Answer:
164.5, if thats wrong then 258.5
Step-by-step explanation:
Divide 94/4 and then you get 23.5 so you multiply 23.5 x 7=164.5 but I wasn't sure if it was either 4 years and then add another 7 or if it was just 7 years so I also did 23.5 x (7+4)= 23.5x11=258.5
The answer is A. Radical sign 3.
Answer:
9
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Simplify the radicals

= 
=
× 
= 2

= 
=
× 
= 3
Then
3
+ 
= 3(2
) + 3
= 6
+ 3
= 9
Answer:
B. 13m+8
Step-by-step explanation:
(20m+3)-(7m-5)
= 20m+3-7m+5
= 13m+8
Answer:
Option B is correct
Step-by-step explanation:
Given is a cos funciton.
Period = 3
Max = 20 and minimum =0
Hence centre line is y = 1/2 (max+min)
i.e. y =10 is the central line
Let the funciton be of the form
y = a cos (bx+C)+d
We got d = 10...i
Period =3
Hence b =
... ii
Amplitude = a = distance of max from central line = 20-10 =10...iii
Since reflection over x axis, sign of a =negative
a=-10
Since no horizontal shift, c=0 ... iv
Put to gether the function is
