All Questions ⁺⁰237785 Questions

0

292

1

Decimals

if 0.9 \overline{7} is written as a common fraction a/b, what is the value of a - b?

Guest Jul 26, 2022

+2

341

1

+379

Pre-calculus. I need help. Thank you.

The problem is underneath:

calvinbun Jul 26, 2022

+1

240

4

+44

heeeeelllllpppp

The product of integers 240 and k is a perfect cube. What is the smallest possible positive value of k?

heeeeelllllppppp read more ..

brainiac Jul 26, 2022

0

234

0

Algebra

Fill in the blanks to make the equation true.

(__ - ___) / (___ + ____)*(___) = 59/7
read more ..

Guest Jul 26, 2022

0

215

0

quadratic

What is the minimum value of z if z=x^2+2y^2+16x-4y+22-4xy?

Guest Jul 26, 2022

0

311

1

Algebra

Solve for y if 9^y = 3*6*27*4/(81*2)

Guest Jul 26, 2022

0

296

1

complex numbers

Express (4-5i)(-5-5i) in the form a+bi , where a and b are integers and i^2=-1.

Guest Jul 26, 2022

0

199

0

Fractions

Fill in the blank to make the equation true.
8/125*__ = 5/2.

Guest Jul 26, 2022

0

318

2

quadratic

Find the quadratic whose roots are 7 and 4.
x^2 + __x + __

Guest Jul 26, 2022

+12

309

11

+85

Combinatorics

A partition of a positive integer n means a way of writing as the sum of some positive integers, where the order of the parts does not matter. For example, there are five partitions of 4: $$4\qquad 3+1\qquad 2+2\qquad 2+1+1\qquad read more ..

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Doremy Jul 26, 2022

+1

307

2

+50

Imaginary number in a graph

So can a imaginary number be in a graph like: Since the i can cancel out

BigBrain Jul 26, 2022

0

303

2

asymptote

What is the horizontal asymptote as x approaches negative infinity of f(g(x))
f(x) = (2x - 8)/(x^2 - 2x - 3)
g(x) = (2x - 4)/(3x + 9)

Guest Jul 26, 2022

0

265

1

help coordinates

The graph of x^2 - 2x + y^2 = 24 is a circle. Find the center and radius of this circle.

Guest Jul 26, 2022

0

296

2

algebra

Let a and b be the roots of the quadratic 2x^2 - 8x + 7 = x^2 - 6x + 1. Compute a^3 + b^3.

Guest Jul 26, 2022

Jul 25, 2022

0

274

2

number theory

How many positive integers N from 1 to 5000 satisfy the congruence N = 11 (mod 131)?

Guest Jul 25, 2022

0

383

2

PLS HELP RIGHT NOW ASSSAAPP

Adam and Simon start on bicycle trips from the same point at the same time. Adam travels east at 8mph and Simon travels south at 6mph. After how many hours are they 60 miles apart?
THANKS
<3

Guest Jul 25, 2022

0

209

0

geometry

A circle with center A and radius three inches is tangent at to a circle with center B, as shown. If point B is on the small circle, what is the total perimeter of the shaded region? Express your answer in terms of pi.
read more ..

Guest Jul 25, 2022

0

301

2

Congruences

How many positive integers N from 1 to 5000 satisfy both congruences N = 5 (mod 12) and N = 11 (mod 131)?

Guest Jul 25, 2022

0

254

1

trig problem

In triangle ABC, cos B = 3/5 and angle A is 90 degrees. What is cos (C + A)?

Guest Jul 25, 2022

0

669

1

confused

$36\%$ of the letters in Pythagoras's alphabet soup are vowels, and $33\frac13\%$ of those vowels are Os. If Pythagoras removes all the Os from his soup, then $x\%$ of the original letters remain. What is $x$?

Guest Jul 25, 2022

0

450

2

PLS HELP ASAPPPPP

A point X lies in the interior of rectangle ABCD . If AX=11 cm, BX=9 cm and CX=10 cm, what is DX ? Express your answer in simplest radical.

THANNNNKKKSSSSS
<3 read more ..

Guest Jul 25, 2022

0

228

1

Domain

Suppose a function f(x) is defined on the domain [-8,4] . If we define a new function g(x) by g(x) = f(2x^2 + 1), then what is the domain of g(x)? Express your answer in interval notation.

Guest Jul 25, 2022

0

283

1

Decimal to fraction

Hi, I need help converting the answer this problem into a fraction, - 1-7/3

Guest Jul 25, 2022

0

300

1

Algebra

The expression x^2 + 15x + 54 can be written as (x + a)(x + b), and the expression x^2 - 17x + 72 written as (x - b)(x - c), where a, b, and c are integers. What is the value of a+b+c?

Guest Jul 25, 2022

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