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Math
If two coins are tossed, what is the probability that the first coin will show heads and the second coin will show tails? a. 1/2 b. 1/4 c. 1/8 d. 1/16

Calculus II
Evaluate the integral by first performing long division on the integrated and then writing the proper fraction as a sum of partial fractions. x^4/x^2-9

forensic
Select the proper order of examination "Fingerprints, trace evidence, DNA" "Disease diagnosis, DNA, fingerprints" "Ink analysis, content analysis, DNA" "Handwriting, ink analysis, DNA" None of the above my answer is the first one

Math
At 3:00am your parents ring the doorbell for a surprise breakfast.u have strawberry jam,honey and Bread and cheese wat do u open first

Math
Two bees have found a food source. The first bee’s path to the hive follows the line . The second bee’s path follows the line . Their paths cross at the hive. Use substitution to solve the problem. What are the coordinates of the hive?

matha
Please I am lost on how to find the derivative of function using first principal,could someone please work out an example on how to solve such problem?

PHYSICS!
At a certain point in a pipeline the water's speed is 4.00 m/s and the gauge pressure is 5.00 x 10^4 Pa. Find the gauge pressure at a second point in the line, 12.0 m lower than the first, if the cross-section area at the second point is twice that at the first.

Finance Question - Formulas
Instead of spending the $50 a month you receive, you decided to invest it in your money market account at your bank. Assuming you will earn an average of 5% each year and inflation is forecasted to 2.5% a year, how much have you effectively earned after ten years? (Hint: must ...

Economics - Formula Help
Instead of spending the $50 a month you receive, you decided to invest it in your money market account at your bank. Assuming you will earn an average of 5% each year and inflation is forecasted to 2.5% a year, how much have you effectively earned after ten years? (Hint: must...

Math
ALi rents a car for d days. He pays m dollars per day for each of first 7 days, and half that rate for each additional day. Find total rent, if d greater than 7?

Calculus
The prompt for all of these question is "consider the function f(x) = sin^2(x)". Part A: Write the first four terms of the Maclaurin series for f(x). I assumed this implied non-zero terms, so I found x^2-(1/3)x^4+(2/45)x^6-1/315(x^8). I am fairly confident about this. Part B: ...

Algebra 2
Neela's clock is broken the minute hand rotates around the clock correctly but the hour hand is stuck in the three o'clock position. Suppose neela first looks at the clock when the hands are aligned and it shows 3:15. She looks at the clock again and sees that the hour and ...

Math
Here's another problem The number of homes sold is growing according to a linear growth model. The first week 4 homes were sold (P0=4) The second week a total of 10 homes were sold. (P1=10) n=0-1st week po=4 p1=10 d=6 n=1-2nd week d=p1-p0=10-4=6 Write the recursive Formula for...

Math
Please Help! The number of cars sold weekly by a new automobile dealership grows according to a linear growth model. The first week the dealership sold five cars (P0=5 ). The second week the dealership sold cars (P1=12 Pn = Pn−1+7 12-5=7 Pn=5+7n If this trend continues, how ...

math
market price of an article is rs150. 2 successiue discounts are allowed on it.if second discount be 12 1/2% and selling price of article be 105rs.then first discount is?

Mathematics-Complex Numbers
Question: If z1 , z2 ,z3 are complex numbers and |z1|=|z2|=|z3|=1 and (z1)^3+(z2)^3 + (z3)^3 +z1*z2*z3=0 find the maximum and minimum values of |z1+z2+z3|. My thoughts on the question: Let z1=a , z2=b and z3= We know that |a+b+c| <= |a| + |b+c| |a|=1 So |a+b+c|<= 1 + |b+...

Chemistry-pH
Question: v cm3 of a 0.2 M HX solution and v cm3 of 0.1 M KOH solution is mixed.pH of the final solution is 5.3 1)Find ka of HX 2)Find the moles of NaOH and HCl should be added respectively,for the pH of 1dm3 of the solution to increase and decrease by 1 My thoughts on the ...

Math (fractions)
I am not being lazy, I've tried to get this done several times, but I am VERY bad when it comes to fractions. Barbara, Donna, Cindy, and Nicole ran in a relay race. Barbara: 3 3/10 Donna: 2 4/5 Cindy: 3 2/5 Nicole: 2 1/10 1. The four girls ran in a relay race as a team. If ...

math
A cyclist took 3 1/3 hours to cover 46 km. For the first 30 km, he cycled at 15 km/h. Find his speed for the last part of the journey.

Math
The first term is 23, and the common difference is 4 ; n= 5

Math
Write out the first five terms of the sequence an=3(4n-1)

statistics
Select three different five card combinations or five-card hands from your favorite card game that utilizes a standard 52-card deck containing four suits (clubs, hearts, diamonds, and spades), with each suit containing 13 cards with numbers 2-10 and face cards ace, king, queen...

Statistics
Can someone please help with this? A measurement follows the normal distribution with a standard deviation of 15 and an unknown expectation μ. You can consider that measurement to be the "original" distribution. Two statisticians propose two distinct ways to estimate the ...

Chemistry-kd
This equation you've mentioned in your answer to my recent question regarding kd, f=[1+(KD*Vo/Va)]^-(n) ,is this a general equation we can use directly? This is the first time I've come across with this..

Algebra 2
Aimee inherited $15,000. She chose to invest it in a series of municipal bonds, mutual funds, and money market accounts, which paid annual interest rates of 5%, 6%, and 4%, respectively. She invested $2,000 more in mutual funds than she invested in bonds. After the first year...

math
At first, a price was decreased by 12%, then it was discounted again by an additional 5%. What is the total percent of the discount?

Math
The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number. I have solved please check this. 9=x/45 ,so x=415. 10=x/20, x=200 and 8=x/24, x=192 So,415-(200+192)=23.answer Is this way and answer correct?

algerbra
The school is selling tickets the first day the school sold 11 senior tickets and 4 child tickets a total of $93. the school sold $71 worth of tickets the second day 9 senior tickets and 2 child tickets find the price of a senior ticket and the price of a child ticket.

politics
A case challenging the rapidly growing public debt would likely NOT be considered by the Supreme Court because it is a: A. question already settled in prior court decisions. B. question that might cause Congress to limit judicial salaries. C. case that should first be heard by...

Math
Kazuko has a beach ball. It is colored with six vertical sections, in order: white, orange, yellow, blue, red, and green. She spins the ball, and she notices that the colors whir by very fast. If the first color to go by is white and the ball spins around so that 500 colors go...

math algebra
The sum of 2 numbers is 400.If the first number is decreased by 20% and the second number is decreased by 15% then the sum would be 68 less than 400.Find the numbers after the decreasing.

Math
Harry lost 15p, which was 3/4 of his money. How much had he at first?

Physical science CHECK my answers
1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom*** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron***** 3. Who provided the first evidence that atoms contain ...

Math
ALi rents a car for d days. He pays m dollars per day for each of first 7 days,and half that rate for each additional day. Find total rate, if d greater than 7?

English
What are some reason that Romeo and Juliet did have love at first sight? I have some reasons why they did not, but I am having trouble why they did.

Math
If 1/3 of the liquid contents of a can evaporates on the first day and 3/4 of the reaminder evaporates on the second day, the fractional part of the original contents remaining at the close of the second day.......?

Math
Jason won some goldfish at the state fair.during first week,1/5 of them died, and during second week, 3/8 of those still alive are the end of the first week died.what fraction of the original goldfish were still alive after two weeks?

Statistics
Select three different five card combinations or five-card hands from your favorite card game that utilizes a standard 52-card deck containing four suits (clubs, hearts, diamonds, and spades), with each suit containing 13 cards with numbers 2-10 and face cards ace, king, queen...

Language Art
Read this sentence from the third paragraph: First, it has large fins at the top of its head that look like ears. What is the main purpose of this sentence in the paragraph? A: To introduce a list of features B: To introduce a new topic C: To make connections to earlier points...

Please help Calculus
Write the integral in one variable to find the volume of the solid obtained by rotating the first‐quadrant region bounded by y = 0.5x2 and y = x about the line x = 5.

History
How did the Crimean War change life in Russia? a. Russia's defeat in the war sparked calls for political and social reform. ********* b. Russia's investment of wealth and the loss of lives in the war led to a crippling depression. c. Russia's proven military strength in the ...

Physics
In the qualifying round of the 50-yd freestyle in the sectional swimming championship, Dugan got an early lead by finishing the first 25.00 yd in 10.01 seconds. Dugan finished the return leg (25.00 yd distance) in 10.22 seconds. a. Determine Dugan's average speed for the ...

algebra
What is the first step to solving the equation: 4(x + 4) = 24 Add 4 to both sides, subtract 4 from both sides, or distribute 4 times x + 4?

Social Studies
How did the Crimean War change life in Russia? a. Russia's defeat in the war sparked calls for political and social reform. ********* b. Russia's investment of wealth and the loss of lives in the war led to a crippling depression. c. Russia's proven military strength in the ...

math
The equation $y = -6t^2 + 43t$ describes the height (in feet) of a projectile $t$ seconds after it is launched from the surface of Mars at 43 feet per second. In how many seconds will the projectile first reach 77 feet in height? Express your answer as a decimal rounded to the...

Physics!
At a steam power plant, steam engines work in pairs, the output of heat from one being the approximate heat input of the second. The operating temperatures of the first are 520°C and 320°C, and of the second 310°C and 170°C. If the heat of combustion of coal is 2.8x107 J/...

History
What is a good first sentence of my homework paper its about the 1992 L.A. Riots.??

IP law
5. Given that an infringer has been selling within your own country (Country A) her domestically-produced illegitimate copies of your Number One selling song, which one of the following four choices would normally be the first action you would take to enforce your copyright? a...

ss
Historians generally agree that the first international slave trade in Africa was A) with Portuguese traders. B) across the Indian Ocean. C) across the Sahara Desert. D) the Trans-Atlantic Slave Trade. ***

Health (Check)
1. Lucille has been told she needs to improve her heart health, and she is ready to get started. There are many activities she is considering for her new routine, but she knows she must first calculate her target heart rate zone. When is the best time for her to begin ...

statistics
In the distributions of two populations combined mean of fourteen observations is 14 and if the sum of the first seven observations for population one and mean of population two are 90 and 16 respectively ,then find the last (eighth)observation of population one and the mean ...

Algebra
In the expression -7x - 5x^2 + 5, what is the coefficient of x? A.) 7 B.) 5 C.) -5 D.) -7* I don't know if -7 or 5 is the coefficient, but -7 was my first choice. Can someone check this?

Math
A drawer contains 2 red socks, 3 white socks, 3 blue socks. Without looking , you draw out a sock, then return it, and draw a second sock. What is the probability that the first sock is blue and the second is red? 3/8, 2/5, 29/32, 3/32

English
1. which of the following is an example of accidental plagiarism? A. Submitting a paper that was written by a friend. B. copying information from a source and identifying it as your own C. Summarizing information without including a source credit D. Forgetting to include an in...

Civics
Which of the following is the best example of a domestic policy? A resolution to join an international trade organization A decision to limit immigration to the United States A decision to send financial aid to another country after a natural disaster A resolution declaring ...

Algebra 2
Find the values of the inverse function in radians. sin^-1(0.65) a. 0.71+2pi n and -0.71+2pi n b. 0.71+2pi n and -3.85+2pi n c. 0.86+2pi n and -0.86 +2pi n d. -0.61+2pi n and 2.54+2pi n 2. tan^-1(0.09) a.-0.09+2pi n b. no such angle exists c.-1.48+ pi n d. -0.09+ pi n I've ...

Maths
If the lcm of first 20 natural no. is x then find the lcm of first 25 natural no.

womens college
If the second term of a g.p. is 27 and 7th term is 1/9. Find the first term and the common ratio?

math
The question is: the table below lists the total cost for parking for a period of time on the street in NYC. The total cost for any time up to and including the hours parked. For example, parking up to and including 1 hour would cost $1.25; for 3.5 hours parking would cost $5....

Math
1.Mia charges $2.25 per hour when she babysits, plus $5.00 for transportation expenses.Which function rule represents the amount y mia charges to babysit for x hours? A)Y = 2.25x + 5.00*** B)X = 5.00y + 2.25 C)Y = 5.00x + 2.25 D)Y = 7.25x 2.(So this one is my updated answer, ...

math
The first term of a GP is A and the common ratio is R Given that A=2r and the sum to infinity is 4.calculate the third term

math
The fourth term of a GP is 6 and the seventh term is -48,calculate (a)common ratio (b)first term(c)sum of the first eleven terms

math
The no of terms in an AP is 40 and the last is -54,given that the sum of the 15 terms added to the sum of the first 30 terms is zero.calculate(1)the first term and common difference.(2)sum of progression

Algebra
What are the first four terms of the sequence represented by the expression n(n - 1) - 4? A.) -2, 2, 6, 10 B.) -3, 0, 3, 6 C.) -4, -2, 2, 8 D.) -5, -4, -2, 6 I don't get this question, can someone help please?

Mathematics Algebra
Question: If the expression (x^2 + 2x +4)/(x^2 - 2x - 4) has a value between (1/3) and 3 for all real values of x, determine the range of the expression [9.(3)^x + 6.(3)^2x + 4]/[ 9.(3)^2x - 6.(3)^x +4 My thoughts on the question: I can see that if we substitute x=[3.(3)^x] we...

history
Can anyone please paraphrase the first amendment

science
the energy role of the first organism in a food chain is always

m
what are the first four terms represented by n(n-2)-3

Business
Help? I'm not good at business 1. Jacob is leading the strategic planning meetings for the nonprofit organization he works for. They are a new organization and are working toward getting all staff on the same page regarding the big picture and goals of the organization. What ...

Math 6b
The spinner is divided into equal parts. Use a tree diagram to find the probability that the spinner will land on a consonant the first time and a vowel the second time if the spinner is spun twice My spinner has 3 parts, N E and U A:2/3 B:2/9 C:3/4 D:5/9 I think the answer is...

math
Janine is considering buying a water filter and a reusable water bottle rather than buying bottled water. Will doing so save her money? First, determine what information you need to answer this question, then click here to display that info (along with other info). How much ...

Math
The price of a table was Rs 1000.it was first increased by 30%.after a week the shop owner decreased the price by 25%.what is the new price of the table.

Math
You start searching for a buried object by marking the center of a field as (0, 0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and coordinates to the south or west are negative. You find nothing at (-10, 6), so you try a likely ...

physics
Someone drops a ball from the roof of your building.The ball drop past your window. It takes time T to pass the window's height. What is the initial speed of the ball when it first came in view?

Physics
A body is moving with uniform acceleration covers 100m in the first 10s and 150m in the next 10s. Find the initial velocity of the body.

Science
Can someone help me/check with this work? 1. _______ is the rate of change of position. A.Speed***** B.Velocity C.Acceleration D.Deceleration 2. Which of the following is the difference between speed and velocity? A. direction***** B.units C.speed D.none of the above 3.A ...

Math
I have done the work on all of these problems so please don't give me lectures about cheating, I'm not 8 years old. 1.Given the function rule f(x) = x^2-3x+2, what is the output of f(-2)? A)-8 B)0 C)4 D)12*** 2.The data in the table represents a linear function X:-3,0,3,6 Y:-5...

MATH
.)Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern continues, how many ...

HELP!!(english)
Follow this l*ink to see question!! It's on Brainly. (I think it's the first option... also, get rid of the spaces in the l*ink, i just put them there so jiskha would let me post) ht tps :/ /brainly. com /question/ 3764416

Math Help
The sale price of shrimp at a local grocery store is $1.15 for the first ounce and $0.95 for each additional ounce. Which function rule shows how the cost of shrimp, y, depends on the number of ounces, x? A.y=1.15x+0.95** B.y=(0.95+1.15)x C.y=0.95x+1.15 D.y=0.95(x-1)+1.15 Am ...

Biology!!
1. what's a huge difference between the chemical equations for Respiration and Alcoholic fermentation &... What determines whether a facultative organism will go through respiration or fermentation *For the first part of the Question, (I looked it up but I wasn't sure if it's ...

calculus review please help!
Write the integral in one variable to find the volume of the solid obtained by rotating the first‐quadrant region bounded by y = 0.5x2 and y = x about the line x = 5. Use the mid-point rule with n = 4 to approximate the area of the region bounded by y = -x^3 and y = -x. A ...

Literature
Since the time of the play's first performance, the props and set have been designed to be minimal so that_____. the play can be performed in outdoor as well as indoor locations the play becomes more appealing for younger audiences **my choice actors must think of new ways to ...

calculus
priya decides to go to the store which is 8km from her house. she first ran at a rate of 7km/h then walked the rest of the trip at a speed of 3km/h. if the total trip took 2hrs how many kilometers did she walk?

Math
write the first five terms of a sequence where the first term is 8 and the common difference is 6. My answer: 8,14,20,26,32

English
1) I had to wrack my brain and plum the depths of my resources the foul consequences of my previous vice. Which of the following homophones should be used to correct the sentence above? A. Fowl B. Plumb C. Rack D. Vise 2) Which of the following sentences correctly uses subject...

Science
A ball is dropped from a height of 20 meter and rebounded with a velocity which is 3/4 of the velocity with which it hits the ground. What is time interval between the first and second bounces?

Math
In a particular arithmetic progression, the sum of the first 10 terms is equal to the sum of the first twenty terms. Show that the sum of the first 30 terms is equal to 0.

bearing
A ship is due east of a harbour. Another ship is also 3km from the harbour but on a bearing 042 degrees from it a. Find the distance between the two ships b. Find the bearing of the second ship from the first ship

Science
A family is planning to build a raised planting area using a blend of peat moss, mulch , and a rich organic soil in which to grow the plants. They have been told first to place on the ground a layer of material that will allow for a proper drainage each time the plants are ...

Math (Algebra)
I have to solve a few systems through elimination, but I'm still not quite sure how to do it.. The first is y=x^2 and y=x+2 Can someone show me how exactly it is worked out so I can try the second one myself?

English
1. Read the following passage from "The Swimming Contest." With a sigh my mother replies, "My husband's no longer alive, either. But his house and his father's house aren't here; everything remained over there, abroad, and I live in a rented apartment summer and winter." "That...

World history b
What steps has the international community taken to address humanitarian crises throughout the twentieth and twenty- first centuries, including human rights abuse? Evaluate the effectiveness off the international response to at least two human rights issues.

English 2nd post (Can someone please check my work
1. Read the following passage from "Another Evening at the Club." Putting the ring away in his pocket, he bent over her and with both hands gently patted her on the cheeks. It was a gesture she had long become use to, A gesture that promised her continued security, that told ...

physics
A car is moving at 20 m / s before it applies the brakes for 4 s. It slows at a constant rate to 10 m / s. Five seconds after this, the brakes are applied again and stop the car in 5 seconds. The car slows at a constant rate during this period of time as well. What is ...

MATH
1. A yogurt shop offers five different flavors of frozen yogurt and thirteen different toppings. How many choices are possible for a single serving of frozen yogurt with one topping? 70 56 18 65** 2. Prestige Builders has a development of new homes. There are five different ...

English
1. Read the following passage from "Another Evening at the Club." Putting the ring away in his pocket, he bent over her and with both hands gently patted her on the cheeks. It was a gesture she had long become use to, A gesture that promised her continued security, that told ...

math
Ann began her homework at 3:55 P.M. She spent 15 minutes on her first assignment, and 40 minutes on her second assignment. At what time was she finished with both assignments?

History
1. The states below were added to the Union during the decade following the War of 1812: Indiana (1816) Mississippi (1817) Illinois (1818) Alabama (1819) Maine (1820) Missouri (1821) Which statement best explains how the War of 1812 contributed to the growth of the United ...

SOCIAL STUDIES PLEASE CHECK ANSWER
Which U.S. policy would Palestinian supporters of the Palestinian Liberation Organization have most likely preferred? A. continued U.S. support for Israel B. support for a peace treaty between Israel, Egypt, and Palestine C. military aid to Yasir Arafat for the fight against ...

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Homework Help: Health