All Questions

0

594

1

Math

whats pie to the power of 7 multiplied by 23

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Guest Oct 15, 2016

0

743

1

what is the are of a rectangle that is square root of 70 by square root of 28. in its simplest form

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Guest Oct 15, 2016

0

3798

2

GEOMETRIC SERIES

1)Find a formula for Sn, the sum of the first n terms of the series:
a) √3 + 3 + 3√3 + 9 +...
b) 12 + 6 + 3 + 3/2 +...

2) A geometric sequence has partial sums S1=3 and S2=4
a) state the first term U1
b) Calculate read more ..

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Guest Oct 15, 2016

0

540

2

ARITHMERIC SEQUENCE

Three consecutive terms of an arithmetic sequence have a sum of 12 and a product of -80. Find the terms.
Hint: Let the terms be x-d, x and x+d.
PLEASE HELP !!

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Guest Oct 15, 2016

0

451

0

-1^0.5 is wrong

It places brackets resulting in -(1^0.5) but -1 is obviously a number! This is like saying 2.2/2 is 2.(2/2) which is 2.1. Wrong.

Guest Oct 15, 2016

-1

1140

0

+2499

Help !

What would -30x+30x be when x is an unknown number?

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Guest Oct 15, 2016

0

413

1

,

need explanations on venn diagram and sets

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Guest Oct 15, 2016

0

618

1

powers

wot is the power of 147

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Guest Oct 15, 2016

0

1431

2

HELP!!!!

HELP!!!!
how do you solve this problem x/3 - (3-x)/6 - (x+2)/8 = (3x-1)/6

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Guest Oct 15, 2016

0

642

2

How to do?

There are 40 coins in a tin. It contains $1 coins, $0.50 coins and $0.20 coins. The number of $1 coins is 5 times as many as $0.50 coins. The total value is $33.80. How many $1 coins are there?

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Guest Oct 15, 2016

0

2

3443

3

a solid pyramid of height 40 cm with a square base of sides 30 cm each is put into a cubicle tank of sides 40 cm each. the tank is then filled with water. If

a solid pyramid of height 40 cm with a square base of sides 30 cm each is put into a cubicle tank of sides 40 cm each. the tank is then filled with water. If the pyramid is removed, find the depth of water in the tank.
-

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Guest Oct 15, 2016

0

621

2

math

if A= pi r squared 2 find A when r=34 cm

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Guest Oct 15, 2016

0

493

0

Random variable problem

The rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, Southwest Air had the best rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 16 Southwest read more ..

Guest Oct 15, 2016

0

1688

8

+64

I roll 4 dice and record their sum. How many different ways can I get a sum divisible by 3?

Melody ●●●●●●●●

rictor5 Oct 15, 2016

0

516

1

where is the fraction button?

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Guest Oct 15, 2016

0

444

1

math

Suppose y varies directly as x and y = 7 when x = 2. Find x when y = 21

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Guest Oct 15, 2016

0

927

3

+64

There are 4 boys and 3 girls in a lunch line. In how many different ways can they line up if the 3 girls want to stay as a group.

rictor5 ●●●

rictor5 Oct 15, 2016

0

711

1

2/3/2

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Guest Oct 15, 2016

0

720

2

+64

counting

How many integers can be formed by using the digits 1, 2, and 3 each at most once?

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rictor5 Oct 15, 2016

0

844

2

+64

help combination/permutation problem

In some nation, license plate numbers are formed by a consonant followed by a nonzero digit followed by a vowel. How many different license plate numbers are there?

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rictor5 Oct 15, 2016

0

639

1

Fraction Button?

Why doesn't this calculator have a fraction button? Or am I just mistaken?

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Guest Oct 15, 2016

0

576

2

rounding

how to round 131.88 to the nearest tenth

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Guest Oct 14, 2016

0

583

1

(t-60)/3=8

Hello,

Can you please show steps in how to solve this variable equation?
read more ..

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Guest Oct 14, 2016

0

747

2

Concavity

Where is f(x) = (1/32)sqrt(x) + 1/x, x>0, concave up and concave down?

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Guest Oct 14, 2016

All Questions ⁺⁰238211 Questions

Math

what is the are of a rectangle that is square root of 70 by square root of 28. in its simplest form

GEOMETRIC SERIES

ARITHMERIC SEQUENCE

-1^0.5 is wrong

Help !

What would -30x+30x be when x is an unknown number?

,

powers

HELP!!!!

How to do?

a solid pyramid of height 40 cm with a square base of sides 30 cm each is put into a cubicle tank of sides 40 cm each. the tank is then filled with water. If

math

Random variable problem

I roll 4 dice and record their sum. How many different ways can I get a sum divisible by 3?

where is the fraction button?

math

There are 4 boys and 3 girls in a lunch line. In how many different ways can they line up if the 3 girls want to stay as a group.

2/3/2

counting

help combination/permutation problem

Fraction Button?

rounding

(t-60)/3=8

Concavity

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