All Questions

+1

754

1

What are those!! 1*1

What are those!!
1*1

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Guest Sep 1, 2015

+7

1071

2

+102

A grid with 3 rows and 52 columms is tiled with 78 identical 2x1 dominoes. How many ways can this be done such that exactly two of the dominoes are vertical?

A grid with 3 rows and 52 columms is tiled with 78 identical 2x1 dominoes. How many ways can this be done such that exactly two of the dominoes are vertical?

Details and assumptions
the dominies will cover the entire board. read more ..

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Driti1 Sep 1, 2015

+6

671

1

challenge question

2(|4*-5-7|)=?

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Guest Sep 1, 2015

+6

666

0

challenge question

2(|4*-5-7|)

Guest Sep 1, 2015

+6

728

1

Help me please

how do i solve for y when the equation is -xy+8=x

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Guest Sep 1, 2015

+9

885

2

how to rewrite sin(x)/sin(y) without using any other trig functions?

how to rewrite sin(x)/sin(y) without using any other trig functions?
how to rewrite sin(x)/sin^2(x) without using any other trig functions?

Melody ●●

Guest Aug 31, 2015

+2

668

0

calculate it

-(1/16)cos^6(pi/2)sin^10(pi/2)+(10/16)(-1/14)(cos^6(pi/2)sin^8(pi/2))-8/(14*12)(cos^6(pi/2)sin^6(pi/2))

Guest Aug 31, 2015

+8

1111

0

+961

Nina found the equivalent expression of 4i^4+3i^3+2i^2+i+1.

Nina found the equivalent expression of 4i^4+3i^3+2i^2+i+1.
Which of the following properties did Nina NOT need to use to simplify the expression?
^= the power of that number

shaniab29544 Aug 31, 2015

+6

704

1

How can I make a prediction

What is the cost of 18 pounds of butterscotch candies

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Guest Aug 31, 2015

+6

623

0

Help with math homework

Name all sets of numbers to which the real number belongs. √35

Guest Aug 31, 2015

+6

698

1

would like answer

y = 0.5x + 79

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Guest Aug 31, 2015

+1

871

1

What is the compound interest on a sum of £2500 at a rate of 6% per annum for 3 years?

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Guest Aug 31, 2015

+1

629

1

help????

x + 7/4=17/8

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Guest Aug 31, 2015

0

850

1

what is LCM

24 12

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Guest Aug 31, 2015

0

867

0

+472

Can I get help

If I post my home work will u check my work if I post its math. If u commernt then I'll post theme thanks !!

HaleyWoodall17 Aug 31, 2015

0

716

1

Why is there only one for the length of a side

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Guest Aug 31, 2015

+7

918

1

(9.2x10^6)/(2x10^-5) can u cancel the 10^s to make (9.2/2)x10^11

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Guest Aug 31, 2015

+4

1275

1

A 2 1/2-pound bag of white grapes costs $4.70. A 3 1/4-pound bag of red grapes costs $5.98. Which bag of grapes is a better deal? explain how you determined

A 2 1/2-pound bag of white grapes costs $4.70. A 3 1/4-pound bag of red grapes costs $5.98. Which bag of grapes is a better deal? explain how you determined your answer.

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Guest Aug 31, 2015

+1

665

2

help

2x+4=-x-2 ?

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Guest Aug 31, 2015

0

834

1

LCM of 2,10, and 25

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Guest Aug 31, 2015

0

637

1

MAJOR HELP GUYS!!!!!!

1(5x+8y) + 1(6x-2y)
3 4

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Guest Aug 31, 2015

0

3513

2

If x and y are both positive, when is x − y negative?

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Guest Aug 31, 2015

0

692

4

ihguguygug

what is a negative times a negative?

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Guest Aug 31, 2015

All Questions ⁺⁰238342 Questions

What are those!! 1*1

A grid with 3 rows and 52 columms is tiled with 78 identical 2x1 dominoes. How many ways can this be done such that exactly two of the dominoes are vertical?

challenge question

challenge question

Help me please

how to rewrite sin(x)/sin(y) without using any other trig functions?

calculate it

Nina found the equivalent expression of 4i^4+3i^3+2i^2+i+1.

How can I make a prediction

Help with math homework

would like answer

What is the compound interest on a sum of £2500 at a rate of 6% per annum for 3 years?

help????

what is LCM

Can I get help

Why is there only one for the length of a side

(9.2x10^6)/(2x10^-5) can u cancel the 10^s to make (9.2/2)x10^11

A 2 1/2-pound bag of white grapes costs $4.70. A 3 1/4-pound bag of red grapes costs $5.98. Which bag of grapes is a better deal? explain how you determined

help

LCM of 2,10, and 25

MAJOR HELP GUYS!!!!!!

If x and y are both positive, when is x − y negative?

ihguguygug

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