Write an expression for the quotient of 9 and c
1 answer:
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<h2>Explanation:</h2><h2></h2>
Here we need to set a system of two linear equations in two variables. So:
- <em>The sum of digits in a two digit number formed by two digits from 1 to 9 is 8:</em>
Let be those digits, then:
- <em>If 9 is added to a number then both the digits become equal. find the number:</em>
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But from eq 1:
Substituting y into the expression 1:
The x-value will be found by hit and trial, so:
- Let x = 1:
We have to reject this solution because digits are different.
- Let x = 2:
We have to reject this solution because digits are different.
- Let x = 3:
<em>Then this is a two digit number formed by two equal digits. </em>
Finally, the number is:
44
Answer:
Step-by-step explanation:
In the question, we're given that the notation produces a number
less than the product of
and
raised to the
power. Let the number produced be
. As a mathematical equation, we can write this production as
For , we can assign:
Substituting these values into , we get:
Add 2 to both sides:
Take the square root of both sides:
For , there are two cases:
Therefore, we have:
The only answer choice applicable is .