All Questions

565

Need help with this question.

In XYZ, and X = 90° , and cos Z = 7/ 25. Find sin Z and tan Y.

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Guest Oct 25, 2020

405

halp

If H(x) is a function whose domain is [-8,8], and G(x)=H(x/2), then the domain of G(x) is an interval of what width?

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Guest Oct 25, 2020

651

If the parabola and the line intersect at only one point

If the parabola y_1 =x^2 + 2x + 7 and the line y_2 = 7x + b intersect at only one point, what is the value of b?

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Guest Oct 25, 2020

584

There are two pairs of real numbers that satisfy the equation .

There are two pairs (x,y) of real numbers that satisfy the equation x + y = 3xy = 5. Given that the solutions x are in the form x = (a \pm b sqrt(c))/d , where a, b, c, and d are positive integers and the expression is completely simplified, what is the read more ..

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Guest Oct 25, 2020

877

In triangle ABC, the measure of angle A is x degrees

In triangle ABC, the measure of angle A is x degrees, the measure of angle B is 2x degrees and the measure of angle C is 8x degrees. What is the value of x? Express your answer as a decimal to the nearest tenth.

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Guest Oct 25, 2020

430

help

The value (in degrees) of each of the interior angles of a regular n-gon is represented by x. Write an inequality that describes the minimum value of x.

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valentinaaa13 Oct 25, 2020

598

Find all positive integer values of c

Find all positive integer values of c such that the equation x^2 - 11x + c = 0 only has roots that are real and rational. Express them in decreasing order, separated by commas.

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Guest Oct 25, 2020

509

How to simplify

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Guest Oct 25, 2020

457

In each blank below a single digit is inserted such that the following six three-digit numbers

In each blank below a single digit is inserted such that the following six three-digit numbers in this order, form an arithmetic sequence:

125, 129, 1_ _, 1_ _, 1_ _, 1_ _
<read more ..

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Guest Oct 25, 2020

549

what is the range of f(x)

Given that f(x) = 1/sqrt(x), what is the range of f(x) on the interval (0,inf) ?

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Guest Oct 25, 2020

331

help!

Andrew, Belinda, Cameron and Danielle gather every day for 30 days to play tennis. Each day, the four of them split off into two teams of two to play a game and one of the teams is declared the winning team. If Andrew, Belinda, and Cameron were on the winning read more ..

Guest Oct 25, 2020

564

Please help, I don't understand.

For the following questions, determine if it's a discrete or a continuous relationship.
1. The hair on your head grows 1/2 inch per month.
2. Approximately 3.24 billion gallons of water flow over Niagara fall daily.
3. The city of Buenos Aires read more ..

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Guest Oct 25, 2020

387

Suppose f(x) is a polynomial of degree 4 or greater

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

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Guest Oct 25, 2020

566

+284

Modulo Arithmetic

Hi, could someone help me with this problem?
Given , , and , what is the remainder when is divided by 7?

Thank you so much! read more ..

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Caffeine Oct 25, 2020

975

Let a_1, a_2, a_3 be an arithmetic sequence

Let a_1, a_2, a_3 be an arithmetic sequence. If a_4/a_2 = 2, find a_5/a_3.

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Guest Oct 25, 2020

450

Consider all the points in the plane that solve the equation x^2 + 2y^2 = 16

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

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Guest Oct 25, 2020

1155

help asap! due tomorrow!!!

In the diagram. angle A is right, E is the midpoint of AB, D is the mipoint of AC, AB = 16 and AC = 12.

What is the area of AEFGD, where EF and GD are perpendicular to BC?
read more ..

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Guest Oct 25, 2020

526

What's -b+3=b

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Guest Oct 25, 2020

1071

What real value of t

What real value of t produces the smallest value of the quadratic t^2 - 8t - 36?

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Guest Oct 25, 2020

399

Please Halp!

A, B, C and D are distinct positive integers such that the product AB = 60, the product CD = 60 and A - B = C + D. What is the value of A?

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Guest Oct 25, 2020

706

+1124

Quadrants

Hi friends,
They give Cosx =2/3.....determine 1+tan^2x

I understand all of this, except the quadrant we are working in, since they give x is greater and equal to 0 deg and smaller and equal to 360 deg... Please help read more ..

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juriemagic Oct 25, 2020

782

+1124

Cone and Sphere

Hi friends,

a most ridicilous question in my opinion..
read more ..

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juriemagic Oct 25, 2020

693

+1443

Hey there! Please read this!

Hi, I wanted to take the time to thank everyone who has helped me out here. Special thanks to ElectricPavlov for answering my questions today. I hope you see this ElectricPavlov if you didn't get to see the thank you messages on my last posts. read more ..

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SmartMathMan Oct 25, 2020

656

If t is a real number

If t is a real number, what is the maximum possible value of the expression -t^2 + 18t - 4?

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Guest Oct 25, 2020

602

Rewrite the expression

Rewrite the expression 6j^2 - 6j - 12 in the form c(j + p)^2 + q, where c, p, and q are constants. What is q/p?

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Guest Oct 25, 2020

All Questions ⁺⁰237665 Questions

Need help with this question.

halp

If the parabola and the line intersect at only one point

There are two pairs of real numbers that satisfy the equation .

In triangle ABC, the measure of angle A is x degrees

help

Find all positive integer values of c

How to simplify

In each blank below a single digit is inserted such that the following six three-digit numbers

what is the range of f(x)

help!

Please help, I don't understand.

Suppose f(x) is a polynomial of degree 4 or greater

Modulo Arithmetic

Let a_1, a_2, a_3 be an arithmetic sequence

Consider all the points in the plane that solve the equation x^2 + 2y^2 = 16

help asap! due tomorrow!!!

What's -b+3=b

What real value of t

Please Halp!

Quadrants

Cone and Sphere

Hey there! Please read this!

If t is a real number

Rewrite the expression

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