Answer:
<h2>
</h2>
solution,
Combine the like terms:
Simplify:
Hope this helps...
Good luck on your assignment...
Answer:
Supongo que tenemos dos ángulos A y B
"la mitad de A mas la tercera parte de B es igual a 15°" (también supongo que son grados)
A/2 + B/3 = 15°
A/2 = 15° - (B/3)
A = 30° - 2*(B/3)
Ahora queremos calcular:
2*sin(3*A)/cos(2*B)
pero podemos reemplazar A por lo que tenemos arriba:
2*sin(3*(30° - 2*(B/3)))/cos(2*B)
2*sin(90° - 2*B)/cos(2*B)
y como sabemos,
Sin( 90° - x) = Sin(90°)*cos(-x) + cos(90°)*sin(-x) = cos(-x) = cos(x)
entonces:
2*sin(90° - 2*B)/cos(2*B) = 2*cos(2*B)/cos(2*B) = 2*1 = 2.
You divide by 2/2 and get 30/36 then divide again 2/2
15/18
Hope this helps :D
Answer:
<h2>x = 4</h2>
Step-by-step explanation:
In algebra, the goal is always to isolate the variable, so its value can be determined.
<h3>Step 1: Use distributive property</h3>
-8 = -x + -4
<h3>Step 2: Subtract -4</h3>
-4 = -x
<h3>Step 3: Multiply by -1</h3>
4 = x
<h3>Step 4: Check</h3>
-8 = -(4 + 4)
-8 = -8 ✔
<h3>Step 5: Answer</h3>
x = 4
I'm always happy to help :)
Answer:
-1, 2,5,8
Step-by-step explanation:
nth term =a+(n-1) *d
-1+(n-1) *3
-1+3n-3
3n-4
t2 =3*2-4
6-4
2
t3=3*3-4
9-4
5
t4=3*4-4
12-4
8
