# Posts by none

Total # Posts: 68

**MATH**

In an isosceles trapezoid the length of a diagonal is 25 cm and the length of an altitude is 15 cm. Find the area of the trapezoid.

**maths**

A school is organising a pen holder making competition using cardboard, if the pen holder is in the shape of a cylinder having base of diameter 28 cm and height 60 cm .If there are 35 competitors, then how much cardboard is required?

**Social studies**

It might be best to just use what you know...so yup

**Language arts**

What is the central idea of the selection

**algebra**

mrs. rays class has 18 girls and 9 boys. mr lis class has 16 girls and 8 boys. is the girl- boy ratio the same in each class. explain

**Math**

-1/9 + (-5/7) = A.) -3/8 B.) -52/63 C.) -6/7 D.) -61/63

**Language Arts**

is hero right

**social studies**

Here are the answers there right 1.D 2.B 3.B 4.D

**Math**

A 6-foot person standing 15 feet from a streetlight casts a 15-foot shadow. Two similar triangles are formed. One triangle is formed by the person and the shadow that the person casts. A second triangle is formed by the streetlight and the ground from the base of the ...

**Probability**

Might help for c: P(minXi<a) means 1-P(minXi>a) which means 1-P(allXi>a).

**Probability**

c = 0.098 wrong. anyone got maximum likelihood estimate of è based on a sequence of observations?

**painting**

what idea did the halos on the heads of Pichore's main subjects emphasize A) plentiful wisdom B) Exceptional power C) Divine connection D) extraordinary creativity

**math connexus**

correct answers are C A B B B B A B B A A D B D C C D C

**word problem**

Ieda bakes 73 cupcakes and accidentally drops 5 of them. She divides them equally into 13 containers for a bake sale for the school band. How many cupcakes does Ieda have left?

**algebra word problems**

thanx ms.sue :)

**algebra word problems**

The length of a rectangle is 6 inches longer than its width. The perimeter of the rectangle is 28 inches. If x represents the width of the rectangle, which equation can be used to find its value?

**maths**

a=2 b=−3 c=5 that's ur answer for a.b.c

**English**

something wrong well happen...

**Math**

deefined on all real numbers

**Algebra**

8x92y4327

**Phoenix**

bt−7b that's your answer

**physics**

a car has a mass of 820 kg. It starts from rest and travels 41 m in 3.0s. What is the net force applied to the car?

**Physics**

A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s

**Algebra 2**

A player throws a ball up and toward a wall that is 17 feet high. The height h in feet of the ball after t seconds after it leaves the player's hand is modeled by h=-16t^2+25t+6. If the ball makes it to where the wall is, will it go over the wall or hit the wall?

**Maths Probability**

Might help for c: P(minXi<a) means 1-P(minXi>a) which means 1-P(allXi>a).

**Maths Probability**

anyone got maximum likelihood estimate of è based on a sequence of observations?

**Maths Probability**

c = 0.098 wrong.

**math (cant figure it out)**

1.C 2.B 3.D 4.A 5.B 6.D

**physics**

839

**math**

.815

**Quantum Physics**

Suppose you are given an endless supply of qubits in the state (1/√2)|00>+(e^iϕ/√2)|10>. To estimate the phase angle ϕ, you run Fourier sampling (i.e. Hadamard on each qubit followed by a standard basis measurement) on this state repeatedly. After ...

**Dynamic**

A block of mass m is released from a height of R. The block slides down along the path ABC. At point C the block collides a spring of stiness k. (a) If the circular arc AB is frictionless and the coecient of kinetic friction between the block and surface BC is k...

**Physics**

An elevator's cable is cut causing the elevator to slide down thhe elevator shaft on the emergency brakes and wheels. Suppose that the mass of the elevator and passengers were 1500 kg, and the frictional force (wheels on tracks)was 9000N Draw a force diagram determine the ...

**American History**

Thanks for your answers..That helped me.

**MATH**

bored x 100000 paigeee

**Math**

An amusement park charges $20 up front to rent a canoe. There is an additional charge of 150 cents per hour. Write an equation that relates the total amount of rent R in cents to time h in hours.

**Physics**

nerd no ans u only answer

**Statistics**

8/663

**Science**

Explain why the vacuum ball does not separate.

**math**

open toad wow, just wow

**Life Science (Desperate)**

A Swallow

**Statistics**

Is there a rule to figure out if this is a true or false statement? A sample size of 900 is not large enough to conclude that the sampling distribution of p is a normal distribution, when the estimate of the population proportion is .995.

**physics**

as a ball moves upwards in the air, by how much does its speed decrease each second?

**physics**

as a ball moves upwards in the air, by how much does its speed decrease each second?

**government**

banker.

**Statistics**

none

**language**

When you are interviewed, be relaxed and friendly. Write a thank-you note to the potential employer when the interview is over. The most effictive combination of sentences 10 and 11 would include which of the following groups of words? a)friendly;but write b)friendly;the write...

**language**

Familiarize oneself with the types of jobs most often available, with the various employment offices, and with the skills most in demand. what correction should be made? a)change Familiarize to Familiarized b)replace oneself with yourself c)insert a comma after various d)...

**language**

First, you should study the openings posted in the local newspapers-subscribe to all of them if possible, or read it at the public library. what correction should be made? a)replace you with one b)replace you with they c)insert a comma after openings d)replace it with them e)...

**Math**

If I have a square and I draw two lines across the middle that interestect what would be the interior angles of that intersection. I know the square itself is 360 degrees and the inner corners are all 45 degrees. I am not sure how to calculate the interior ones. ex Suppose ...

**french**

Replace ?’s with prepositions à, de, pour, etc. or some phrases do not need prepositions. Are these correct? Nous sommes sûrs ???de??? gagner auz prochaines elections. Je ferai ????? installer un lave-vaisselle cet été – no preposition ...

**geography**

what does todalsig stand for when doing maps

**english**

I am working on a crossword puzzle involvin northern climes and the question I have is, what is the foreclosure of academic studies (sometimes associated with a blizzard). The word or phrase is 14 letters long and the 5th letter is and o the 8th letter is an l and the 14th ...

**Planning**

Some traits that make you more dependable are- truth telling being a nice person doing things you are asked to do

**algebra**

x<-1

**math**

How would I find the deriviative of: (x^3/3) + (x^2/2) +x

**11th grade CHEMISTRY TITRATION LAB!**

can someone just come to my house and do my lab for me????

**english**

True beyond a reasonable doubt; it may be that consumption will drop in the future or that discovery of new reserves will increase, but as long as consumption at some level continues, eventually all the oil will be used up.

**social studies**

what are some historical key leaders of the philippines?

**math-alg**

b?

**history**

who is the doctor that is working on the first car that will drive in th sky Since this is not my area of expertise, I searched Google under the key words "flying car history" to get these possible sources: http://travel.howstuffworks.com/flying-car1.htm http://en....

**report**

oh no!!! i have a report on the Blarney castle in Ireland due tomorrow and i don't know how i should write it to make it sound good!!! what should i do to get it done?? i need a quick answer!!! help!!!!!!!! Here is the best site on the web on writing an essay...http://www....

**chemistry**

There has to be a precipitate of calcium nitrate, Ca(NO3)2, and sodium chloride, NaCl because when I clicked none, it came out wrong. Please help http://en.wikipedia.org/wiki/Solubility check the solubility table there. Nitrates, and chlorides are soluble.

**Chemistry**

What is the precipitate of calcium nitrate, Ca(NO3)2, and sodium chloride, NaCl?? Sodium nitrate and calcium chloride are both soluble in water.

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