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mrs_skeptik [129]
3 years ago
10

7m + 3mn when m = 3 and n = -4

Mathematics
2 answers:
nadya68 [22]3 years ago
4 0

Answer:

-15

Step-by-step explanation:

When m=3 and n=-4

So, put the values

7(3)+3(3)(-4)

-> -15

shutvik [7]3 years ago
4 0

Answer:

-15

Step-by-step explanation:

= 7(3) + 3(3)(-4)

= 21 + 3(3×-4)

= 21 + 3(-12)

= 21 + -36

= 21-36

= -15

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Answer:

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If you rolled a fair number cube 1-6, 12 times, about how many times would you expect to roll a 5 or a 6?
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8 0
3 years ago
What percent of 80 is 25
JulsSmile [24]

Answer: 31.25%

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So we have "what percent" that's x, "of 80" means times 80, "is 25" = 25.

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8 0
3 years ago
If a current of 12 amps produces 480 volts across a resistor then how many volts does a 15 amp produce?​
LekaFEV [45]

Answer:

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Step-by-step explanation:

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