Answer:
D) x=70 y=80 is your answer
70>60 (guys)
80<90 (girls)
Step-by-step explanation:
Answer:
Alright same for here to find the inverse, interchange the variables and solve for y
f - 1 (x) = - 2 (1 + x)/2 + x Hope this help's :)
Step-by-step explanation:
Answer:
35n - 63
Step-by-step explanation:
The area of a rectangle is given by
A = l*w where l is the length and w is the width
A = 7(5n-9)
Distribute
A = 35n - 63
Answer:
72 cm
Step-by-step explanation:
It would be multiplied by 8 so the length would become 72 cm
15) x=31/10
16)x=2
17)x=16/3
18)x=-2
19)2.5 hours
20) 32 hours