All Questions

430

+11

Help!

Consider the line parametrized by $\begin{align*} x&= 2t + 1,\\ y& = -3t +2. \end{align*}$

Find a vector $\begin{pmatrix}a\\b\end{pmatrix}$ that's parallel to this line and satisfies $a+b = 3$.

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FearlessIsland3 Jul 27, 2020

-1

590

+54

Sorry im kinda dumb

Heisenberg's Uncertainty Principle says that the product of the error in the measurement of a particle's momentum and the error in the measurement of a particle's position must be at least Planck's constant divided by . Suppose the error in the read more ..

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Sub2JessieGamez Jul 27, 2020

496

+20

Geometry

A 6 foot tall woman is standing 21 ft from a statue. She must look up at an angle of 45 degrees to see the top of the statue. How tall is the statue?

Im not understanding these word problems, please help.

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Maari Jul 27, 2020

431

help with trig

How to find the length AB?

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Guest Jul 27, 2020

-1

564

+54

A problem

Four people can mow a lawn in 6 hours. How many more people will be needed to mow the lawn in 4 hours, assuming each person mows at the same rate?

thanks!! read more ..

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Sub2JessieGamez Jul 27, 2020

-1

434

+54

Can anyone help?

https://web2.0calc.com/questions/algebra-question_37

thanks!

Sub2JessieGamez Jul 27, 2020

400

line question

Find the equation of the line below.

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Guest Jul 27, 2020

351

help!

In the diagram below angle PQR = angle PRQ = angle STR = TSR, RQ = 8, and SQ = 2. Find PQ.

Here is the link for the diagram:
read more ..

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Guest Jul 27, 2020

496

+20

Geometry

I need help with this question, I'm not understanding it.

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Maari Jul 27, 2020

-1

430

+981

:P Please help

https://web2.0calc.com/questions/if-you-can-solve-this-i-will-give-you-a-million-dollars :P Help me please

qwertyzz Jul 27, 2020

456

+65

PLZ HELP ASAP!!!!!

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

BTW the answer is not 40

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nicthemathwiz Jul 27, 2020

428

need geometry help

In the parallelogram ABCD, it is given that 3BE = 2DC and area of △DQC = 36 units^2.
Find the area of triangle △BQE.

read more ..

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Guest Jul 27, 2020

344

help needed

Marvin the fly starts at $(0,0).$ Each step, Marvin moves one unit right or one unit up. He is trying to get to the point $(5,7)$. However, at $(4,3)$ there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach $(5,7)$? read more ..

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Guest Jul 27, 2020

418

help with right triangle

Please explain answer

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Guest Jul 27, 2020

330

Help

A circle passes through (-1,6) and has a center at (2,3). The equation of the circle can be written as x^2 + y^2 + jx + ky + l = 0. What is j*k*l?

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Guest Jul 27, 2020

602

+981

If you can solve this I will give you a million dollars

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qwertyzz Jul 27, 2020

446

Help me please

Bruce rents a car which will cost him $85 plus $0.48 per km he drives. Let C represent the total cost and let d represent the number of km driven. Write the equation of the line that represent the situation.

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Guest Jul 27, 2020

424

please help!

Given that B = arcsin(24/25), C = arcsin(12/13), and a = 17, find the area of triangle ABC.

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Guest Jul 27, 2020

626

+101

Here is a question and answer :D :) :DDDDD

The equation $x^2+14x=33$ has two solutions. The positive solution has the form $\sqrt{a}-b$ for positive natural numbers $a$ and $b$. What is $a+b$?
Your Answer: 89
Solution: Completing the square, we add $(14/2)^2=49$ to both sides of read more ..

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NoUReverse Jul 27, 2020

1023

+256

Please Help Soon! Thank You! :P

The diagram shows a right triangle and three squares. The area of the largest square is 55 units^2.
Which could be the areas of the smaller squares? (Sorry I couldn't get the image)

Choose all answers that apply: read more ..

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MathWizPro Jul 27, 2020

479

+83

Super difficult problem

Let be a real number for which there exists a unique value of x^2 + 2bx + (a-b) = 0 such that the quadratic equation has one real solution. Find a .

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Swim2433 Jul 27, 2020

540

+101

Please I really need help pweeese plz plz plz plz plz :D

For specific positive numbers m and n, the quadratics 16x^2+36x+56 and (mx+n)^2 differ only in their constant term. What is mn?

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NoUReverse Jul 27, 2020

343

help with geometry

Find the length XY.

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Guest Jul 27, 2020

473

geometry

Find angle CBD.

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Guest Jul 27, 2020

All Questions ⁺⁰231244 Questions

Help!

Sorry im kinda dumb

Geometry

help with trig

A problem

Can anyone help?

line question

help!

Geometry

:P Please help

PLZ HELP ASAP!!!!!

need geometry help

help needed

help with right triangle

Help

If you can solve this I will give you a million dollars

Help me please

please help!

Here is a question and answer :D :) :DDDDD

Please Help Soon! Thank You! :P

Super difficult problem

Please I really need help pweeese plz plz plz plz plz :D

help with geometry

geometry

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