12 / 3 so the answer would be 4
X + 1 by x = 99 find the value of 100x by 2x square + 102x + 2
1
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give me brainilest
Answer:
5/13
Step-by-step explanation:
According to SOH CAH TOA
cos theta = adj/hyp = -12/13
Get the opposite using pythagoras theorem
13^2 = (-12)^2 + opp^2
169 = 144 + opp^2
opp^2 = 169-144
opp^2 = 25
opp = 5
Get sin θ
sin θ = opp/hyp
sin θ = 5/13
hence the value of sin θ is 5/13
Start by expanding the left hand side:
which leads to
Now we want to move all terms involving the variable to the left hand side, and all constant terms on the right hand side:
Simplify both sides by summing like terms:
Divide both sides by -8 to solve for x:
A couple of rules to review:
#1). Ln(the square root of a number) = 1/2 Ln(the number)
and
#2). e^(Ln of a number) = the number
Now we're all set to solve this thing.
=======================================
<u>Ln( square root of(x+2) ) = 3</u>
From Rule #1: 1/2 Ln (x+2) = 3
Multiply each side by 2: Ln (x+2) = 6
From Rule #2: (x + 2) = e^6
(x + 2) = 403.43 (rounded)
Subtract 2 from each side: <em> x = 401.43</em> (rounded)
