For this Q:
mean=31
st.dev.=0.8
x=32
Calculate z-score:
z=(x-m)/s = (32-31)/0.8=1.25
This z-score value corresponding to the probability of 0.8944
<span />
Answer:
I believe Henrey is wrong
Step-by-step explanation:
because the roots of the quadratic function are
<em>"</em><em>(</em><em>x</em><em>=</em><em> </em><em>3</em><em>/</em><em>4</em><em>,</em><em> </em><em>-</em><em>2</em><em>)</em><em>.</em><em>"</em>
17) 388 in^2
18) 585 in^2
19) 960 ft^2
*fyi- ^2 means squared just in case you didn’t know also hope the picture helps!
Answer:
B
Step-by-step explanation:
X = cost of children's ticket
x +3 = cost of adults tickets
100x + 200(x+3) = 2100
100x + 200x + 600 = 2100
300x = 1500
x = 5
answer
children ticket costs $5