n is 7 :] ...
Step-by-step explanation:
pls mark brainlest
Answer:
The answer is C
Step-by-step explanation:
2x + 4y
2 x 3 = 6
4 x 6 = 24
24 + 6 = 30
Answer:
Negative
Step-by-step explanation:
A negative plus a negative (negative minus a positive) will give you a negative. -1.69 + (-1.69) = -3.38
-3.38 is a negative, therefore the answer is negative.
Yes. Rational numbers are numbers that never end. 2.75 ends at the five. Therefore it is rational!
Answer:

Step-by-step explanation:
Let
x -----> grams of zinc
y ----> grams of copper
we know that
-----> equation A
For y=629 grams of copper
substitute in the equation A and solve for x


