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klemol [59]
4 years ago
14

What is an expression

Mathematics
1 answer:
FinnZ [79.3K]4 years ago
3 0

Answer:

An expression is a sentence with a minimum of two numbers and at least one math operation. 

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Need help on geometry!!!
aleksandr82 [10.1K]

Answer:

15. a,    16. ∠GOH = 26

Step-by-step explanation:

15. A straight angle looks as a line.

16. ∠GOI = ∠GOH + ∠HOI

47 = ∠GOH + 21

∠GOH = 47 - 21 =26

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4 years ago
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What is the sum of 12 – 5i and –3 + 4i?
Jobisdone [24]

Answer:

B. 9 - i

Step-by-step explanation:

Combine the real and imaginary parts in numbers 12 - 5i and -3 + 4i

(12 + 5i) + (-3 + 4i)

12 - 3 + (-5 + 4)i

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9 + (-i)

9 - i

5 0
3 years ago
Can someone help me with number 1?
prohojiy [21]

Answer:

a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal figure.

Step-by-step explanation:

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juin [17]

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Step-by-step explanation:

just yea its c easy

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