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## Ahmed Salami

Nigeria
Available
##### Expertise

I can provide good answers to questions dealing in almost all of mathematics especially from A`Level downwards. I can as well help a good deal in Physics with most emphasis directed towards mechanics.

##### Experience in the area

Aspiring theoretical physicist. I have been doing maths and physics all my life.

##### Education/Credentials

I teach mathematics and engineering physics.

### Recent Reviews from Users

K = Knowledgeability    C = Clarity of Response    P = Politeness
K.F.03/20/17101010Thank for the reply and information!
Prashant S Akerkar 03/20/17101010
Ndawana Blessing07/04/16101010Well explained. Thank you so much.
AB04/19/16101010Thanks

### Recent Answers from Ahmed Salami

#### 2017-03-23 Rates:

Hi  Yes, it could.  For instance, while (\$35.95/1 year)/\$1000 means the same as (\$35.95/\$1000)/1 year, changing the placement of the parentheses gives \$35.95/(1 year/\$1000) and \$35.95/(\$1000/1 year) respectively

#### 2017-03-20 Rates:

Hello,  You can interpret \$35.95 per year per \$1000 as being \$35.95 for every \$1000 for every year. Arithmetically, you can replace 'per' with the division symbol as in the second expression in your question

#### 2017-03-19 Largest Hypothenuse integer value in Pythagoras theorem.:

Hi Prashant,  Suppose a² + b² = c² for some integers a,b,c. If we multiplied by n², for an integer n, then we have  n²a² + n²b² = n²c²  or  (na)² + (nb)² = (nc)²  You can see that if c is an integral hypothenuse

#### 2016-07-04 A level Maths. remainder theorem:

Hi Ndawana,  From the information provided about the remainders when f(x) is divided by each of x-3 and 2x-1, we know that f(3) = -9 and f(1/2) = -6.  Since the product (x-3)(2x-1) is quadratic then the

#### 2016-04-19 Relations( concerning sets):

Hi AB,    The modulus of a complex number z = a + bi is given by the positive value of  |z| = √(a² + b²)    So, for x = 2 + 3i  |x| = √(2² + 3²) = √13  which is not the same as 13, and

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