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MrRissso [65]
3 years ago
12

5m + 9n if m = -7 and n = 4

Mathematics
2 answers:
dusya [7]3 years ago
8 0

Answer:

1

Step-by-step explanation:

5m + 9n

5(-7) + 9(4)

-35 + 36

1

HACTEHA [7]3 years ago
3 0

Answer:

1

Step-by-step explanation:

5m + 9n

Plug in the numbers

5(-7) + 9(4)

Multiply

- 35 + 36

Solve.

36-35=1

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The service charge rate are: Help desks $50 per call, Network center $75 per device monitored, Electronic mail $10 per user or per e-mail account, Local voice support $14 per phone extension.

<h3>Service charge rate</h3>

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Electronic mail:

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Help desk charge:

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Therefore the service charge rate are: Help desks $50 per call, Network center $75 per device monitored, Electronic mail $10 per user or per e-mail account, Local voice support $14 per phone extension.

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