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Answer: 10n^2 - 10
Step-by-step explanation:
(5n - 5)(2+2n) becomes (5n-5)(2n+2)
= (5n)(2n) + (5n)(2) + (-5)(2n) + (-5)(2)
= 10n^2 - 10
<u>Answer:</u>
4.5 foot is needed for a unit dozen bird house
<u>Explanation:</u>
Given Tina saw ¾ foot of wooden trim is being used for first 1/6 dozen bird houses
Therefore, we can write as,4
1/6 dozen = ¾ foot
For 1 dozen bird houses, we have to use the unitary method
1/6 dozen = ¾ foot
Therefore, 1 dozen or unit dozen = ![\frac{\frac{3}{4}}{\frac{1}{6}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cfrac%7B3%7D%7B4%7D%7D%7B%5Cfrac%7B1%7D%7B6%7D%7D)
1 dozen = ¾ * 6 =
foot = 4.5 foot
Therefore, 4.5 foot is needed for a unit dozen bird house
The neq coordinates would be -8,8 and 8,-8
Answer:
Area ≈ 50 cm²
Circumference ≈ 25 cm
Diameter ≈ 8 cm
Radius ≈ 4 cm
Step-by-step explanation:
Area:
Formula = πr²
Area = 3.14 * (4*4)
Area = 3.14 * 16 ≈ 50 cm²
Circumference:
Formula = 2πr
Circumference = 2 * 3.14 * 4
Circumference = 8 * 3.14 ≈ 25 cm
Diameter:
Diameter is the distance of the line that goes through the center of the circle and touches areas of the circumference.
It is given as 8 cm
Radius:
Formula = 1/2d
D = 8
1/2 8 = 4 cm
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-Chetan K