Answer:
<h2>
cos 30°= 0.866</h2>
Step-by-step explanation:
Step one:
Applying the SOH CAH TOA principle
assuming all dimensions are in cm
Step two:
Given data
opposite= 1 cm
hypotenuse= 2 cm
<h3>we can now solve for θ</h3>
Sin(θ)= opp/hyp
Sin(θ)= 1/2
Sin(θ)= 0.5
θ= sin-1 0.5
θ= 30°
hence from tables cos 30°= 0.866
Answer: The mistake is improper use of distribution property.
Step-by-step explanation:
It is given that 
.
We need to find the mistake.
The given expression is
Using distribution property, we get
So, 
.
In the given calculation the 3 is not distributed properly because 3 is not multiplied with 2.
Therefore, the mistake is improper use of distribution property.
This is your answer 8,000,309
Answer:
The third choice: (x² - 1)³
Step-by-step explanation:
That is the only expression that is a binomial. Binomial means "two numbers". For this expression, x² is one number, and -1 is the other. Choice 1 is a monomial (one number) and choices 2 and 4 are trinomials (three numbers)
4 rectangles are 3 in x 2 in = 6 square inches each.
4 * 6 = 24 square inches.
2 squares are 3 in x 3 in = 9 square inches each
2 * 9 = 18 square inches.
Total area = 24 + 18 = 42 square inches.
