7/15 ÷ 3/5 =
= 7/15 * 5/3 =
= 7/3 * 1/3 = (after simplifying)
= <u>7/9</u>
Correct answer: A
Just keep in mind that dividing one fraction by another fraction is as much as multiplying the same fraction by an inverse of the second one.
<span>log_9 x + log_9 (x + 12) = log_9 64?
answer is x=4</span>
Answer:
The answer is D (31)
Explanation: there is a pattern by adding 3 each time to the minutes
The measures of the angles in a triangle always add up to 180°, so the answer is: m+p+n=180°.