Answer:
Step-by-step explanation:
12a)To rationalize the denominator, multiply the denominator and numerator by √5.
b) (a+b)² = a² + 2ab + b²
(1 +√3)² = 1² + 2*1*√3 + (√3)²
= 1 + 2√3 + 3
= 4 + 2√3
a = 4 ; b =2
13) (a + b)(a - b) = a² - b²
The combined total of their contracts is $1,296,250
<h3>How to determine the combined total?</h3>
The values of the contracts are given as:
- Exxon Mobil= $756,733
- Aerospace = $539,517
The combined total is represented as:
Total = Exxon Mobil + Aerospace
Substitute known values
Total = $756,733 + $539,517
Evaluate the sum
Total = $1,296,250
Hence, the combined total of their contracts is $1,296,250
Read more about sum and total at:
brainly.com/question/4916384
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Capacity of the pool = 30 x 20 x 5 = 3000 ft³
Amount of water already filled = 30 x 20 x 4 = 2400 ft²
Amount of water needed to full the pool = 3000 - 2400 = 600 ft²
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Answer: 600 ft² of water is needed to fill up the pool.
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Answer:
I agree with all of them
Step-by-step explanation:
they are all connected mathematically (I used 3.14 I hope that the right idea)
I think answer should be the last option please give me brainlest let me know if it’s correct or not okay thanks bye
