All Questions

556

geometry

help please somone find the value of x and y

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Guest Oct 12, 2020

571

quadratic

Find all positive integer values of c such that the equation x^2 - 5x + c only has roots that are real and rational. Express them in decreasing order, separated by commas.

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Guest Oct 12, 2020

577

help with polynomial

Suppose f(x) is a polynomial of degree 4 or greater such that f(1)=2, f(2)=3, and f(3)=-1. Find the remainder when f(x) is divided by (x-1)(x-2)(x-3).

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Guest Oct 12, 2020

498

algebra

As of early 2014, the world's population was about 7.2 billion people. The population of the United States was 317 million.
The area of New York City is 322 square miles. If in early 2014 every person in the world moved into New York City, how many square read more ..

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Guest Oct 12, 2020

507

quadratic

The quadratic 4x^2 + 6x - 3 can be written in the form a(x + b)^2 + c, where a, b, and c are constants. What is a + b + c?

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Guest Oct 12, 2020

615

+421

Please I need hints

Let TU and VW be chords of a circle, which intersect at S, as shown. If ST=3,TU=15 , and VW=3, then find SW .

I tried using power of a point and I got 18 but it was not correct fsr... .-.
read more ..

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Pangolin14 Oct 12, 2020

618

If m is a real number and 2x^2+mx+6 has two distinct real roots

If m is a real number and 2x^2+mx+6 has two distinct real roots, then what are the possible values of m? Express your answer in interval notation. Thanks

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Guest Oct 12, 2020

641

Geometry question thanks in advance!

Hello I was looking at an answer to a geometry question and am not sure how step 2 was done. thanks for any help!
https://web2.0calc.com/questions/help-asap-plz_12

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Guest Oct 12, 2020

595

please help!

Find the missing angles

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Guest Oct 12, 2020

884

+16

GEOMETRY HELP!! thank you

In square ABCD, P is the midpoint of , and Q is the midpoint of . Find

Thank you!

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Age26 Oct 12, 2020

606

+16

Algebra Help! Im stuck

Hi, using vietas formula, ive gotten -4 and -8, but its wrong, can someone help?

Let r and s be the roots of 3x^2+4x+12=0. Find r^2+s^2.
read more ..

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Age26 Oct 12, 2020

543

Need help for 2 questions

1. The positive difference between two consecutive even perfect squares is 268. Compute the larger of the two squares.

2. If x+2y=4 and xy=-8, what is the value of x^2+4y^2?

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Guest Oct 12, 2020

1081

+94

Calc Problem–Please Explain!

If f(x) = sin x + 2x + 1 and g is the inverse function of f, what is the value of g'(1) ?

Thank you in advance! Please explain your answer.

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RandomUser Oct 12, 2020

471

number theory

A palindrome is a positive integer which reads the same forward and backwards, like 12321 or 8448. How many 4-digit palindromes are divisible by 7?

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Guest Oct 12, 2020

850

need help understanding this a bit better | mean and statistics

In a music collection, there are 100 songs with an average length of exactly 180 seconds. One song is added and the new average length is exactly 181 seconds. How long, in seconds, was the added song?

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Guest Oct 12, 2020

-1

582

+16

Algebra help, Im stuck

Let and be the roots of Find

thank you!

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Age26 Oct 12, 2020

489

please help

George has a quadratic of the form x^2 + bx + 1/3, where b is a specific negative number. Using his knowledge of how to complete the square, George is able to rewrite this quadratic in the form (x + m)^2 + 1/10. What is b?

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Guest Oct 12, 2020

553

word problem

A number is doubled and then the product is increased by 6. This sum is then multiplied by -3, and the result is 54 greater than three times the opposite of the number. What is the number?

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Guest Oct 12, 2020

432

maximum value

Consider all the points in the plane that solve the equation x^2 + 6y^2 = 16. Find the maximum value of the product xy on this graph. (This graph is an example of an "ellipse".)

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Guest Oct 12, 2020

-1

657

+16

geometry help pls!!! ty

In square , is the midpoint of and is the midpoint of . Find .

thank you!

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Age26 Oct 12, 2020

507

What is the area of this composite shape?

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Guest Oct 12, 2020

360

plz help

I want to die

Guest Oct 12, 2020

483

quadratic question

For how many integer values of a does the equation x^2 + ax + 6a = 0 have inetger solutions for x?

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Guest Oct 12, 2020

861

Guidance

Let ABCDEFGH be a rectangular prism, where EF = 4, EH = 5, and EA = 6. Find the volume of pyramid CFAH.

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Guest Oct 12, 2020

568

help with geometry

What is angle 6?

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Guest Oct 12, 2020

All Questions ⁺⁰237722 Questions

geometry

quadratic

help with polynomial

algebra

quadratic

Please I need hints

If m is a real number and 2x^2+mx+6 has two distinct real roots

Geometry question thanks in advance!

please help!

GEOMETRY HELP!! thank you

Algebra Help! Im stuck

Need help for 2 questions

Calc Problem–Please Explain!

number theory

need help understanding this a bit better | mean and statistics

Algebra help, Im stuck

please help

word problem

maximum value

geometry help pls!!! ty

What is the area of this composite shape?

plz help

quadratic question

Guidance

help with geometry

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