In November 2024
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In a plant nursery, the owner thinks that the length of seedlings in a box sprayed with a new kind of fertilizer has an average height of 26 cm after three days and a standard deviation of 10 cm. One researcher randomly selected 80 such seedlings and calculated the mean height to be 20 cm. Use a=0.05 to test out whether what the plant nursery owner thinks us correct or not.
- How do the tenets of the theory apply to global warming?
You will prepare an essay/photo essay talking about the activities that you do in a typical day. You must choose 12 activities that you do in a day's time (using vocabulary from this unit or previous units). You will talk about how frequently or on what days you do these activities, with whom, where, and if possible, why. You need to have pictures of the activities. They do not have to be pictures of yourself doing them--they can be clip-art. Your essay will be comprised of captions in French about the activities you choose. Each caption must have at least four sentences and each sentence must have at least 4 words. This project is to be done in French.
- 12 activities represented in pictures of activities you do in a typical day
- how frequently you do those activities
- on what day you do those activities
- with whom you do these activities
- where you do these activities (at school, at home, etc.)
- if possible, why you do these activities
Show that the additive inverse, or negative, of an even number is an even number using a direct proof
A 60N motor winds a cable around a drum. (I) If the cable lifts a 3-ton load of bricks to a height of 12cm in 5 sec, calculate the efficiency of the motor. (II) At what rate is work done against friction?
Use a direct proof to show that the sum of two odd integers is even
A spacecraft takes 200 km after being launched to reach the escape speed from the earth of 11.2km/s. Find the average acceleration in terms of g
Write the lewis structure for the ozone molecule, O3
a. The skeletal structure is
b. Draw the lewis structure
Write the lewis structure for the ozone molecule, O3
The difference of a number and 6 is the same as 5 times the sum of the number and 2. What is the number?
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