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mojhsa [17]
3 years ago
12

How many elements are in matrix 7? Answer 25

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

Answer:

25

Step-by-step explanation:

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Solve and check the following equation algebraically. 1/2(x + 32) = -10
ANTONII [103]
Solve :
1/2(x + 32) = -10....multiply both sides by 2
x + 32 = -10 * 2
x + 32 = -20
x = -20 - 32
x = - 52 <===

check :
1/2(x + 32) = -10.....when x = -52
1/2(-52 + 32) = -10
1/2(-20) = -10
-20/2 = -10
-10 = -10 (correct)

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