emerged as separate political parties partly as a result of disagreement over — * 5 points how the nation should develop economically whether to enforce the Monroe Doctrine how the

131. ## ed tech

which of the following terms describes a ow collected about one specific person or item? 1. record 2. field 3. entry 4. column

132. ## Math

Julie has 8 more than three times as many quarters as dimes. The total value of the coins is \$12.20. How many of each kind of coin does she have?

133. ## Math

Currently, you have \$80 and your sister has \$145. You decide to save \$6 of your allowance each week, while your sister decides to spend her whole allowance plus \$7 each week. How long will it be before you have as much money as your sister?

134. ## physics

An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +7.62 x 105 m/s to a final velocity of 2.56 x 106 m/s while traveling a distance of

135. ## value

an airplane is flying to east 200k m/h which is a velocity relative to the air,while a 100km/h wind blows towards the north-east.what is its resultant velocity?we need soluion and answer for this guestion

136. ## further maths

given that p=i+j-2k and q=2i-j+2k.find two vectors m and n satisfying that m is perpendicular to p,n is parallel to p and m+n=q