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Black_prince [1.1K]
3 years ago
10

Check me please ( brainlyest answer )

Mathematics
2 answers:
Tpy6a [65]3 years ago
6 0
Here are the answers:
1.  6+1+2+4+4+5=22.

Correct

2. 1 cm=5 ft. 6*5=30(2 times). 1*5=5. 2*5=10. 4*5=20(2 times). 

30+30+5+10+20+20=115.

Wrong.
drek231 [11]3 years ago
5 0
Your answer to the first one is incorrect.

We can cut the plan into two figures, a rectangle with side lengths of 4 cm and 5 cm and a rectangle with side lengths of 1 and 2 cm.

Perimeter of a Rectangle:

P = 2(l + w)

P = 2(4 + 5)

P = 2(9)

P = 18

Perimeter of a Rectangle:

P = 2(l + w)

P = 2(2 + 1)

P = 2(3)

P = 6

Add up the perimeters:

18 + 6 = 24

So the total perimeter is 24.

For the 2nd one, your answer is also incorrect.

We multiply 5 to the perimeter of the plans:

5 * 24 = 120

Not sure what the third one is asking.

For the fourth one we just multiply 'k' to the perimeter:

24 * k = 24k
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