Answer:
12/13
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
sin theta = opp side / hypotenuse
sin B = 12/13
There is no mode in this series of numbers
Answer:
The money she start with is <u>$25</u>.
Step-by-step explanation:
Given:
Vanessa spent 4/5 of her money at the bookstore.
In total, the books cost $45.
Now, to find the money she start with.
Let the money she start with be .
Money spent at the bookstore .
Total books cost = $45.
According to question:
⇒
Adding the variables we get:
⇒
<em>Multiplying both sides by 5 we get:</em>
⇒
<em>Dividing both sides by 9 we get:</em>
⇒
Therefore, the money she start with is <u>$25</u>.
Answer:
x = 26, 16
Step-by-step explanation:
( x-21) ^2 = 25
Take the square root of each side
sqrt(( x-21) ^2) = ±sqrt(25)
x-21 = ±5
Add 21 to each side
x-21+21 = 21±5
x = 21±5
x = 21+5 and x = 21-5
x = 26, 16