Answer:

Step-by-step explanation:
we have

we know that
-----> the bases are multiplied and the exponents are added up
so
in this problem


Answer:
25.5
Step-by-step explanation:
first find angle E.
remember, all angles in a triangle always add up to 180 degrees.
E = 180 - 90 - 20 = 70 degrees
now we use the law of sines.
ED/sin(20) = DC/sin(70) = EC/sin(D)
EC = x
sin(D) = sin(90) = 1
24/sin(70) = x/1 = x
x = 25.5
Answer:

Graeme will make $33.84 after four hours of work.
Answer:
it defines an important concept of standard deviation used in probability theory and statistics. It has a major use in the formula for roots of a quadratic equation; quadratic fields and rings of quadratic integers, which are based on square roots, are important in algebra and have uses in geometry.
Answer:
2.18 repeating.
Step-by-step explanation:
So it will be 24/11 because the negatives cancel out each other. So the answer is 2.18 repeating.