Answer:
A. 3^-2
Step-by-step explanation:
the question is 3^6/3^8
according to the law of exponents
a^n/a^m = a^n-m
for this question it will be
3^6-8 which is 3^-2
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Hello!
4 + y = -3
Isolate for y.
Subtract both sides by 4:
4 - 4 + y = -3 - 4
y = -7
Answer:
3/4
Step-by-step explanation:
We first need to have these two as a common denominator.
We can multiply 3 by 4 to get 12 as our denominator, which matches both denominators.
5/12 + 1*4/3*4 =
5/12 + 4/12 =
(5+4)/12 =
9/12
We can simplify further by diving by 3, which would give us 3/4.
The answer is: m∡1 = 34° .
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Note:
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m∡5 = m∡1 = 34° .
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Step-by-step explanation:
1/sin10-√3/cos10
= (cos10 - √3sin10)/cos10sin10
multiplying 1/2 in denominator and numerator
= {(cos10/2) - (√3sin10/2)}/(cos10sin10/2)
= (cos60cos10 - sin60sin10)/(cos10sin10/2)
= cos(60 + 10)/(cos10sin10/2)
= cos70/(cos10sin10/2)
= 2cos70/cos10sin10
multiplying 2 on numerator and denominator
= 4cos70/2sin10cos10
=4cos70/sin20
=4cos70/cos70
= 4 proved