Answer: after 5 hours, 75 cupcakes
Step-by-step explanation:
Y= -x and y= -1/x
Are one-one
y= -x, inverse x= -y
Identify function
hence, inverse of y= -x in y= -x
similarly in the case of y= -1/x
so option (D) I and II, only
Answer:
10:1
90 red counters
30 blue
1/3 of 90 =30
80% of 30 =24
90-30 =60 remaining red counters
30-24 =6 remaining blue counters
= 60:6 simplest form is 10:1
Answer:
the answer is a where x=8
Explanation:
cross multiplication method
Answer:
n = 23
Step-by-step explanation:
-8 + n = 15
-8 + n + 8 = 15 + 8
n = 23
Answer: n = 23