$\left \{ {{x=y-7} \atop {x+8y=2}} \right. \\\\
substitute\ x=y-7\ into \ the\ second\ equation\\\\
y-7+8y=2\\\\
9y-7=2\ \ \ | add\ 7\\\\
9y=9\ \ \ | divide\ by\ 9\\\\
y=1\\\\x=y-7=1-7=-6$

4 0

3 years ago

A mint produces 150,000 souvenir coins each year. In a random sample of 400 coins, 3 have a misprint. Predict the number of coin

Tema [17]

150,000 / 400 = 375. 375(3)= 1,125 misprints per year. hope this helps!

5 0

3 years ago

Help me with this math question

a_sh-v [17]

Step-by-step explanation:

Option D

As time increases, the temprature of soup decreases..

hope it helps

6 0

2 years ago