Is there important stuff I should know going into high school

2 answers:

7 0

Always get to class on time and take the short cuts. make friends with the teacher and never be absent for more than 5 days onther than that u should be good

tino4ka555 [31]3 years ago

4 0

Just be yourself:)) that's really the only important thing you should know

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If someone can help me figure out #6. Thanks

professor190 [17]

Answer: $(1,-\frac{3}{2})$

Step-by-step explanation:

To find the midpoint, you use the formula $midpoint=(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )$ .

The points are (-2,-1) and (4,-2).

$midpoint=(\frac{-2+4}{2} ,\frac{-1+(-2)}{2} )$ [add]

$midpoint=(\frac{2}{2} ,\frac{-3}{2} )$ [divide]

$midpoint=(1 ,\frac{-3}{2} )$

Now, we know the midpoint is $(1,-\frac{3}{2})$ .

3 0

4 years ago

What is a example of a system

BabaBlast [244]

The definition of a system is a set of rules, an arrangement of things, or a group of related things that work toward a common goal. An example of a system are the laws and procedures of a democratic government. An example of a system is the way someone organizes their closet.

4 0

3 years ago

Which transformation causes the described change in the graph of the function y = cos x? The transformation results in a horizon

Gala2k [10]

First lets look at our graph of y = cos x
***First picture***

Next lets look at a <span>vertical stretch.
***Second picture***

To vertically stretch y = cos x, we need to multiply cos by a number greater than 1. I am going to use 2.

Standard Form: y = cos x (Red Line)
Vertical Stretch: y = 2 cos x (Blue Line)

Lets look at a vertical shrink
***Third picture***

To create a vertical shrink, you multiply the cos by a number less than 1. I am going to use .5

</span>Standard Form: y = cos x (Red Line)
Vertical Shrink: y = .5 cos x (Green Line)

Now lets look at horizontal stretch.
***Forth picture.***

To create a horizontal stretch, you multiply the x by a value less than 1. I am going to use .5

Standard Form: y = cos x (Red Line)
Vertical Stretch: y = .5 cos x (Orange Line)

Finally, to create a horizontal shrink, you multiply the x by a value greater than 1. I am going to use 2.
***Fifth picture.***

Standard Form: y = cos x (Red Line)
Vertical Shrink: y = 2 cos x (Purple Line)