3 years ago

Evaluate 4 M-n if m= -7 and n = 5.

Mathematics

1 answer:

Svetradugi [14.3K]3 years ago

4 0

Answer: -12

Step-by-step explanation: because -7- 5= -12

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Answer: $0.3 ; $1.05

Step-by-step explanation:

Price of candy = $0.75

Mark up = 40% = 40/100 = 0.4

(a) Amount of the markup = Price × Mark up percent = $0.75 × 0.4 = $0.3

(b) Amount charged by the concession stand for each candy bar will be:

Price of candy + Mark up amount

= $0.75 + $0.30

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Step-by-step explanation:

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Answer:

$Length=9.6 cm\\\\Width=4.8 cm$

Step-by-step explanation:

Length=2*Width

L=2*W

Perimeter=28.8 cm

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$28.8=2(2W+W)\\\\28.8=2(3W)\\\\3W=28.8/2\\\\3W=14.4\\\\W=14.4/3\\\\W=4.8 cm\\\\$

$Length=2*Width\\\\=2*4.8\\\\=9.6 cm\\\\$

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