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forensic
Which of the following is true about RFLP? (multiple answer) the repeat strands are very short it analyzes only mitochondrial DNA it involves amplifying DNA restriction enzymes are used to cut the DNA at the ends of the repeat sites length polymorphism is used to distinguish ...

math
1. A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught while still moving ...

College Physics
1. A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught while still moving ...

Riddle
I am something, I appear first on earth, second in heaven. I appear twice in a week, Never in a month, but I appear once in a year what am I?

Physics
A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. (It is caught while still moving upward...

Math
What is the value of a stock that grows at a supernormal rate of 18% for the first four years, and then slows down to a constant growth rate of 10%? An annual dividend of $2.00/share was just paid, and the rate of return on common stock is 13%. Possible Solution: For a ...

math
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a diamond? (Round your answer to three decimal places.)

Chemistry
Element x has the highest first electron affinity in its period, the ground state electron configuration of its common is: [Kr] 5s2 4d10 5p6 Element Y is the second largest element in its period; its valence electron are in orbital(s) that have n= 6. What is the most stable ...

math
dependent or independent taking a quarter out of a bag and then taking another quarter out of the bag without replacing the first quarter

math
Joelle practiced piano for 45, 42, 55, and 48 minutes in the first four practice days this week. How many minutes does she need to practice on the fifth practice day to have an average of 50 minutes?

Math
Find the ratio of the first number to the second number and simplify?

Math
The third term of an arithmetic sequence is -12 and the seventh term is 8.what is the sum of the first 10 terms?

Math
Marta is thinking of a number. The prime factorization of the number is the first eight primes, each used as a factor exactly one. Write the prime factorization and the number.

science
two isolated conducting spheres of different radius and different charges are first brought in contact and then separated what happens to the final charge on each of the sphere

math
Mrs. Dwayne has three boxes. The first box contains three red marbles and five blue marbles. The second box has four red marbles and six blue marbles. The third box has five red marbles and seven blue marbles. Mrs Dwayne pulls a marble from each box five times. but before her ...

Math
Tickets are drawn to determine first prize money is s100, 000. Each succeeding prize paid 60% as much as the ticket before it. What was the prize money for the 6th ticket drawn? Use the appropriate formula. (Answer = $7776)

Math
Tickets are drawn to determine first prize money is s100, 000. Each succeeding prize paid 60% as much as the ticket before it. What was the prize money for the 6th ticket drawn? Use the appropriate formula.

Accounting
What is the value of a stock that grows at a supernormal rate of 18% for the first four years, and then slows down to a constant growth rate of 10%? An annual dividend of $2.00/share was just paid, and the rate of return on common stock is 13%.

math/statistics
In the Numbers Game, a state lottery, four numbers are drawn with replacement from an urn containing balls numbered 0-9, inclusive. Find the probability that a ticket holder has the indicated winning ticket. The first three digits in exact order.

math
The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P

math
The third,fourth and eight term of A.P form first three consecutive term of G.P.if the sum of the first ten term of A.P is 85.calculate the first term of both A.P and G.P,common ratio and sum of 5 term of G.P

physics
two runners are competing in a 400-meter dash. The first runs at 6m/s and maintains this speed. The second runner starts at 10m/s and decelerates at 1.8m/s^2. Who will finish first? What will be their time difference?

Math
A jeepney ride costs 8 pesos for the first 4 km and each additional integer km add 1.50 pesos to the fare. Use a piecewise function to represent the jeepney fare in terms of the distance (d) in km. Please give the solution. Thank you

Stats
An analyst working for a telecommunications company has been asked to gauge the stress on its cellular networks due to the increasing use of smartphones. She decides to first look at the relationship between the number of minutes customers spent talking on their phones and the...

Chemistry
A sample of a curium isotope was roasted. It was determined that the product( curium oxide) contained 11,59% of oxygen.¿ What is the equivalent weight of the isotope in the oxide? ¿ What is the mass of the curium isotope? I have already gotten the answer for the first ...

General Mathematics
A jeepney ride costs P8.00 for the first 4 kilometers, and each additional integer kilometers adds P1.50 to the fare. Use a piecewise function to represent the jeepney fare in terms of the distance (d) in kilometers.

Research Methodology and Program Evaluation
Can someone help me with the following questions? When the purpose statement denotes an attempt to identify phenomena, events, or exercises, he or she is using: a. clarifying methods b. quantitative methods c. ethnographic methods d. unreliable method I first selected ...

Math
It's 7 #s long Hint 1: The first number times the last number will always equal the last number (first*last=last) Hint 2: fourth number minus the last number equals the third number (fourth-last-third) Hint 3: first number - sixth number equals fourth number Hint 4: a two part...

Math
Robin has 7 red beads, 27 purple beads, and 24 yellow beads. She wants to make a necklace with the pattern; red bead; 3 purple beads; 2 yellow beads. How many times can she repeat the pattern? Which color of beads will she run out of first?

Physics 11
I'm trying to draw a ray diagram (the image & mirror are already printed I just need to draw the rays) for a plane mirror. I understand the rules for the most part but I am confused about what angle I should be drawing the first ray from the tip of the arrow to the mirror & ...

Accounting
Zell Company had sales of $1,800,000 and related cost of merchandise sold of $1,150,000 for its first year of operations ending December 31, 2016. Zell Company provides customers a refund for any returned or damaged merchandise. At the end of the year, Zell Company estimates ...

creative expression and play
After reading a story about a frog and a toad, a first grade class began to discuss similarities and differences of toads and frogs. To help the students make a comparison the teacher could use a: A. Venn diagram. B. sequence chart. C. concept map. D. cause-and-effect diagram. C?

math-precalculus
A person starts walking from his home. First, he goes 2 miles north and 3 miles west to a park. After spending the afternoon at the park, he walks 1 mile west and 4 miles south to a bar. How far is the bar from his home?

Math
This year (10 years after you first took out the loan), you check your loan balance. Only part of your payments have been going to pay down the loan; the rest has been going towards interest. You see that you still have $108,123 left to pay on your loan. Your house is now ...

algebra
During a hurricane evacuation from the east coast of Georgia, a family traveled 450 miles west. For the first part of the trip, they averaged 25 mph less than the second part, where their average speed was 62mph. If the total time of travel was 9 hours, how many miles did they...

Multivariable calculus
I have to show that the relative error of the product of two positive numbers is aproximately to the sum of the relative errors of its factors. My teacher told me to use first order approximation, but I don't know how to use it.Please help

Math
The third term of a geometric progression of positive terms is 18 and the fifth term is 162 Find the common ration and the first term? Write an expression for the Nth term of the progression? Find the sum of the first 8 terms of the progression??

maths
The sum of the first two terms of a gp is 28, but the sum of the 3rd and 4th terms is 252. find the 2nd term of the GP if the 7th term is 5103.

maths
The 8th term of an ap is 5times the 3rd while the 7th term is 9 greater than the 4th term.write the first 5 terms.

Math
Since the opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since the opening night. On what day(S) was the ...

Math
Smith has $360. He spend 1/9 of his money first, then spends another 2/9 of the original amount. How much money does Smith have left?

Algebra
A student scored 81 and 95 on her first two quizzes. Write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between 85 and 90.

physics
A world-class sprinter can burst out of the blocks to essentially top speed (of about 14.9m/s) in the first 11.6m of the race. How long does it take her to finish the 200m race?

Multivariable calculus
Hello, I have the next exercise about chain rule in multivariable calculus: I have to show that the differential equation: y(dz/dx)-x(dz/dy) = (y-x)z can be change to the equation: (dw/dv) = 0 using the new variables: u= (x^2)+(y^2) v = (1/x)+(1/y) w = ln(z)-(x+y) For that I ...

Physics
An object starting from rest travels 20m in first 2 seconds. What will be the distance covered by it in next 4 seconds

Math
The coordinates A(0, 0), B(0, 3), C(4, 3) and D(4, 0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about the y-axis? Provide an explanation and proof for your answer to receive full credit. My answer A line segment is ...

Physics 11
Waves travelling along a string have a wavelength of 2.4m. When the waves reach the fixed end of the string, they are reflected to produce a standing wave pattern. How far from the end are the first 2 antinodes? I know that each wavelength has 2 antinodes so each antinode has ...

Music
In an essay, describe how a composer would incorporate rhythm, dynamics, melody, harmony and texture, and timbre into a composition to add interest and character. Remember to discuss what each of these elements does. I'm not sure exactly how to start this essay. Like, it needs...

Physics 11
Waves traveling along a string have a wavelength of 2.4m. When the waves reach the fixed end of the string, they are reflected to produce a standing wave pattern. How far from the end are the first 2 antinodes? I feel like I don't have enough info here... I know that 1 ...

math
Bob places $5,000 in a special account that accumulates interest compounded annually. Assuming no additional deposits or withdrawals, how much will be in the account after 7 years if the interest rate is 8.5% per annum for first 4 years and 9.25% per annum for the last 3 years?

Algebra
A wrestling match has eliminations each round. The table below shows the number of wrestlers in each of the first 4 rounds of the tournament: Round (x) 1 2 3 4 Wrestlers f(x) 64 32 18 9 Compute the average rate of change of f(x) from x = 1 to x = 4 and identify the meaning of ...

Maths
On a biased coin the probability of it showing heads for a given coin toss is 0.52. In a sequence of tosses, what is the probability of getting the first tail on flip 5? I can just do a tree diagram for this and figure it out the slow way, but if I get this in an exam, that'll...

Math
A company has 100,000 subscribers. There are 3 types of subscription: a $99 version, a $350 version and a $1000 version. The first group gives 50% of the customers, the second gives 30%, and the third gives 20%. The average subscription expectancy is 1 year for the low-price ...

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?

Social Studies
Who were the first four caliphs? a. rulers who had a personal connection to Muhammad b. a group of wealthy traders c. five gods d. missionaries to Africa

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/...

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