Answer:
b) x=13
Step-by-step explanation:
first divide 10 by 2 to get the base of one side of the triangle
the answer will be 5
Then using the Pythagorean theorem
a2+b2=c2
12^2+5^2=169
the square root of 169 will be 13
We have
.
To find inverse function
we substitute x with
and vice-versa to get

Now solve for
. Note that I will use
instead.

So we find that
.
Hope this helps.
Answer:
1/9
Step-by-step explanation:
3^-2 = 1/3^2
1/3^2 = 1/9
Answer:
$4,224
Step-by-step explanation:
P(principal)=$4,000
R(rate)=1.4%
T(Time): 4 years
A=4,000×(1+(0.014×4))=$4,224
A=$4,224.00
So, Sarah will have $4,224 of interest in 4 years.