2. opposite reciprocal
3. domain
4. range
7. solution
8. root and zero
not 100% sure on 7,8,9
Answer:
B. 5
Step-by-step explanation:
7.7 km is equal to 4.78456 miles, if you round, you will get 5
The answer is 3. 20/2=10 10-7=3
Answer:
See below in bold.
Step-by-step explanation:
The formula is Tn = n(n + 1) / 2
The first triangular number is 1(1+1) / 2 = 2/2 = 1.
So the 15th = 15(15+1) / 2 = 120.
and the 19th = (19 * 20) / 2 = 190.
Answer:
p=5
Step-by-step explanation:
3p-7+p=13
Add like terms.
3p+p-7=13
4p-7=13
Add 7 to both sides.
4p-7+7=13+7
4p=20
Divide 4 from both sides.
=
p=5
Hope this helps!
If not, I am sorry.
