Sin²β +cos²β=1
cos²β=1-sin²β
cos²β=1-(4/7)²
cos²β=1-16/49=49/49-16/49=33/49
cosβ=√33/√49=√33/7
Hello! 7/20 employees are between the ages of 20 and 30. That's 35% of employees, because 7/20 is 0.35 and 0.35 * 100 is 35. To find the amount of employees in that age range, all you have to do is multiply 35% by the total number of employees. 13,220 * 35% (0.35) is 4,627. There. 4,627 employees that work at the B&B bank are between the ages of 20 and 30.
Let's solve your equation step-by-step.
4x−2=0
Step 1: Add 2 to both sides.
4x−2+2=0+2
4x=2
Step 2: Divide both sides by 4.
4x
4
=
2
4
x=
1
2
Answer:
x=
1
2
hope it helps
Answer:x · 1 + = ___.
1
x
1 + x
2x
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Substitute 2 into to equation. 4 times 2 is 8 and 8 -5 =3.