Answer:
f(x) = 2x² - 8x - 10.
This is a parabola open upward (since a>0) with an axis of symmetry = -b/2a:
a) axis of symmetry: x = -(-8)/(2*2) = 8/4 = 2. Then x = 2, which is the x component of the vertex
b) for x = 2, f(x) = f(2) = - 18 (component of y of the vertex)
c) VERTEX(2, - 18)
d) DISCRIMINENT: b² - 4.a.c = 64 - 4*2*(-10) = 144
Hope this helps! :)
B, because when the organism divides the cells become specialized and continue to divide.
<h2>
Answer:</h2>
<h2>
cos theta= adjacent side/ hypotenuse</h2><h2 /><h2>
cos theta= adjacent side/ hypotenusecos 36= x/8</h2><h2 /><h2>
cos theta= adjacent side/ hypotenusecos 36= x/8√5+1/4 = x/8</h2><h2 /><h2>
cos theta= adjacent side/ hypotenuse </h2>
cos 36= x/8√5+1/4 = x/8
4.7 is the approximate answer
Answer:
Step-by-step explanation:
5= 31(x +7)
5= 31x + 217
5 - 217 = 31x + 217 - 217
212 = 31x
212/31 = 31x/31
212 = x
x= 212
Let's assume
number of shorts is x
we are given
People bought 2 times as many T-shirts as shorts
so, number of T-shirts is 2*x=2x
Dots sells T-shirts ($3) and shorts ($7)
so, total price of T-shirts 
so, total price of shorts 
now, we are given
total sales were $520
so,
total price of T-shirts+total price of shorts = total sales
we will get equation
now, we can solve for x
so,
number of shorts is 40
number of T-shirts is 2*40=80............Answer
