All Questions

267

help number theory

What is the smallest positive integer such that (98*k)^(1/3) is an integer

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Guest Jul 14, 2022

290

help if you can pls! thank you!

What is the smallest distance between the origin and a point on the graph of $y=\dfrac{1}{\sqrt{2}}\left(x^2-8\right)$?

this problem makes my head hurt
i looked around for the solution already, but all that i got were wrong read more ..

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Guest Jul 14, 2022

275

Math

A juice mixture contains 3/16 gallon of apple juice and 3/40 gallons on cranberry juice. How many gallons of apple juice per gallon of cranberry juice does the mixture contain? (Express your answer as a decimal.)

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Guest Jul 14, 2022

263

Coordinates

The points (-1,4) and (2,3) are adjacent vertices of a square. What is the area of the square?

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Guest Jul 14, 2022

263

Algebra

The quadratic polynomial p(x) = ax^2 + bx + c has positive integer coefficients a, b and c that each have a value from 1 to 9, inclusive. To eight decimal places, the solutions to p(x) = 0 are x = -0.18858048 and x = -0.58919729. read more ..

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Guest Jul 14, 2022

305

probability help

Three cards from a standard deck are dealt. What is the probability that the first is a heart, the second is a spade, and the third is another heart?

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Guest Jul 14, 2022

266

Domain

If f(x) = 2 - x^(1/2) and g(x) = x^2 - 9, what is the domain of g(x)/f(x)?

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Guest Jul 14, 2022

Jul 13, 2022

272

Algerba

Alice and Bob each have a certain amount of money. If Alice receives dollars from Bob, then she will have times as much money as Bob. If, on the other hand, she gives dollars to Bob, then she will have times as read more ..

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Guest Jul 13, 2022

481

some basic geometry help asap In the figure, angles $ABC$ and $AST$ are right angles. If $AC = 35$, $AT = 11$, and $BT = 9$, then what is $A

In the figure, angles $ABC$ and $AST$ are right angles. If $AC = 35$, $AT = 11$, and $BT = 9$, then what is $AS$? [asy] pair A,B,C,D,EE; B = (0,0); A = (1,0); C = (0,0.7); EE = (0.4,0); D = foot(EE,A,C); draw(D--EE--A--C--B--E); draw(rightanglemark(A,B,C,1.5));read more ..

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Guest Jul 13, 2022

352

+491

Help please.

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Elijah Jul 13, 2022

284

trig

Find the 3 smallest positive x-intercepts of the graph of
y = cos 12x + cos 16x + cos 20x
and list them in increasing order.

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Guest Jul 13, 2022

356

help counting

James is making a sandwich with two slices of bread chosen from rye, wheat, white, olive loaf, foccacia, and filled with any combination of ham, cheese, lettuce, tomato, onion, mayo, mustard. If his sandwich can have one or two read more ..

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Guest Jul 13, 2022

287

URGENT!!! Please help!

Two sides of an isosceles triangle are 15 cm and 10 cm. What is the greatest possible perimeter of this triangle, in centimeters?

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Guest Jul 13, 2022

228

conic sections

A hyperbola has one of its foci at (3, 2), and the vertex of the hyperbola closer to this focus is at (4, 2). One of the asymptotes of the hyperbola has slope sqrt(2). Find the x-coordinate of the center of the hyperbola.

Guest Jul 13, 2022

215

help algebra

If (x^2 - k)(x + k) = x^3 + k(x^2 - x - 8) and $k\neq 0$, what is the value of k?

Guest Jul 13, 2022

233

Algebra

Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 32 meters tall and 50 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint read more ..

Guest Jul 13, 2022

311

what is the value of k x^2 +kx +7/(2x-1)

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Guest Jul 13, 2022

218

Algebra

If z find

Guest Jul 13, 2022

309

Graphing

The graph of y = (5x^2 - 9)/(3x^2 + 6x + 2) has vertical asymptotes at x = a and x = b. Find a + b.

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Guest Jul 13, 2022

238

number theory

Suppose $b_a^2 = 71_a$, where a and b represent two distinct digits. If b = a - 11, find b.

Guest Jul 13, 2022

229

Proportion

Y varies directly as x and inversely as the square of z, and when x = 32, y = 4 and z = 6. Find x when y = 10 and z = 3.

Guest Jul 13, 2022

230

Cone

From a circular piece of paper with radius BC , Jeff removes the unshaded sector shown. Using the larger shaded sector, he joins edge BC to edge BA (without overlap) to form a cone of radius 18 centimeters and of volume 432*pi cubic centimeters. What is read more ..

Guest Jul 13, 2022

283

Probability

You roll 10 12-sided dice. What is the probability of getting a sum of 68?

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Guest Jul 13, 2022

338

Help!

James, Karen, and Lou are hiking. Lou forgot to bring any water. James brought $2$ gallons of water and Karen brought $1\frac34$ gallons of water. The three of them agree to divide all the water equally among them. Lou gives $\$2$ for the water he receives, read more ..

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Guest Jul 13, 2022

279

Functions

Let $f(x)=3x-2$, and let $g(x)=f(f(f(f(x))))$. If the domain of $g$ is $0\leq x\leq 2$, compute the range of $g$.

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Guest Jul 13, 2022

All Questions ⁺⁰237827 Questions

help number theory

help if you can pls! thank you!

Math

Coordinates

Algebra

probability help

Domain

Algerba

some basic geometry help asap In the figure, angles $ABC$ and $AST$ are right angles. If $AC = 35$, $AT = 11$, and $BT = 9$, then what is $A

Help please.

trig

help counting

URGENT!!! Please help!

conic sections

help algebra

Algebra

what is the value of k x^2 +kx +7/(2x-1)

Algebra

Graphing

number theory

Proportion

Cone

Probability

Help!

Functions

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