# Posts by kim

Total # Posts: 2,686

**Math**

I received an D+ for a final grade what did I get on the final

**Math**

Use synthetic division to find the zeroes of the function f(x) = x^3 + x^2 +4x+4 Need help on this we have a test when i go back to school please help this was an example given and i dont understand it.

**Criminal justice **

As interpreted by the US Supreme Court which of the following individual rights is not guaranteed by the bill of rights? A right to have an attorney A right to an appeal A right to a trial by jury*** A right to due process I believe it is a right to a trial am I right? If not ...

**Statistics**

According to a recent survey, 65% of all customers will return to the same grocery store. Suppose 11 customers are selected at random,what is the probability that A) exactly 5 will return? B) all 11 will return? C) at least 6 will return D) at least one will return E) how many...

**statistics **

The Middlecreek Branch of the National Bank of Virginia has 10 real estate loans over $1,000,000. Of these 10 loans, 4 are "underwater." A loan is underwater if the amount of the loan is greater than the value of the property. The chief loan officer decided to ...

**Physics**

An acrobat of mass 53.2 kg is going to hang by her teeth from a steel wire and she does not want the wire to stretch beyond its elastic limit. The elastic limit for the wire is 2.37 × 108 Pa. What is the minimum diameter the wire should have to support her?

**Physics**

In an aviation test lab, pilots are subjected to vertical oscillations on a shaking rig to see how well they can recognize objects in times of severe airplane vibration. The frequency can be varied from 0.0190 to 38.3 Hz and the amplitude can be set as high as 2.08 m for low ...

**Science**

How many atoms are in 0.64 moles of strontium

**Computer**

Write a C++ program that uses 2 functions the first is to read an array of students’ grades and return the sum of the all grades to the main program. And the second function will receive the sum of all grades from the main program and calculate and print the average of ...

**Computer**

Pseudocode that gets 2 numbers from user and prints them in order until the user enters the first value of the trio as negative.

**geometry**

I don't know what to do.

**geometry**

I don't want the answer I want to be taught how to solve it. Okay so the question is diameter=25in. A=(3.14)(12)^2 Then there is a circle with a line through it and it says 14yd. Okay so I am assuming I solve the area first A=(3.14)(12)^2=452.16 But after that

**Math**

Finally, Kevin has a client who would like to invest into an account that earns 3.2% interest, which is compounded annually. The client opens the account with an initial deposit of $4,000, and deposits an additional $4,000 into the account each year thereafter. How much money ...

**Math**

The client wants to know how long it will take for an initial deposit of $30000 to double at an annually compounded interest rate of 2.0% What is the doubling time (assuming no withdrawals or additional deposits are made)?

**Math**

Tracy became interested in the maximal height for throwing a ball. On the internet, she finds that the maximum pitching speed of professional baseball players is 150 feet per second (about 105 miles per hour). The equation for the height y (in feet) after t seconds of a ball ...

**Math/ help please **

In another calculation, Rachel needs to evaluate the expression -5fifth root square (- 400^2). What is the value of this expression?

**Math **

Betty has worked out the financing of her coffee shop. She plans to use the money in a savings account for her start-up costs. The savings account was opened by her grandmother five years ago. To figure out the annual interest rate, Betty needs to evaluate the expression fifth...

**Adding and subtracting positive and negative numb **

Betty is in the process of opening her own business – a coffee shop in downtown Fargo, North Dakota. With the Grand Opening a month away, she runs the numbers involved in her upfront expenses: $5,400 for local advertising, $2,700 for the security deposit and first month&#...

**Math/ compound interest **

The next morning, Kevin meets with a client who would like to invest $20,000 into an account that pays 3.2% interest, which is compounded annually. How much money is in the account after 5 years if no withdrawals or additional deposits are made?

**Math/multi step equation **

The following formula relates the distance s (in feet) traveled by a vehicle during an emergency stop to the time t (in seconds) it takes to arrive at a complete stop: s=16t^2 At the scene of an accident, Bill uses skid marks to determine the braking distance of one of the ...

**Math**

Thank you

**Math**

Bill is concerned about the frostbite risk for workers clearing snow. The weather report predicts the air temperature will be -15 degrees Fahrenheit. Joe comes up with an equation relating air temperatures caused by the wind and wind speed: y =- 5/ 3 x-38.3 where x is the ...

**Math**

Intrigued by this formula, Anne applies it to determine the size of her own dog’s head. Anne again uses the formula relating the estimated shoulder height H (in centimeters) of a dog to the internal dimension of the skull D (in cubic centimeters): H=1.016 D - 31.2. Anne&#...

**Math**

Betty decides to support local artists by hanging their artwork in her shop. When decorating the coffee shop, Betty comes across the following formula for placing pictures on her walls: 1 third open vertical bar A-12 close vertical bar plus 2 over 3 open vertical bar |a| close...

**Math**

Betty decides to compare the diagonals of both the square and rectangular tables customers will use in the coffee shop. Her measurements show that the square tables have a side length of 34 inches and the rectangular tables are 29 1/ 3 inches wide and 35 inches long. She uses ...

**Math**

I don’t understand the steps here.

**Math**

Betty has the option of using three types of tables in her coffee shop: square tables with a side length of 42 inches; rectangular tables 26 inches wide and 73 2/3 inches long; and round tables with a diameter of 36 inches. Which of the tables has the largest area? What is the...

**Math**

What is the total amount of time that Joe will spend driving to and from the development site?

**Math**

Joe is the owner and CEO of Pinecrest Enterprises, a real estate development company in Boise, Idaho. The company has taken on a new development project outside of town, and Joe wants to drive out to survey the proposed development site. The site is 30 miles away from Joe’...

**Math**

Sorry I didn’t realize. This what I want to find out for Betty How much money does Betty need to cover these upfront items?

**Math**

Ok I got it now

**Math**

C=600x+220 for the total cost C (in millions of dollars) for the development, where x is the average cost (in millions of dollars) of a single family home. I didn’t release I didn’t write the equation out.

**Math**

Thank you

**Math**

What is the value of a & b? I don’t understand.

**Math**

I don’t know how to set this problem up.

**physics**

T=sqrt(2 times height) *gravity T= sqrt{(30)*9.8} T= sqrt(3.06) T= 1.7 seconds Therefore it would take 1.7 seconds Max height : 1.7 seconds * 9.8 m/s^2 =16.66 m or 17 meters approx Therefore the max height reached is approx 17 m

**biology**

how many copies of genome are present in a diploid cell in G1 phase?

**Please help needed urgent**

q = -168 kj delta H= -92.2 kj/mol n=? n= -q/ delta H n= -168 kj / -92.2 n= 1.82 n= m/Molar mass of NH3 m= n* MM m= 1.82 moles * 17.03 g/mole m= 31.02 g Therefore, approx . 31.02 grams of NH3 is produced

**Chemistry**

I'm gonna try the second one delta V = 0.750 L- 0.250L = 0.50 L P= 0.933atm w= -Pdelta V w = - 0.993 atm *0.50 L w= - 0.4965 atm *L In Joules: -0.4965 L* atm *101.3 J/ 1 L*atm= -50.31 joules I think -50.31 joules of work is done (since energy is absored q is positive)

**science**

Woman weighs= 55 kg cup of coffee = 94 mg of caffeine LDL = 400 mg/ kg Cup of coffee ( 8 oz) How many cups would it take to reach the LDL?

**Math**

How did you get this answer ?

**Chemistry **

A 8.07g sample of impure Ag2O decomposes into solid silver and O2(g). If 395mL of O2(g) is collected over water at 25 degrees Celsius and 749.2 mmHg barometric pressure, then what is the percent by mass of Ag2O in the sample? The vapor pressure of water at 25 degrees Celsius ...

**english**

how does the men's final choice lead to the end of the story two friends

**world history**

what parts of europe still has an agricultural economy in the early twentieth century

**English**

Actually i'm taking a quiz with that question and the only two that overlap is the first one, so I'd have to assume that's what the answer is.

**Maths**

Have you tried dividing 59761/1591?

**College Paper**

How do I critique an article using 2 journal articles in a paper. What outline can I follow in writing my paper.

**English**

The assignment was originally due on Tuesday; however, the instructor changed to due date to Thursday. Would this be correct?

**English**

Pedros’ and Marleys’ books will be published in October. Is that the correct answer?

**English**

Oh sorry i thought i put an xx for 4. My answer for 4 is D. Can you explain to me why its wrong.

**English**

1.What is the correct way to punctuate the end of this sentence? Did the baseball player say, “I can do the splits” Did the baseball player say, “I can do the splits?” Did the baseball player say, “I can do the splits”? xx 2. Which sentence ...

**social studies**

why was solon important? A. he was the macedonian king who united Greece B. he set up salaries for officials so poor people could serve C. he was the general who defeated the persian invaders D.he ended slavery for people who fell in debt i think its A please help

**English**

Parents want their children to go to college however they do not always have the funds to send them

**geometry**

square 1 has a side length of x, and square 2 has a side length of y. Square 2 is formed by joining the midpoints of the sides of square 1 in order. If x=2, find the ratio of the are of square 1 to the area of square 2

**math **

License plates consist of letters and/ or digits. Calculate the number of licence plates that could be formed in each province or territory. Assume all numbers and letters are possible. a) Ontario, with 4 letters followed by 3 digits b)Québec, with 3 letters followed by...

**math**

Caleb needs to create an 8-digit password using only numbers. How many different passwords are there if he wants to use 00 exactly once?

**math**

A salesperson needs to visit 15 different offices during the week. In how many ways could she visit 3 different offices each day from Monday to Friday?

**Algebra**

I am supposed to be learning how to divide polynomials by monomials but im stuck please help. (4x³ + 10x² + 3a) ÷ 2x²

**Chemistry **

A sample of 2.50 g LiI is added to 75.0 mL of water initially at 21.0°C. After stirring and dissolving, the temperature of the solution is 24.3°C. Assume that the specific heat of the solution is 4.184 J/g°C, the density is 1.00 g/mL, and the calorimeter constant ...

**calculus**

from a cardboard box 12 in by 8 inches are cut out so the sides can be folded up to make a box . What dimentions will yield a maximum volume? What is maximum volume? we got our V = 4x^3--40x^2+96x V'=12x^2-80x +96 then we know to use quadratic equation I get 20( +/-) sqrt ...

**Geometry Proofs**

I don't think it's doable. You might not have been given enough information. Are you sure you included it all?

**Economic part 2**

I think the answer is c

**Economic part 2**

Two countries shown in the chart ranked higher in overall development than the United States did. The United States had a higher per capita GDP than these countries. What factors accounted for the higher rankings of these countries? A. Iceland had the highest rankings in all ...

**Trig**

*35 degrees

**Trig**

Morana is trolling for salmon in Lak Ontario. She sets the fishing rod so its tip is 1 m above the water and the line enters the water at an angle of 45 degrees. Fish have been tracked at a depth of 45km. What length of line must she let out?

**Statistics**

Suppose x is a uniform random variable with values ranging from 20 to 70. Find the probability that a randomly selected observation is between 23 and 65.

**Statistics**

Suppose x is a uniform random variable with values ranging from 40 to 60. Find the probability that a randomly selected observation exceeds 54. *** Im not sure how to do this. I thought I needed a standard deviation.

**Math-fractions**

A receipt requires 1/2 cup of flour for every batch of cookies. How many full batches of cookies can be made with 5 1/2 flour?

**physics **

A 75.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 13.5 cm. Model the floor as completely solid and motionless. With what momentum does the person ...

**physics **

A 75.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 13.5 cm. Model the floor as completely solid and motionless.

**Chemistry **

An electron initially in the n = 2 energy level in a hydrogen atom absorbs a photon of light with a frequency of 6.167 x 1014 s-1. Calculate the new energy level the electron will occupy. I am not sure how to being.

**Chemistry**

A solution is labeled 0.450m hcl. What is the h+ for the solution?

**Mathhhhh**

There are 260 skittles but only 133 were eaten. How do I find the percentage of what was eaten?

**math**

Four men, Eddie Jake, Deon, and Fred are watchmen in a small factory in Lorain. Their job consists of two daily shifts of six hours each, interrupted by a rest of several hours. At any hour of the day or night there must always be two men on duty. However, no two men's ...

**statistics **

A school club consists of 22 male students and 15 female students. If 3 students are selected to represent the club in the student government, what is the probability 2 will be male and 1 will be female?

**Physics**

The lenses used in a compound microscope have powers of + 110 D and + 60 D . If a total magnification of -150 × is desired, what should be the distance between the two lenses?

**Math**

Sade found that 75% of 60 is the same as 30% of another number n.what is the value of n?

**Math**

Which of the following is a factor of both x2- x-6 and x2 - 5x + 6

**Chemistry**

Calculate the number of moles of ZnCl, in 100mL of 3.00M solution.

**Math**

An electron weighs about 10^(-27) grams, and a raindrop weighs about 10^(-3). a raindrop is 24 times heavier than an electron. an electron is 24 times lighter than a raindrop. but idk what is the order of multitude difference.. or how to calculate it... i put 0 and 1 but its ...

**math**

In the 1870's, on a farm along the Ohio River, a girl was presented with three gifts: a rooster, a goose, and a duck. The duck had cost 20 cents. The rooster and the goose together cost twice as much as the duck. The goose and the duck together cost three times as much as ...

**calculus**

The voltage in a electric current is 100 volts then with Ohm's law how do you find the instantaneous rate of change of I with respect to R ta a resistance of 20 ohms if R is increasing I know how to use the instantaneous formula but what is f(a)

**math**

Mike's age right now is exactly 3 times his age 3 years hence minus 3 times his age 3 years ago. How old is Mike right now?

**Algebra (answer check)**

Thank you! :D

**Algebra (answer check)**

Where is the vertex of the graph of y equals negative x squared plus 2 x plus 5 located? (1,5) < it's not this one (1,6) (-1,3) <-- (-1,2) Which values best approximate the solutions of -4x^2+7x+5=0? 0.9 and 2.3 0.9 and 5 -0.5 and 2.3 <-- -0.5 and 5 What is the ...

**FSCJ**

please help!! A storage tank 32 m high is filled with pure water. (Assume the tank is open and exposed to the atmosphere at the top.) (a) Find the gauge pressure at the bottom of the tank. (b) Calculate the magnitude of the net force that acts on a square access hatch at the ...

**English**

And would these work as well? 3) They claimed the foreign land And took it by the hands. 4) The Natives’ lives turned black When the strangers came packed. (both historical allusions to what the european settlers did to the natives)

**English**

For a project I have to come up with some allusions in a couplet format and I am iffy on how to write my own. I was wondering if these were ok. 1) Their death by disease Was not what they pleased. (I was going for a historical allusion to the Native Americans) 2) The town soon...

**Math@@**

How do I solve v + 17 -11= 65

**Math**

The length of a rectangle is 1 m more than twice its width. What is the length of the rectangle if its perimeter is 110m?

**algebra**

identify the initial amount a and the growth factor b in the exponential function g(x)=4X2

**calculus**

find the limit x-->inf (x^2+x)^1/2-(x^2-x)^1/2 so I know I multiply by the conjugate 2x/(x^2+x)^1/2+(x^2-x)^1/2 then I don't know where to finish problem

**BIOLOGY/EVOLUTION**

I need answers for these questions too T.T

**Chemistry **

solid sodium reacts violently with water producing heat, hydrogen gas and sodium hydroxide. How many molecules of hydrogen gas are produced when 65.4g of sodium are added to water? 2Na(s)+ 2H2O(l) -->. 2NaOH(aq) + H2(g). Can someone please explain this question and it's...

**Social studies**

Witch of the following actions is a check by the legislative branch on the actions of the executive branch ?

**biology**

When you talk of genotype it refers to the alleles of the organism. Like FFpp, FfPp. For example: Dominant: White Flower (F) Recessive: Purple Flower (f) The possible genotypes for white flowers in the F1 generation are: FF and Ff. When for purple flowers is only ff. So in the...

**MATH**

How do I find 30% of 50?

**maths**

the width of a rectangle is increased by one tenth, but the area remains the same. by what fraction has the length of the rectangle been reduced?

**Math**

25.32= 3/5 25.32 divided by 3= 8.44 8.44 = 1/5 8.44 times 2= 16.88 2/5 = 16.88 Jaine spent 16.88 pounds on her sweater.

**math**

get your calculator, put 1335 times 59 and the answer is 78765.