Answer:
38
Step-by-step explanation:
Let
n-------> the number of nickels
d-------> the number of dimes
we know that
so
-----> equation A
-------> equation B
substitute equation B in equation A
------> equation that can be used to find n
Solve for n
find the value of d
therefore
the answer is
The equation that can be used to find n is
The number of nickels in the collection is
Answer:
The answer is C. 16
Step-by-step explanation:
I got it right on edg. See below.
Answer:
x=81
Step-by-step explanation:
Rewrite log_3 (x)=4 in exponential form using the definition of a logarithm. If x and b are positive real numbers and b≠1, then log_b(x)=y is equivalent to b^y=x.
Rewrite the equation as x=3^4
Raise 3 to the power of 4
x=81