Roger

This page lists questions and answers that were posted by visitors named Roger.

Questions

The following questions were asked by visitors named Roger.

How many seconds longer is 2 percent of an hour than 30 percent of a minute? is it 30 seconds

Find the sum of all prime numbers between 1 and 100 that are simultaneously 1 greater than a multiple of 4 and 1 less than a multiple of 5. (a) 118 (b) 137 (c) 158 (d) 187 (e) 245 The answer is D right?

Hello, i need help doing a proof, im pretty sure on how to do it but not that way my teacher wants it. He wants it in a chart form by taking splitting up both side. i have to show that |a-b|=|b-a|

I have an AP US history test on Tuesday and I would like practice AP questions to help prepare for the test but I don't know any of the websites. Could you give me a few to go to please? Thanks!

I am doing an ap biology lab on plant photosynthesis. It's specifically lab # 4 on plant pigments and photosynthesis and it's on question # 8 on Exercise 4B: Photosynthesis/ The Light Reaction. Identify the function of each of the cuvettes. I already have...

I have an AP Psychology test tomorrow and I would like practice AP questions but I don't know any sites.

What is the electron configuration for Be 2+ ions? 1) 1 3) 2-1 2)2 4) 2-2 I also need an explanation for the correct and incorrect answers because I am confused by this problem.

I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.

240 pounds of fertilizer/6 lawns. What is the rate?

According to Boyle's law, the pressure p of a compressed gas is inversely proportional to the volume, v. If a pressure of 20 pounds per square inch exists when the volume of the gas is 500 cubic inches, what is the pressure when the gas is compressed to 4...

Does anyone know just how effective advertising a business or service is in a free publication that is mailed out to just anyone and left at free pick up points around a geographical area?

(3^3)^2 _________ 3

The amount of an investment of P dollars for t years at simple interest rate r is given by A= P+Prt a) Rewrite this formula by factoring out the greatest common factor on the right-hand side. b) Find A if $8300 is invested for 3 years at a simple interest...

A child's body i approximatly 75% water. About how many pounds of a 60 pound child's weiht is water?

What numbr is 45% of 246?

If a quadrilateral wxyz is similar to quadrilaterl lmnp how do I find the value x and y?

if I know the volume of something how do I find out what the length width and height are?

Claire's old aquarium has a volume of 27,000cm3. She bought a new aquarium in which the length and width are 5 times those of her old tank. What is the volume of Claire's new aquarium?

Can someone help me? I am try to make a correct sentence with this. With machetes, the explorers cut their way through the tall grasses to the edge of the canyon. Then they began to lay out the tapes for the survey.

I need help. I need to revise any run-on sentences. The first one is this. Not sure if these are correct. Death Valley National Monument located in Southern California and Nevada, is one of the hottest place on earth. Temperatures there have soared as hig...

I need help with these, I have to edit the following sentences to eliminate problems with subject-verb agreement. 1. Measles is a contagious childhood disease. 2. Adorning a shelf in the lab are a Vietnamese figurine, a set of Korean clay gods, and an Ame...

Can you please help me? I have put in some that I think is right but it doesn't look right. The direction goes as follows; Edit the following sentences to correct errors in pronoun reference. In some cases you will need decide on an antecedent that the pr...

I need some help again with these.I have to correct faulty parallelism in the following sentences. I think I have corrected a couple but some I need help on. 1. Activities on Wednesday afternoons include fishing trips, dance lessons, and computers. 2. Arr...

what is the decimal notation of 23 over 8

I have to edit the following sentences to untangle mixed constructions. Here is the list of five and my corrections below them. 1. Early diagnosis of prostate cancer is often curable. 2. Depending on our method of travel and our destination determines how...

ok, i need to write an expression equal to 10 and the numbers i need to use are 5,8,9,7 and i need to use +, /, + can anyone help me?

Help! A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is . A size 6 shoe in the United States is size 3.5 in England. A function that converts shoe sizes in England to those in the United...

Help! Write the equation of the function that has a graph the shape of , vertically shrunk by a factor of 1/4 and shifted right 6 units. Write the equation of the function that has a graph the shape of y = „ x„ , reflected about the x-axis and shifted dow...

1/4=3-2x-1/x+2..so far i have 8x^2-19x+4=0 do i use quadratic formula to solve the rest of the way?

The profit from selling x pieces of handmade jewelry can be modeled by the equation P(x)=-x^2+130x-3000. What is the range of profitable orders (P(x)>0)?

Correct the error in this equation: 6(2y+6)=4(9+3y) 12y+36=36+12y 12y=12y 0=0 y=0

Solve: 8w-8-6w=4w-7

I have to write an essay for english here is the topic: Identify the protagonist: The critic Randal Stewart has this is say about Hester and Dimmesdale: ..."But hester is not the protagonist,the chief actor,and the tragedy of the scarlet letter is not her...

A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 795 m/s. The barrel is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.042 m below the center. What is the horizontal distance between the...

what would happen to the consumer spending and on the unempolymentrate if the U.S government were to increase personal income tax rates

What is the inverse of the function y=3x

rhymes and plural and possessive nouns for the jumps of lambs

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

Balanced Chemical Equation: 1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the tank": 1) How many moles of nitrogen can be created (assuming 100% yielded)? 2) How many moles of water can be produced? 3) Wh...

To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette yielded m...

Please Help. How long, to the nearest tenth of a year, will it take $12,500 to grow to $20,000 at 6.5% annual interest compounded quartely? (Use the formula for compound interest with n compoundings per year to solve for t.)

A sample of phosphorus of mass 3.654 g reacts with dichlorine to form 16.20 g of a molecular compound. What is the empirical formula of this compound?

Because of a recession, the value of a new house depreciated 10% each year for 3 yr in a row. Then, for the next 3 yr, the value of the house increased 10% each year. Did the value of the house increase or decrease after 6 yr? Explain. I feel that the hou...

An environmental restoration project requires that you enlarge part of the map to a scale of 1 inch to 1000 feet. Calculate the factor by which it needs to be enlarged.

Calculate the distance (in km)that Larry runs if he maintains an average speed of 8km/hr for 45 minutes.

Syllogisms-Which are valid? Correct the invalid ones. Brain Surgeons save lives. Marie is a brain surgeon. Therefore, Marie saves lives. An English Bulldog is a dog. All dogs have four legs. Therefore, English Bulldogs have four legs. All humans grow. All...

Describe any difference between the amounts of water that would percolate downward to the saturated zone beneath a flat meadow in northern New York and a rocky hillside in southern Nevada. Discuss the factors that control the amount of percolation in each...

Contrast the principle difference between executive pay and non-executive pay, including a discussion on controversies associated with the growing disparity between executive and non-executive compensation packages.

3 questions if you can help me. 1. Calculate the number of subsets and the number of proper subsets for the set. {x|x is a day of the week} 2. Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elemen...

is it true or false A fixed length hash value of 128 bits is less collision resistant than a fixed length hash value of 512 bits

can please somebody check my answer: Q. A tuning fork produces a sound that has a wavelength of 136 centimetres. What is the frequency of the tuning fork? (Take the speed of sound to be 340 metres per second.) A. f= velocity/wavelength f= 340/1.36 f=250Hz

is it true that When two identical waveforms of the same frequency are added together, the result will be a waveform with a wavelength that is twice that of the individual waveforms.

solve 5y+3y is less then or equal to-72

Find the average rate of change on the interval [-6,3] of the function h(x)=x^2-4x+7. A. -7 B. 7 C. 1 D. 13 E. -5

Use the demand function X=325(1-(6p/7p+4)) to find the rate of change in the demand x for the given price p=$5.00. Round your answer to two decimal places. A. 5.13 UNITS PER DOLLAR B. -0.85 UNITS PER DOLLAR C. 0.85 UNITS PER DOLLAR D. 1.35 UNITS PER DOLLA...

For the given equation, find the slope of the tangent to the curve at the point (-4,2). y^2+8y+x^2+8x-4=0 A. -1.50 B. -0.50 C. -2.00 D. 0.00 E. UNDEFINED

Find lim f(x) for f(x)=Ix-3I/x-3 x->3

Find the derivative of the given function. Simplify and express the answer using positive exponents only. y= ((9x^2-4)^3/7x^2+4)

Describe the interval(s)on which the function f(x)=(x-11/x^2-121) is continuous.

Find the points of discontinuity on [-3,5] for the function f(x)=[[x-1]], where the double bracket indicates the greatest integer function.

Determine the following limit. lim (1/x-3) x->3

Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. If G(t)=-0.046t^3+0.915t^2+38.005 points, what is (dG/dt)when t=4? Round your answer to the nearest point per hour. a. 50 points per hour b. 3 points per...

A place kicker must kick a football from a point 25.5 m from the goal, and must clear a crossbar that is 3 m off the ground. When kicked the ball leaves the ground with a speed of 21.9 m/s at an angle of 54o to the horizontal. By how much does the ball cl...

Find the Absolute Value by solving this algebraic-equation? x-1/3=1/2x+1/6

Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss, and/or express with my method?

Review Questions and Excercises Fill-in-the-Blank 1. A(n) _________ is information that is being passed to a function.

Given 1.01 g of H2 in the reaction H2 + 1/2 O2 = H2O. The Delta H for solution is 143 kJ. What is the delta H for the reaction?

The function f is defined as follows: f(x)={x+6 if -5 less than or equal to x<1 f(x)={9 if x=1 f(x)={-x+5 if x>1 a. find the domain b. locate any intercepts, if any

solve the following exponential equation e^x-4=-e^-x please show work

solve the equation loga(x-5)- loga (x+9)=loga(x-7)-loga(x+9) all a's are lower please show work

Change the logarithmic equation to an equivalent equation involving an exponent. log8^64=2 **note that the 8 should be lower than the g** 8^(log64)=8^2 64=8^2 is this correct

3 times the square root of 4/9

According to Newton's second law of motion, _____? A. F = mv B. F = m/a C. a = Fnet /m D. F = ma I think it is B..?

Fiona is dissatisfied with her current weekly salary. If she received a raise of $0.50 per hour and worked an additional 4 hours each week her weekly salary would then be $500. What is Fiona current salary a) $380 b)$400 c)$420 d)440 e) not e ought inform...

In which colony were people most likely to make their living by fishing. A. New Hampshire B. North Carolina C. Pennsylvania D. Massachusetts E. Virginia I put d am I correct

Automobile Airbags. The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than 250 m/s2. If you are in an automobile accident with an initial speed of 60 km/h (37 mi/h) and you are stopped by...

A baggage cart full of luggage is coasting at a speed vA across the airport taxiway. When eighteen percent of the mass of the cart and luggage is thrown off the cart, parallel to the ground and in the forward direction, the cart is brought to a halt. If t...

Please help me solve this empirical formula.Im so confused C=58.5% H=4.1% N=11.4% and O=26.0% Thank you so much

Write a function that has two infinite limits at two different x-values. Write a function where both one sided limits exist at some x value but the two sided limit do not. I don't understand how this would look, please help!

A caller informs you that it will take a $70,000 down payment and the investelemt will return $10,000 a year for the next 10 years. He tells you that you that the investment will return 14 percent. If current interest rates are 8 percent, what is the pres...

If three people are randomly selected, find the probability that they will all have birthdays on the same day of the year.

The numbers 1 to 15 are placed in a hat, and a number is selected. What is the probability that the number is 4 given it is known to be an even number?

what is the relationship between the side length and the apothem in a regular hexagon?

What is the relationship between the side length and the apothem of an equilateral triangle?

A sample of hydrogen gas (H2) is produced in a laboratory by displacement of water. A 645 mL sample of hydrogen is collected at 25 degrees Celsius and a total pressure of 758 torr. Collecting gas by water displacement causes the gas to become saturated wi...

A ship sails 50km on a bearing of 080 degrees calculate how far east it travels to the nearest tenth

Shawn Bixby borrowed $22,000 on a 150-day, 13% note. After 75 days, Shawn paid $2,500 on the note. On day 106, Shawn paid an additional $4,500. Use ordinary interest. What is the total interest and ending balance due?

An explosion causes debris to rise vertically with an initial velocity of 160 feet per second. In how many seconds does it attain maximum height? i know i need to use the formula: y(t)=-16t^2+Vot + yo Have: vo=160 Yo= is what i am trying to find and i don...

DJ was thinking of a number. He said it had 2 digits, it ended in 5, and the number in the tens place was a 4. What number was he thinking of?

how do i divide 1/6 by 2/6

how do i divide 1/6 by 2/6

what is 2/6 x 1/2 remember to simplify to lowest term

A hot air balloon is filled with 15 moles helium gas and 5 moles nitrogen gas. What is the volume of the balloon at 1.01 atm and 300 K?

An airplane flies at an altitude of y = 5 miles toward a point directly over an observer (see figure). The speed of the plane is 500 miles per hour. Find the rates at which the angle of elevation 𝜃 is changing when the angle is 𝜃 = 45°, 𝜃 = 60°, and 𝜃 = 7...

Determine whether the following equation defines 𝑦 as a function of 𝑥. √𝑦 − 2𝑥 = 3

...Determine whether the following equation defines 𝑦 as a function of 𝑥 √𝑦 − 2𝑥 = 3

Answers

The following answers were posted by visitors named Roger.

sorry but i have seen these sites. would u happen to know any others?

these are really good sites but I just wanted ones with practice review questions for my test

thanks but how did you get 1000 by dividing k by 500?

thank you so much! i really appreciate it!

Not sure if I should put a comma after canyon and then ad the word and or could it be correct.

I need help. I need to revise any run-on sentences. The first on is this. Death Valley National Monument located in Southern California and Nevada, is one of the hottest place on earth. Temperatures there have soared as high as 134 degrees Fahrenheit. Ana...

What about this Subatomic physics is filled with strange and marvelous particles: tiny bodies of matter that shiver, wobble, pulse, and flatten to no thickness at all.

So #3 would be determines not determine?

The reason I ask is because MS Word has determines underlined and the correction is determine.

My professor counted that one wrong, I tried to argue my case but with no luck. He stated that it is based on factors and not one.

In 2, they would be the people I guess.

Ok, I see it know, your awesome!

I am having a problem with #4 4)Because of Paul Robeson's outspoken attitude toward fascism, he was labeled a Communist. Should'nt it be 4)Because of his outspoken attitude toward fascism, Paul Robeson was labeled a Communist.

But I though that the pronoun he cannot refer logically to the possessive modifier Paul Robeson's.

Is the answer to #4, Because of his outspoken attitude toward fascism, Paul Robeson was labeled a Communist.

#1 Computer lessons? #4 from the North Shore? #5 included?

Awesome thank you

A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is? A size 6 shoe in the United States is size 3.5 in England. A function that converts shoe sizes in England to those in the United States...

Write the equation of the function that has a graph the shape of y=ã3:(), vertically shrunk by a factor of 1/4th and shifted right 6 units. Write the equation of the function that has a graph the shape of y=„ x„ ,reflected about the x-axis and shifted do...

that doesnt help

for b i have 2 possible answers Prices are dependent on marginal costs, therefore prices will also increase. or is it that The price charged will decrease since with short-run profits, more companies enter the market to compete and the extra competition d...

how do i find molar mass?

Still not sure what the answer is.

I don't understand when you say divide by the smallest numbers. For instnace, am I supposed to divide 3.546 (P) by 3.546 again?

P: 3.654 g P x (1 mol/30.97 g P) = .12 mol Cl: 12.546 g Cl x (1 mol/35.45 g Cl) = .35 mol Therefore, the empirical formula will be PCl3? Is this correct?

Is it undefined or just 0.00?

Can I email you some more of my homework problems instead?

not sure if i understand you when you say from the left and right?

WHY ARE YOU DELETING MY POSTS?

Thank you Visoth I really appreciate your help.

Thank you Steve I really appreciate your help.

the answer to A is 8X10^/17. You get this by using the work formula, which is the same as change in KE. I don't know how to get B

I am sooty I made a mistake with the question it is 187 not 186 and I still don't understand where you get 7 and 9 from

Is the cost of a random orange discrete or continuous?

a rectangular parking lot has a length that is 6 yards greater than the width. The area of the parking lot is 160 square yards. find the length and the width.

I e-mailed him yesterday. This is the correct answer.

Change a to 2a in the formula, and then subtract a from the end to equalize. This resolves the 1/2 distance on the first bounce. s8=(2a(1-r^n)/(1-r))-a

Find the area and the perimeter of this figure. 5 in. Square.

Part A using formula: 1/2(0+.7)*(174s)=60.9 for first answer idk the background but thats is the answer......174 is from converting 2.9 to seconds 1 minute=60 seconds 2 minutes= another 60 seconds .9 minutes=54 seconds add the numbers up you get 174 for B...

what is 2/6 x 1/2?

i meant what is 2/3 x 1/2 remember to simplify to lowest term

$222.00 Is the answer correct

mass * distance needs to be equivalent, 18x = 36*.45 = .9m

thanks for the hint. why not the full answer

Really need help on this question urgently for an assignment

For those who do not believe, no proof is possible. For those who do believe, no proof is necessary. The medical bureau however, has recorded some rather astounding sudden changes in sick people which can not be explained as delusions or faith healing fak...

Hey, I know this is 6 years later but, how do you get 9?

X+3=10 X=10-3 X=7