9/2 or 4.5
hope this helps:)
the answer is supposed to be 132 at the most of a
for b it is 165
Answer:
Height = 5.6cm
Step-by-step explanation:
Area = 1/2bh
b = 10cm, area = 28cm^2
:- 28 = 1/2 × (10)h
28 = 5h
h = 28/5
h = 5.6cm
Answer:
1
Step-by-step explanation:
3x+5=8
Group like terms
3x=8-5
3x=3
Divide both side by the co-efficient of x which is 3
3x/3=3/3
x=1
Answer:
-11/2
Step-by-step explanation:
Put the numbers into the expression and do the arithmetic.
![11(-1)^{-3}2^{-1}=\dfrac{11}{(-1)^3}\cdot\dfrac{1}{2^1}=\dfrac{-11}{2}](https://tex.z-dn.net/?f=11%28-1%29%5E%7B-3%7D2%5E%7B-1%7D%3D%5Cdfrac%7B11%7D%7B%28-1%29%5E3%7D%5Ccdot%5Cdfrac%7B1%7D%7B2%5E1%7D%3D%5Cdfrac%7B-11%7D%7B2%7D)