Answer:
175,000,000
Step-by-step explanation:
you subtract 550,000,000 from 725,000,000
Answer:
$400
Step-by-step explanation:
1) we need to find area of trapezoid first
area of trap formula:( (b1+b2)/2)h
b1=5
b2=3
h=4
(5+3)/2=4
4*4=16
there are 16 square feet in thtat trapezoid
hence, 25*16= $400
the glass cost $400
Answer:
No solutions.
Step-by-step explanation:
22 does not equal 81, so therefore no solutions.
Given:
p = 20% = 0.2, sample proportion
n = 5000, sample size.
Confidence level = 95%
The confidence interval is
(p - 1.96k, p + 1.96k)
where

Therefore the 95% confidence interval is
(0.1943, 0.2057) = (19.4%, 20.6%)
Answer: The 95% confidence interval is (19.4%, 20.6%)
draw a perpendicular line from the directrix passing through the focus, this will be the line of symmetry.
The vertex(h, k) will be located on the line half way between the focus and directrix.
The distance from the focus to the vertex is called the focal length, call it a. The then equation is
(x - h)^2 = 4a(y - k)
the equation can be manipulated to
y = 1/4a(x - h)^2 + k
hope it helps