Answer:
11
Step-by-step explanation:
Math
Answer:
1 in 15 chance
Step-by-step explanation:
There are 3 character which gives you a 1 in 3 chance of being an elf.
There are 5 defense tools which gives you a 1 in 5 chance of getting magic.
3×5=15 which gives you a 1 in 15 chance of being a magic elf.
My answer is 38 students
( 22 students take one or both subjects)
The answer is 63 cm bc 30 60 90 triangles have a rule where the short leg is x longer is x√3 and the hypotenuse is x2
you can see this if you imagine the triangle as equilateral then cutting it in half
Answer:
C & D
Step-by-step explanation:
x² + 3x - 3 = 0
a = co efficient of x² = 1
b= co efficient of x = 3
c = constant = -3
roots = (-b ± 
)/2a
= (-3±![\sqrt{3^{2}-4*1*[-3]}](https://tex.z-dn.net/?f=%5Csqrt%7B3%5E%7B2%7D-4%2A1%2A%5B-3%5D%7D)
)/2*1
= (-3±
)/2
= (-3±√21)/2
