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kozerog [31]
3 years ago
13

Number 5 need answers please

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0

Answer:

13

Step-by-step explanation:

when the signs are equal or same the result is positive

(-)*(-)= (+)

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4 years ago
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........................
Alex73 [517]

Answer:

d= 90 degrees

e= 99 degrees

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