Since z is proportion to the x
z = a x
190 = a 10
a = 19
when x = 13
z = a x
z = 19 * 13
z = 247
Answer:
the middle number
Step-by-step explanation:
Answer:
Subtraction is the Addition of the opposite of the subtrahend to the minuend.
Step-by-step explanation:
PLS GIVE BRAINLIEST
Answer:

Step-by-step explanation:
we know that
The algebraic expression is equal to

Remember that

and

so

substitute
