6n + 8 and 2(3n + 4) Are the two expressions equivalent
2 answers:
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Answer:
- 84 + 10i
Step-by-step explanation:
A complex number in standard form is a ± bi
a is the real part and bi the imaginary part
and = i
Given
- 84
= - 84
= ×
- 84
= 10i - 84
= - 84 + 10i ← in standard form
Answer:
<h3>The answer is 134.29 m</h3>Step-by-step explanation:
First of all we need to convert 14.0 acres to m²
1.00 acre = 4046.86 m²
14.0 acres = 14 × 4046.86 = 56656.04 m²
Area of a circle = πr²
where
r is the radius
To find the radius substitute the value for the area into the above formula and solve for the radius
That's
Divide both sides by π
We have
Find the square root of both sides
r = 134.29139
r = 134.29 m to 2 decimal places
Hope this helps you