kaylin28
01.04.2021 •
Mathematics
8 + 6 − (8 ÷ 4) x 2 i need help
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Ответ:
10
Step-by-step explanation:
8 + 6 - (8 ÷ 4) × 2
8 + 6 - 2 × 2
8 + 6 - 4
14 - 4
10
Ответ:
10
Step-by-step explanation:
1 Add 88 to both sides.
4x=6+8
4x=6+8
2 Simplify 6+86+8 to 1414.
4x=14
4x=14
3 Divide both sides by 44.
x=\frac{14}{4}
x=
4
14
4 Simplify \frac{14}{4}
4
14
to \frac{7}{2}
2
7
.
x=\frac{7}{2}
x=
2
7
You're welcome :D
Ответ:
Diameter of the basketball = 9.4 inches
∴ Radius of the basketball = diameter ÷ 2 = 9.4 ÷ 2 = 4.7 inches
π = 3.14159
Surface area of the basketball is the surface area of the sphere = 4 π r² = 4 × 3.141 x 4.7² = 277.59 = 277.6 inches²