All Questions ⁺⁰238211 Questions

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Similar Triangles

In the figure shown, segment AB is parallel to segment YZ. If AZ = 42 units, BQ = 12 units, and QY = 24 units, what is the length of segment QZ?

read more ..

shreyas1 Oct 7, 2018

+1

881

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+818

Any help??

An 8 by 8 checkerboard has alternating black and white squares. How many distinct squares, with sides on the grid lines of the checkerboard (horizontal and vertical) and containing at least 5 black squares, can be drawn on the checkerboard? read more ..

mathtoo Oct 7, 2018

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926

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I need help with this math problem, thank you :)

What is the sum of 6 x 10^3 and 3 x 10^2?

walylu Oct 7, 2018

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1595

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+4

Limit at Negative Infinity of a Quotient with Radicals

Okay so I am learning the following type of limits right now... Just Dandy. So easy, I know exactly how to solve. But then something horrible happens. A devil of a twist in such a joy of a problem.
When ever the limit is to read more ..

AGoodUsername Oct 7, 2018

+4

1252

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+394

What is the units digit of 1!+3!+5!+7!+9!+11!

What is the units digit of 1!+3!+5!+7!+9!+11!?

hellospeedmind Oct 7, 2018

Oct 6, 2018

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3023

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is a square. How many squares in the same plane have two or more vertices in the set ?

is a square. How many squares in the same plane have two or more vertices in the set ?

Guest Oct 6, 2018

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506

1

How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?

How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number -17 appears?

Guest Oct 6, 2018

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625

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Terminating Reciprocals

For how many integer values between 1 and 1,000 does the decimal representation of their reciprocals terminate?
Examples: 1/2 =0.5, 1/25 =0.04, 1/256 =0.00390625....etc.
Thanks for help.

Guest Oct 6, 2018

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976

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+189

help

Suppose that we have a right triangle ABC with the right angle at B such that AC = and AB = 5. A circle is drawn with its center on AB such that the circle is tangent to AC and BC. If P is the point where the circle and side AC meet, then what read more ..

Mathgenius Oct 6, 2018

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1385

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Geometry Question

In the triangle shown, what is the least possible value of for to be the largest angle of the triangle, it must be that . What is the least possible value of , expressed as a common fraction?
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Guest Oct 6, 2018

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1880

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+55

Need some help with chemistry equations

If I have 5 moles of P4O6 (approx 1099.45 grams), what is the weight (in grams) of phosphorus in this compound? Please explain because I'm very confused.

Cent0rea88 Oct 6, 2018

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662

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alg2

Guest Oct 6, 2018

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2336

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+108

last question

How many different rational numbers between 1/1000 and 1000 can be written either as a power of 2 or as a power of 3, where the exponent is a (possibly negative) integer?

I got 31; is this correct?

mathbum Oct 6, 2018

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819

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Pls help

Find the largest prime number that divides the quantity

Guest Oct 6, 2018

+1

744

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+693

simplify

critical Oct 6, 2018

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1575

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+189

Help

Let triangle ABC be a right triangle such that B is a right angle. A circle with diameter of BC meets side AC at D. If the area of ABC is 150 and AC = 25, then what is BD?

Mathgenius Oct 6, 2018

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