Answer:
<h3>6) (-1,5) , (1,-5) </h3>
Step-by-step explanation:
The answer for this question is 822
Answer:
x=-20/7 or -2.857
Step-by-step explanation:
bring like terms together in each side of the = side
then work the out
Answer:
The value is
Step-by-step explanation:
From the question we are told that
The null hypothesis is
The level of significance is
From the z table the critical value of considering the two tails of the normal curve( This is because this a two tailed test ) is
Hence the critical value is
<span>483 / 322 = 1.5. $1.5 is the cost for one button. Hope this helps. :)</span>