Answer:
She should have used One-half (9.4) (11.9) to represent the area of a single triangle
Step-by-step explanation:
The pyramid is composed by 4 triangles and 1 square
area of the square: base² = 9.4²
area of each triangle = 1/2*base*height = 1/2*9.4*11.9
surface area of the pyramid = 4*area of each triangle + area of the square = 4*(1/2*9.4*11.9) + 9.4²
52 weeks
365 days
7days a week
91 days divided by 7 equals
13 weeks
Answer:
+ 8/5
Step-by-step explanation:
Reciprocal is flip
Take the negative flip
- ( - 1 /(5/8))
+ 8/5
Answer:
14x+5=105
14x=105-5
14x=100
x=7.14285714286
Step-by-step explanation:
Answer:
-10
Step-by-step explanation:
4+-5 is the same as 4-5 =-1
7--3 is the same as 7+3 =10
-1 * 10 = -10