Parker

1. Modeling is used to: a) Save time b) Save money c) Analyze to the fullest d) All of the above e) A and B, but not C

19 years ago

If you have these three origins: (0,0) (0,952) (863,0) How do you find the last point where the two lines intersect? Would really appreciate the help. Thanks. Parker, I'm not quite sure what the question asks. Three origins? Is this standard analytic geom...

19 years ago

Here's the direction I was given: Write an expression for the sequence in each table. 1 - 8 2 - 13 3 - 18 4 - 23 5 - 28 n - ___ Would I write n = 28+5 ?

18 years ago

tiny.cc[slash]cTtCg

16 years ago

If 0 < (theta) and cos(theta)=0.5, then what is the value of cos(2theta)?

16 years ago

What is a region, continent, and hemisphere?

16 years ago

Two bumper cars collide and then move away from each other. How do the forces the bumper cars exert on each other compare?

15 years ago

12-(-5)+(-11)

15 years ago

At rest, a swing is 23.7m above the ground. When Sam performs he always pulls the swing as high as he can to 45.5m. While performing Sam 88.1 kg, is moving pretty fast at his lowest point 23.7m above the ground. What is his kinetic energy at that point? (...

14 years ago

A hiker shouts toward a vertical cliff 789.5m away. The echo is heard 2.1s later. The wavelength of the sound is 12.3 m. What is the speed of the shout? What is the frequency? What is the period of the wave?

14 years ago

If tanA = the square root of 11, find tan2A

14 years ago

P(2, 9) is a point on the terminal side of è in standard position. What is the exact value of tan è?

14 years ago

A cashier is unsure whether a group of customers ordered and ate a large or a medium pizza. Medium pizzas have a diameter of 12 inches and large pizzas have a diameter of 16 inches. All that remains is one crust that has an arc length of 4.25 inches. All...

14 years ago

Triangle XYZ has vertexes at X(-4, 5), Y(-3, 5), and Z(-3, 4). Find the measure of angle Y to the nearest degree.

14 years ago

Solve sin ¥è = -0.204 for 90¨¬ < ¥è < 270¨¬. Give your answer to the nearest tenth of a degree.

14 years ago

Solve for ¥è in the equation tan ¥è = 2.42 when 180¨¬ < ¥è < 360¨¬. Round your answer to the nearest tenth of a degree. (Enter only the number.)

14 years ago

Alan is using the equation mg sin A = umg cos A to determine the coefficient of friction, u, between a flat rock and a metal ramp. Find u to the nearest hundredth, if the rock begins to slide at 19º.

14 years ago

A hill rises from the horizontal at 15º. The road leading straight up the hill is 800 meters long. How much higher is the top of the hill than the base of the hill? Round to the nearest meter. (Enter only the number.)

14 years ago

Two pilots take off from the same airport. Mason heads due south. Nancy heads 23º west of south. After 400 land miles, how far is Nancy from Mason’s route? Round your answer to the nearest tenth of a mile. (Enter only the number.)(If someone had helped me...

14 years ago

A water-park slide covers 100 feet of horizontal space and is 36 feet high. A new replacement slide will create an angle with the water surface that measures twice that of the original slide. The new slide will use the same horizontal space as the old sli...

13 years ago

Hayley has 16 square boxes to make an array of rectangular shapes on a grid. Harry says if she uses 19 square boxes she will get more arrays. Do you aree or disagree with Harrys' claim? Explain your answer using prime and composite numbers. Use the drawin...

13 years ago

Posted a question on the 2/12/12 at 3:48PM and was never given an answer. Guess the math problem is too hard for anyone to solve. How do they expect me to answer it if no one else can? Thanks for your time. Parker.

13 years ago

"Leave the answer as a definite integral, but indicate how it could by evaluated by using the fundamental theorem of calculus." I solved the problem to a definite integral. Proceeding via the fundamental theorem, would involve finding the indefinite integ...

13 years ago

Integrate sqrt(x^2 + 1) dx over [0,2*pi] I can substitute u=arctan x to get: Integrate (sec u)^3 du over [0,arctan(2*pi)] From there, I'm stuck. (thanks Count Iblis for your last help)

13 years ago

Draw Lewis Structure for BrO3^- The textbook answer involves a central Br atom with one lone electron pair and five shared pairs (two double bonds and one single bonds). This gives Br twelve electrons rather than the typical eight. I understand that some...

13 years ago

find the definite integral that is equivalent to lim n->infinity of sum over i=(1,n) n/(n^2+i^2) since definite integral of f(x) dx over (a,b) = lim n->infinity sum over i=(1,n) f(a + (b-a)i/n) * (b-a)/n then: f(a + (b-a)i/n) * (b-a)/n = n/(n^2+i^2) rearr...

13 years ago

tom the cat is chasing jerry the mouse across the table surface at 1.5 m high, jerry steps out of the way and tom slides off the table at 5m/s. Where will tom hit the floof and what are the velocity components just before impact

13 years ago

The biomass formula for a yeast is CH1.66 00.269 N0.194. The formula accounts for 92% of dry mass; the other 8% is inorganic material (ash). When grown on C6H14, the yield on biomass is 1.4 gcell/gsubstrate. What is the respiratory quotient (mole CO2 prod...

13 years ago

I need to calculate the redox potential for the following: 1/2 O2 + 2H+ + 2e- <-> H2O I'm using the formula E = E'_0 + RT\nF ln ([electron acceptor]/[electron donor]) The electron acceptor is H+, so I can use the concentration of that which is indicated b...

13 years ago

A random sample of 49 credit ratings is obtained, and it is found that they have a (sample) mean of 679.3 and a sample standard deviation of 95.9. Using a 0.05 level of significance, test the claim that these credit ratings are from a population with a me...

11 years ago

A simple random sample of 27 adult mice has a length standard deviation of 0.66 mm. Using a 0.10 level of significance, does it appear that these mice come from a population with a length standard deviation of 0.87 mm?

11 years ago

One survey by the American Medical Association showed that among 785 randomly selected people who completed four years of college, 81.7% do not smoke. Use a 0.01 significance level to test the claim that people who completed four years of college are more...

11 years ago

The equation below shows how Mandy decides how much juice to buy for a party. In the equation, g is the number of gallons of juice she buys, and t is the length of the party in hours. g= 3t + 5

10 years ago

Which is an example of thinking at the margin? A. figuring out what you will give up and what you will gain by hiring a new worker B. thinking about whether or not to go on a vacation to a warm beach C. drawing plans to build an extra room on an old home...

10 years ago

A court is 94ft long by 50ft wide.It contains 3 circles, each with a diameter of 12 ft. Two of the circles are located at the free throw line with "half of each circle shaded" and the third circle is at the center. Within the third shaded circle is anothe...

10 years ago

A shaded rectangle is 4ft by 6ft. Within the rectangle is another white rectangle 2 ft by 1 1/2 ft . What is the area of the rectangle that is not white?

10 years ago

you started to run at 10km/h when you left your house and you arrived at school .5 hours later. assuming that your average acceleration was 30 /h2, how fast were you running when you arrived

9 years ago

The total number of people in a survey is T. The number of males in the survey is x and the number of doctors is y. The number of doctors that are male is z. Write algebraic expressions for the following using any of the variables x, y, z and T. a. The nu...

8 years ago

I have a choice of taking AP history my freshmen yr or Honors, from a tutors point of view, if am getting a 98 in history now, should I take the AP? I know this isn't really hw, but if you can give me any suggestions, I'd really appreciate it! Thanks! It'...

8 years ago

Did Washington sign Jay's Treaty (1795) or was it just john jay & british

8 years ago

Find the first four terms of the sequence represented by the expression. 3n+5

8 years ago

1. “… to overspread and to possess the whole of the continent which Providence has given us for the development of the great experiment of liberty and federated self-government entrusted to us.” –John O’Sullivan The quote above can be most accurately seen...

8 years ago

List at least three ways in which Grassland and Tundra biomes are similar.

8 years ago

1. "If slavery is not wrong, nothing is wrong ... And yet I have never understood that the Presidency conferred upon me an unrestricted right to act officially upon this judgment and feeling ... I claim not to have controlled events, but confess plainly t...

8 years ago

The Richter Scale is based on measurements of the ____ of a seismic wave. A. Speed B. Frequency C. Intensity*** D. Amplitude

8 years ago

The bottom of a picture five feet tall is four feet above the level of an observer's eyes. How far from the wall on which the picture hangs should the observer stand in order that the picture subtends the greatest possible angle at the observer's eyes?

8 years ago

Insert grouping symbols to make each statement true. 4 • 2 - 2 to the power of 2 ➗ 9 + 2 = 6

8 years ago

The annual demand q for bottles of wine from a vineyard when the bottles are priced at p dollars each satisfies the equation qe0.04p = 6000. The price is currently $12 per bottle. Find the rate at which demand changes (with respect to time) if the price i...

5 years ago

Suppose f '' is continuous on (−∞, ∞). (a) If f '(1) = 0 and f ''(1) = −1, what can you say about f ? 1)At x = 1, f has a local maximum. 2)At x = 1, f has a local minimum. 3)At x = 1, f has neither a maximum nor a minimum. 4)More information is needed to...

5 years ago

A bacteria culture is growing at a rate of r(t) = 3e0.4t thousand bacteria per hour after t hours. How much did the bacteria population increase during the first two hours? (Round your answer to three decimal places.)

5 years ago

An oil storage tank ruptures at time t = 0 and oil leaks from the tank at a rate of r(t) = 105e^−0.02t liters per minute. How much oil leaks out during the first hour? (Round your answer to the nearest liter.) I got 4974.35 and it was incorrect, any ideas...

5 years ago

Water coming out of a fountain is modeled by the function F(X) = -X to the power of 2+ 8X plus to wear f(X)represents the height and feet of the water from the fountain at different times X and seconds what does the average rate of change F(X) from X equa...

4 years ago

ater coming out from a fountain is modeled by the function f(x)= -x^8x+2 where f(x) represents the height, in feet, of the water from the fountain at different times x, in seconds. What does the average rate of change of f(x) from x=1 to x=4 represent

4 years ago

Krystal buys a necklace for $12.00. Her friend, Lisa buys a belt that is 3 times the cost of Krystal's necklace. You buy a shirt that was 1/6 of the cost of Lisa's belt. How much did you pay for the shirt?

4 years ago

Traveling to the three important locations in Bobby’s world involves a 34.6 mile journey. Without traffic, GoogleMaps predicts that this path will take 42 minutes of driving in a car. What is the assumed average speed per hour that GoogleMaps is using for...

4 years ago

Today is pizza day for SPED at an elementary school. There are 5 students and 4 teachers. The teachers and students will eat 15 pizzas all together. How many pizzas should the SPED teacher order?

4 years ago

What does focus means when it says creating more focused standards was a key aim to the Common Core State Standards?

4 years ago

Grade 4 example: Deanna is planning a cook-out for a family reunion. There will be 135 people attending. Deanna needs to buy hamburgers to serve at her cook-out. If hamburgers come in packages of five, how many packages of hamburgers will she need to buy...

4 years ago

After you run 2/3 of that 3/4 of a mile, we will post a riddle. We are wondering how much of a mile is that 2/3 of the way around the track? (Not solving the problem). The students’ job was to figure out what part of a mile is that 2/3 mark. What are poss...

4 years ago

The National Aquarium attracts more than 1.9 million visitors each year. Nearly 90% of Aquarium is their primary reason for visiting Baltimore. How many Aquarium visitors visit Baltimore for other reasons besides the Aquarium?

4 years ago

Total of more than 2 million gallons of water are pumped, filtered and re-pumped within the Aquarium's nearly 200 water systems. The average bathtub holds 50 gallons of water. How many bathtubs could the water in the Aquarium fill?

4 years ago

The tail of a reticulated whiptail ray can be 3 times it's body length. If the ray measures 20 feet from the very front of its body to the very end of its tail, what is the length of its body? What is the length of its tail?

4 years ago

Black grouper fishing regulations state that a grouper must be 24 inches long when caught or more or it has to be released. Fisherman off the coast catches 7 black grouper. Each grouper is the same length and the sum of the lengths of all the groupers com...

4 years ago

Electric eel can generate 5 times the voltage contained in a domestic power outlet. If a power outlet can supply 120 volts of electricity, how many volts of electricity can be generated by 2 electric eels combined?

4 years ago

Out of 800 identified living species of cephalopods, 300 are octopuses. About what percent of cephalopods are octopuses? About what percent are not?

4 years ago

Female diamondback terrapins lay eggs 2-3 times per year. Each clutch (group of eggs) can contain anywhere from 4-23 eggs. If a female diamondback has been laying eggs for 18 years, what is the greatest amount of eggs she could have laid? The least?

4 years ago

Sloths only travel about 125 feet per day. How many days will the sloth need to travel 3 miles? Hint: there are 5,280 feet in a mile

4 years ago

If the life expectancy of a sloth is 20 years, how many times will it touch the ground in its lifetime? Hint: There are 52 weeks in a year.

4 years ago

omgg has someone done this already? I need an essay NOW (DW I was revise it over and over)

3 years ago

In what way did the Alien and Sedition Acts change the authority of the federal government? The Early Republic Unit Test

3 years ago

Find the Maclaurin series for the given function: 1) f(x) = x^2 ln(1 + x^3) 2) f(x) = x^2 / sqrt(2 + x) 3) f(x) = x*tan^(-1)(3x)

3 years ago

Japanese society and culture quick check

2 years ago

How old is melody

2 years ago

Neither do I.

16 years ago

It still says NOT CORRECT.

16 years ago

the lions ate up all the prophets :D this was a riddle on my math hw

15 years ago

nevermind, I got it. The trick was using trigonometric reduction formulas.

13 years ago

f''(x) = 24x - 18 f'(x) = 12x^2 - 18x + C Since f'(1) = -6, then -6 = 12(1)^2 - 18(1) + C -6 = 12 - 18 + C -6 = -6 + C C = 0 So f'(x) = 12x^2 - 18x f(x) = 4x^3 - 9x^2 + C Since f(2) = 0, then 0 = 4(2)^3 - 9(2)^2 + C 0 = 4(8) - 9(4) + C 0 = 32 - 36 + C 0 =...

12 years ago

Idek I need help!

10 years ago

The equation below shows how Mandy decides how much juice to buy for a party. In the equation, g is the number of gallons of juice she buys, and t is the length of the party in hours. g=3t+5

10 years ago

im stuck between C or A

10 years ago

Im gonna go with A

10 years ago

I provided the missing information but you have not responded. :=(

10 years ago

Unanswerable without the weight of the car to find its gravitational force and the y-component of its normal force

9 years ago

THX MAN

8 years ago

Never mind found my answer

8 years ago

Manifest Destiny?

8 years ago

Thank you! :D

8 years ago

Then is it A?

8 years ago

A line of chorus girls.

8 years ago

The answer is false (:

7 years ago

Asset is used as him as the asset. Asset is defined as someone or something that is important in a situation.

5 years ago

-178 bottles per year

5 years ago

I looked at an example on slader and used the method they used. This was right tho, thank you!

5 years ago

In a recent year 32.9%, of all registered doctors were female. If there were 55300 female registered doctors that year, what was the total number of registered doctors?

5 years ago

That just means there was a rounding error somewhere, might've been on the calculators side if you approximated some numbers instead of using the real values, since 2.3*10^-2 = 0.023, which is similar to your answer of 0.022

4 years ago

Is it 3 times $12.00 = $36.00 Then, $36.00 times 1/6 or $0.16 = $6 The answer is $6?

4 years ago

So it's 42/60 = 0.70 Then, 34.6/0.70 = 49.42 Answer is 49.42

4 years ago

The sloth only visit the forest floor once a week to use the restroom.

4 years ago

No, it's not a hw dump. So the answer is 1,040.

4 years ago

3 miles = 3 times 5,280 = 15840 feet in 3 miles 5,280 divided by 125 = 126.72 days? Would the answer be 127 days?

4 years ago

5 times 120 = 600 5 times 120 = 600 600 plus 600 = 1200 Answer is 1200 volts

4 years ago

*will over and over

3 years ago