2 answers:
Answer:
Perimeter = (lenght×2) + (width×2)
Perimeter = (2.5n×2) + (2×(4n+5))
Perimeter = 5n + 8n + 10
Perimeter = 13n + 10
The Answer is D
Answer:
13n+10
Step-by-step explanation:
The formula for perimeter of rectangle = 2*(L+B)
L = 4n+5
B = 2.5n
Perimeter = 2 * (4n + 5 + 2.5n)
Perimeter = 2 * (6.5n + 5)
Perimeter = 13n + 10
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Step-by-step explanation:
3/5 x 3 = 9/5 or 1 4/5
I think it is 30%. Remember I am not sure
Answer:
6*17
6*7=42
6*17=42
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6*17=42+60
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Step-by-step explanation:
With the number set: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, what is the probability of choosing an even number?
lilavasa [31]
Answer:
=7
Step-by-step explanation:
sum of all no÷total no
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=91 ÷ 13
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120 + 120 + X + X = 360
240 + 2X = 360
2X = 120
X = 60
