Vertical angles, hope this helps!
Additive inverse means that the numbers that when added will equal to 0
so :
1.25 + x = 0
x = -1.25
meanwhile, multiplication inverse means if multiplied, the numbers will equal to 1
So :
1.25 x = 1
x = 1/1.25
x = 0.8
Hope this helps
Answer:
it's a negative number. the answer would be
Step-by-step explanation:
-12
21 COINS
9 are NICKLES
all the other are pennies
21 - 9 =12
so 12 pennies
1 nickle is 5 cents so
5*9 = 45 cents so
45 + 12 = 57
so the answer is 57 cents
Step-by-step explanation:
x2-8x-3x+24=0
x(x-8) 3(x+8)
(x-8)(x+8)
x-8=0 or x+8=0
x=8. x= -8