All Questions

+5

847

2

+87

take this short survey about this website...

please answer the questions:
1.how often do you use web2.0calc.com?
a)everyday
b)twice a week read more ..

Melody ●●

anika121 Apr 13, 2015

0

522

0

make a the subject in A=PI(a)(b)

Guest Apr 13, 2015

0

947

0

If A=(4,-5) and B=(7,9), what is the length of AB

Guest Apr 13, 2015

0

556

0

If f(x)=(1+x)÷(1-2x) find (m-3)÷2m

Guest Apr 13, 2015

0

820

0

what is x in 3/4x = 2x-5

Guest Apr 13, 2015

0

595

0

5/4(5x+3/4)

5/4(5x+3/4)
the / serves as fractions. :)

Guest Apr 13, 2015

0

822

1

what is pi

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Guest Apr 13, 2015

0

459

1

What is the probability of rolling a 4 at least once with 2 dice after 7 tries? Please help, this is confusing

CPhill ●

Guest Apr 13, 2015

0

556

2

WHAT IS MY NAME, I SO CONFUSE!

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Guest Apr 13, 2015

+5

965

3

+39

for Melody

bergziege46 ●●●

bergziege46 Apr 13, 2015

0

627

1

area of a rectangle is 250000 with one side being 400. What is the other side?

CPhill ●

Guest Apr 13, 2015

0

505

0

how is that right?

Guest Apr 13, 2015

0

824

0

+87

is maths useful in life?

can you name all the things that makes maths is useful in life?

anika121 Apr 13, 2015

0

2865

2

+4

write 9/10 as a decimal and a percent

anika121 ●●

DIGDiana Apr 13, 2015

0

825

1

what do you hate most about maths? I hate algebra the most...

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Guest Apr 13, 2015

+3

630

3

what is 2 + 2 (checking of this works)

cota888 ●●●

Guest Apr 13, 2015

0

1320

1

Whats the value of the 4 in the number 2345?

anika121 ●

Guest Apr 13, 2015

0

1077

0

Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M

Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).

difficulty advanced

Guest Apr 13, 2015

0

1144

1

What is the square root of cow?

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Guest Apr 13, 2015

0

408

0

why is the sky blue

Guest Apr 13, 2015

0

502

2

A car cost 20 000$, three years later it's value dropped to 13 750$

A car cost 20 000$, three years later it's value dropped to 13 750$
How do i find how many per cent the value dropped?
Thanks

CPhill ●●

Guest Apr 13, 2015

0

1016

1

9(3-2x)=2(10-8x)

CPhill ●

Guest Apr 13, 2015

+5

2390

3

+97

what are two numbers whose sum is 36 but whose difference is 2

anika121 ●●●

Jericho Apr 13, 2015

+5

922

1

+97

whats 9+435432/3434

Jericho ●

Jericho Apr 13, 2015

0

1125

1

y=8x-1

y=8x-1 ?
How do you complete this question, i know what i do but i need to refresh my mind.

CPhill ●

Guest Apr 13, 2015

All Questions ⁺⁰237784 Questions

take this short survey about this website...

make a the subject in A=PI(a)(b)

If A=(4,-5) and B=(7,9), what is the length of AB

If f(x)=(1+x)÷(1-2x) find (m-3)÷2m

what is x in 3/4x = 2x-5

5/4(5x+3/4)

what is pi

What is the probability of rolling a 4 at least once with 2 dice after 7 tries? Please help, this is confusing

WHAT IS MY NAME, I SO CONFUSE!

for Melody

area of a rectangle is 250000 with one side being 400. What is the other side?

how is that right?

is maths useful in life?

write 9/10 as a decimal and a percent

what do you hate most about maths? I hate algebra the most...

what is 2 + 2 (checking of this works)

Whats the value of the 4 in the number 2345?

Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M

What is the square root of cow?

why is the sky blue

A car cost 20 000$, three years later it's value dropped to 13 750$

9(3-2x)=2(10-8x)

what are two numbers whose sum is 36 but whose difference is 2

whats 9+435432/3434

y=8x-1

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