Answer:
-10
Step-by-step explanation:
when you subract a negative the minus signs negate each other
Answer:
When multiplying and dividing it by a negative
Step-by-step explanation:
Answer:
$65m + 125 = 1165
Step-by-step explanation:
Answer:
y = 23x + 182
Step-by-step explanation:
m = 23 (parallel line has same gradient)
y = 23x + c
H(-8,-2)
-2 = 23(-8) + c
c = 182
y = 23x + 182
(Correct me if i am wrong)
L = w - 20
12000 = w × ( w - 20 )
12000 = w^2 - 20w
w^2 - 20w - 12000 = 0
( w - 10 ) ( w - 10 ) = 0
width = 10
i am a mathematics teacher. if anything to ask please pm me