Answer:
The values of
and
are
and
, respectively.
Step-by-step explanation:
There are mistakes in the statement, correct form is presented below:
.
By direct comparison we have the following system of equations:
(1)
(2)
In (2) we solve for
:


The values of
and
are
and
, respectively.
You said that . . . . . N - 17 = -12
Add 17 to each side . . . N = 5
Pennies have been made with an alloy comprised of 97.5% zinc and 2.5% copper, but pennies minted before 1982 are 95% copper and 5% zinc. The price of copper has more than quadrupled over the past 10 years.
So a penny produced before 1982 is worth 2.2 cents based on the metal it contains.
On eBay, a lot of 5000 pennies has a face value of $50, but it will sell for $60.
Answer:
Step-by-step explanation:
y =
- 2
Answer:
(-7x + 9)(x+2)
Step-by-step explanation:
-7x^2 - 5x + 18
Product = -126
Sum = -5
Factors (-14, 9)
-7x^2 - 14x + 9x + 18
-7x(x + 2) +9(x + 2)
(-7x + 9)(x + 2)