Supplementary is 180 so 180 times 3
As you see this is a right angle, so the sum of the two angles = 90°
So,
(x + 42) + 3x = 90°
Remove the parentheses:
x + 42 + 3x = 90
Combine like terms:
4x + 42 = 90
Subtract 42 on both sides:
4x = 48
Divide 4 on both sides:
x = 12
~
Answer:
D) 0.67
Step-by-step explanation:
Just took the test te only one i got wrong because i put C)0.64
The annual interest owed is
... 7% × $115,000 ≈ $8050
The monthly interest owed is 1/12 that amount.
... (1/12) × $8050 ≈ $671
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Some calculators are able to use 7% as a factor; others require you use the decimal equivalent, 0.07.
Given
12 black socks
16 white socks
Without looking, Mario takes one sock out of the drawer and then takes out another without replacing the first sock
Which expression shows one way to find the probability that he will take out two white socks?
Procedure
for the first white socks
for the second white socks
