All Questions ⁺⁰237665 Questions

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385

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math

Andrea has $18 to spend. She spent $6.50, including tax, to buy a notebook. She needs to save $5.75, but she wants to buy a snack. If candy bars cost $1.15 per package including tax, what inequality would show the maximum number of packages that Andrea read more ..

Guest Oct 30, 2020

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705

3

+226

please help thank you in advanced!

Let a,b,c be vectors such that
Then evaluate

littlemixfan Oct 30, 2020

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374

0

Find polynomial f(n) such that for all integers n

Find polynomial f(n) such that for all integers n >= 1 we have
f(n) = 1^3 + 2^3 + 3^3 + ... + n^3

Write f(n) as a polynomial with terms in descending order of n read more ..

Guest Oct 30, 2020

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427

1

A square is constructed using the hypotenuse line AC

A square is constructed using the hypotenuse line AC of right triangle ABC as a side, as shown below. Find the area of the square if AB = 5 and BC = 8.

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Guest Oct 30, 2020

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517

1

Triangle AHI is equilateral

Triangle AHI is equilateral. We know BC, DE, and FG are all parallel to HI and AB = BD = DF = FH. What is the ratio of the area of the trapezoid FGIH to the area of trapezoid DEGF? Express your answer as a common fraction.
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Guest Oct 30, 2020

Oct 29, 2020

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675

3

The display of a 24-hour digital clock shows hours and minutes in the format XX:XX

The display of a 24-hour digital clock shows hours and minutes in the format XX:XX. For what fraction of a day is at least one 9 displayed on this clock?

Guest Oct 29, 2020

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414

1

Intermediate Algebra Minimum Values

Find the minimum value of x^2 + xy + y^2 + x + y + 1 over all real numbers x and y.

Guest Oct 29, 2020

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544

1

Pls help

How many different integers between 100 and 500 are multiples of either 6, 8, or both?

Guest Oct 29, 2020

+2

495

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+1

Spanish Speakers

I was wondering if any Spanish speakers out there would like to help me on a Spanish project ?

LiveLoveLaugh Oct 29, 2020

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538

3

Melody please help!

Suppose z and w are complez numbers. Prove the (z+wbar)(zbar+w) is real. P.S when it says bar next to the variable it means the line on top of it

Guest Oct 29, 2020

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484

0

Help

The tangent line to the graph of y = g(x) at x = 4 has equation -3x+11. What is the equation of the tangent line to the graph of y = g(x)^3 at the same point ?

Guest Oct 29, 2020

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1230

1

A five-digit number is chosen at random from all possible five-digit numbers.

A five-digit number is chosen at random from all possible five-digit numbers. Find the probability that the number is NOT divisible by every element of ( 1,2,3,4,5)

Guest Oct 29, 2020

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402

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matematicas

Dar la forma canónica y factorizada de la función cuadrática y= -2x²-2x+4. Indicar dominio, imagen, vértice, eje de simetría, raíces, ordenada al origen, máximos o mínimos, intervalos de positividad y negatividad, intervalos de crecimiento y decrecimiento. read more ..

Guest Oct 29, 2020

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513

1

Help

Chasity started biking to the bookstore traveling 9 mph, after some time the bike got a flat so Chasity walked the rest of the way, traveling 2 mph. If the total trip to the bookstore took 9 hours and it was 39 miles away, how long did Chasity travel at read more ..

Guest Oct 29, 2020

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543

1

Mr. Smith brings home 7 animals for his 7 children

Mr. Smith brings home 7 animals for his 7 children. Each child will adopt a pet to be her or his own. There are 4 different cats (a Siamese, a Persian, a Calico, and a Minx), 2 different dogs (a Poodle and a Golden Retriever), and a goldfish. Charlie read more ..

Guest Oct 29, 2020

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723

2

HELP ME FOR MY TEST

The Carson family drove a total of 482 miles, starting on Friday and ending on Sunday. They drove 138 miles on Friday and 225 miles on Saturday. How many miles did they drive on Sunday?

Guest Oct 29, 2020

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536

1

How many 4-letter words

How many 4-letter words with at least one vowel can be constructed from the letters A,B, C, D , and E ? (Note that B, C, and D are consonants, any word is valid, not just English language words, and letters may be used more than once.) read more ..

Guest Oct 29, 2020

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828

1

help me please

An elevator ascends at a rate of 29.6 feet per second. If a building is 1,450 feet tall, about how long would it take for the elevator to travel from the ground floor to the roof?

Guest Oct 29, 2020

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355

0

HELP ASAP NO TIME!!!!!

Suppose z and w are complez numbers. Prove the (z+wbar)(zbar+w) is real. P.S when it says bar next to the variable it means the line on top of it

Guest Oct 29, 2020

0

440

0

How many different rectangles with sides parallel to the grid can be formed

How many different rectangles with sides parallel to the grid can be formed by connecting four of the dots in a 5*5 square array of dots, as in the figure below? (Two rectangles are different if they do not share all four vertices.)
read more ..

Guest Oct 29, 2020

0

492

0

A 6'' by 6'' grid made from 1'' pieces of wire

A 6'' by 6'' grid made from 1'' pieces of wire glued together at their ends is shown here. How many pieces of wire would be required to create a similar 12'' by 12'' grid?

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Guest Oct 29, 2020

0

2109

1

ASAP PLEASE

A radial saw has a blade with a 9-in. radius. Suppose that the blade spins at 800 rpm.
(a) Find the angular speed of the blade in rad/min.

rad/min. read more ..

Guest Oct 29, 2020

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407

0

MAX tile on 2048

does 2^1024 = 144 uncentillion

Guest Oct 29, 2020

0

485

1

The values of x

The values of x such that 2x^2 - 3x + 5 = 0 are m + ni and m - ni where m and n are positive. What is mn?

Guest Oct 29, 2020

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