Friday

January 30, 2015

January 30, 2015

Posted by **Enis** on Wednesday, February 27, 2013 at 1:52pm.

- Math 130 -
**bobpursley**, Wednesday, February 27, 2013 at 2:28pm1+3=4

1+3+5=9

1+3+5+7=16

notice it goes like this:

first two = 2^2

first three=3^3

first four= 4^2

first 15=15^2

first hundred= ???

- Math 130 -
**Enis**, Wednesday, March 6, 2013 at 3:53pmHow many four-digit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?

- Math 130/ help please -
**ENIS**, Friday, March 15, 2013 at 7:42pmFind the smallest values for a and b so that 21 base a equals 25 base b.

**Answer this Question**

**Related Questions**

Math - Sum the first two odd numbers, then the first three, the first four, and ...

SUMS? - what is the sum of the first towo odd numbers? what s the sum of the ...

math - The sum of the first n odd number is n^2. The sum of the first 30 odd ...

Math - Find the sum of the first 35 consecutive odd numbers. What is the sum of ...

math - The sum of the first 5 natural numbers is 15 or (5)(6)/2. The sum of the ...

Math - 1.(A)(i)Show that 2+4+6+8+..+2n=n(n+1). (ii)Find the sum of the first 200...

Math riddle - nine odd numbers have a sum of 243.find the sum of the first and ...

Math riddle - nine odd numbers have a sum of 243.find the sum of the first and ...

Grade 8 Math - Can you write them in Mathematical/numbers form I'll solve them ...

arithmetic - 1. The first and last term of an A.P are, a and l respectively, ...