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Post New Question
All Questions
+0
234777 Questions
0
497
1
Math
whats pie to the power of 7 multiplied by 23
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Guest
Oct 15, 2016
0
654
1
what is the are of a rectangle that is square root of 70 by square root of 28. in its simplest form
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
3763
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
436
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
375
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
1047
0
+2498
Help !
read more ..
Solveit
Oct 15, 2016
0
392
1
What would -30x+30x be when x is an unknown number?
What would -30x+30x be when x is an unknown number?
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Guest
Oct 15, 2016
0
329
1
,
need explanations on venn diagram and sets
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Guest
Oct 15, 2016
0
526
1
powers
wot is the power of 147
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Guest
Oct 15, 2016
0
1361
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
552
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
3360
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
529
2
math
if A= pi r squared 2 find A when r=34 cm
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Guest
Oct 15, 2016
0
404
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
1642
8
+64
I roll 4 dice and record their sum. How many different ways can I get a sum divisible by 3?
I roll 4 dice and record their sum. How many different ways can I get a sum divisible by 3?
Melody
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rictor5
Oct 15, 2016
0
429
1
where is the fraction button?
where is the fraction button?
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Guest
Oct 15, 2016
0
357
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
835
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.
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
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rictor5
Oct 15, 2016
0
609
1
2/3/2
2/3/2
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Guest
Oct 15, 2016
0
635
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
751
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
538
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
Oct 14, 2016
0
485
2
rounding
how to round 131.88 to the nearest tenth
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Guest
Oct 14, 2016
0
479
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
659
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
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