Answer:
∠ A ≈ 44.42°
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos A = 
= 
= 
, then
∠ A = 
( ) ≈ 44.42° ( to the nearest hundredth )
Answer: Susan has 105 dollars
Step-by-step explanation:
dozen is 12, 12 times 4 is 48, 48 divided by 4 is 12, 12 times 8.75 is 105
Answer: 720
Step-by-step explanation:
Since we are to list 6 different kinds of Pizza and no condition is attached , this arrangement could be done in 6! ways.
That is
6! = 720
This means that the different kind of pizza could be listed in 720 ways
Step-by-step explanation:
<em>1st year</em>:
(1200 x 3.5 x 1) ÷ 100 = $42
<em>2nd year:</em>
(1242 x 3.5 x 1) ÷ 100= $43.47
<em>3rd year:</em>
(1285.47 x 3.5 x 1) ÷ 100= $44.99≈ $45
<em>4th year:</em>
(1330.47 x 3.5 x 1) ÷ 100= $46.56
Compound interest:
$(42 + 43.47 + 45 + 46.56)
=<u>$ 177.03</u>
