All Questions

-1

305

Quadratic

If f(0)=0,f(1)=2,f(2)=-5 and f(x)=ax^2+bx+c, what is the value of f(3)?

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Guest Feb 7, 2022

322

How many gallons each of

How many gallons each of
15%
alcohol and
10% read more ..

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Guest Feb 7, 2022

-1

170

Guest Feb 7, 2022

307

chemistry

how do i know if an element is a solid, liquid, or gas at room temperature?

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Squidman90 Feb 7, 2022

281

plz help

There are real numbers A and B such that
(5x + 16)/(x^2 - 7x + 10) = A/(x - 2) + B/(x - 5).
Find A + B.

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Guest Feb 7, 2022

237

algebra 2 question

Find a polynomial f(x) of degree 5 such that both of these properties hold:
f(x) is divisible by x^3 f(x)+2 is divisible by $(x+1)^3$. Write your answer in expanded form (that is, do not factor f(x)).

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Guest Feb 7, 2022

304

Algebra

2/x + 2/y = 30
x + y = 10
If the above equations are true simultaneously, then find the value of xy.

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Guest Feb 7, 2022

171

Absolute value

Find all real numbers x that satisfy the equation |x + 4| + |x - 6| = |2x - 1|.

Guest Feb 7, 2022

290

Quadratic

For what values of j does the equation (2x + 7)(x + 43) = -5 + jx have exactly one real solution? Express your answer as a list of numbers, separated by commas.

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Guest Feb 7, 2022

282

Inequality

Solve the inequality x(x + 6) > 16 + 4x.

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Guest Feb 7, 2022

199

Coordinates

The circle centered at (2,-1) and with radius 4 intersects the circle centered at (2,-5) and with radius at two points A and B. Find (AB)^2

Guest Feb 7, 2022

291

help geometry

In the diagram, angle u= 30 degrees. Arc XY is 170 degrees, and arc VW is 120 degrees. Find arc WY, in degrees.

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Guest Feb 7, 2022

Feb 6, 2022

275

Need help with function translations!

Determine a mapping of the form (x, y) --> (_, _) from y = f(x) for each of the following.

y=3f(2x) read more ..

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Guest Feb 6, 2022

291

Probability

Each of five, standard, six-sided dice is rolled once. What is the probability that there is at least one pair? (In other words, what is the probability that there are two rolls that are equal?)

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Guest Feb 6, 2022

211

Domain question

Let p(x) = sqrt(-x) , and q(x) = 8x^2 + 10x - 2. What is the domain of p(q(x))? Your answer will be of the form a <= x <= b. Find b - a .

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Guest Feb 6, 2022

298

need help with coordinates

Find the equation whose graph is shown below. Write your answer in standard form. (Standard form is Ax + By = c, where A is positive, and A, B, and C are integers with greatest common divisor 1.)

read more ..

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Guest Feb 6, 2022

262

what do I enter to calculate 10 with exponent -8

Never used a scientific calculator before. What do I enter to calculate 10 with exponent -8
Full equation is E= (5.67 * 10 exponent -8) * (255) exponent 4

Thanks! read more ..

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Guest Feb 6, 2022

326

geometry

In rectangle ABCD, AD = sqrt(3), P is on AB, and DB and DP trisect angle ADC. Write the perimeter of triangle BDP?

<read more ..

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Guest Feb 6, 2022

308

Algebra

At time t=0, a ball is thrown downward at 24 feet per second from a height of feet above the ground. The equation $h = -16t^2 - 24t +180$ describes the height (in feet) of the ball. In how many seconds will the ball hit the ground? Express your answer read more ..

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Guest Feb 6, 2022

303

Quadratic

Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial.
x^2 + 8x + ____

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Guest Feb 6, 2022

356

help

Let c be the circle with equation x^2+12y+57=-y^2-10x. If (a,b) is the center of c and r is its radius, what is the value of a+b+r?

The graph of $y=ax^2+bx+c$ is given below, where a, b, and c are integers. read more ..

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Guest Feb 6, 2022

312

exponents

what is x^2/x^9

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Guest Feb 6, 2022

334

system problem

For a certain value of k, the system

3a + 4b = 7,
6a + 4b = k - 3a - 8b read more ..

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Guest Feb 6, 2022

597

hey so I'm very tired but I need help As soon as possible

hey so I'm very tired but I need help As soon as possible

A candy bar box is in the shape of a triangular read more ..

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Guest Feb 6, 2022

All Questions ⁺⁰235535 Questions

Quadratic

How many gallons each of

chemistry

plz help

algebra 2 question

Algebra

Absolute value

Quadratic

Inequality

Coordinates

help geometry

Need help with function translations!

Probability

Domain question

need help with coordinates

what do I enter to calculate 10 with exponent -8

geometry

Algebra

Quadratic

help

exponents

system problem

hey so I'm very tired but I need help As soon as possible

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