All Questions ⁺⁰238163 Questions

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264

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geometry

Two sides of a parallelogram are 30 and 20. One diagonal has a length of . What is the length of the other diagonal?

Guest Jan 22, 2022

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325

0

+4

Restaurant Table Problem. I have tried it on my own but am unsure of my answer. Would appreciate if someone could confirm.

An architect is designing the dining area of a new restaurant. The owner was to use 3 1/2 ft by 3 1/2 ft square tables to accomodate groups of 4 guests and join two or three tables to accomdate bigger groups. The architect must adhere to the following requirements: read more ..

bse16084 Jan 22, 2022

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437

1

Algebra

Find all the values of a for which the equations

x^2 + ax + 1 = 0
x^2 - x - a = 2 read more ..

Guest Jan 22, 2022

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430

0

+678

We consider the set of functions given by

We consider the set of functions given by

the equation with real parameter a. read more ..

Straight Jan 22, 2022

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457

2

+31

Beautiful intricate math problem

Hello! Here is a really fun problem I came up with.

You are given a perfect square
read more ..

ibhar Jan 22, 2022

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310

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Polynomial Functions

1. (a) Given the following equation, X^4-6x^3-2x+7 use synthetic division to test the following 3 pts and show if they are a root or not. Must show synthetic division for all 3 of the following test pts. Test these 3 possible root pts also called possible read more ..

Guest Jan 22, 2022

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340

1

word problem

A father is 9 times as old as his son. In three years, the father will be times as old as his son.
How old is the son?

Guest Jan 22, 2022

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337

1

quadratic

The quadratic x^2 + 5x + c = 0 has roots in the form of $x = \frac{-5 \pm \sqrt{17}}{2}$. What is the value of ?

Guest Jan 22, 2022

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347

2

Counting problem

How many ways can you arrange 2 boys and 3 girls in a line, if the 2 boys must stand next to each other?

Guest Jan 22, 2022

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330

1

Algebra

Find constants a and b such that (2x + 17)/(x^2 - x - 2) = a/(x - 2) + b/(x + 1) for all x such that x≠-1 and x≠2.

Guest Jan 22, 2022

0

414

2

+12

help please

A kite is flying at a vertical height of 65 meters. It's string is attached to the ground at a 31 degree angle with the ground. How long is the string? Round to the nearest WHOLE NUMBER. (hint: draw a picture and find the hypotenuse)

meeeeeee Jan 22, 2022

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275

0

Polynomials

Let f(x) = x^14 - 7x^9 - 3x^2 + 2 and g(x) = 2x^14 + 3x^10 - 6x^8 + 2x - 1. Let b be a constant. What is the smallest possible degree of the polynomial f(x) + b*g(x)?

If a is the constant the the largest possible read more ..

Guest Jan 22, 2022

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332

1

Coordinates

Let C be the circle with equation x^2+2y-9=-y^2+18x+9+12x+22. If (a,b) is the center of C and r is its radius, what is the value of a+b+r?

Guest Jan 22, 2022

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389

1

Polynomials

Consider the polynomial f(x) = 1 - 12x + 3x^2 - 4x^3 + 5x^4 and g(x) = 3 - 2x - 6x^3 + 19x^4. Find c such that the polynomial f(x) + cg(x) has degree 3.

Guest Jan 22, 2022

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292

0

Algebra

Find all pairs (x,y) of real numbers such that x + y = 10 and x^2 + y^2 = 56 + 3xy. For example, to enter the solutions (2,4) and (-3,9), you would enter "(2,4),(-3,9)" (without the quotation marks).

Guest Jan 22, 2022

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425

1

Answer in old link

https://web2.0calc.com/questions/teachers-can-explain-how-to-do-this-thanks

Guest Jan 22, 2022

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413

2

Algebra question

Calculate sqrt(60x)*sqrt(12x)*sqrt(63x)*sqrt(42x). Express your answer in simplest radical form in terms of x. Note: When entering a square root with more than one character, you must use parentheses or brackets. For example, you should enter sqrt(14) as read more ..

Guest Jan 22, 2022

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267

0

Trig

Let a, b, and t be real numbers such that
cos a + sin b = 3t+2
sin a + cos b = 4t + 6
Compute tan a + tan b. read more ..

Guest Jan 22, 2022

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280

0

Quadratics

Let p(x) be a monic, quartic polynomial such that p(1) = 3, p(3) = 11, and p(5) = 29. Find p(-2) + 7p(6).

Guest Jan 22, 2022

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430

2

Counting question

How many ways are there to put 4 distinguishable balls into indistinguishable boxes?

Guest Jan 22, 2022

Jan 21, 2022

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394

2

please help

What fraction with a denominator of 12 is equivalent to 1/4

Guest Jan 21, 2022

-1

402

3

Algebra

Let a and b be the solutions to 5x^2 - 11x + 4 = 0. Find 1/(a + 1) + 1/(b + 1).

Guest Jan 21, 2022

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400

1

Binomial Theorem

If m and n are odd integers, how many terms in the expansion of are odd?

Guest Jan 21, 2022

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