Answer:
7
Step-by-step explanation:
7-4=3
5×3=15
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The given two polygons are similar to one another ~
Sides of the given polygons are in ratio of :

to put in simple Ratio ~

So, the sides of the larger polygon are :
Now, to find the Perimeter of larger polygon ~ add the side length of all sides :


<span>It's 1/r!
nCr = n! / r!(n-r)!
nPr = n! / (n-r)!
If you divide the two you'd have:
n! / r! (n-r)! * (n-r)! / n! = 1/r!
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Answer:
The total number of students on the bus if there are 15 females and n males
Step-by-step explanation:
The total number usually means addition, as well as 15 females + n males would give you the total
Answer:
2x + y
Step-by-step explanation:
x² + xy - y² = 4
→ Remember the rule, bring the power down then minus 1
2x + y