All Questions

415

two numbers

here are two numbers which add up to 17. If one number is 13 more than the other, find the two numbers.

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Guest Mar 14, 2021

739

quadratic function

A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation. Using this equation, find out the maximum amount of profit the company can make, to the nearest read more ..

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Guest Mar 14, 2021

439

division

Carry out the following division:

11*x*y^2*z^3 by 55*x*y*z

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Guest Mar 14, 2021

528

solve for n

Solve for n

2(n - 9) - 1 = 1

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Guest Mar 14, 2021

424

can you help e

Three red and two blue balls are placed in a hat. A ball is chosen at random and not replaced. A second ball is chosen at random. What is the probability that both balls chosen will be red

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Guest Mar 14, 2021

357

advanced system of equations

Janice bought 30 items each priced at 30 cents, 2 dollars, or 3 dollars. If her total purchase price was $48.00, how many 30-cent items did she purchase?

Guest Mar 14, 2021

370

graph

On the graph of y = (x + 2)^2 - 10, how many points are there whose coordinates are both negative integers?

Guest Mar 14, 2021

358

piecewise function

Suppose that a and b are positive real numbers, and let

If f(-4) = -60/13 and f(4) = 3120, what is a + b?

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Guest Mar 14, 2021

416

polynomials

The degree of the polynomial is 11, and the degree of the polynomial is 11. Find all possible degrees of the polynomial p(x) + q(x).

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Guest Mar 14, 2021

334

trig help

In triangle XYZ, we have angle X = 90 and tan Y = 3/2. If YZ = 80, then what is XY?

Guest Mar 14, 2021

501

counting question

In how many ways can we form an international commission if we must choose one European country from among 6 European countries, one Asian country from among 4, one North American country from among 8, and one African country from among 7?

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Guest Mar 14, 2021

534

Help!

Let and Find

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Guest Mar 14, 2021

454

polynomials

If f(x) and g(x) are polynomials such that f(x) + g(x) = -2 + x, then what is g(x) if f(x) = x^8 - 2x^3 + 2?

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Guest Mar 14, 2021

465

polynomials

(a) Let f(x) = x^4 - 3x^2 + 2 and g(x) = 2x^5 - 6x^2 + 4x - 1. Let a be a constant. What is the largest possible degree of f(x) + a*g(x)?

(b) Let f(x) = x^4 - 3x^2 + 2 and g(x) = 2x^5 - 6x^2 + 4x - 1. Let b be a read more ..

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Guest Mar 14, 2021

578

perimeter

In the diagram, what is the perimeter of triangle PQR?

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Guest Mar 14, 2021

+12

532

+428

There is a unique positive integer N such that f(N)>f(n) for all positive integers, n not equal to N. What is the sum of the digits of N?

There is a unique positive integer N such that f(N)>f(n) for all positive integers, n not equal to N. What is the sum of the digits of N?

need help pls

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Dennis070sinneD Mar 14, 2021

-1

477

Help appreciated!

Let . What is the value of ?

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Guest Mar 14, 2021

-1

356

Help thanks!

If find when equals the simplified fraction, where are integers.

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Guest Mar 14, 2021

-1

517

hlp please

https://vle.mathswatch.co.uk/images/questions/question8037.png

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Guest Mar 14, 2021

-1

655

How many positive integers will make the expression have an integral value?

Dennis070sinneD ●

Guest Mar 14, 2021

504

help !!!

ok, so my friend gave me the digits to his password he has his program create and told me to solve it and he also gave me hints. I want to know if there is a program I can use to solve this. The password is .6'emvf5pkknad' but scrambled and it contains read more ..

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coolswagman Mar 14, 2021

352

Frank is the hotel manager who is preparing for a round table conference

Frank is the hotel manager who is preparing for a round table conference (literally) attended by 30 participants. If there are 7 types of seats to be used (Each seat type is 30 seats or more). How many ways to prepare for the roundtable conference? read more ..

Guest Mar 14, 2021

533

help with function

FInd all f:R→R in such a way that for each x,y the real number satisfying

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Guest Mar 14, 2021

531

solution

a solution contains 3% salt. How much water should be added to 60 ounces of this solution to make a 1.8% solution?

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Guest Mar 14, 2021

363

algebra

Flying against the wind, an alrplane travels 4700 kilometers in 5 hours. Flying with the wind, the same plane travels 9520 kilometers in 7 hours. What is the rate of the plane in still air and what is the rate of the wind?

Guest Mar 14, 2021

All Questions ⁺⁰237808 Questions

two numbers

quadratic function

division

solve for n

can you help e

advanced system of equations

graph

piecewise function

polynomials

trig help

counting question

Help!

polynomials

polynomials

perimeter

There is a unique positive integer N such that f(N)>f(n) for all positive integers, n not equal to N. What is the sum of the digits of N?

Help appreciated!

Help thanks!

hlp please

How many positive integers will make the expression have an integral value?

help !!!

Frank is the hotel manager who is preparing for a round table conference

help with function

solution

algebra

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