X²+20-20=4-20
x²=-16
Take the square roots of each side: x=the square root of -16
You cannot do this so there is no solution
However, I'm not perfectly sure, so wait for other answers just in case
About 16.57, if it is rounded two decimal places
Answer: C
Step-by-step explanation:
the normal distribution is symmetric about its mean.
so answer c) must be true.
Answer: Assuming you mean that the original cost was doubled and now equals $60, the camera costed $30. Assuming the camera's price has been doubled from $60, it is $120. The wording is a bit unclear, so I'm giving you both answers.
Step-by-step explanation: To find half of the price of $60, simply divide it by 2, which gives you $30.
Answer: 86 and 4
Step-by-step explanation:
Hopefully this is the right answer!