Answer:
X = 20
Step-by-step explanation:
when you have an angle that looks like an X shape the angles opposite each other are always equal. knowing this we now know that angle 5x must equal 100
so just make X the subject of the formula and solve, like shown bellow



About 15 because 9 times 5 = 45 reminder 3 than you add 3 times 5 = 15
Answer:
16
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
The only integer whose square is between 30 and 40 is 6.
30 < x^2 < 40.