Bec

A line has a gradient of 3 and passes through the point (-3,3). its y intercept is a)0 b)3 c)6 d)9 or e) 12

In a class of 50 students, 36 students have a sandwich in their lunch box and 23 students have a piece of fruit and 7 have neither. Fill in a Venn diagram to represent this situation

You catch and tag 100 fish from a lake and release them unharmed. The next day you return and catch 100 fish again, but only 20 of them are tagged. Estimate the total number of fish in the lake.

you roll 2 dice. what is the probability that at least one of them is a 6.

The whole class averaged 12 on their assignments with astandard deviation of 3. If Jade averaged 6, then her z- score was

How do you work out the question 24ax^2+18ax-105a.

The speed of propagation of the action potential (an electrical signal) in a nerve cell depends (inversely) on the diameter of the axon (nerve fiber). If the nerve cell connecting the spinal cord to your feet is 0.97 m long, and the nerve impulse speed is...

I have this question, don't know where to start! The total length of ropes a,b and c is 270cm. Rope a is 20cm longer than rope c, but 50cm shorter than rope b. What is the length of rope b? Have tried dividing 270 by 3 giving 90, then just moving figures...

(11.60, 15.40)

"It's best to analyze related samples by conducting hypothesis tests on the mean from the first and the second groups, in that order" is not true, so the answer is D III only On the second all of them except the samples being analyzed separately are true...

0.000840192