You have to use cosine law...
Answer:
55
Step-by-step explanation:
45+13=58 then 58-3=55
Answer:
2
Step-by-step explanation:
Using the rule of logarithms
x = n ⇒ x = 
let
8 = n ⇒ 8 =
, that is
2³ =
( equate exponents )
n = 3
and let
(
) = n ⇒
=
, that is
=
( equate exponents )
n = - 1
then
8 +
(
)
= 3 + (- 1)
= 3 - 1
= 2
Answer:
7.25
Step-by-step explanation:
2 7/8 + 3 2/8 * 1 1/8 = 7.25
Answer:
I could be wrong but it's 2/7 (i think)
Step-by-step explanation:
I hope this helps :)