I'm not sure you finished the question because there isn't an x there but I simplified it in case that's what you wanted
2 + 6 = 8
4 - 3 = 1
8(1) = 8
8 = 8
Sorry i dont speak this language
Assume the diagonal line is "d", the rectangle width "w" and the length "l"
d^2 = w^2 + l^2
d^2 = 12^2 + 16^2
d^2 = 144 + 256 = 400
d =√400=20 inches
Answer:
x ∉ R
Step-by-step explanation:
x² = - 21
if x² < 0 => x ∉ R
Step-by-step explanation:
I'm sorry if my terminology isn't correct because I've learnt it slightly differently, but what I'm assuming is this:
For A, you can rewrite the integers as 28-15+22 as a + and a - next to each other result in a subtraction.
For B, you simply do 15+22 is 37 and 28-37 is -9 due to BIDMAS (or PEDMAS if you're American).