Answer:
16
Step-by-step explanation:
Let the unknown number be x
2x - 7 = 9
2x = 9 + 7
2x = 16
2x÷2 = 16÷2
x = 8
8x2
=16
The 99 percent confidence interval for the population mean is found from:


The answer is:
Answer:
3 + x
the difference of x and 8
Step-by-step explanation:
u need a number, a varible(letter), and a [+, -, /, x(*)]
Answer:3Y+6=12
3(2)+6=12
Step-by-step explanation:Because 3 + 3 is 6 So That means that you repeat the pattern 4 times 3 Times 4 equals 12
Answer:
300 bears left
Step-by-step explanation:
400 x 0.05 is 20. 20 is how many will be gone in one year. 20 x 5 is 100. 100 is how many will be gone in 5 years.
400 - 100 is 300. Hope this helps, please tell me if i am wrong