# jared

Popular questions and responses by jared-
## Physics 1 (Calc Based)

At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad

*asked on March 31, 2010* -
## math

Don has one-third as much money as Ann. Gwen gives Don $17. Now Ann has $2 less than Don. How much money do Ann and Don have in all? is this how to set it up? t = 1/3 g +17 g = t - 2

*asked on July 9, 2020* -
## advanced math

suppose that a1, a2, a3, ..., ak forms an arithmetic sequence. If a5+a8+a11=10, a7+a10+a13=12, and ak=11, find k note: the numbers and the k after the a's are subscript but i don't know how to type that

*asked on September 30, 2009* -
## science-math help

Explain why a 1:3 ratio of green-seeded plants to yellow-seeded plants is the same as a fraction of 1/4 green seeded plants thanks

*asked on April 1, 2009* -
## la

At the end of "Raymond's Run," Squeaky has a different attitude about running and about her rival, Gretchen. Describe the actions that demonstrate these changed feelings. What role does conflict play in Squeaky's changed attitude? Use events and details

*asked on October 20, 2014* -
## 4th grade math

Can you help? 1. Choose the best estimate for the length of a bottle of glue. a. 15 millimeters b. 15 centimeters c. 15 meters d. 15 kilometers I know it's not c or d. So, i think it is a - 15 millimeters because length of 15 centimeters (length of

*asked on May 8, 2017* -
## 3rd grade math

1. What is 47 and 52 rounded to nearest hundred? answer: both 0?

*asked on September 3, 2015* -
## physics

three 80 gram weights are suspended at 32 cm 43 cm and 76 cm of a uniform meter stick. if the stick is made to rotate at its midpoint where must the 4th 80 gram weight be suspended to attain equilibrium? please and thank you

*asked on August 31, 2015* -
## Math

The quadratic equation x^2+2x−8=0 can be rewritten as (x+4)(x−2)=0. What is the multiplicity of the root x=−4? A.The multiplicity of the root is 1. B.The multiplicity of the root is 3. C.The multiplicity of the root is 2. D.The multiplicity of the

*asked on February 27, 2020* -
## Physics

A 100-W light bulb has an average lifetime of 800 h. how many electrons Move through the bulb in its life?

*asked on April 3, 2017* -
## Math

Math riddle worksheet "did you hear about" 20 boxes Answer ASAP

*asked on February 7, 2012* -
## Math

How many integer palindromes are between 10,000 and 70,000 and how many of those are even?

*asked on November 19, 2013* -
## 5th grade Math

I'm not sure how to answer this. Select two fractions whose sum is 3/4 and whose denominators are both the same but not equal to 4

*asked on October 16, 2017* -
## Pre Calculas

A man who can row in still water at 3 mph heads directly across a river flowing at 7 mph. At what speed does he drift downstream?

*asked on May 12, 2015* -
## Physics HELP!!

What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/10 the speed of light?

*asked on May 2, 2012* -
## algebra

A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula v = pi r^2 h for the volume of a cylinder.

*asked on February 22, 2012* -
## math

the distance, d, an object falls when dropped from a tower varies directly as the square of the time it falls. If the object falls 144 feet in 3 seconds, how far will it fall in 11 seconds?

*asked on January 4, 2011* -
## Physics

At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration of –0.40 rad/s^2 has an angular velocity of 1.5 rad/s and an angular position of 2.3 rad. What is the angular position of the wheel at t = 2.0 s? Ans: Theta final=4.5 rad

*asked on March 31, 2010* -
## math

Seventh grade students were asked whether they participated in an after school activity. Complete the table below. What is the relative frequency of males who do not participate in an after school activity? Round your answer to the nearest hundredth. yes

*asked on May 25, 2020* -
## math

Look at the following test scores: 90, 90, 93, 85, 87, 79, 100, 95, 82, and 89. Wilbert took the test and earned a 60%. How is Wilbert's score going to affect the data set? A) The mean decreases slightly and the median decreases tremendously. B) The mean

*asked on May 23, 2020* -
## 6th grade Math

Your group has 12 red tiles and 18 blue tiles. Your job is to arrange the tiles in rows. You must use all the tiles, a row can only contain only blue or only red tiles, each row can only contain the same number of tiles, and the rows should be as long as

*asked on August 29, 2018* -
## 5th grade Math

Can you check my answer? 4. Solve. 6 tenths = ___ thousandths Answer = 600 5. Write 347.392 in expanded form. Answer: (3*100)+(4*10)+(7*1)+(3* 1/10) + (9*1/100)+ (2*1/1000) 9. Write in standard form (number name) for: three thousand four hundred eight-two

*asked on October 7, 2017* -
## 5th grade LA

Can you check my homework? Which of these are compound sentences? 1. My cat licked my face when I came home from school. NO (simple) 2. I am worried, because my cat is missing. No (complex) 3. Sarah did her homework, and then she went to the party. YES 4.

*asked on August 20, 2017* -
## Calculus

Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 2, and x = 1 is revolved around the line y = −2.

*asked on May 18, 2017* -
## Statics

If both the projection Pa and component Fb of the force F are 250 N, determine the magnitude of the resultant F and the orientation theta of the b-axis. There is a 34 degree angle from the resultant force to the a-axis. There is a 4 degree angle from the

*asked on August 27, 2015* -
## Math problems

a farmer plants .6 0f a field with peanuts. the field is 5.6 acres in size. how many acres are planted with peanuts

*asked on February 1, 2015* -
## Geometry

I have four questions: 1. The area of trapezoid ABCD is 60. One base is 4 units longer than the other, and the height of the trapezoid is 5. Find the length of the median of the trapezoid. 2. In trapezoid ABCD, line BC is parallel to line AD, angle ABD =

*asked on December 6, 2014* -
## Quadratic Functions in Algebra

Suppose C(x)=x^2−6x+20 represents the costs, in hundreds, to produce x thousand pens. How many pens should be produced to minimize the cost? What is the minimum cost? Number of pens to minimize cost: Minimum Cost:

*asked on March 18, 2014* -
## Math Word Problem

The Mesozoic Era began about 250,000,000 years ago. The Palezoic Era began 292,000,000 years before that. How long ago did the Palezoic Era Begin? A. 42,000,000 Years B. 492,000,000 Years C. 542,000,000 Years D. 556,000,000 Years

*asked on September 24, 2013* -
## math

which expression stands for "32 more than a number d" ? A. 32 x d B. 32- d c. 32 + d d. 32 divided by d I am not sure?

*asked on March 7, 2013* -
## grammar

label each word's part of speech or its job."Has our executive officer hired that young man for the job?"

*asked on November 2, 2009* -
## science math

Explain why a 1:3 ratio of green-seeded plants to yellow-seeded plants is the same as a fraction of 1/4 green seeded plants

*asked on April 1, 2009* -
## chemistry

KHP is a monoprotic acid with a molar mass of 204.22 g/mol. The titration data are as following. The average concentration of NaOH solution is M. 1 2 3 mass of KHP (g) 2.789 2.543 2.612 vol NaOH used (mL) 27.77 23.22 27.12 You didn't ask a question but I

*asked on May 16, 2007* -
## math

How do i solve 2/3(x+7) = 10? 2(x+7)/3 = 10 (2x +14)/3 = 10 (3)(2x +14/)3 = 10*3 2x + 14 = 30 2x = 30-14 2x = 16 x = 8 why wouldnt' I distribute 2/3 to x + 7 and get 2/3x + 14/3? choices were a. 22, b. 8, c. -1/3, d. 41/3. I started out doing this (but

*asked on October 27, 2019* -
## 6th grade Math

1. At Saturday's football game, there were 45 more than half the fans at Fridays game. Assuming there were "x" fans at Friday's game, what expression represents the number of fans at Saturday's game? = 1/2x + 45 (1/2 times x plus 45) 2. What is the

*asked on November 8, 2018* -
## 5th grade Math

When finding the mass of an object, you determine which of the following? a. quantity of matter in the object b. its weight c. its height d. its length I picked A, but it was marked wrong. So, I guess the more correct answer is B?

*asked on March 6, 2018* -
## 5th grade LA

Identify the preposition. 1. He was bitten by the dog with the red collar. a: by, with 2. Take the fire escape on the side of the building. a: on, of 3. He brushed his hair with the brush from the dollar store. a: with, from 4. The robot with the mohawk

*asked on October 12, 2017* -
## 5th grade Math

Can you check my problems? 1. Write the phrase shown using only numbers and symbols. The sum of thirty-six plus twelve divided by 4 = (36+12)/4 2. Evalute the following expression 36 + 12 / 4 = 36 + 3 = 39 3. Write an expression for the phrase below:

*asked on September 10, 2017* -
## LA - 5th grade

Which version of to/too to use? 1. He came too when they threw water on his face. 2. I was to late to catch the bus.

*asked on August 24, 2017* -
## physics

Starting from rest, a 10kg suitcase slides down a 3.00m long ramp inclined at 30 degrees from the floor. The coefficient of friction between the suitcase and the ramp is 0.35. 1) what net force is applied to the suitcase while it is on the ramp? 2)what is

*asked on December 13, 2015* -
## physics

A uniform rod is set up so that it can rotate about a perpendicular axis at one of its ends. The length and mass of the rod are 0.849 m and 1.17 kg. What constant-magnitude force acting at the other end of the rod perpendicularly both to the rod and to the

*asked on October 28, 2014* -
## la

While Cyril is smacking the seat cushions, his aunt invites him to look out the window. What can you infer from these two details in "The Story-Teller"? The aunt is trying to distract Cyril and get him to behave. The aunt is punishing Cyril for his bad

*asked on October 21, 2014* -
## 4th grade Algebra

What is another way to write the expression 44n? What is another way to write the expression 44 divided by n?

*asked on March 6, 2013* -
## math

Ms. shoemaker has 35 students in her classroom. Of those students 6/7 are right handed and 4/5 of te right handed students have brown eyes. How many right handed brown eyed students are in the class.

*asked on February 11, 2013* -
## Math6

A gallon of water wighs 8 1/3 lb. How much does 1 1/5 gallon of water weigh? How do I figure this out?

*asked on January 27, 2013* -
## Trig

Prove the following functions: (sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are due in the am. Fastness would be great?

*asked on November 7, 2011* -
## World Culture

What type of skills are needed to be independent in the U.S

*asked on September 30, 2010* -
## math

how can you tell whether 78 divided by 2 is greater than 30 without dividing?

*asked on April 18, 2010* -
## FST (functions, stats, and trigonometry)

what is the equation for the axis of symmetry for the function f(x)=IxI?(absolute value)

*asked on October 7, 2009* -
## 10th grade

Meaning of tool used to measure length?

*asked on September 8, 2009* -
## algebra

determine the slpoes of the lines padding through these points (3,-1) and (-7,-1)

*asked on July 14, 2009* -
## Chemistry

Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– --> Mn2+ + CO2 MnO4– + Fe2+ --> Mn2+ + Fe3+ ? is it because K+ is just a spectator ion or is it because K+ would cause a net positive charge in

*asked on July 4, 2007* -
## chemistry

If the stockroom fails to dry the KHP to remove the waters of hydration, the student's calculated concentration for the standardized base will be: ____________ (low, high, or unaffected) A drop of NaOH is hanging from the buret tip before the titration of

*asked on May 16, 2007* -
## Chemistry

When 0.643 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 105C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

*asked on May 7, 2007* -
## Physics

Ok, so this probem is kinda complicated, so ask me if you need clarification. This problem deals with Impulse and Momentum. There are two balls hanging vertically from a horizontal plane. Ball A is pulled back and is set up to strike ball B. Given for ball

*asked on November 29, 2006* -
## Physics

How much work is done by a tree to stop a 25.0 g arrow traveling at 75.0 m/s if it embeds itself 6.00 cm into the trunk?

*asked on May 13, 2020* -
## math

The population of a city was 60,000 in the year 2005 and increased by 2.5% every year. a) Write a formula for the population size depending on time b) What was the population in 2015? c) In what year will the population double?

*asked on April 21, 2020* -
## Math

1.-(6)^-1 a.6 b.1/6 c.-1/-6 d.-6 2.(-8.3)^0 a.1 b.-1 c.0 d.-8.3 3.-1/p^-6 a.-6/p b.-6p -p^6 p^6 4.4^6*4^3 a.4^9 b.4^18 c.12^9 d.64^9 5.(-4)^-6(-4)^7 a.4^13 b.-4 c.13 d.1 6.(^6)^2 a.2y^12 b.y^12 c.y^8 d.y^36 7.(6q^6)^-4 a.6q^1296 b.1296q^2 c.1/1296q^24

*asked on March 2, 2020* -
## math

identify the property(5+3)+9=5+(3+9)

*asked on October 10, 2019* -
## Calculus Limits

Suppose that lim t→1 (f(t) − e^π)/ (t − 1) = 16. What is limit→1 f(t)? I don't understand, is f(1) = e^x? but how do I show it? am I allowed to rearrange that equation to f(t) = 16(t-1) +e^π inside of a limit? ughhhh I dont understand, any help

*asked on October 4, 2019* -
## math

1. Bella's recipe for a batch of cookies calls for 4 1/2 cups of flour. if she wants to make 2/5 of a batch of cookies how much flour should she use? 2/5 * (4 1/2) = 2/5 * 9/2 = 9/5 = 1 1/5 cups flour 2. A submarine is at an elevation of - 9 4/7 meters. It

*asked on September 9, 2019* -
## 6th grade Math

Solve. 12 ÷ 4( 9 ÷ 3) x 9 =12/ 4(3) x 9 = 12/12 (9) = 1 The answer sheet had 81. Is this correct? 12 ÷ 4( 9 ÷ 3) x 9 = 12/ 4(3) x 9 = 3(3) x 9 = 81? 2. 8 + 8 (18 ÷ 3) = 8 + 8(6) = 8 + 48 = 56 Isn't this similar to the 1st problem?

*asked on October 22, 2018* -
## Language Arts Alliteration

I received a comment on my essay saying these two are not examples of alliteration. Are they or are they not? "Winter was a weird time for the world," and "I was walking in the woods, when I noticed the trees were filled with branches of only DULL GREEN."

*asked on October 20, 2018* -
## biology

1. In the order they occur, list and describe the 4 main steps of mitosis. You may provide an illustration if you prefer, but you must name the steps in order. (4 points)

*asked on October 9, 2018* -
## Math

4. The animal shelter rescued 40 cats and dogs today. If 12 of them were cats, what percent of them were dogs? Should I solve by subtracting 40-12 to get the number of dogs or solve using the cats and then subtracting that from 100? 40-12 = 28 dogs 28/40 =

*asked on October 7, 2018* -
## 4th grade math/ratios

1. 12 markers for $4. how many markers for $1? 12/4 = 3 markers 2. 7 bananas for $15. how much does 1 banana cost? 15/7 = $2.14

*asked on September 24, 2018* -
## 6th grade Math

Can you check the following? 3. Lily is cutting a roll of cookies into slices that are 3/8 inch thick. If the roll is 10 1/2 inches long, how many slices can she cut? Ans: (21/2)/(3/8) = (21/2 )* (8/3) = 28 slice 5. Amy has painted 3/4 of a room. She has

*asked on September 13, 2018* -
## 6th grade Math

Can you check teh following? 1. Jill has 3 yards of cotton. She needs 3/4 yard for each skirt she makes. How many skirts can she make? Ans: 3/(3/4) = 3(4/3) = 4 skirts 2. For a party, 8 sandwiches are being made. If each sandwich is cut into thirds,how

*asked on September 6, 2018* -
## Math

10. Bicycle speedometers are programmed based on the number of revolutions the wheel turns per second. A bike wheel spins 480 times in 1 minute. What is the rate per second? a. 1 revolution per second b. 8 revolutions per second c. 60 revolutions per

*asked on April 27, 2018* -
## 5th grade LA

Can you check my answers? 1. The sailboat was too tall to pass under the bridge. Which of the bolded words in the sentence begins a prepositional phrase? (bolded words: was, too, pass, under) a. was b. too c. pass d. under Ans: d (under) 2. The coach

*asked on March 18, 2018* -
## 5th grade Math

1. Stan brought candy for his friends that weighed 7/8 pounds. If he split it up equally among himself and 4 other friends, how much candy did they each eat? (7/8) /5 = (7/8)*(1/5) = 7/40 pound 2. Yesterday, Jill drank 6 gallons of water this week. If her

*asked on January 29, 2018* -
## 5th grade Math

Can you check this? 7. Will brought in candy for his friends that weighed 7/8 lbs. If he split it up equally among himself and 4 other friends, how much candy did they each get? (7/8)/5 = 7/40 lbs??

*asked on January 15, 2018* -
## 5th grade LA

Can you check this sentence. Each pair has a problem with a change in verb tense. Rewrite the sentences so that verbs are correct. 1. Honey never spoils. Honey from tombs of ancient Egypt still tasted good today. answer: Honey never spoils. Honey from

*asked on December 12, 2017* -
## 5th grade LA

For the following sentences, identify the verbs. Then write the correct form of one verb to match the tense of the other one. If no change is needed, write NC. 1. The stage crew placed teh props on stage and sets them in place. verbs: placed, sets answer:

*asked on December 7, 2017* -
## 5th grade LA

Can you check the following? Past Perfect Tense 1. My teacher __ us three chapters, but I only finished one of them. (assign) answer:had assigned 2. Before their fossils __, we knew nothing about dinosaurs. (discover) answer:had been discovered 3. The team

*asked on December 5, 2017* -
## math

Find the value of this integer expression: 2( 3 4 8 7) −+ − − + +++ .

*asked on November 16, 2017* -
## 5th grade LA

Can you check these? Find the prepositional phrase in each sentence. Circle the preposition, and underline the object of the preposition. 26. After it was fixed, he thought about how to make it work better. prep: about obj: ? 27. The engine needed a lot of

*asked on November 8, 2017* -
## 5th grade science

Can you check this question? 7. Which of the following is an instinctive behavior that an organism can inherit from its parents? a. a raccoon taking lids off trash cans to find food. b. a dog barking loudly when doorbell rings c. a seal balancing a ball on

*asked on October 29, 2017* -
## 5th grade Soc Studies

can you check my answers? Tell which Bill or Rights is being shown in the examples. You may use an amendment more than once. 1. Boopsie Bride decided to change churches when she got married and the government didn't care. ans: 1st amendment (right to

*asked on October 14, 2017* -
## 5th grade LA

Can you check these? Place commas where they belong. 4. No Elena isn't coming over this weekend so you can make plans to hang out with your friends. A: No, Elena isn't coming over this weekend, so you can make plans to hang out with your friends. 13. Carly

*asked on October 4, 2017* -
## 5th grade LA

Insert commas where they belong. Provide a short reason. 2. Ever since you asked my opinion about the soccer field battle I've been mulling the situation over trying to determine a logical consequence. A: Ever since you asked my opinion about the soccer

*asked on September 27, 2017* -
## 5th grade Math

1. Jack arranges his baseball cards in 15 rows with 25 baseball cards in each row. his friend Jorge has 2 times as many baseball cards as jack. Write a multiplication equation to represent the total number of baseball cards Jorge has. = (15*25)*2

*asked on September 22, 2017* -
## 5th grade LA

4.Which sentence uses commas correctly? A. The teacher read Home of the Brave, before the class went to lunch. B. The teacher, read Home of the Brave before the class went to lunch. C. The teacher read Home of the Brave before the class went to lunch.***

*asked on September 11, 2017* -
## 5th grade science

If you used a peach as a model of an animal cell, what would the fruit represent and why? It would represent the cytoplasm because it would contain the "insides" of the peach.

*asked on September 10, 2017* -
## 5th grade Math

Read the following word problems, create an expression, and solve. 1. Nadia earned $3 a week. Nathan $4 a week. How much did they earn together after 4 weeks? (3+4) x 4 = $28 2. Audrey has 120 beads. She puts 8 beads on each necklace and 4 beads on each

*asked on September 7, 2017* -
## 4th grade math - line plot

Can you explain how to answer the following question? Information: Tally chart shows the widths of buttons collected (button sizes in inches). 1/8 in = 6 buttons, 2/8 in = 0 buttons, 3/8 in = 3 buttons, 4/8 in = 1 button, 5/8 inc = 2 buttons, 7/8 in = 4

*asked on May 17, 2017* -
## Physics

How many x-ray photons are emitted per second by an x-ray tube that puts out 1.0 W of 75-KeV x rays?

*asked on April 24, 2017* -
## Statistics

If the slope of the regression line is negative and the correlation coefficient is -.5, coefficient of determination is: - It would be -0.25. Correlation coefficient = r and coefficient of determination = r^2. Then, coefficient of determination would be

*asked on April 23, 2017* -
## Physics

How many x-ray photons are emitted per second by an x-ray tube that puts out 1.0 W of 75-KeV x rays?

*asked on April 21, 2017* -
## Physics

How many x-ray photons are emitted per second by an x-ray tube that puts out 1.0 W of 75-KeV x rays?

*asked on April 20, 2017* -
## Physics

A certain material has a work function 0 (angle sign) = 1.5 eV. a)what is the frequency of a photon that ejects an electron from his material, giving the electron an energy of 1.6 eV? b)what type of EM radiation is this?

*asked on April 20, 2017* -
## Physics

A 100-W light bulb has an average lifetime of 800 h. how many electrons Move through the bulb in its life?

*asked on April 2, 2017* -
## Physics

How many calories are needed to heat 247 grams of ice at 14F to water at 50C? s(ice)=0.500kcal/kg/C, s(water)=1.000kcal/kg/C ,hf= 79.7kcal/kg, hv= 540 kcal/kg

*asked on March 27, 2017* -
## Physics

A train blows its horn as it approaches a crossing. A.) if the train engineer observes a frequency of 125Hz and a stationary observer at the crossing observes a frequency of 132Hz, what is the speed of the train? (The speed of sound is 330m/sec on this

*asked on March 27, 2017* -
## Physics

Ten cars at an intersection are blowing their horns simultaneously, creating a 100 decibel sound in the middle of the intersection. What is the average sound level for each car? 10/100= 10db per car?? Idk

*asked on March 25, 2017* -
## physics

A soccer ball has a diameter of about 22 cm and a mass of about 430 g. What is its terminal velocity?

*asked on March 16, 2017* -
## 4th grade math

1. After saving up for while, Melanie saved $12 of her allowance. She decided to spend 1/3 of that money at the book fair. the book she wanted was $5. Did she bring enough money to buy the $5 book. Draw a model to justify your answer. Answer - 12 x 1/3 =

*asked on March 12, 2017* -
## 4th grade math

Eric had 10 cookies. He gave 1/2 to Jeff. he also gave 1/5 of cookies to Mike. How many cookies does each boy have? Jeff: 10 x 1/2 = 5 Mike: 10 * 1/5 = 2 Eric = 10-(5+2)= 3

*asked on February 15, 2017* -
## math

A 4-pound box of rice, which is a mixture of white rice and wild rice, sells for $1.80 per pound. White rice sells for $0.75 per pound. Wild rice sells for $2.25 per pound. How many pounds of white rice are in the mixture? -White rice = W Wild ride= S

*asked on February 1, 2017* -
## 4th grade math

Can you check please. 1. Melvin had 20 children in his kindergarten class. Two-fifths of the children had brown eyes. Onefourth of the children had blue eyes. The rest had hazel eyes. How many children had hazel eyes? 20(2/5) = 8 brown 20(1/4) = 5 blue

*asked on February 1, 2017*