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fiasKO [112]
2 years ago
14

Help please ??? it's easy .

Mathematics
2 answers:
juin [17]2 years ago
8 0
A. 2.54 brainiest please
Free_Kalibri [48]2 years ago
7 0

Answer:

A.) 2.54

Step-by-step explanation:

I think this is the answer

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The safety inspector in a large city wants to estimate the proportion of buildings in the city that are in violation of fire cod
storchak [24]

Answer:

Check Explanation.

Step-by-step explanation:

The sample will be a representative of the entire build us in the city.

For a sample size 35, 3 have fire code violations, hence, the proportion of houses with fire code violations = (3/35) = 0.0857 = 8.57 %

The uncertainty in the estimate is given in the form of standard error.

Standard error = √[(p(1-p)/n]

n = sample size = 35, p = 0.0857, 1 - p = 0.9143

Standard error of the sample = √(0.0857×0.9143/35) = 0.1616

In terms of the population, (0.1616/35) = 0.00462

Proportion of buildings with fire code violations = (8.57 ± 0.462) %

8 0
3 years ago
Without measuring angles what is the measure of angle A′ OB ′?
Ede4ka [16]

Answer:

That isn’t possible

Step-by-step explanation:

8 0
3 years ago
Triangle similarity-<br> Solve for x!!!<br> Please help!
irinina [24]

Answer: im thinking it is 5 but i could be totally wrong. im not the smartest lol

Step-by-step explanation:

6 0
2 years ago
A barrel had 20 liters of water. Water leaked out from the barrel at a constant rate. After 24 hours, 14 liters of water was lef
disa [49]
20-14=6
6÷24=1/4
1/4 liters of water leaked out per hour
8 0
2 years ago
Use Green's Theorem to evaluate the line integral along the given positively oriented curve. C yex dx 2ex dy, C is the rectangle
Dennis_Churaev [7]

Answer:

2 ( e^3 + 1 )

Step-by-step explanation:

The path of the attached Rectangle is anti-clockwise

and the Integrand:  P( x, y ) dx +  q ( x , y ) dy

 P( x, y )  = ye^x

 q ( x , y ) = 2ex

hence :  dq/dx - dp/dy = 2e^x - e^x = e^x

attached below is the remaining  solution

using Green's theorem

7 0
2 years ago
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