4 years ago

- The lengths (in feet) of the sides of a pentagon can be represented by these

Mathematics

1 answer:

olganol [36]4 years ago

8 0

Answer:

9a+12

Step-by-step explanation:

The perimeter is the sum of the side lengths, so is ...

6a + a + 4 + 8 + 2a

= a(6 +1 +2) + (4 +8)

= 9a +12

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omeli [17]

Answer:

Step-by-step explanation:

find the slope

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take a coordinate to fill in

$(-5,4)\\y=-5\\x=4\\-5=2(4)+b\\-5=8+b-8 -8\\-13=b\\$

this means that the equation is y=2x-13

and if you add m and b

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3 years ago

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3 years ago

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7nadin3 [17]

28°

a triangle = 180°
180°-140°= 40°
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3 years ago

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nordsb [41]

Answer: multiple them all together or add them

Step-by-step explanation:

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3 years ago

Factor out a negative 1 from each expression. - 4 - (5 + 3)

ddd [48]

Answer:

-12

Step-by-step explanation:

-4-(5+3)

-4-(8)

-4-8

-12

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3 years ago