NO. of students = 19
Boys = n
Girls = n+5
Equation formation
n + n + 5 = 19
2 n + 5 = 19
2 n = 19 - 5
2 n = 14
n = 7
Boys = 7
Girls = 7 + 5 = 12
Answer:
see explanation
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 5x + 4 ( subtract 4 from both sides )
y - 4 = 5x ( divide both sides by 5 )
= x
Change y back into terms of x
(x) =
Answer: 201.06176 times 2
Step-by-step explanation: if that doesn’t work sorry please don’t report I’m a student like, you
Answer:
6
Step-by-step explanation:
There are inverses for sine, cosine, tangent, secant, cosecant, and cotangent.