Answer:
A
Step-by-step explanation:
Because the gravity of the earth
1. Radius = 4 cm
2. Diameter = 8 cm
4 x 2 = 8
3. Circumference = 25.12 cm
8 x 3.14 = 25.12
4. Area = 50.24 cm^2
3.14 x 4^2
3.14 x 16 = 50.24
5. Radius = 5 in
6. Diameter = 10 in
5 x 2 = 10
7. Circumference = 31.4 in
10 x 3.14 = 31.4
8. Area = 78.5 in^2
3.14 x 5^2
3.14 x 25 = 78.5
9. Radius = 8 mm
16/2 = 8
10. Diameter = 16 mm
11. Circumference = 50.24 mm
16 x 3.14 = 50.24
12. Area = 200.96 mm^2
3.14 x 8^2
3.14 x 64 = 200.96
13. Radius = 7.4 cm
14.8/2 = 7.4
14. Diameter = 14.8 cm
15. Circumference = 46.472 cm
14.8 x 3.14 = 46.472
16. Area = 178.1636 cm^2
3.14 x 7.4^2
3.14 x 56.74 = 178.1636
17. Area = 44 m^2
10 - 6 = 4
8 x 4 = 32
6 x 2 = 12
32 + 12 = 44
18. Area = 7.74 mm^2
6 x 6 = 36
6/2 = 3
3.14 x 3^2
3.14 x 9 = 28.26
36 - 28.26 = 7.74
Multiple the length and the width to find the area. 5.5 x 4.5 = 24.75. Then you do the same to the tile. 1 x 1 = 1. So each tile has an area of 1ft and we need to find how many tile we need to have to fill the 23.75 area of the rectangular room. 24.75/1 = 24.75
He will need 24.75 tile
Answer:
The side lengths are 9, 9 and 7.
Step-by-step explanation:
The sum of the 2 equal sides plus the shorter side is 25 ft.
Representing these unknowns:
2 sides are of length s, and the third (shortest) side is then s - 2.
Thus, s + s + (s - 2) = 25, or 3s = 27. Thus, s = 9 and s-2 = 7
The side lengths are 9, 9 and 7.
Answer:
z=(-3/2, -1/2) (Or z=(-1.5,-0.5) if they want decimals instead of fractions)
Step-by-step explanation:
7z²+8z+3-3z²=0
4z²+8z+3=0
(2z+3)(2z+1)=0
z=(-3/2, -1/2) (Or z=(-1.5,-0.5) if they want decimals instead of fractions)