9√2 is squared first.
so its 162.
now according to Pythagoras theorem,
x2+x2=162
2x^2= 162
x^2= 162÷2
x^2= 81
x= √81
x=9
She was given 12 quarters. When she had 6x as many quarters in her bank, she had 24 quarters in it. When she had 9x as many, she had 36 quarters in it. 36-24 is 12.
Answer:
Identify the sequence, hten use the formula to find the first term a1=2
Identify the sequence, then use if the formula to find the second term a3=-6
Step-by-step explanation:
Answer:
:<
Step-by-step explanation:
i really tried but its not the answer v-v
X = 60°
Hope this helps ;)