Answer:
none of them
Step-by-step explanation:
plug it into desmos, and none of them pass through the points
7th grade: 62/120 of the class is made up of girls; (120-62)/120 of boys.
8th grade: 58/120 of the class is made up of boys; (120-58)/120 of girls.
Looking at the info for boys only: Compare (120-62)/120 with 58/120. What do you see?
Assuming There is ONLY ONE CORRECT ANSWER,
The probability of her guessing the answer without ruling out the choices is 1/5.
if 3 choices are ruled out, then 1 out of the remaining two is right, which gives the probability 1/2
now, 1/5 = 20% , while 1/2 = 50%.
Therefore her probability of getting the correct answer improves by 30% [ not much in a REAL test though :P ]
Answer:
Step-by-step explanation:
Given:
Make the power of '10' equal by shifting the decimal place of any one value.
Taking the '
' common
Adding the values in the bracket gives:
Answer:
all real numbers greater than or equal to -3
Explanation
The curve goes till -3 on the y axis
