Friday

December 19, 2014

December 19, 2014

Total # Posts: 75,735

**Math Help!**

What is the hypotenuse of a right trianlgle if the legs are each 20 inches long? Round to the nearest whole number. A. 28 B. 29 C. 30 D. 31 Is the answer B? Thanks
*October 23, 2014*

**ap calc**

two particles are moving along a linear track according to the functions x1=t^2+2t and x2=-t^2+8t+80 for t is greater than or equal to zero. a)at what value of t will the two particles be in the same place b)will they be going in the same or opposite directions at the time ...
*October 23, 2014*

**Math Help!**

Thank you :)
*October 23, 2014*

**Math Help!**

I think I see where I went wrong is the answer B?
*October 23, 2014*

**Math Help!**

Which set represents a Pythagorean triple? A. 2,5,6 B. 6,8,10 C. 8,8,128 D. 8,10,256 Is the answer D?
*October 23, 2014*

**Math--1 question plz?**

Use the Distributive Property to multiply. (x – 9)5
*October 23, 2014*

**Math Help!**

Thanks
*October 23, 2014*

**Math Help!**

No it says 8.
*October 23, 2014*

**Math Help!**

If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? A. 1.4 B. 3.8 C. 5.4 D. 10.8 Is the answer D? Thanks
*October 23, 2014*

**ap calc**

suppose that the position functions of 2 bugs B1 and B2 in motion along the same line are B1=1/2t^2-t+3 and B2=-1/4t^2+t+1 for t is greater than or equal to zero. a) prove the bugs will not collide b)how close do the bugs get to each other? I would greatly appreciate if you ...
*October 23, 2014*

**ap calc**

I have solved the problem but am not sure it it is right. I would appreciate if you would check to see if my answer is right. The height of the ball thrown upwards from the top of a 20 foot hill is given by h(t)= -16t^2+90t+20 ft (where t is measured in seconds). how high ...
*October 23, 2014*

**French**

I don't know. That's why I'm asking. It is actually not a homework question if you are thinking in that direction.
*October 23, 2014*

**French**

*X is something we can put in there, such as bread or table.
*October 23, 2014*

**French**

How do you respond to "Comment dit-on X en francais?"
*October 23, 2014*

**Math Help!**

45 So is the answer D?
*October 23, 2014*

**Math Help!**

2025
*October 23, 2014*

**Math Help!**

C?
*October 23, 2014*

**Math Help!**

Which set of numbers represents a pythagorean triple? A. 6,9,12 B. 7,10,12 C. 16,18,25 D. 27,36,45 Is the answer A?
*October 23, 2014*

**science**

Ralph has the same mass of 72.6 kg, and his maximum velocity is still 7.3 m/s on the swing. What is the maximum height that Ralph reaches on his swing?
*October 23, 2014*

**science**

Ralph is also swinging at the park. He has a mass of 72.6 kg, and his maximum velocity at the lowest point in his swing is 7.3 m/s. What is Ralph’s maximum kinetic energy?
*October 23, 2014*

**physics**

A brick is thrown upward from the top of a building at an angle of 33.5◦ above the hori- zontal and with an initial speed of 12.8 m/s. The acceleration of gravity is 9.8 m/s2 . If the brick is in ﬂight for 3.4 s, how tall is the building?
*October 23, 2014*

**Math**

Can't get it in my head the following problem. Carol needs 10 panels each being 11feet tall. At $13.75 a yard. How much will it cost to purchase supplies?
*October 23, 2014*

**accounting**

Blanche invested $9800 in a savings account with a yearly interest rate of 2% for 15 years. How much simple interest did she earn?
*October 23, 2014*

**Algebra**

(7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) = 6x^3 + 8x^2 + 4x - 7 (-3x^4 + x^6 - 9x^5 + 2x^2 - 7) - (-2x^5 + x - 4x^2 - x^4 + 12) = x^6 - 7x^5 - 2x^4 + 6x^2 - x - 19
*October 23, 2014*

**physics**

astronauts on a distant planet set up a pendulum length 1.2m. the pendulum executes simple harmonic motion and makes complete vibrations in 280s. what is the magnitude of the acceleration due to gravity of this planet?
*October 23, 2014*

**physics**

in preparation in shooting a pinball machine, a spring(k = 675N/m) is compressed by 0.0650m relative to its unstrained lenght.the ball(m = 0.0585kg) is at rest against the spring at point A. when the spring is released ,the ball
*October 23, 2014*

**physics**

in preparation for shooting a pinball machine,a spring (k=675n/m) is compressed
*October 23, 2014*

**physics**

an object is attached to the lower end of a 100-coil spring hanging from the ceiling.the spring stretches by 0.160m. the spring is then cut into two identical springs of 50 coils each. as the drawing shows, each spring is attached between the cieling and the object by how much...
*October 23, 2014*

**physics**

a spring lies on a horizontal table, and the left end of the spring is attached to the wall. the other is connected to a box. the box is pulled to the right, stretching the spring static friction exists between the table and the box
*October 23, 2014*

**physics**

the mass of the truckand its contents is 7460kg. find the magnitude of the forces exerted by the ground a) the front wheels b)the rearwheels of the truck.
*October 23, 2014*

**physics**

suppose a soccer player boots the ball from a distance 35 m into the goal. find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be 40° above the horizontal
*October 23, 2014*

**math**

He forgot the biggest number he can make is 777 and he forgot to say there is 444 small numer
*October 23, 2014*

**physics**

a floor polisher has a rotating disk that has a 15cm radius the disk rotates at a constant angular velocity of 1.4rev/s and is covered with a soft material that does the polishing. An operator holds the polisher in place for 45s, in order to beff an especially scuffed area of ...
*October 22, 2014*

**physics**

the magnitude of a pilot is w. the plane is travelling at 230m/s on a vertical circle of radius 690m. determine the ratio Fn/w. for comparison,note that black out can occur for values fn/w as small as 2 if the pilot is not wearing an anti-G suit
*October 22, 2014*

**physics**

workdone is done against bullet by block,Fd which equals its kinetic energy of bullet to stop it F*0.15=1/2*0.012*425^2 F=1083.75/0.15=7225N
*October 22, 2014*

**physics**

a penny is placed at the outer edge of a disk(radius =0.150m) that rotates about its axis perpendicular to the plane of the disk at its center. the period of rotation is 1.80s. find the minimum coefficient friction necessary to allow the penny to rotate along with the disk
*October 22, 2014*

**algebra, factoring**

Solve. x3 + 0.9x2 − 0.9x = 0
*October 22, 2014*

**math**

The length of the base and the height of a triangle are numerically equal. Their sum is 16 less than the number of units in the area of the triangle. Find the area of the triangle.
*October 22, 2014*

**algebra**

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integer.
*October 22, 2014*

**algebra**

If 3 times the square of an integer is added to 1 times the integer, the result is 2. Find the integers.
*October 22, 2014*

**Chemistry**

Potassium manganate 7
*October 22, 2014*

**science**

suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where us dined on cactus flowers ti ab adjacent island with many fewer cacti but an overabundance of orchids. what would be the immediate consequences to the species in ...
*October 22, 2014*

**physics**

a pendilum consists ofa small object hanging from the ceiling at the end of the string of negligible mass. the string has length of 0.7m. with the string hanging vertically,the object is given an initial velocity of 2.0m/s parallel to the ground and swings upwards on a ...
*October 22, 2014*

**math**

9/12
*October 22, 2014*

**math**

6/12+ 1/3 find each sum
*October 22, 2014*

**math**

find each sum 4/8 + 1/2
*October 22, 2014*

**math**

gracie read 150 pages of a book. the book is 227 pages long which equation shows the amount she still needs to read to finish a story
*October 22, 2014*

**science**

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...
*October 22, 2014*

**math**

paul dad made a turkey potpie for dinner on wednesday. the family ate 4/8 of the pie. on Thursday after school paul ate 2/16 of the pie for a snack. what fraction of the pie remained.
*October 22, 2014*

**physics**

A 21.2-kg box rests on a frictionless ramp with a 14.3° slope. The mover pulls on a rope attached to the box to pull it up the incline. If the rope makes an angle of 41.2° with the horizontal, what is the smallest force F the mover will have to exert to move the box up...
*October 22, 2014*

**math**

the pet shop owner told jean to fill her new fish tank 3/4 full with water. jean filled it 9/12 full. what fraction of the tank does jean still need to fill.
*October 22, 2014*

**English**

What transition is suitable to be placed before the word or?
*October 22, 2014*

**please help physics!!**

I have the answers but i dont know if i am right A) 2.4
*October 22, 2014*

**please help physics!!**

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...
*October 22, 2014*

**math**

Item Questions A store’s average monthly revenue for the first three months of the year was $12,000. The average monthly revenue for the entire year was $18,000. What was the average monthly revenue for the last nine months?
*October 22, 2014*

**math**

how do you rename 2/5 so you can add it to 11/25 what us the sum
*October 22, 2014*

**Calc**

find absolute max and min of f(x)=cosx+sin^2(x) on interval [0,2pi]. Give exact answers, not decimal approx. (Use closed interval method)
*October 22, 2014*

**math**

what is the combined height of 3 nickels 2 nickels and 1 nickel
*October 22, 2014*

**math**

Jeremy collected nickels for one week. he is making stacks of his nickels to determine how many he has. the thickness of one nickel is 1/16 inch. how tall is a stack of 16 nickels
*October 22, 2014*

**math**

find each sum 1/2 + 2/5
*October 22, 2014*

**math**

find each sum 1/12 + 4/6
*October 22, 2014*

**math **

find each sum 1/4 + 2/3
*October 22, 2014*

**math**

find each sum 2/3+ 1/5
*October 22, 2014*

**math**

find each sum 1/7+ 3/21
*October 22, 2014*

**math**

find each sum 2/9 + 1/3
*October 22, 2014*

**SBVC**

The formula for the area of a parallelogram is A = bh. The area of the parallelogram in the illustration is 300 square centimeters. If its base is three times its height, how long is the base?
*October 22, 2014*

**Calc 1: Max/Min**

Find values for a and b so the function f(x)= ax*e^bx has the max value f(1)=3. Give exact values for a and b, not decimals)
*October 22, 2014*

**San Bernardino valley college**

can you please do the problem a little more
*October 22, 2014*

**San Bernardino valley college**

The height of a triangle is 3 inches less than 5 times the length of its base. The area is 34 square inches. Find the length of the base and the height of the triangle.
*October 22, 2014*

**math**

Use anumber line to prove 1/4=2/8=4/16
*October 22, 2014*

**physic**

a footbal is thrown at an angle of 35 reltive to the ground at a speed of 25m/s. the football is then caught 38m from the throwner. you can assume the height that the ball thrown at is the same as the height it was caught. how long was the football in the air ?
*October 22, 2014*

**math**

A rectangular room containing 198 square feet is 7 feet longer than it is wide. How long of a piece of crown molding is needed to trim the perimeter of the ceiling?
*October 22, 2014*

**Algebra 2**

Idk
*October 22, 2014*

**science**

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where ...
*October 22, 2014*

**Chemistry **

How much work must be done on a system to decrease its volume from 14.0 L to 5.0 L by exerting a constant pressure of 4.0 atm?
*October 22, 2014*

**British Literature**

Hat do we learn about sir gawain's character from his speech in his lines 343-361 and from his actions ?
*October 22, 2014*

**HEALTH AND P.E ONE QUESTION HELP!!!!!!!!!!**

values
*October 22, 2014*

**HEALTH AND P.E ONE QUESTION HELP!!!!!!!!!!**

We are pretty smart kids we figure it out trust me just sometimes we need help ;) So the answer is C.
*October 22, 2014*

**HEALTH AND P.E ONE QUESTION HELP!!!!!!!!!!**

Values trust me ;)
*October 22, 2014*

**chemistry**

Calculate ∆T for the reaction. Assume the initial temperature of both reactants is 25.0◦C. Calculate the volume of the reaction mixture. Calculate the mass of the reaction mixture. Assume the density of the mixture is 1.03 g mL^(-1). Calculate the heat transferred ...
*October 22, 2014*

**Science ONE QUESTION!**

Look up the Law of the Conservation of Momentum
*October 22, 2014*

**Math HELP!**

Thanks Brady your the best! :)
*October 22, 2014*

**Math HELP!**

A ladder is leaning against a house. The distance between the base of the ladder to the house is 3 feet. The length of the ladder is 10 feet. In feet, how far above the ground does the ladder touch the house? A. 4.2 ft B. 9.5 ft C. 10.4 ft D. 14.1 ft Is the answer B? Thanks
*October 22, 2014*

**properties of multiplication**

if you multiply any number by 1, can the product ever be greater than that number?
*October 22, 2014*

**French**

Vous can actually be a polite way of addressing someone or be used in a plural form. Ex.1) Je vais bien. Ex.2) Nous allons bien.
*October 22, 2014*

**French**

How might a group respond to "Comment allez-vous?"
*October 22, 2014*

**Math HELP!**

Thank you Brady :)
*October 22, 2014*

**Math HELP!**

What is the height of the tree? Its a right angle triangle but its laying on its left side. The right side is 52 ft. the left side is 38 ft. The tree is standing as tall as the bottom. A. 64.4 ft. B. 35.5 ft. C. 37.4 ft. D. 90 ft. Is the answer A? Thanks
*October 22, 2014*

**Math HELP!**

Thanks Brady :)
*October 22, 2014*

**Math HELP!**

One leg of a right triangle measures 15 m and the hypotenuse measures 17 m. What is the measure of the other leg? A. 22.67 m B. 8 m C. 32 m D. 5.66 m Is the answer A? Thanks
*October 22, 2014*

**Math HELP!**

Thank you Ms. Sue :)
*October 22, 2014*

**Math HELP!**

Find the distance from the ferris directly to Butte. The picture is of an right triangle. On the left side length is has 42 mi. on the bottom of the triangle it has 56 mi. on the right side there is not number and at the top corner of the triangle it says Ferris on the right ...
*October 22, 2014*

**Math HELP!**

Thank you Brady and Ms, Sue :)
*October 22, 2014*

**Math HELP!**

Ms. sue which one is the answer.
*October 22, 2014*

**Math HELP!**

The legs of a right triangle measure 6 in. and 8 in. What is the length of the hypotenuse? A. 10 in. B. 5.39 in. C. 14 in. D. 8 in. Is the answer A? Thanks
*October 22, 2014*

**health**

What can architects do to help promote physical activity initiatives?
*October 22, 2014*

**science**

Please help anyone?
*October 22, 2014*

**science**

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where ...
*October 22, 2014*

**english**

Is it A?
*October 22, 2014*

**english**

What will the speaker of “My City” most regret losing when he dies? A. the experience of city life B. the touch of people he loves C. the brightness of the world D. the sound of children's voices
*October 22, 2014*

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