Answer:
42 units
Step-by-step explanation:
Lengths:
(-2,6)(6,6)
6 - -2 = 8
(1,-6)(-7,-6)
1 - - 7 = 8
(6,6)(1,-6)
sqrt[(-6-6)² + (1-6)²]
sqrt(169) = 13.
(-2,6)(-7,-6)
sqrt[(-6-6)² + (-7--2)²]
sqrt(169) = 13
Perimeter = 8 + 8 + 13 + 13
42 units
The range of communication is about 55 meters.
Answer:
123
Step-by-step explanation:
BODMAS
1.multiply 20 by 2
2.20 ×2
3. 40+22+40+20+43=123
a)
30.65^2/(2*5.15)=91.2061
d=91.2061
b)i)90
ii) Mathswatch is critical of anything apart from it's system so I dont know what the answer is for this one
Answer:
If you have a die that has 6 sides the expected value of the number rolled is 3.5.
Explanation:
<em>Well 6 divided by 2 is 3 but when you add .5 to 3 it is </em><em>3.5 </em><em>and that makes it even. So the answer is </em><em>3.5</em>