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563

Algebra - Guide me, please!

Let a, b and c be positive real numbers such that a + b + c = 1.

Find the minimum value of a^2 + 2(b^2) + c^2
read more ..

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Guest Dec 23, 2020

453

vertical asymptotes

How many vertical asymptotes does the equation y = (x - 2)/(x^2 + 6x - 7) have?

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Guest Dec 23, 2020

886

Find the smallest positive integer $b$ for which $x^2+bx+2008$ factors into a product of two binomials, each having integer coefficients.

Find the smallest positive integer b for which x^2+bx+2008 factors into a product of two binomials, each having integer coefficients.

Thank you so much! :)

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Guest Dec 23, 2020

426

Hi can you help, you and you, and you, (you! Too)

What is the largest number $k$ less than 1000 such that the remainder is 1 when $k$ is divided by each of 3, 4, 5, 6, and 7?

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Guest Dec 23, 2020

919

How many liters of water must be added to 40 liters of a 40% salt solution in order to produce a 25% salt solution?

How many liters of water must be added to 40 liters of a 40% salt solution in order to produce a 25% salt solution? Thanks!!

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Guest Dec 23, 2020

412

domain

What is the domain of the function f(x) = (x + 2)/(x^2 - 5x - 24)? Express your answer in interval notation.

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Guest Dec 23, 2020

542

+21

help

How were Sparta and Athens alike? How were they different? Be sure to include details about how the city you are visiting and how it compares to your city.
Step 1: Choose Your Point of View
First, you must choose one of the following types of read more ..

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dqwadszda Dec 23, 2020

518

Three of the four vertices of a rectangle are (5,11), (6,11) and (16,-2)

Three of the four vertices of a rectangle are (5,11), (6,11) and (16,-2). What is the area of the intersection of this rectangular region and the region inside the graph of the equation (x - 5)^2 + (y + 2)^2 = 16? Express your answer as read more ..

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Guest Dec 23, 2020

515

help geo

Angle ABC = 90 degrees. D and E trisect hypotenuse AC. If BE = 3 and BD = 4, then find AC.

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Guest Dec 23, 2020

452

coordinate geometry

The length of the segment between the points (2a, a-4) and (3, -1) is sqrt(26) units. What is the product of all possible values for a?

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Guest Dec 23, 2020

460

quadratic

Find the largest value of c such that -2 is in the range of x^2 + 8x + c .

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Guest Dec 23, 2020

498

quadratic

The quadratic -6x^2 + 30x - 216 can be written in the form a(x + b)^2 + c, where a, b, and c are constants. What is a+b+c?

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Guest Dec 23, 2020

456

Please help (Probability)

If you were to pick two students out of a class of 7 girls and 6 boys, what is the probability that the students chosen are a boy and girl?

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Guest Dec 23, 2020

532

What is 7% of $600.00

What is 7% of $600.00?

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Guest Dec 23, 2020

391

sequence

Define the sequence of positive integers a_n recursively by a_1=3 and a_n=3^(a_n-1) for alln> =2. Determine the last two digits of a_2007.

Guest Dec 23, 2020

404

function

If t(x) = 3 - g(x) and g(x) = x^2, then what is t(g(16))?

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Guest Dec 23, 2020

703

pls help

1. A sequence is formed by adding $2$ to the triple of the previous term. If the first term is $1$, how many multiples of $6$ less than $10{,}000$ would be terms of the sequence?
2. Recall that a Fibonacci sequence is one in which all read more ..

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Guest Dec 23, 2020

402

quadratic

When the expression 3x^2 - 28x + 55 is written in the form a(x + d)^2 + e, where a,d , and e are constants, then what is the sum a+d+e?

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Guest Dec 23, 2020

619

pls help

The teacher has written an equation of the form on the board, where is a quadratic, but Heather can't read the linear term. She can see that the quadratic term is 4x^2 and that the constant is -24. She asks her neighbor, read more ..

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Guest Dec 23, 2020

419

probability

A pair of fair, standard dice are rolled. What is the probability the sum of the dice is 3?

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Guest Dec 23, 2020

Dec 22, 2020

615

probability

Jack rolls 5 fair six-sided dice. What is the probability that at least two dice show a 6?

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Guest Dec 22, 2020

1374

+29

difficult geo problem - help ASAP CPhill or anyone!

A circle is centered at O and has an area of 48pi. Let Q and R be points on the circle, and let P be the circumcenter of triangle QRO. If P is contained in triangle QRO, and triangle PQR is equilateral, then find the area of triangle PQR.
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ianw11 Dec 22, 2020

677

:/ :) :(

Consider the following two strings of digits: $11001010100101011$ and $110100011000100$. First consider them to be in base $10$ and sum them to get $n$. Then consider them to be in binary, sum them, write the answer in binary, then interpret the digits read more ..

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Guest Dec 22, 2020

660

arithmetic sequences

Two arithmetic sequences A and B both begin with 30 and have common differences of absolute value 18, with sequence A increasing and sequence B decreasing. What is the absolute value of the difference between the 51st term of sequence read more ..

hectictar ●

Guest Dec 22, 2020

525

help me

which expression is equivalent to -24 - (x + 9) + 4x - (12 - 2x)? a. -45 - x b. -45 +5x c. -27 -x d. -3 + 5x

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Guest Dec 22, 2020

All Questions ⁺⁰237641 Questions

Algebra - Guide me, please!

vertical asymptotes

Find the smallest positive integer $b$ for which $x^2+bx+2008$ factors into a product of two binomials, each having integer coefficients.

Hi can you help, you and you, and you, (you! Too)

How many liters of water must be added to 40 liters of a 40% salt solution in order to produce a 25% salt solution?

domain

help

Three of the four vertices of a rectangle are (5,11), (6,11) and (16,-2)

help geo

coordinate geometry

quadratic

quadratic

Please help (Probability)

What is 7% of $600.00

sequence

function

pls help

quadratic

pls help

probability

probability

difficult geo problem - help ASAP CPhill or anyone!

:/ :) :(

arithmetic sequences

help me

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