Answer:
8.3
Step-by-step explanation:use law of cosine
solve equation
substitute
simplify
Answer:
c
Step-by-step explanation: not much has change the perminater will always stay the same
Answer:
√x
Step-by-step explanation:
The given expression
1/x^-3/6
Can be written as
1/x^-1/2
Use the negative exponent rule
1/x^n = x^n
Using the rule from above above
1 * x^-1/2
1 * √x =
√x
#3 3.4w-0.4w+4.6w+5=-7.6
8.2w+5=-7.6
8.2w=-7.6-5
8.2w=-12.6
W=-12.6÷8.2
W=-1.53658 I'm working on otherc2
D. calculate the corefficient of gradation
