total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure

33,671 results, page 96
1. rotations

If the coefficient of static friction between tires and pavement is 0.7, calculate the minimum torque that must be applied to the 63-cm-diameter tire of a 925-kg automobile in order to "lay rubber" (make the sheels spin, slipping as the car accelerates).

asked by Anonymous on March 10, 2010
2. physical sciences

The mass of a minibus is 1500kg,assume that the passenger have an average mass of 50kg each.The driver is moving at a speed of 30m/s when he notice that the traffic light ahead have turned to red.he applied a force of 9000N on the break pedal,calculate

asked by ascentia on February 21, 2016
3. Physics

It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 8 g bullets at the rate of 110 bullets/min, the speed of each bullet being 550 m/s. Suppose too that the

asked by Evan on December 5, 2012
4. calculus urgent help please!

company operates two plants which manufacture the same item and whose total cost functions are C_1=9.5+0.04q_1^(2)and C_2=3.4+0.06q_2^(2), where q_1 and q_2 are the quantities produced by each plant. The total quantity demanded, q=q_1+q_2 , is related to

asked by lalala on January 18, 2012
5. PHYSICS

Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 × 103 kg/m3. What mass of sand grains would have a total surface area (the total area of all the

asked by SARA on February 1, 2013
6. Physics

Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 × 103 kg/m3. What mass of sand grains would have a total surface area (the total area of all the

asked by Catherine on February 2, 2014
7. Chemistry Titration-emergency :(

[HCl]=0.1213M Avg Amount HCl added: 14.15mL Volume of Saturated Solution of Ca(OH)2 in NaOH used: 25 mL and its concentration was 0.05349 M. 1.)Calculate the total [OH ] in the saturated solution of Ca(OH)2 in sodium hydroxide -> for this do I only find

asked by DrBobPleaseHelp on March 18, 2017
8. Physics

A - A hummingbird ﬂies 2.7 m along a straight path at a height of 5.3 m above the ground. Upon spotting a ﬂower below, the hummingbird drops directly downward 1.8 m to hover in front of the ﬂower. a) What is the magnitude of the hummingbird’s total

asked by Anna on October 17, 2017
9. Physics

A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110

asked by Anonymous on April 27, 2011
10. Physics

A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110

asked by Sara on April 29, 2011
11. Physics Class

A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110

asked by Paige on April 28, 2011
12. Algebra

Contributions to the annual Grayson School fund raising campaign were 10% greater in 2004 that they were in 2003. In 2003, contributions were 15% greater than they were in 2002. If contributions for 2004 total \$8855, what was the total in 2002? (remember

asked by samay on February 23, 2018
13. Math

A theater has tickets for \$6 for adults, \$3.50 for students, and \$2.50 for pre-school children. A total of 238 tickets were sold for one showing with a total revenue of \$1142. If the number of adult tickets sold was 10 more than twice the number of student

asked by Tay on April 30, 2017
14. chemistry

The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 30.0C , the total pressure is 980 mm Hg. The vapor pressure of ethanol

asked by mitchell on February 4, 2008
15. algebra

Contributions to the annual Grayson School fund raising campaign were 10% greater in 2004 that they were in 2003. In 2003, contributions were 15% greater than they were in 2002. If contributions for 2004 total \$8855, what was the total in 2002? (remember

asked by Anonymous on March 1, 2018
16. macroeconimics

A bank has \$120 million in total assets, which are composed of reserves, loans, and securities. It’s only liabilities are \$120 million in transactions deposits. The bank exactly satisfies its reserve requirement and its total reserves equal \$6 million.

asked by Anonymous on July 25, 2011
17. Programming

Widget company runs a small factory that makes several types of nuts and bolts. They employ (a)1 (b)2 (c)3. Each factory worker can work a maximum of (a)40 hours normal working hours per week. All hours over 40 are paid as over-time with a maximum

asked by Jessica on April 28, 2017
18. Physics

I'm totally confused and this is due Monday- We're dealing with electrical circuits and I have to construct a circuit with resistors of 10 Ohms, 20 Ohms, 30 Ohms and 20 Ohms. The total resistance has to be 42 Ohms-Can someone direct me how to even begin to

asked by Aubrey on March 26, 2011
19. 8th grade Math

In a quadrilateral , angle CAB is divided into two comgruent angles by line AD. What is the measure, in degrees of angle DAB. Angle B and D are 90 degrees. angle C equals 45 degrees.

asked by Outcast on February 16, 2010
20. math

Rays AB and BC are perpendicular. Point D lies in the interior of angle ABC. If Angle ABD = 4r-7 and angle DCB = 8r+1, find angles ABC and DCB.

asked by Sarah on September 8, 2012
21. algebra

A weather balloon is directly west of two observing stations that are 10 miles apart. The angles of elevation of the balloon from the two stations are 17.6 degrees and 78.2 degrees. How high is the balloon?

asked by judy on December 8, 2012
22. Trigonometry

A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.

asked by Bailey on November 3, 2014
23. Geometry

Line AB is perpendicular to line BC. Point E is in the interior of angle ABC. If angle ABE = 2x+3 and angle EBC = 4x-9, find x. Then find the measure of both angles.

asked by Maria on September 8, 2012
24. math

One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smallest exterior angle of the triangle in degrees?

asked by G on March 11, 2015
25. engineering

Using mechanics of materials principles, (i.e. equations of mechanical equilibrium applied to a free-body diagram), derive the following equations: s’ = s cos2q = s[(1+ cos 2q) / 2] t' = s sinq cosq = s [sin 2q / 2] s=sigma, q=theta, t=tau I have looked

asked by Bob on October 18, 2010
26. physics

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 210 N applied to its edge causes the wheel to have an angular acceleration of 1.161 rad/s2. (b)

asked by jim on November 9, 2011
27. Economics

A firm is currently producing in the elastic portion of its demand curve. What course of action do you recommend for it assuming it wants to raise revenue? Continue producing at the current output level, because it maximizes its total revenue by producing

asked by Ami on November 19, 2011
28. math

Reading readiness of preschoolers from an impoverished neighborhood (n=20) was measured using a standardized test. Nationally, the mean on this test for preschoolers is 30.9 with SD=2.08. A) Children below the 30th percentile (in the bottom 30%) are in

asked by Sasha on April 12, 2012
29. physics

A horizontal force of magnitude 33.5 N pushes a block of mass 3.80 kg a distance of 3.00 m across a floor, where the coefficient of kinetic friction is 0.600. (a) How much work is done by that applied force on the block-floor system?

asked by t.a. on December 18, 2011
30. Physics

A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box?

asked by Joe on March 19, 2013
31. physics laws of motion

a block of mass 300kg is set into motion on a frictionless horizantal surface with help of frictionless pulley and a rope system.what horizantal force F should be applied to produce an acceleration of 1m/s in block

asked by shail on October 17, 2014
32. Physics

A force of 1500 N (pull) is applied to a 200-kg crate at an angle of 20 degrees above horizontal. The coefficient of static friction is .65 and the coefficient of kinetic friction is .43. Does the crate move? If so, what is its acceleration?

asked by Anonymous on December 13, 2016
33. PHYSICS!

A horizontal force of 10 N is applied to the outer edge of a door at an angle of 32° to the door, as shown in a view from the top looking down. The width of the door is 0.80 m. The magnitude of the torque of this force on the door with respect to the

asked by Spencer on June 9, 2012
34. Physics

Two forces are applied simultaneously to a crate sliding in a horizontal plane: 36.8 N to the right and 20.2 N to the left. What is the net force on the crate? Let a force to the right be positive and to the left negative. Give your answer in Newtons.

asked by Mo on November 11, 2014
35. Physics

A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53 degrees to the ground. What is the magnitude of the force of friction of the snow acting on the sled?

asked by PH on November 19, 2012
36. Physics

A 4.96 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=13.7N at an angle theta=16.0degrees above the horizontal. What is the magnitude of the acceleration of the block when the force is applied? I know a=F/m

asked by Emily on February 16, 2016
37. physics

A catcher's mitt recoils a distance of 0.177 m in bringing a 0.176 kg baseball to a stop. If the applied force is 504 N, then what was the speed of the baseball at the moment of contact with the catcher's mitt?

asked by alli on November 25, 2018
38. physics

The information on a one-gallon paint can is that the coverage, when properly applied, is 450 ft sq. One gallon is 231 cubic inches. What is the avg. thickness of the paint in such an application? Please explain how to do this. The answer should be in

asked by gg on September 15, 2008
39. science

A force of 625 N is applied to a hydraulic jack piston that is 0.04 m in diameter. If the piston which supports the load has a diameter of 0.60 m, how much mass can be lifted by the jack? Ignore any difference in height between the pistons

asked by teri on January 17, 2010
40. Physics

An iron disk has a radius of 0.625 m and a mass of 217 kg. The disk is mounted on its axis so that it is free to spin. How much force is required if the force is applied at a distance 19.5 cm from the axis of rotation?

asked by Ann on November 21, 2014
41. Physics

Figure 6-24 shows an initially stationary block of mass m on a floor. A force of magnitude 0.540mg is then applied at upward angle 16 degrees. What is the magnitude of the acceleration of the block across the floor if (a)Us=.6 and Uk=.5 and (b) Us=.4 and

asked by Stan on March 3, 2010
42. college physics

Two blocks with masses m and M are pushed along a horizontal frictionless furface by a horizontal applied force. The magnitude of the force either of these blocks has on the other is: M being a bigger mass than m of course. I think the answer is: mF/(M-m)

asked by Ryan on December 17, 2009
43. Physics

George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons. What is the power applied to push this wheelbarrow? A. 1.2 watts B. 3.4 watts C. 6.9 watts D. 13 watts

asked by fredrick on March 19, 2013
44. PreAP Physics

A force of 600N is applied to a metal box to pull it 15 m across a floor. The roped used to pull the box is held at an angle of 46 degrees with the floor. How much work is done? My answer is w= 6251.93J

asked by Mandy on November 23, 2011
45. physics

Three co-linear forces f1=45 N west,f2=63 N east and an unknown force f3 are applied to an object.the resultant of the three forces is 12 N west determine the magnitude and direction of the force f3 using algebraic calculations. Thank you indvance.

asked by melissa on June 3, 2015
46. Physics

A roller of mass 300kg and radius 50 cm lying on horizontal floor is resting against step of height 20 cm. the minimum horizontal force to be applied on the roller on the step is Ans:3920N

asked by Thousif on November 1, 2017
47. chemistry

If 145 J of heat energy is applied to 34.47 g of an unknown metal, the temperature increases from 61.0 degree C to 78.5 degrees C. What is the specific heat capacity of the unknown metal?

asked by Max on January 31, 2013
48. Chemistry

Can the term hydration be applied to the solvent carbon tetrachloride? Explain your reasoning. If it cannot be used, what term can? Hydration: is when water is the solvent and the solute particles are said to be hydrated.

asked by Dick Rogers on October 22, 2007
49. Physics

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

asked by Maja on October 17, 2011
50. constant acceleration

A car starts from rest and travels for 5.0 s with a uniform acceleration of +1.9 m/s2. The driver then applies the brakes, causing a uniform acceleration of -3.0 m/s2. If the brakes are applied for 3.0 s, determine each of the following.

asked by Anonymous on September 17, 2010
51. physics

A student pulls a 5kg wagon with a constant speed of 1m/s along a horizontal surface. The force of friction between the wagon and the surface is 10N. What is the applied force?

asked by Anonymous on November 2, 2008
52. Electrical theory

A series RL circuit contains two resistors and two inductors. The resistors are 27 W and 47 W. The inductors have inductive reactances of 50 W and 40 W. The applied voltage is 120 V. What is the voltage drop on the inductor that has 40 W of reactance?

asked by sam on January 26, 2019
53. Physics

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

asked by Maja on October 17, 2011
54. Physics

A 120-V rms voltage at 60.0 Hz is applied across an inductor, capacitor and a 100-Ω resistor in series. If the maximum value of the current in this circuit is 1.60 A, what is the rms value of the current in this circuit?

asked by Lewis on August 7, 2016
55. help

A car starts from rest and travels for 8.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.0 m/s2. If the brakes are applied for 1.0 s, determine each of the following.

asked by Anonymous on September 24, 2010
56. Physics

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

asked by Maja on October 17, 2011
57. Physics

An elastic chord can be stretched to its elastic limit by a load of 8.0N. Assuming it gives an extension 250cm when a load of 0.4N is hung. What would be the chord length when a force of 2.8N is applied?

asked by Josh on February 21, 2018
58. physics

an initially stationary block of mass m on a floor. A force of magnitude 0.540mg is then applied at upward angle of 16. What is the magnitude of the acceleration of the block across the floor if (a)Us=0.6 and Uk=0.5 and (b)Us=0.4 and Uk=0.3 ?

asked by beav on February 27, 2010
59. accounting

Inventory Accounts and Cost of Goods Sold [LO 6] Smith Die Company manufactures cutting dies for the shoe industry. Each set of dies is custom designed to a customer’s templates. During the first week of May, six orders were received from customers. They

asked by chunky on January 18, 2012
60. math

the total length of 2 ropes A and B is 7.23 m. the total length of 2/5 of Rope A and 3/4 of Rope B is 3.97 m. Find the length of Rope A.(Skill: equations) (step by step and give explanation if can)

asked by widyan on January 20, 2012
61. Finance

Suppose a new company decides to raise a total of \$200 million, with \$100 million as common equity and \$100 million as long-term debt. The debt can be mortgage bonds or debentures, but by an iron-clad provision in its charter, the company can never raise

asked by Alice on October 20, 2011

Each exterior angle of a regular polygon is 15 degrees. 1.Determine the number of sides of the polygon. 2.What is the sum of the interior angles? if the exterior angle is 15, then the interor angle is 165. 165n=(n-2)180 solve for n. I need help to study

asked by Shay on February 25, 2007
63. English

Can you please check these sentences for me? Thank you very much. 1) Robotiv planes and search robots can be used in rescue situations such as after natural disasters. 2)Tney can be built and launched in 15 minutes. They are equipped with cameras and

asked by English on December 22, 2010
64. science ( physics)

hello, i am having trouble with this problem. Calculate the average force of friction acting on a wood block as it is propelled along the floor by an elastic band ? my solution and my ideas: What does it mean by average froce of friction? I first weighed

asked by charlie on May 30, 2007
65. work force leadership

A supervisor needs to produce metal nameplates for bicycles. Two machines are available. The first requires a single die that costs \$600. The plates will take 3 minutes each to produce at a total cost of \$60 an hour. The second machine requires no initial

asked by jesse on October 10, 2014
66. physics

An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +13.0 m/s^2. At t(subscript 1), the rocket engine is shut down and the sled moves with a constant velocity v until t(subscript 2). The total distance traveled

asked by Sela on October 5, 2009
67. physics

A car travels in a straight line with an average velocity of 85 km/h for 2.5 h and then with an average velocity of 30 km/h for 1.5 h. (a) What is the total displacement for the 4 h trip? _____________________ km (b) What is the average velocity for the

asked by MeganErin on September 12, 2010
68. Physics!! Help!!!!!

. A neutral conducting sphere contains a spherical cavity. A point charge +q is located at the |center of the cavity. A. What is the total surface charge on the interior surface of the conductor? B. What is the total charge on the exterior surface of the

asked by Melissa on February 3, 2012
69. math

A cheese pizza costs \$5. Additional toppings cost \$1.50 each. Write and graph an equation in two variables that represents the total cost of a pizza. Let tt represent the number of toppings and cc represent the total cost of the pizza.

asked by kile on February 13, 2017
70. ~MATH~

***Check Answers Plz*** 1)suppose the total momentum of two masses before a collision is 100 kg m/s.what is the total momentum of the two masses after they collide? a~0 kg m/s b~50 kg m/s c~100 kg m/s****(My answer) d~200 kg m/s 2)What is the momentum of a

asked by ****Kayla**** on February 4, 2015
71. PHYSICS

The peak value of the ac current in a circuit is 6.0 A, and peak value of the ac voltage applied to the circuit is 8.9 V. What is the average power P delivered to the circuit?

asked by YANA on March 4, 2011
72. Computer Science

Design a program that will ask the user to enter the amount of a purchase. The program should the compute the state and county sales tax. Assume the state sales tax is 4 percent and the county sales tax is 2 percent. The program should display the amount

asked by AB on May 17, 2012
73. Math

A court is 94ft long by 50ft wide.It contains 3 circles, each with a diameter of 12 ft. Two of the circles are located at the free throw line with "half of each circle shaded" and the third circle is at the center. Within the third shaded circle is another

asked by Parker on May 15, 2015
74. Physics

In lightning storms, the potential difference between the earth and the bottom of the thunderclouds can be as high as 35000000 V.The bottoms of the thunderclouds are typically 1500 m above the earth, and can have an area of 110 km^2. Modelling the

asked by jenish on February 4, 2008
75. math

Wendy took a trip from city A to city B, a distance of 560 mi. She traveled part of the way by bus, which arrived at the train station just in time for Wendy to complete her journey by train. The bus averaged 40 mi/h, and the train averaged 110 mi/h. The

asked by roger on September 3, 2012
76. Statistics / Math

If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. ********non***regular heavy total man*****135*****64******5*****204 women***187****21*******9*****217

asked by Sam on February 26, 2008
77. physics

A car battery has a rating of 200 ampere·hours (A·h). This rating is one indication of the total charge that the battery can provide to a circuit before failing. What is the total charge (in coulombs) that this battery can provide? Determine the maximum

asked by rick on January 30, 2008
78. Physics

A plane directly east at a velocity of 860 km/h for 45 min and then travels directly west with a velocity of 720 km/h for 1h and 30 min. Find the following values for this plane, expressed in km and km/h: a) Total displacement b) Total distance c) Average

asked by Student12 on March 16, 2017
79. math

a rental car company charges a fixed fee of 30\$ plus \$0.05 per mile. let c represent the total cost of renting a car and driving it m miles. Write a equation that could be used to find the total cost of renting a car and driving it any number of miles.

asked by crystal on April 24, 2018
80. physics

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 88-N picture is then hung from the center of the wire, as the drawing illustrates, so

asked by robert on April 14, 2012
81. chemistry

The tail of A vector is fixed to the origen of an X, Y axis system.Originally the vector points along the X axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of the X and Y components of the vector compare to the size of the

asked by anonymous on February 6, 2007
82. Physics

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 98-N picture is then hung from the center of the wire, as the drawing illustrates, so

asked by Samantha on November 23, 2013
83. Physics

Light is incident from water onto a flat transparent slab of material, at an angle of 48.8° with the normal. The reflected ray and the refracted ray are perpendicular to each other. What is the index of refraction of the transparent substance?

asked by Kiana on January 24, 2013
84. Physics

A 10N block is attached to the wall by a rope on a frictionless surface. If the lower surface makes an angle of 30 degrees with the horizontal, calculate the (a) normal force (b) tension on the rope.

asked by Lexi on November 8, 2011
85. physics

Light is incident from air onto a flat transparent slab of material, at an angle of 62.2° with the normal. The reflected ray and the refracted ray are perpendicular to each other. What is the index of refraction of the transparent substance?

asked by Ted on January 20, 2015
86. Math Calculator help

Assume that a normal distribution has a mean of 21 and a standard deviation of 2. Use the empirical rule to find the percentage of values that lie above 23. Now I did this on the Ti 83 by using Normalcdf(-5,1) and getting an answer of 0.84 and then 1-0.84

asked by HM on November 25, 2011
87. physics

The upward normal force exerted by the floor is 620 N on an elevator passenger who weighs 650N. What are the reaction forces to these two forces? Is the passenger accelerating? If so, what are the magnitude and direction of acceleration?

asked by colleen on August 22, 2009
88. Chm 2046

The normal boiling point of liquid ethanol is 351 K. Assuming that its molar heat of vaporization is constant at 37.5 kJ/mol, the boiling point of C2H5OH when the external pressure is 1.35 atm is K.

asked by Camaro Lover on February 1, 2013
89. math

What is the name for the partial differential symbol (∂)? I see some papers use greek lowercase delta instead (δ) where I believe they are implying a partial differential. Is this normal? Is there supposed to be a conceptual difference between the two

asked by anonymous on February 6, 2009
90. General Chem lab

Hi, how do I calculate how many grams of unknown diprotic acid are needed to make 150mL of 0.750N (normal) solution? and to make 125mL of 0.500M (molar) solution? we have 0.5000M of NaOH.. Please help me...

asked by Ashley on October 30, 2011
91. calculus

An automobile travels at a constant speed around a curve whose radius of curvature is 2000m. What is the maximum allowable speed if the maximum acceptable value for the normal scalar component of acceleration is 1.5m/s squared?

asked by aimi najwa on April 24, 2013
92. Math

The probability of winning a large stuffed animal in the ring-toss game at a fair is 10%. Find the probability of winning at least 5 of 50 games using normal approximation. I got 0.4052 but answers says it's 0.5932. Please help!

asked by Selena on June 25, 2017
93. Physics

You are in an elevator that is accelerating upwards at 2m/s^2. If your mass is 70kg, what is the normal force pushing on you by the floor of the elevator? A. 70N B. 690N C. 830N Please give the correct answer and an explanation as to why its correct.

asked by Anon on October 14, 2016
94. Microeconomics

Kuo S. Huang estimates that with every 15% increase income, the quantity of turkey purchased declines by 1.8%. From this information one would conclude that turkey is: a luxury. a necessity. an inferior good. a normal good.

asked by Kathy on May 26, 2009
95. computer

Hi my question is that that i`ve downloaded mozilla now my question is that by mistake i pressed a button and screen became too small of that site now how shall i make it back to normal as large as it was??? plz i need help coz i have to study so plz help

asked by Bilish1 on June 30, 2009

Will someone please check my answers for me? I put arrows(

asked by Anonymous on June 21, 2012
97. Math-NPV

Net Present Value Big Steve's makers of swizzle sticks, is considering the purchase of a new plastic stamping machine. This investment requires an initial outlay of \$110,000 and will generate net cash inflows of \$17,000 per year for 11 years. a. what is

asked by Callie on June 15, 2015
98. Math

You have a total of 21 coins, all nickels and dimes. The total value is \$1.70. Write and solve a system of equations to find the number of dimes d and the number of nickels n that you have. I already wrote the equations: n+d=21 and 10d+5n=1.70. But I don't

asked by Angie on April 20, 2009
99. College linear word equation

Joe receives a base salary of \$42,000 annually and a commission of 10% of the total sales he makes for the year. If Joe sales are \$800,000 of goods. What is his total salary for the year?

asked by Mike on July 10, 2017
100. Algebra

On three consecutive passes, a football team gains 5 yards, loses 25 yards, and gains 42 yards. What number represents the total net yardage? The total net yardage is ___ yards.

asked by Anonymous on August 2, 2008