Start by combining the fractions:



Recall the Pythagorean identity:

Then cancel a factor of
and use the definition of secant:

Answer:
A
Step-by-step explanation:
You switch the y and x and solve for y.
y = 2x + 5
becomes
x = 2y + 5
Subtract 5 on both sides.
x - 5 = 2y
Divide 2 on both sides.
(x - 5) / 2 = y
Answer:
Step-by-step explanation:
=-65*5
=-325
The answer is A;
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The area of parallelogram 1 is 4 square units greater than the area of parallelogram 2.
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Answer:
the number of chlorine molecules in 6.5 moles of chlorine is calculated as follows
by use of Avogadro constant that is 1mole = 6.02 x10^23 molecules
what about 6.5 moles
6.5 x ( 6.02x 10^23)= 3.913 x10^24