All Questions

507

problems that are mind exercises

1.
For what values of j does the equation (2x+7)(x-5) = -43 + jx have exactly one real solution? If you find more than one, then list the values separated by commas.

2. read more ..

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Guest Jan 21, 2019

Jan 20, 2019

1097

help

What is the area, in square units, of triangle ABC in the figure shown if points A, B, C and D are coplanar, angle D is a right angle, AC = 13, AB = 15 and DC = 5?

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Guest Jan 20, 2019

756

+422

I don't know is you need the picture of the rectangle to solve this problem...

A rectangle with sides of integer length is divided into a square region and a shaded rectangular region as shown. If the area of the shaded region is 8, the area of the entire figure is at most...

Answer Choices
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APatel Jan 20, 2019

654

+422

Sorry for all these questions...

1.
I put $100 in a savings account. At the end of each year, I earned 10% interest on the balance of my account at that point. With no deposits or withdrawals, after 5 years I had $__. (Round to the nearest dollar.)

read more ..

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APatel Jan 20, 2019

914

+537

Number Theory Riddle

Sherlock Holmes and Dr. Watson recover a suitcase with a three-digit combination lock from a mathematician turned criminal. Embedded in the suitcase above the lock is the cryptic message "AT SEA BASE. SEAS EBB SEA: BASS. "
Dr. Watson comments, "This read more ..

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MathCuber Jan 20, 2019

1644

+88

A professor is assigning grades to a class of 10 students. As a very kind professor, he only gives out A's, B's, and C's. How many ways can

A professor is assigning grades to a class of 10 students. As a very kind professor, he only gives out A's, B's, and C's. How many ways can the professor assign grades to all his students?

THANKS FOR ALL HELP

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alskdj Jan 20, 2019

2193

Help!

1) If $$z = \frac{ \left\{ \sqrt{3} \right\}^2 - 2 \left\{ \sqrt{2} \right\}^2 }{ \left\{ \sqrt{3} \right\} - 2 \left\{ \sqrt{2} \right\} }$$ find $\lfloor z \rfloor$.
2) Find all $x$ for which $$\left| x - \left| x-1 \right| \right| = \lfloor read more ..

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Guest Jan 20, 2019

766

+422

Answer Choices- $3, $6, $9, $18

The cost of five apples is the same as the cost of six pears. If one apple is 15 cents more than one pear, then what is the total cost of 5 apples and 6 pears?

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APatel Jan 20, 2019

723

+422

Answer Choices- 3, 4, 5, 6

The prime factorization of a whole number less than 100 is the product of at most __ primes ( not necessarily different ).

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APatel Jan 20, 2019

795

+845

integration

i intergrated the equation to find
2x^2-3x+c
what is the formula for c?? read more ..

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YEEEEEET Jan 20, 2019

726

+422

Answer Choices 20, 23, 26, 32

If the sum of sevenconsecutive numbers is 182, the smallest of the seen numbers is...

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APatel Jan 20, 2019

2175

HELP PLZZZZ

Find the unique four-digit integer n with these properties:
The last digit (the units digit) of is 9 .
The digits of n add up to 27 .
Two digits of n are the same.
is n a perfect square. read more ..

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Guest Jan 20, 2019

3732

+88

Henry has 8 identical stickers and 4 sheets of different paper. All stickers are put on paper. How many ways are there for him to do this?

Henry's little brother has identical stickers and sheets of paper, each a different color. He puts all the stickers on the pieces of paper. How many ways are there for him to do this, if only the number of stickers on each sheet of read more ..

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alskdj Jan 20, 2019

605

Matte 1a

(-2) + (-2) `*` (-2) + (-2)

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Guest Jan 20, 2019

699

Sum of reciprocals

What is the sum of the sequence: 1/1 + 1/2 + 1/3 + 1/4 +.....+1/1,000? Thank you for help.

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Guest Jan 20, 2019

583

help

For each x in [0,1], define
Let , and for each integer . Then the number of values of x in [0,1] for which can be expressed in the form , where p is a prime and a is a positive integer. Find p+a.

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Guest Jan 20, 2019

419

Which shows all the names that apply to the figure?

Which shows all the names that apply to the figure?
parallelogram
parallelogram, rhombus, rectangle, and square
parallelogram and rhombus
parallelogram, rhombus, and rectangle

http://prntscr.com/m9saa9

Guest Jan 20, 2019

433

help

With two straight cuts, we can divide a flat pancake into four pieces:
What is the fewest number of straight cuts that will divide read more ..

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Guest Jan 20, 2019

581

math

math

https://prnt.sc/m9qvvs

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Guest Jan 20, 2019

897

+845

mean value over interval

for this question i integrated the equation and subbed in 3 which gave me 9 as an answer
but my answer should be 3 please tell me what i did wrong, many thanks read more ..

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YEEEEEET Jan 20, 2019

2877

+148

Some more geometry questions...

Find the area of a regular 12-gon inscribed in a unit circle.

Shown below is a regular octagon. Each of the four red regions has area 12. What is the area of the blue region?
read more ..

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noobieatmath Jan 20, 2019

895

+59

And Yet Another Question . . .

The five dight number 9abc2 is divisible by 11, where a, b and c are diffrent one dight whole numbers. How many combinations of dights are possible values of a,b and c?

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Dominator416 Jan 20, 2019

2259

+148

Geometry Question

A regular 12-gon with center O is inscribed in a unit circle. Let A, B, C be three consecutive vertices of the 12-gon as shown below. Let M be the intersection of AC and BO. Find AM.

https://latex.artofproblemsolving.com/6/1/4/614ebc8a82efdae874074045ee068bceec61b95a.png
read more ..

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noobieatmath Jan 20, 2019

564

Please help!

For what values of x is
Note: Be thorough and explain why all points in your answer are solutions and why all points outside your answer are not solutions.

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Guest Jan 20, 2019

All Questions ⁺⁰237665 Questions

problems that are mind exercises

help

I don't know is you need the picture of the rectangle to solve this problem...

Sorry for all these questions...

Number Theory Riddle

A professor is assigning grades to a class of 10 students. As a very kind professor, he only gives out A's, B's, and C's. How many ways can

Help!

Answer Choices- $3, $6, $9, $18

Answer Choices- 3, 4, 5, 6

integration

Answer Choices 20, 23, 26, 32

HELP PLZZZZ

Henry has 8 identical stickers and 4 sheets of different paper. All stickers are put on paper. How many ways are there for him to do this?

Matte 1a

Sum of reciprocals

help

Which shows all the names that apply to the figure?

help

math

mean value over interval

Some more geometry questions...

And Yet Another Question . . .

Geometry Question

Please help!

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