Im not too good at maths but I'd say its 3x3= area is 9cm
Answer:
65 miles per hour
Step-by-step explanation:
325 divided by 5= 65
Simple...
you have: 6a+3b-8
a=4 and b=5
Plug in what you know-->>
6(4)+3(5)-8
24+15-8
39-8
31
Thus, your answer.
Answer:
The hat weight = 81.166 g
Step-by-step explanation:
∵The figure formed by a rectangle and two identical semi-circle
∵ The length of the rectangle = 52 cm = 0.52 m
∴ The length of the two diameter = 52 cm = 0.52 m
∴ The radius of the semi-circle = 52 ÷ 4 = 13 cm = 0.13 m
∴ The width of the rectangle = 36 - 13 = 23 cm = 0.23 m
∴ The area of the rectangle = 0.52 × 0.23 = 0.1196 m²
∴ The area of the semi-circles = π (0.13)² = 0.0531 m²
∴ The area of the hat = 0.1196 + 0.0531 = 0.17269292 m²
∵ 1 m² = 470 g
∴ The weight of the hat = 0.17269292 × 470 = 81.16567 ≅ 81.166 g
Answer:
The Answer for 19 is x+y=38.
The Answer for 20 is 2x+5y=100.
