All Questions

300

Domain

Let f(x) = 2 sqrt(x). What is the domain of f? Express your answer with interval notation.

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Guest Jun 10, 2022

299

What is the area of a regular pentagon with a 12-cm radius?

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Guest Jun 10, 2022

Jun 9, 2022

295

help algebra

The difference between two numbers is 36. Four times the smaller is equal to 3 more than the larger. What are the numbers?

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Guest Jun 9, 2022

370

+24

Algebra 2

Write each expression with a single rational exponent. Show each step of your process. Which expressions are equivalent? Justify your reasoning.

read more ..

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Pythonkil06 Jun 9, 2022

284

Algebra

Simplify $\frac{1+\sqrt{2}}{1+\sqrt{3}} \cdot 2$. Your solution can be converted to the form $-A-\sqrt{B}+\sqrt{C}+\sqrt{D}$, where A, B, C, and D are positive integers. What is $A+B+C+D$?

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Guest Jun 9, 2022

292

showing continuity of functions

I have the following theorem "If the function g is continuous everywhere and the function f is continuous everywhere, then the composition of f o g is continuous everywhere."

How can I read more ..

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Guest Jun 9, 2022

304

Quadratic

If the roots of the quadratic equation 1/2*x^2 + 99x + c = 0 are and , then what is the value of c?

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Guest Jun 9, 2022

315

Algebra

Jerry is presently twice as old as his brother and six years older than his sister. How many years from now will Jerry's age be of the combined ages of his brother and sister at that time?

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Guest Jun 9, 2022

215

Help graphing complex numbers!

Represent the sum of the complex numbers −3+2i and −3−i on the complex plane.

Guest Jun 9, 2022

244

Math question complex numbers help!

How is the product of a complex number and a real number represented on the complex plane? Consider the product of 2−4i and 3. Drag a value or phrase into each box to correctly complete the statements. The complex number 2−4i has modulus of . When 2−4i read more ..

Guest Jun 9, 2022

300

Algebra

Simplify $\frac{\sqrt{72}}{\sqrt{10} \cdot \sqrt{2} \cdot \sqrt{3} \cdot \sqrt{5}}$. Your answer should have an integer denominator.

BuilderBoi ●

Guest Jun 9, 2022

301

polygons

The result of dividing the interior angles of a regular polygon by its exterior angle is 2.5, find the number of sides of the polygon

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Guest Jun 9, 2022

298

HALP

How many positive divisors do 8400 and 7560 have in common?

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Guest Jun 9, 2022

307

geometry

each of equal sides of an isosceles triangle is 4cm greater than its height .If the base of triangle is 24 cm ,calculate the perimeter and the area of the triangle

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Guest Jun 9, 2022

310

Help graphing cosine function!

The graph of a cosine function has an amplitude of 5, a vertical shift of −1, and a period of 4. These are the only transformations of the parent function. Use the Sine tool to graph the function. The first point must be on the midline, and the second point read more ..

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Guest Jun 9, 2022

297

Kevin has $4.85 in nickels and dimes. If he has 34 fewer dimes than nickels, how many coins (nickels and dimes) does he have altogether?

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Guest Jun 9, 2022

313

Math help, Polar equivalent

Which equation is the polar equivalent to the equation y=−√3/3x? θ=π/6 θ=π/3 θ=2π/3 θ=5π/6

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Guest Jun 9, 2022

-1

327

+70

Help

Can somebody explain the most beautiful equation in math thanks

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Hamburger Jun 9, 2022

208

Congruence

The solution to 8x + 1 = 5 + 4x (mod 12) is x = a (mod m) for some positive integers m >= 2 and a < m. Find a + m.

Guest Jun 9, 2022

268

Sum and Difference

Numbers are drawn from 1,500 integers between 135 and 1,634. What is the least number of integers that must be randomly drawn to ensure that there are two numbers whose difference is 149 and whose sum is also 149? Thank you for help.

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Guest Jun 9, 2022

292

geometry

In the diagram, triangle BDF and triangle ECF have the same area. If DB = 2, BA = 4, find the length of EC.

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Guest Jun 9, 2022

301

geometry question

The length of three unequal edges of a rectangular solid block are in G.P. The volume of the block is 216 cm^3 and the total surface area is 312 cm^2. The length of the longest edge is ?

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Guest Jun 9, 2022

319

Counting

Catherine rolls a 6-sided die six times, and the product of her rolls is . How many different sequences of rolls could there have been? (The order of the rolls matters.)

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Guest Jun 9, 2022

303

Algebra

Find the ordered pair (a,b) of real numbers for which x^2+ax+b has a non-real root whose cube is 1.

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Guest Jun 9, 2022

306

Parabola

The vertex of a parabola is at (12,-4), and its axis of symmetry is vertical. One of the x-intercepts is at (-15,0). What is the x-coordinate of the other x-intercept?

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Guest Jun 9, 2022

All Questions ⁺⁰237740 Questions

Domain

What is the area of a regular pentagon with a 12-cm radius?

help algebra

Algebra 2

Algebra

showing continuity of functions

Quadratic

Algebra

Help graphing complex numbers!

Math question complex numbers help!

Algebra

polygons

HALP

geometry

Help graphing cosine function!

Kevin has $4.85 in nickels and dimes. If he has 34 fewer dimes than nickels, how many coins (nickels and dimes) does he have altogether?

Math help, Polar equivalent

Help

Congruence

Sum and Difference

geometry

geometry question

Counting

Algebra

Parabola

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