All you have to do is follow the formula, because it has already been in the description that the formula is used to find the number of parking spaces in the front row. So, we substitute x = 32 to the equation.
Parking spots = 15(32)/4 - 9 = 111
<em>Thus, there are 111 parking spots.</em>
The values on the number line are between 0 and 1. There are 8 points from 0. The distance between two consecutive points would be
1/8 = 0.125
Since the given point is on the second point after 0, the equivalent value would be
2 * 1/8 = 2/8
Dividing the numerator and denominator of 2/8 by 2, we have 1/4
Thus, the two equivalent fractions for the point on number line are
2/8 and 1/4
Answer:
Step-by-step explanation:
we know that
The surface area of the triangular prism is equal to
where
B is the area of the triangular base
P is the perimeter of the triangular base
L is the length of the prism
<em>Find the area of the triangular base B</em>
<em>Find the perimeter of the triangular base P</em>
we have
substitute the values and find the surface area
Answer:
y = 114
Step-by-step explanation:
n + x = y
n - 20 = 85
n = 105
x=9
105 + 9 = 114
Answer: 400
Step-by-step explanation:
From the question, we see that population proportion (p) = 0.15
Margin of error (m) = 5%
Confidence level = 99%
Level of significance = 100- confidence level = 1%.
The population standard deviation (s) for this data set is
√p(1-p) = √ 0.15 × (1 - 0.15)
√ 0.15 × 0.85 = 0. 1275
Margin of error = critical value × population standard deviation / √n
The critical value (c) for Constructing a 99 % confidence interval for population mean is = 2.58
m = c× √p'(1-p') /√n
We want to make n subject of the formulae, we have that
m = c√p'(1-p') /√n
m×√n = c × √p'(1-p')
√n = c × √p'(1-p') / m
n = c² × {√p'(1-p')}² / m
n = 2.58² × 0.1275/ 0.05²
n = 6.6564 × 0.01625625 / 0.0025
n = 339.47 ~ 400