Answer:
The answer is x=2i√5,−2i√5
Answer: 36
Explanation: 36 is the smallest number divisible by both 12 and 18.
12x3 and 18x2 = 36
Answer:
12
Step-by-step explanation:
6 are striped which is half of them, the other half must be 6 then
6+6=12
Answer:
Step-by-step explanation:
square of 15 + square of x = square of 21
225 + square of x = 441
441 - 225 = 216
x = 216
Answer:
x=4
Step-by-step explanation:
since triangles are proportional by 2:1, then:
16/2=3x-4
8=3x-4
3x=12
x=4
