All Questions

170

Quadratic

Eric and Charles each think of a quadratic polynomial. To their surprise, both quadratics start x^2 + 6x + .... The ratio of the discriminant , b^2 - 4ac , of Eric's polynomial to the discriminant of Charles's polynomial is equal to the read more ..

Guest Jan 27, 2022

212

sequences

The first and ninth terms of an arithmetic sequence are 2/3 and 4/9, respectively. What is the fifth term?

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Guest Jan 27, 2022

Jan 26, 2022

295

Algebra

Find all real numbers a that satisfy 1/(a^3 + 7) - 7 = -a^3/(a^3 + 7) + 6.

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Guest Jan 26, 2022

263

Modular arithmetic

What is the smallest positive integer n such that 3n = 1356 (mod 27).

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Guest Jan 26, 2022

263

System

If a + b = 8, b + c = 3, and a + c = , what is the value of the product abc?

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Guest Jan 26, 2022

151

Linear functions

You have linear functions p(x) and q(x). You know p(2) = 3, and p(q(x)) = 4x + 18 for all x. Find q(1).

Guest Jan 26, 2022

206

Function

Let
f(x) = 2x + 9 if x < -2
f(x) = 5 - 2x if x >= -2
read more ..

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Guest Jan 26, 2022

271

Please help.

Julia works in a deli. She slices meats and cheeses from large blocks. She was asked to prepare an order that was faxed in. The order called for meat to cut into smaller bags of 1/2 of a pound and the cheese to be prepared in 1/4 of a pound bags. The order read more ..

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Guest Jan 26, 2022

265

Math

Miss Garcia will teach her students to make friendship bracelets tomorrow. She wants to organize all the materials today. Each student will need 4 pieces of thread. If each piece is 1 2/3 feet long, how many feet of thread will each student get?
<read more ..

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Guest Jan 26, 2022

162

Function

The function f satisfies f(\sqrt(x + 1) + 2)= 1/x for all x >= -1, x not equal to 0. Find f(2).

Guest Jan 26, 2022

214

Proportion

In physics, Ohm's law says that current through a wire, I, is directly proportional to voltage, V, and inversely proportional to resistance, R
I = V/R.
It's also true that resistance is directly proportional to the length of the read more ..

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Guest Jan 26, 2022

307

+1622

Graphing TRANSFORMATIONS HELP

I dont know what dilated means but here is the question:

Triangle with vertices at , and is translated up 3 units and then dilated with respect to the origin by a factor of 2. What are the new coordinates of point ? Express read more ..

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proyaop Jan 26, 2022

-1

208

Geometry

In triangle ABC, angle B = 90 degrees and angle C = 30 degrees. Point D is on line segment BC such that angle ADB = degrees, and DC=10. What is AB?

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Guest Jan 26, 2022

254

Vector question

Let a and b be two vectors such that neither of a-b and a+b is the zero vector.

(a) Prove that if the vectors a and b are of equal length, then a-b and a+b are perpendicular.
read more ..

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Guest Jan 26, 2022

264

Need help

Tom and Peter each picked some strawberries at a farm. Tom gave 1/3 of the strawberries he picked to Peter. Peter then gathered all the strawberries he had and gave 1/4 of them to Tom. Finally, Tom totalled up all his strawberries and gave 1/5 of them back read more ..

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Guest Jan 26, 2022

248

plz help

Let p(x) be a monic polynomial of degree 6 such that p(1) = 1, p(2) = 2, p(3) = 3, p(4) = 4, p(5) = 25, and p(6) = 36. Find p(7).

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Guest Jan 26, 2022

495

the earth's orbit is about 9.4 x 10^8. there are about 8760 hours in a year. how far does the earth travel in one hour to 3 s.f

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Guest Jan 26, 2022

207

helppppp

Let x be the positive number such that 2x2=4x+9
If x can be written in simplified form as (a+(sqrt b))/c such that a, b and c are positive integers, what is a+b+c?

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Guest Jan 26, 2022

201

Polynomials

kx^2 - 70x + 2k = 0

Find the maximum integral value of k for which the above quadratic equation has two distinct real roots.

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Guest Jan 26, 2022

278

The perimeter of a rectangular field is 332 yards if the width of the field is 73 yards what is the length

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Guest Jan 26, 2022

258

Polynomial

Let f(x)=3x^4-7x^3-2x^2-bx+1. For what value of b is f(1)=1

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Guest Jan 26, 2022

152

Polynomials

Consider the polynomials f(x)=4x^3+3x^2+2x+1 and g(x)=3-4x+5x^2-8x^3. Find c such that the polynomial f(x)+cg(x) has degree 2.

Guest Jan 26, 2022

241

Math

For how many positive integers n > 1 is it true that 2^{24}*2^{36} is a perfect nth power?

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Guest Jan 26, 2022

293

What to do on a first paycheck.

Hello, I was wondering if anyone can help me figure out what to do when I get my first paycheck.

I am 15 and I get paid minimum wage(U.S). I don't know if I am supposed to take out taxes or if the goverment takes them out for me. read more ..

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Guest Jan 26, 2022

All Questions ⁺⁰230349 Questions

Quadratic

sequences

Algebra

Modular arithmetic

System

Linear functions

Function

Please help.

Math

Function

Proportion

Graphing TRANSFORMATIONS HELP

Geometry

Vector question

Need help

plz help

the earth's orbit is about 9.4 x 10^8. there are about 8760 hours in a year. how far does the earth travel in one hour to 3 s.f

helppppp

Polynomials

The perimeter of a rectangular field is 332 yards if the width of the field is 73 yards what is the length

Polynomial

Polynomials

Math

What to do on a first paycheck.

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