Area Y Square + Area of triangle
= 10x10+1/2x18x5
=100+9x5
=100+45
=145.
Answer:
The type of sample that can be considered unreliable is type (a), in which responses are voluntary.
Step-by-step explanation:
The type of sample that can be considered unreliable is type (a), in which responses are voluntary.
It can be considered unreliable because being voluntary, the answers will give a biased result and the analysis will not be valid.
The rest of the options, if the necessary collections are taken, are samples that can be considered reliable.
Answer:
the 2.5 cup
Step-by-step explanation:
0.89÷2=0.445
1.10÷2.5=0.44
1.75÷3.5=0.5
false.No
Step-by-step explanation:
15x+18y=16
(8,2)
15(8)+18(2)=16
120+36=16
156=16
false
Answer:
x ≈ 46.7°
Step-by-step explanation:
Using the sine ratio in the right triangle
sin x = 
= 
= 
, then
x = 
( ) ≈ 46.7° ( to the nearest tenth )
