Answer:
547
Step-by-step explanation:
9 and 7 are the numerators. The greatest common factor between 3 and 7 is 21. Whatever u multiply the bottom by u have to multiply the top by as well
Answer: 30°
Step-by-step explanation:
solution is in the attachment
Answer: (C) 4
<u>Step-by-step explanation:</u>
The corresponding sides of a 30°-60°-90° triangle are: b - b√3 - 2b
The side corresponding to 90° is 8 = 2b --> b = 4
The side corresponding to 30° is y = b <em>as stated above, b = 4</em>, so y = 4
Answer:
9^-2 or 1/81
Step-by-step explanation:
<u>Exponent Rule:</u>
When dividing exponents, they're subtracted.
Since the second term has a negative exponent, we add.
<u>Change the problem into multiplication, then add 4 to the exponent of -6:</u>
