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topjm [15]
3 years ago
12

Evaluate the expression. 7 + (- 12)

Mathematics
2 answers:
victus00 [196]3 years ago
3 0

your answer is -5, i believe

Vedmedyk [2.9K]3 years ago
3 0

First of all u must multiply the signs

As it is know that (-) *(+)= (-)

7-12= - 5

Answer is (- 5 )

sign minus because 12 > 5

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Read 2 more answers
5y x (-8) <br><br> Plz explain also how you got that answer
harkovskaia [24]

Multiply 5 and y

Multiply 1 and y

The y just gets copied along.y

Differentiate yx with respect to x.

Apply the "power rule" to x (the derivative of xn=nxn-1) giving 1

Multiply 5 and y

Multiply 1 and y (-8)

 The answer is 5y

The final answer 5xy

hope this will help u :)

sorry if there is any mistakes.. ;)

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