3 years ago

10 points and Brainly to who gets it right first

Mathematics

1 answer:

8_murik_8 [283]3 years ago

5 0

Answer:

A.9

F.27

Step-by-step explanation:

how i got 9 is by counting by 9 and i count 27,and 54

additional 27 times 2= 54

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-15=-4m+5<br><br>8n+7=31<br><br>-10=10(k-9)

Korolek [52]

$-15=-4m+5\ \ \ |both\ sides\ /+4m\\\\4m-15=5\ \ \ \ |both\ sides\ /+15\\\\4m=20\ \ \ \ |both\ sides\ /:4\\\\\underline{\underline{m=5}}$

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$8n+7=31\ \ \ \ |both\ sides\ /-7\\\\8n=24\ \ \ \ |both\ sides\ /:8\\\\\underline{\underline{n=3}}$

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$10(k-9)=-10\ \ \ \ |both\ sides\ /:10\\\\k-9=-1\ \ \ \ |both\ sides\ /+9\\\\\underline{\underline{k=8}}$

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2 years ago

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2 years ago

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Galina-37 [17]

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2 years ago

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melisa1 [442]

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3 years ago

The distance between two cities on a map is 5.5 centimeters. The map uses a scale in which 1 centimeter represents 15 kilometers

sertanlavr [38]

Answer:

82.5 kilometers

Step-by-step explanation:

15×5.5= 82.5 kilometers

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