Answer: There are 495 possible different sets of answers the could contain exactly 8 correct answers of false.
Basically, we are looking for the number of different ways of selecting 8 objects out of a set of 12 objects. Our objects are answers of false and the set is the test.
This is a combination problem. The formula would be:
12! / (8! x 4!) = 495
Answer:
In six minutes, the giant anteater would have flicked its tongue 900 times.
Step-by-step explanation:
Knowing the rate at which the anteater flicks its tongue per minute, you just have to multiply the rate by six.
150×6=900
Hey, you didn’t add the options or following expressions. Can you add them in the comments so I can try and help you out?
Answer:
x=1
Step-by-step explanation:
we know the x-intercept of the line is 1, recall that an x-intercept is when the graph intercepts or touches the x-axis, and when that happens, y = 0, so the point is really x = 1, y = 0, namely (1,0). We also know another point on the line, is (-2, 9).
