Answer:
(4) 0
Step-by-step explanation:
<u>Given:</u>
- cos²27°×cos²34°×...×cos²167 = ?
<u>Looking at the angles measures, they form series of: </u>
This is AP with the first term of 27 and common difference of 7
<u>We can see one of the terms of this AP is 90</u>
Since cos 90° = 0 ⇒ cos²90° = 0 and therefore given series equals to zero as one of the terms of multiplication is zero.
<u>So correct answer choice is</u> Option 4) 0
<span>Given
equation = 1/6x – 5 = 1/5x + 2
how can it be set up as linear of equation?
let’s start solving the given equation to show the system of equations:
=> 1/6 x – 5 = y
=> 6y = x – 30
=> 6y – x = -30
=> 1/5 x + 2 = y
=> 5y = x + 10
=> 5y – x = 10
Thus, the system of equation of the given equations are:
=> 6y – x = -30</span><span>
=> 5y – x = 10</span>
Answer:
50½
Step-by-step explanation:
u do 101 divided by 2 and the remainder is what goes over 2 on the fraction
Answer:
A
Step-by-step explanation:
Note
One thing you should automatically notice is that x is larger, much larger than 20. x is the hypotenuse of a right triangle
Formula
Sin(18) = opposite side / hypotenuse
Givens
Sin(18) = 0.30902
opposite = 20
hypotenuse = x
Solution
sin(18) = 20 / x Multiply both sides by x
x sin(18) = 20*x /x
x sin(18) = 20 Divide by sin(18)
x sin(18) / sin18 = 20/sin(18)
x = 20 / 0.30902
answer: x = 64.72
