All Questions

-1

671

+980

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 105, angle ABD = 43, and angle BCD = 141. Find angle CBD, in

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 105, angle ABD = 43, and angle BCD = 141. Find angle CBD, in degrees.

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qwertyzz Jul 28, 2020

667

+185

please help!

Find all values of x such that

Please explain with your answer if you can, and say why all your values are the only values that satisfy the inequality. Thank you! read more ..

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Otterstar Jul 28, 2020

-1

403

geometry

The sides of a triangle are 3, 4, and 5. What is the distance between the incenter and circumcenter of the triangle?

Guest Jul 28, 2020

952

If $f(x)=x^3+3x^2+3x+1$, find $f(f^{-1}(2010))$.

If , find .

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Guest Jul 28, 2020

460

Please Help

I have 8 pieces of strawberry candy (all identical) and 7 pieces of rhubarb candy (all identical). Find the number of ways I can distribute this candy to 4 children.

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Guest Jul 28, 2020

673

confused

A 10 ft ladder is propped up against a building at an angle of 39°. How far up the wall does the ladder go?

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Guest Jul 28, 2020

627

HALP

An equilateral triangle is divided into 16 congruent equilateral triangles, half of which are shaded, and point P lies at a vertex as shown. If a random line passing through point P is drawn, what is the probability that the line divides the total shaded read more ..

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Guest Jul 28, 2020

537

quadratic

Find the quadratic with integer coefficients whose roots are

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Guest Jul 28, 2020

1294

Help, I'm not sure how to solve this problem!!!!

The figure below consists of four semicircles and the 16-cm diameter of the largest semicircle. What is the total number of square cm in the area of the two shaded regions? Use 3.14 as an approximation for $\pi$, and express your answer as a decimal to read more ..

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Guest Jul 28, 2020

613

please help me with this

Solve for x.

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Guest Jul 28, 2020

925

help with geometry

Circle O is centered at the point of origin with point P = (3 , 4) lying on it. The red line l : 3x + 4y - 7 = 0 intersects the circle at points A and B, as shown. What is the area of quadrilateral AOBP? read more ..

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Guest Jul 28, 2020

517

+980

Please help

https://web2.0calc.com/questions/thanks-for-an-help Please help

qwertyzz Jul 28, 2020

560

help!

If $f(x) = 2x^5 - x^4 + x^2 - 3$, and $g(x)$ is a polynomial such that the degree of $f(x) + g(x)$ is 3, then what is the degree of $g(x)$?

off-topic

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Guest Jul 28, 2020

677

+256

Please Help Soon! PLZ PLZ PLZ! Thank you!

In how many ways can you put seven marbles in different colors into four jars? Note that the jars may be empty.

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MathWizPro Jul 28, 2020

533

speed question

Train passes the first 110 miles in 3 hours, and the next 240 miles at the rate of 60 mph. What was the average speed of the train for the entire trip?

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Guest Jul 28, 2020

558

Confused

Write in the form ,where A, B, C, and D are integers with greatest common divisor of 1.

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Guest Jul 28, 2020

569

Please Help Me Ill Will Do Anything!

The value of the expression\[(2^{1004}+5^{1005})^2-(2^{1004}-5^{1005})^2\]is $k\cdot10^{1004}$ for some positive integer $k$. What is $k$?

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Guest Jul 28, 2020

680

math homework

A section of a railway has a slope of approximately 0.45. In this section, a vertical change of 1 unit corresponds to a horizontal change of what length? Round your answer to the nearest hundredth. x = 1.50 units

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Guest Jul 28, 2020

744

how to count

I don't know where to start.

In how many different ways can you make exactly $0.75 using only nickels, dimes, and quarters, if you must have at least one of each coin?

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Guest Jul 28, 2020

603

algebra

If then find

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Guest Jul 28, 2020

472

HELP ASAPP - SERIOUS

If find .

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Guest Jul 28, 2020

517

please help

Solve this system. Show all your steps.

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Guest Jul 28, 2020

496

please help with this

like literally pls i need help pls

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Guest Jul 28, 2020

581

+166

Help please!

Let A = (6,2), and let B be the reflection of A over the line y = x/2 + 5. Find the coordinates of B.
This question is due very soon so it would be appreciated if you could help!

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viola Jul 28, 2020

626

+212

please help

A box has a total surface area of 100. The length of the box is equal to twice its width, as well as equal to 3 less than its height. What is the height of the box?

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Filliqq Jul 28, 2020

All Questions ⁺⁰238122 Questions

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 105, angle ABD = 43, and angle BCD = 141. Find angle CBD, in

please help!

geometry

If $f(x)=x^3+3x^2+3x+1$, find $f(f^{-1}(2010))$.

Please Help

confused

HALP

quadratic

Help, I'm not sure how to solve this problem!!!!

please help me with this

help with geometry

Please help

help!

Please Help Soon! PLZ PLZ PLZ! Thank you!

speed question

Confused

Please Help Me Ill Will Do Anything!

math homework

how to count

algebra

HELP ASAPP - SERIOUS

please help

please help with this

Help please!

please help

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