Posts by ashley

Total # Posts: 3,527

Chem
Where is the NO3 and KCl?

Chem
Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) and KCl(aq).

Math
Consider the graph of the parabola ​f(x)equals=x squaredx2. For xgreater than>0 and hgreater than>​0, the secant line through​ (x,f(x)) and ​(xplus+​h,f(x+h)) always has a greater slope than the tangent line at​ (x,f(x)). Choose the ...

Chemistry
What is the name of the compound NO3. (Not NO3-, nitrate)???? Please help!

Physics (Help Plz)
Ilya and Anya each can run at a speed of 8.00 mph and walk at a speed of 3.50 mph . They set off together on a route of length 5.00 miles . Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half. 1) Find Anya's ...

NAVL Science (help)
Apparently the equation relationship is : P(vac) = P(atm.) - P(abs) But I need help to find the answers

NAVL Science (help)
The USS Ronald Regan's (CVN 76) barometer reads 30.14 in-hg. A vacuum gage at the port main condenser reads 18.25 in-Hg. What is the pressure relationship for this gage? What is the absolute pressure, in Psia, for the port main condensor?

SAT Prep's
A survey asked students from grades 8 and 9 about their favorite sport. The table contains data from the survey. Baseball Basketball Football Hockey Soccer Grade 8 8 2 12 3 5 Grade 9 6 3 10 2 4 The percentage of 8th grade students who said football is their favorite sport is...

Math problem soving
Ok if someone can help me understand I greatly appreciated. I want to know how this is the answer the numbers in table I know answer is day 6 but the pattern?. I got it wrong in my exam. The teacher explained it to me but I still don't get it. On July 5,in the area around ...

Math
PLEASE HELP! If 1 is the square root of dividing-OH FORGET IT IM SEXY AND YAAAAAS WERK IT

Math question for Steve
Hi Steve you answered on my question regarding bigfoot call I can see on the six day but what is the pattern tof get to six day . The numbers of calls total

Math problem soving
Ok if someone can help me understand I greatly appreciated. I want to know how this is the answer. I got it wrong in my exam. The teacher explained it to me but I still don't get it. On July 5,in the area around center village,there was great excitement. Six different ...

SS
How did United domestic policy boost production during the war?

Ss help pls don't have a lot of time
Is it that

Ss help pls don't have a lot of time
Kuwait

Ss help pls don't have a lot of time
What country on the Arabian peninsulas has the highest lireracy rate? A- Kuwait B-Yemen<<<<< C-Tunisia D-Algeria

SS
Which reason best explains the motivation for American expansionism?

Science
how does an individual’s genetic makeup interact with nutrition, smoking

Life Orientation
1: Define inhumane farming methods 2: Give at least three examples of inhumane farming methods and motivate why you regard them as inhumane 3: Suggest and motivate at least four ways by which these farming methods could be made humane

Art Help plzs
which word means to influence someone in a positive and exciting manner?

algebra
i didn't mean to add that sorry

algebra
1.) The volume of a rectangular box is 64 ft3. If the width is 3 times longer than the height, and the length is 9 times longer than the height, find the dimensions of the box. Define your variables then show all work using the equation editor. Write a sentence that explains ...

algebra
what typo?

Psychology
1.The rational style of learning sometimes conflicts with the traditional school environment. Could a school be created that takes advantage of the characteristics of the rational style? How? Are there types of learning for which the analytical style is clearly superior? 2....

Math calculus
An ice cube is 3 by 3 by 3 inches is melting in such a way that the length of one of its side is decreasing at a rate of half an inch per minute. Find the rate at which its surface area is decreasing at the moment when the volume of the cube is 8 cubic inches

Algebra
Sara can write a paper in 5 hours and Jasmin takes 7 hours. How long will it take the two of them writing together?

Algebra
Y=7X-16, 7X+ Y=3 are these lines perpendicular, parallel, or neither

Math
What is the least number possible with 5 in the thousand place , use the digits 4 5 6 7

ALGEBRA
A motorist drove 180 mi before running out of gas and walking 6 mi to a gas station. The motorist's driving rate was twelve times the walking rate. The time spent walking was 3 h less than the time spent driving. How long did it take for the motorist to drive the 180 mi?

algebra
As part of a conservation effort for a lake, 70 fish were caught, tagged, and then released. Later, 80 fish were caught from the lake. Four of these 80 fish were found to have tags. Estimate the number of fish in the lake.

Pre-Cal (Help Plz)
[Note: I've attempted these problems 4 times and I haven't been able to get any of them correct. I really need help with this, please.] Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. ...

Physics
0.255 kg catcher is attached by a 45.0 cm long massless cable to a frictionless axle. The catcher is initially at rest. A 0.144 kg ball with a radius of 0.0875 m rolls without slipping from a height of 1.25 m and is captured by the catcher. For a solid ball, I = (2/5)MR2. (a) ...

Pre-Cal: Domain (cont.)
I figured out problems 1-7, arithmetically (thank you all for the help on that) But not number 8: f(x)=5/x , g(x)=7/(x+7) #7). Find (f/g)(x) Answer ==> [5(x+7)]/[7x] #8). Find the domain of (f/g)(x). (enter your answer using interval notation)

Pre-Cal: Domain
[Note: I really need help on these Domain questions. I've been struggling with this all day] -Consider the following: f(x)= 5/x , g(x)= 7/(x+7) -Find the solutions to the following: 1). (f+g)(x) 2). Domain of (f+g)(x) [Use interval notation too] 3). (f-g)(x) 4). Domain of...

college Algebra
Y=7x-16, -7x+y=3 are the lines perpendicular, parallel or niether

Statistics
A certain disease occurs in 4% of the population. A blood test for this disease shows a false positive 12% of the time. That means a test will show positive given that the person does not have the disease. What is the probability that a person tests positive but does not have ...

7th Math
Are you just trying to get other people to do your homework for you?

math
A simple random sample is drawn from a normally distributed population. The value of which of the following will not be known for certain but can be inferred?

Literature
Discuss the role of Edna. Why is she significant, even though she is a very minor character? What does she teach Keisha and Jalani about people who are homeless and/or needy? What is meant by her statement, "Yo spirit is a shinin' silver star, chile. Can't nobody ...

Common Core Math7
A school store has 1,200 pencils in stock and sells and average of 25 pencils per day. The manager reorders when the number of pencils in stock is 500. Write and solve an equation to find out how many days will pass before the manager needs to order more pencils.

Language Arts
1.d 2.c 3.b 4.c 5.a 6.a,c 7.c 8.d 9.c Ok here are the answers to English quiz for the book. Trust me they are right answers. I took the test. #LOTSOFLOVE

Language Arts
By reading the book, I thought it would be d. Because getting killed is the most tragic happening. But let me take quiz. I will tell you then.

Math
Did you get it?

health
The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning I think it could be b and c?

Math
The numbers of two consecutively numbered gym lockers have a sum of 153. What are the locker numbers?

Math
P/100 = 270/450

Social Studies
What's the answer to all the questions

Math
A 6-inch pizza costs $3.50. A 12-inch pizza costs $11. How much less is the area of the 6-inch pizza than the area of the 12-inch pizza? Express your answer to the nearest hundreth.

Social Studies
Thank you Iris! No one else wanted to put it... so much for help...

Math
Ros's dog sparky is 24 inches long. One side of sparky dog house is 36inches long and the other side is twice as long as sparky. What is the distance around sparky doghouse

Math
A spa is 9 yards long and 7 yards wide. A locker room 8 yards long and 6 yards wide is at one end of the spa. How much floor space do the spa and the locker room take up?

Math
Can you explain to me how?

Math
Zack is planning to make a flower garden. He has 24 one-yard sections of fence that he place around the garden. He wants the garden to be as long as possible. What is the longest length he can use for the garden? How wide will the garden be?

Math
Thank you...

Math
The floor of a delivery van has an area of 56 square feet and is 8 feet long. How many rows of 8 boxes that measure 1 foot by 1 foot can be put in the delivery van?

Math
5. Joe Sullivan invests $9,000 at the end of each year for 20 years. The rate of interest Joe gets is 8% annually. Using the tables in the Business Math Handbook that accompanies the course textbook, determine the final value of Joe's investment at the end of the 20th ...

Business math - question help
At the beginning of each year for 14 years, Sherry Kardell invested $400 that earns 10% annually. What is the future value of Sherry's account in 14 years? A. $14,000 B. $13,100 C. $12,309 D. $12,709 Answer: D? I've calculated several times and come out with C or D ...

Elementary education
Yes math

Elementary education
A napkin ring is being made of cast silver. It has the shape of a cylinder 1.25 inches high, with a cylindrical hole 2 inch in diameter and a thickness of 1/16 inch. How many ounces of silver are needed? [silver weighs 6 ounces per cubic inch]

Math
An ice cream cone is 5 inches high and has an opening 3 inches in diameter. It is filled with ice cream and then given a spherical top. How much ice cream is there? The top part is 1/2 of a sphere.

Bus. Math
What is the effective interest rate of an 8% 13-week Treasury bill? Assume it is a $10,000 Treasury bill, and round your answer to the nearest hundredth percent. A. 8.20% B. 9.00% C. 8.17% D. 8.16% Answer: D??

Algebra
Lisa set a weekly goal of jogging 18 miles. On each of the first 3 days, she jogged 2 3/8 miles. How many more miles must she jog to reach her goal?

Business Managment
I've read this chapter several times and I am just not understanding this question...please help! 3. What aspect of an employee can be analyzed with the following connecting sequence? Needs ̈ Drives or motives ̈ Achievement of goals A. Needs C. Achievement B. ...

Chemistry
The specific heat of aluminum is 0.900*j/g*C How much heat is required to raise the temperature of a 30.0 g block of aluminum from to 25.0 oC to 75 oC?

Math
1/12

Calculus
Two cruise ships leave the same point outside St. John’s harbor at noon. Ship A travels west at 20 km/hr, while Ship B travels south at 25 km/hr. Using calculus, determine how fast they are separating from each other at 2:00 p.m.

Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains leave the station at the same time, after how many seconds will ...

Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains, leave the station at the same time, after how many seconds will...

Algebra
If the area of a triangle is 110 square units and the base is 2x+12 and the height is x+5, what is the numerical base and height?

Math
Sam wants to find the height of a window in a nearby building but it is a cloudy day. Sam puts a mirror on the ground between himself and the building. He tilts it so that when he is standing up he sees the reflection of the window. The base of the mirror is 1.22 meters from ...

Math
Sam wants to find the height of a window in a nearby building but it is cloudy. Sam puts a mirror on the ground between himself and the building. He tilts it toward him so that when he is standing up he sees the reflection of the window. The base of the mirror is 1.22 meters ...

Math
Miguel is 5'10" tall and cast a shadow that is 4"8" tall, a nearby tower cast a shadow that is 8"9". How tall is the tower?

Chemistry
Elemental sulfur occurs as octatomic molecules, S8. What mass of fluorine gas is needed for complete reaction with 24.1 g sulfur to form sulfur hexafluoride? I don't know where to even start with this question

trig plz help
Solve. Round off your answer to the nearest foot. (The picture is not drawn to scale.) A balloon is 1500 feet above the ground. The angle of depression from the balloon to headquarters is 46°21'. How far is the headquarters from a point on the ground directly below the...

last 2 questions trig!!
4. Solve the triangle(s), if possible. Round to the nearest tenth. Solve the triangle. Side a = 8, side b = 10, side c = 12 6. Two boats leave the same dock at the same time. The first sails in a straight line N40°W at 36 miles per hour and the second goes in a straight ...

trigonometry
In questions 2A, 2B, and 2C below, find the exact values using the given information: sin α = 1/6 with α between 0 and π/2 sin β = 3/5 with β between π/2 and π 2A. Find cos (α + β) 2B. Find tan (2β) 2C. Find sin (β/2)

plz help trig!!!!!
A boat sails 20 km in a direction of N75°E. Draw the 20 km travelled in a direction of N75°E as a vector v in standard position. Find the component form of the vector v. Round your answers to the nearest hundredth. 2 pts. B. Next, the boat turns and sails 10 km in a ...

college algebra
there are three consecutive even integers such that twice the first is 20 more than the second. find the largest integer

stat
You take a trip by air that involves three independent flights. If there is an 72 percent chance each specific leg of the trip is on time, what is the probability all three flights arrive on time? (Round your answer to 3 decimal places.)

Algebra 2
Liz has a rectangular garden with a walkway around the edge. with the walkway included the entire garden area has a 20 foot length and an 18 foot width. At the edge of the walkway it is twice as wide as it is at the edge of the width. The area of the garden itself without the...

Physics
A small marble is placed in the bottom of a large bowl. If the marble is given a small push it will oscillate back and forth about the bottom of the bowl, moving along a small arc with radius 0.50 m. Assuming the marble rolls without slipping what is the period of this ...

Physics
The axle of a solid wheel of mass M and radius R is attached to a horizontal spring of constant k as shown below. Derive and simplify an expression for the period of the wheel’s oscillation, assuming it rolls back and forth without slipping. Answer T= 2pi squrt(3M/2k)

Physics
A certain object of mass 0.50 kg moves along the x-axis. Its potential energy is given by U = 3x2 + 8x. Starting at rest, the object is released at the origin. (a) Find the maximum speed attained by the object. (b) Find the position about which it oscillates. (c) Find the ...

science
Ammonium nitrate breaks down into Dinitrogen monoxide and dihydrogen monoxide

Math
The diagram below shows garden. Estimate part of the garden used for planting beans. Explain how you decided.

Physics
The teacher gives us the answer, but still thank you!

Physics
For each of the following functions describing the net force on a particle, determine any and all positions of equilibrium and characterize each as stable or unstable. (a) F = 4x − 2x3, (b) F = x2 + x − 6, (c) F = 5x − 9. Answer: a. x = 0, unstable; x = &...

chem
Suppose a g is collected in 145 mL flask whef-tfle temperature of the gas is 23°C and the pressure of the gas is 785 mm Hg. Calculate the volume ofthe gas at STP.

Math
What is sin Θ given (3,-2) is a point on the terminal of Θ? A.-2/3 B.-sqrt13/13 C.3sqrt13/13 D. -2sqrt13/13 I think it's C

Math
Cos(-Θ) = Sqrt2/3 SinΘ<0 What is the value of sin Θ? A. Sqrt7/3 B.-sqrt7/3 C.sqrt14/7 D.-sqrt14/2 I think it's C

Pre Algebra
Laura inherits $52,000 and decides to invest part of it in an education account for her daughter and the rest in a 5-year CD. If the amount she puts in the education account is $7,000 more than twice the amount she puts in the CD, how much money does Laura invest in each account?

math
What is the fist one?

spanish
d.

Math
123+45-67+8-9=100

Algebra Applications
Jacqueline is 115 miles away from Miranda. They are traveling towards each other. If Miranda travels 9 mph faster than Jacqueline and they meet after 5 hours, how fast was each traveling?

Damon or DrBob please help..chemistry/physics
Question: 0.37 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 51 °C and 36 atm pressure undergo an expansion against a constant external pressure of 1.06 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.06 atm. Calculate the change in enthalpy, &#...

Physical Chemistry - please help!
Opps, the question should be: 0.37 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 51 °C and 36 atm pressure undergo an expansion against a constant external pressure of 1.06 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.06 atm. Calculate the ...

Physical Chemistry - please help!
Question: 0.19 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 83 °C and 47 atm pressure undergo an expansion against a constant external pressure of 1.19 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.19 atm. Calculate the change in enthalpy, &#...

Chemistry
1) 0.19 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 83 °C and 47 atm pressure undergo an expansion against a constant external pressure of 1.19 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.19 atm. Calculate the change in enthalpy, ΔH 2...

Math
Two numbers whose are in the ratio 4:3. Their sum is 70. Find the numbers.

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