Answer:
The answer is A. the opposite of eight.
Step-by-step explanation:
The opposite of 8 is -8, and to prove this, the opposite of -8 is 8. This is correct.
The absolute value of 8 is 8, and the absolute value of any number (positive or negative) will always be positive, so this is incorrect.
8 above 0 means positive 8, so this is incorrect.
The opposite of -8 is positive 8, so this is incorrect.
I hope this helped! :-)
Answer:
Step-by-step explanation:
Since we are in quadrant 2, sine is positive. Since sine is positive and cosine is negative, then tangent is negative.
Now I'm going to find the sine value of this angle given using one of the Pythagorean Identities, namely .
If given , then we have by substitution of .
Let's solve:
for .
Subtract 4/9 on both sides:
Simplify:
Square root both sides:
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Multiplying top and bottom by 3 gives:
I'm going to move the factor of -1 to the top:
Answer:
11
Step-by-step explanation:
6x+7=8x-15
7=2x+15
22=2x
11=x
Answer:
10
Step-by-step explanation:
You probably mean either
or
Write 8 = 2³, so that in the first interpretation,
and in the second,
Then in the first interpretation, we have
Otherwise, the second interpretation gives