Answer:
0.6625
Step-by-step explanation:
To find the surface area, calculate the area of each shape and add it together, A pyramid has 1 square and 4 triangles in its net,
Area of square is A=s*s=0.25*0.25=0.0625.
Area of a triangle is A= 1/2 b*h = 1/2 (0.25)(1.2) = 0.15.
There are four equal triangles so together there area is 4*0.15 = 0.60.
Add the square to it and you have the surface area of the pyramid.
0.0625 + 0.60 = 0.6625
Answer:
b=30/2=15
peri= 90
Step-by-step explanation:
The side corresponding to AC is ~
Answer:
No, it would be usual
Step-by-step explanation:
The mean will be
Standard deviation
The confidence level will be mean±2*standard deviation
Confidence level= 544±2*13.2=544±26.6 hence 517.6 or 570.4
Getting 556 consumers who recognize the Dull Computer Company name won't be unusual because it's within limits
-10-15= -25
-3+(-5) - positive sign and negative sign = negative sign
-3-5= -8
-5x - 2y² + 1
Use the substitution method
-5(4)-2(-2)^2+1
(-2)(-2)= 4
-20-8+1= -28+1
= -27
Answers :
-10-15= -25
-3+(-5)=-8
-5x - 2y² + 1= -27