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1225

Help me ples

Below is a magic square, meaning that the sum of the numbers in each row, in each column, and in each of the main diagonals are equal. What is the value of ?

read more ..

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Guest Nov 29, 2020

557

quadratic

For specific positive numbers m and n, the quadratics 16x^2 + 44x + 56 and differ only in their constant term. What is mn?

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Guest Nov 29, 2020

584

+133

Please help!

Prove the trigonometric identity. secx sinx/ tanx+cosx=sin^2x

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Spring Nov 29, 2020

631

Find the constant a such that (x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28

Find the constant a such that (x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28

Thank you!

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Guest Nov 29, 2020

1101

counting

A teacher wants to arrange 3 copies of Introduction to Geometry and 4 copies of Introduction to Number Theory and 2 copies of Introduction to Algebra on a bookshelf. In how many ways can he do that?

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Guest Nov 29, 2020

647

Find g(x), with terms in order of decreasing degree, if we have that 8x^4-7x^2+8x-7+g(x)=x + 1

Find g(x), with terms in order of decreasing degree, if we have that 8x^4-7x^2+8x-7+g(x)=x + 1

thx

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Guest Nov 29, 2020

386

Help pls

The slope of a line is and its -intercept is What is the -intercept point of the line? Express your answer as an ordered pair.

Pls help, thanks!

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Guest Nov 29, 2020

561

help me its a linear equation

Solve for :

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Guest Nov 29, 2020

536

help me

Solve for : . Express your answer as a common fraction in simplest form.

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Guest Nov 29, 2020

571

help

Which of the following, when rounded to the nearest hundredth, does not round to 65.14?
A) 65.141
B) 65.138
C) 65.1339999
D) 65.1401 <#> E) 65.14444 <#>

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Guest Nov 29, 2020

515

counting

Three schools have a chess tournament. Four players come from each school. Each player plays two games against each player from the other schools, and plays one game against each other player from his or her own school. How many games of chess are played? read more ..

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Guest Nov 29, 2020

547

How many three-digit whole numbers

How many three-digit whole numbers have no 7's and no 9's as digits, and are even?

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Guest Nov 29, 2020

496

trig

In the diagram below, we know tan theta = 1/2. Find the area of the triangle.

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Guest Nov 29, 2020

775

+27

Identify points , lines , and rays -Quiz , level D ?////help urgent ?????

what is another name for line QR

<—>read more ..

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Afton Nov 29, 2020

1121

+27

help know?????

Booker owns 85 video games . He has 3 shevles to put the games on. Each shelf can hold 40 video games.

How many video games deos he have room for? read more ..

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Afton Nov 29, 2020

731

Andrew knows that exactly two of the equations and

Andrew knows that exactly two of the equations and
are true. What is the value of X

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Guest Nov 29, 2020

443

Help

Solve for : .

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Guest Nov 29, 2020

579

Solve for N I Need help :(

Solve for n: n√n= 4√2.

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Guest Nov 29, 2020

554

I NEED HELP PLZ

Solve for n: n√n=2√4. Justify your work with a written explanation.

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Guest Nov 29, 2020

748

In triangle GHI

In triangle GHI, we have GH = HI = 25 and GI = 40.

(a) What is sin GIH?
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Guest Nov 29, 2020

514

acute angle

Let A be an acute angle such that sin 4A = sin 5A. What is the smallest possible measure of A in degrees?

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Guest Nov 29, 2020

511

help with triangular numbers

For all positive integers , the th triangular number is defined as . What is the greatest possible value of the greatest common divisor of and ?

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Guest Nov 29, 2020

510

Chill this one for you,jk

On a 5 by 5 grid of dots, one square is shown in the diagram. Including this square, how many different sizes of squares can be formed using four dots of this array as vertices.

Guest Nov 29, 2020

490

help with graph

The equation y = (x + A)/(Bx + C), where A,B, and C are integers, is shown below. What is A + B + C?

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Guest Nov 29, 2020

All Questions ⁺⁰238211 Questions

Help me ples

quadratic

Please help!

Find the constant a such that (x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28

counting

Find g(x), with terms in order of decreasing degree, if we have that 8x^4-7x^2+8x-7+g(x)=x + 1

Help pls

help me its a linear equation

help me

help

counting

How many three-digit whole numbers

trig

Identify points , lines , and rays -Quiz , level D ?////help urgent ?????

help know?????

Andrew knows that exactly two of the equations and

Help

Solve for N I Need help :(

I NEED HELP PLZ

In triangle GHI

acute angle

help with triangular numbers

Chill this one for you,jk

help with graph

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