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Len [333]
3 years ago
14

(a + b - c)(a + b + c)

Mathematics
1 answer:
faltersainse [42]3 years ago
5 0

Answer:

THE ANSWER IS ON THIS PICTURE

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You randomly choose two bills from your wallet. What is the probability that they are both $20 bills. There are two 20's, one 10
Softa [21]

Answer:

2/6 or 33.33%

Explanation:

There are 6 numbers all together and 2 of them are 20$.As a fraction this would look like 2/6. 2/6 is also 33.33% of the wallet and its also the probability of pulling out a $20 bill

7 0
3 years ago
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When one company is hired to design, construct, and test a production facility for a client, the arrangement is called ________.
svlad2 [7]

Answer:

The answer is: "Key in hand" or "Turnkey contract".

Step-by-step explanation:

These are the names that receive the type of projects in which the builder assumes the execution of the work as a whole, from the phase of basic engineering, detail, management of purchases and subcontracts, purchase of materials and equipment to the supervision of the Work and setup. The client receives the facility ready to be used, just as when you buy a new car and you receive the key to take it out from the dealership.

8 0
4 years ago
Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (–
ExtremeBDS [4]
-( 1 -i ) + (21 + 5i)
3 0
3 years ago
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In a 30° - 60° - 90° triangle, the longer leg is which of the following?
svetlana [45]
In the triangle...the length of the longer side is tan 60 multiply by the shorter leg. Tan 60 = sq root 3...thus
Longer side = sq root 3 times the length of the shorter leg
3 0
4 years ago
Solve 25 = 5x − 4.<br><br> one half<br> 2<br> 4<br> 6
Basile [38]

Answer:

29/5 =x

Step-by-step explanation:

25 = 5x − 4

Add 4 to each side

25+4 = 5x − 4+4

29 = 5x

Divide each side by 5

29/5 = 5x/5

29/5 =x

4 0
3 years ago
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