I'm not completely positive but I believe this is how you do it.
7d=4d+21
7d - 4d = 21
3d = 21
3d / 3 = 21 / 3
d = 7
3 1/2 pounds of pecans
for $3.20 per pound
and 5 1/2 pounds of peanuts. What was the
price per pound for the peanuts George
purchased?
1.) (x+4)³
2.) (x-4)³
3.) (7m-3n)³
4.) (3xy+1)
Factoring:Factor the ff. Trinomials
1.) 6m³-9m²
2.) 6m²-12mn²+3n
Factor the difference of two square
1.) 9x²-25y²
2.)36x²-49y²
3.)32m²-98n²
4.)36p²-25
Answer:
$65
Step-by-step explanation:
5x13= 65
Answer:
D : - 2
Step-by-step explanation:
using the rule of radicals
• = ×
given
2 - 4
simplifying the radicals
=
= ×
= 3
=
= ×
= 2
Then
2 - 4
= 2(3 ) - 4(2 )
= 6 - 8
= - 2