Answer:
x = 25
Step-by-step explanation:
Correct question
In a right triangle Sin (40-x)=cos(3x) what is the value of x
Since Sin theta = Cos(90-theta)
Sin (40-x) = Sin(90-3x)
40 - x = 90 - 3x
-x+3x = 90 - 40
2x = 50
x = 25
Hence the value of x is 25
Answer:the price of the stock at closing on Wednesday is $10
Step-by-step explanation:
On Monday a stock sold for $12 a share at closing. On Tuesday the selling price for the stock was down $3 a share at closing. This means that the amount at which the stock sold a share at closing on Tuesday is 12 - 3 = $9
On Wednesday the price of the stock at closing was up $1 from Tuesday. This means that the amount at which the stock sold a share at closing on Wednesday is
9 +1 = $10
Answer: 720 ways
Step-by-step explanation:
Given
A train has 1 main engine and remaining 6 train cars
If the engine is always in the front the remaining train cars can be arranged is

It’s a 90 degree clockwise rotation as coordinates become (y,-x).
For the first line start at -1 and from there go up to and to the right three
for the second line on nuber one start at 4 and down 1 and to the left 1