Answer:
There are two options: b)
, c)
.
Step-by-step explanation:
By Trigonometry, we know that function tangent is equal to the following identity in terms of functions sine and cosine:
(1)
If we know that
and
, then
. Hence, we have two possibilities: b)
, c)
.
Answer:
b≤−76 is your answer.
Step-by-step explanation:
Hope this helped <3
Simple.....
you have this fraction...
![\frac{42}{60}](https://tex.z-dn.net/?f=%20%5Cfrac%7B42%7D%7B60%7D%20)
simplify...
42/6=7
and
60/7=10
Thus...
![\frac{7}{10}](https://tex.z-dn.net/?f=%20%5Cfrac%7B7%7D%7B10%7D%20)
Thus, she has saved
![\frac{7}{10}](https://tex.z-dn.net/?f=%20%5Cfrac%7B7%7D%7B10%7D%20)
of the money.