Y=a (x-h) ^ + k
so your parabola has an equation of:
y=a(x+2)^ -3
-2=a(5+2) ^ -3
-2=a(-3)^-3
-2=9a-3
adding them to both sides
1=9a
divide both sides:
1=9a
Divide both sides by 9:
a=1/9
the vertex form is:
y=(1/9)(x+2)^-3
The expanded form is:
y=(1/9)x^ + (4/9)x - (23/9)
Anw: E. (1/9)
Make an equation:
x= 16% x 50
x= 16 50
---- x ---- Cross Multiply
100 1
x= 16
------ = 8
Answer:
sum of interior angles of the octagon is 1080 degree
Step-by-step explanation:
forluma:
(n-2)*180 degree
since octagon has 8 sides
(8-2)*180 degree
6*180
1080 degree
Answer:
score = 63
Step-by-step explanation:
1. To write the proportion take the score of the test over the number of points and set it equal to the percent over 100
score 90
----------- = -----------
70 100
Using cross products
100 * score = 90*70
100 score = 6300
Divide by 100
100/100 * score = 6300/100
score = 63
He was wrong, you cannot make 10 coins by adding 32 coins to 28 coins. If you want to obtain 10 coins from 32 coins and 28 coins, you can subtract 28 coins from 32 coins.
This can be illustrated as follows:
32-28=10
