Answer:
= 5 ( 12d + 23f )
Step-by-step explanation:
-2(5d-9f)+7f-10(-9f-7d
Open parenthesis
= -10d + 18f + 7f + 90f + 70d
Collect like terms
= -10d + 70d + 18f + 7f + 90f
= 60d + 115f
Factorise
= 5 ( 12d + 23f )
Therefore,
-2(5d-9f)+7f-10(-9f-7d) in its simplest form is 5 ( 12d + 23f )
Answer:
b
c
a
d
Step-by-step explanation:
sum=addition
difference=subtraction
groups=hints multiplication
split into=division
Answer: -5 < x + 1 < 3
Step-by-step explanation:
Let x be the number.
-5 < x + 1 < 3
3p=pe^tr,,3=e^0.04t ,,then use log to find t
Answer:
one thousandth is greater than 0.061
Step-by-step explanation: