Answer:
1). 8r + 7t
2). -48r² - 128rt + 20t²
3). 8r + 8t
NOTE: These are the most simplified form of each equation given, these might or might not me given in the answer choices, however these are correct.
Step-by-step explanation:
You just have to combine the similar values for each equation.
Hope this helps, good luck!
Answer:
26 units.
Step-by-step explanation:
AB + BC + AC = AC + AD + DC + 4
AC is common so
AB + BC = AD + DC + 4
AB + BC - AD - DC = 4
Substituting the given values
AB + 7 - 5 - 6 = 4
AB = 4 - 7 + 5 + 6 = 8
So the perimeter of ABCD
= AB + BC + AD + CD
= 8 + 7 + 5 + 6
= 26.
Answerd:
Step-by-step explanation:
Answer:
B) 4 square root 80^x
Step-by-step explanation:
So, we can write 8 as 23.