All Questions

293

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 - 1)
then what is the domain of g(x)? Express your answer in interval notation.

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Guest Jul 28, 2022

+10

332

+1166

Feisty Geometry

In the circle below, . is a diameter of the circle, and . What is the number of inches in the length of ? Express your answer in terms of .

CPhill read more ..

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nerdiest Jul 28, 2022

303

geometry

Let A_1 A_2 A_3 \dotsb A_{10} be a regular polygon. A rotation centered at A_1 with an angle of \alpha takes A_4 to A_8. Given that \alpha<180 degrees, find \alpha in degrees.

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Guest Jul 28, 2022

308

Domain

What is the sum of all real numbers x that are not in the domain of the function
f(x) = 1/(x^2 - 7) + 1/(x^4 - 8) + 1/(x^5 - 9)?

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Guest Jul 28, 2022

314

+379

I found an answer but it's wrong.

My answer is: Q R P S

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calvinbun Jul 28, 2022

313

Algebra

Simplify the following (2y-1)(4y^{10}+2y^9+4y^8+2y^7 + y^6) Express your answer as a polynomial with the degrees of the terms in decreasing order.

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Guest Jul 28, 2022

206

Fractions

In how many different ways can 2/15 be represented as 1/a + 1/b + 1/c, if a and b and c are positive integers with a >= b >= c.

Guest Jul 28, 2022

291

help algebra

Suppose 5x = 3. Find 5(2x + 3).

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Guest Jul 28, 2022

318

Help

Luke is making pancakes. The recipe calls for 0.5 quart of milk and 2.5 cups of flour. He has 3/8 quart of milk and 18/8 cups of flour. Luke makes the recipe with the milk and flour that he has. Explain his error.

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Guest Jul 28, 2022

297

quadratic

If the roots of the quadratic equation 1/2*x^2 + 99x + c = 0 are x = -99 + sqrt(8021) and x = -99 - sqrt(8021), then what is the value of c?

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Guest Jul 28, 2022

301

Domain

What is the domain of the real-valued function
q(x) = sqrt(x)/sqrt(-1 + x^2)?
Express your answer as an interval or as a union of intervals.

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Guest Jul 28, 2022

205

Algebra

Simplify and rationalize the denominator: 1/(1 + 1/(sqrt(3) + 2)).

Guest Jul 28, 2022

Jul 27, 2022

317

Right triangles

The side lengths of a right triangle measure x, x + y, and x + 2y units where 0 < y < x. What is the value of y/x? Express your answer as a common fraction

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Guest Jul 27, 2022

332

+100

number theory

If , where represents a base-8 digit (and represents a four-digit number whose second digit is ), then what is the sum of all possible values of in base 10?

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Wsai12 Jul 27, 2022

295

expected value

Suppose you have a weighted coin in which heads comes up with probability 3/4 and tails with probability 1/4. If you flip heads, you win $1 but if you flip tails, you lose $1 What is the expected win of a coin flip in dollars?

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Guest Jul 27, 2022

319

+27

Math help for a question about finance.

A customer has two payment options at a local furniture store when purchasing appliances worth $6000

Option 1
• Down payment of 15%. read more ..

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qtiop Jul 27, 2022

265

+27

) Use the following personal loan payment calculator to determine the monthly payments and the total cost of borrowing $18000 at rate of 3%

) Use the following personal loan payment calculator to determine the monthly payments and the total cost of borrowing $18000 at rate of 3% for 4 years. (4 marks)
PERSONAL LOAN PAYMENT CALCULATOR
Monthly payment per $1000 borrowed
Interest read more ..

qtiop Jul 27, 2022

294

Trapezoid

What is the area of the trapezoid shown? Express your answer in the simplest exact form.

read more ..

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Guest Jul 27, 2022

289

Square roots

Simplify sqrt(2)*sqrt(6)*sqrt(110)*sqrt(156).

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Guest Jul 27, 2022

291

Radicals

Simplify sqrt(27)*sqrt(12)*sqrt(300)

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Guest Jul 27, 2022

333

pls help

For how many integers x do we have $\frac14 < \frac{x}{5} < \frac23$?

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Guest Jul 27, 2022

320

pls help me

What is $\frac{0.\overline{72}}{0.\overline{27}}$? Express your answer as a common fraction in lowest terms.

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Guest Jul 27, 2022

318

Pls help very urgent

A science teacher wants to obtain 6.25 quarts of a 35% acid solution by mixing a 25% acid solution what is 75% acid solution how much of each type of solution should be in the mixture

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Guest Jul 27, 2022

All Questions ⁺⁰237785 Questions

Domain

Feisty Geometry

geometry

Domain

I found an answer but it's wrong.

Algebra

Fractions

help algebra

Help

quadratic

Domain

Algebra

Right triangles

number theory

expected value

Math help for a question about finance.

) Use the following personal loan payment calculator to determine the monthly payments and the total cost of borrowing $18000 at rate of 3%

Trapezoid

Square roots

Radicals

pls help

pls help me

Pls help very urgent

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