Answer:
x=20
Step-by-step explanation:
By the Triangle Sum Theorem, the angles of a triangle add up to 180. So we can set up the equation like this:
2x-10+70+4x=180
Combine Like terms
6x+60=180
Subtract 60 from both sides
6x=120
Divide by 6 to isolate the variable
x=20
The solution of the sin (10x) cos (7x) is 1/2 sin(17x ) + sin(3x).
<h3>What are the trigonometric identities?</h3>
We can calculate with the help of one of the trigonometric identities;
sin(A)cos(B) = 1/2 sin(A+B) + sin(A - B)
WE have given
sin (10x) cos (7x)
Here, A = 10x
B= 7x
So, sin(A)cos(B) = 1/2 sin(A+B) + sin(A - B)
sin(10x) cos(7x) = 1/2 sin(10x + 7x ) + Sin (10x - 7x)
sin(10x) cos(7x) = 1/2 sin(17x ) + sin(3x)
sin(10x) cos(7x) = 1/2 sin(17x ) + sin(3x)
Learn more about trigonometric ratios here:
brainly.com/question/22599614
#SPJ1
First you need to make them the say unit. I will convert the centimeters in the brochure to meters to match the table. To do this you need to divide 23 by 100 to get its meter value. that will get you .23 meters. Then divide the length of the table by how large each brochure is (1.5/.23) this will get you about 6.5. And since you can't have half a brochure on the table you will round down to 6 brochures on the table.
Answer:
x=0
Step-by-step explanation:
2x+2=x+2
2x-x=2-2
x=0