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Elena L [17]
1 year ago
12

IF CORRECT ILLL BIVE U BRAINLIEST NEED FAST PLS

Mathematics
1 answer:
Montano1993 [528]1 year ago
5 0

Answer: The first one -4x-3<13

Step-by-step explanation: because they didn't really tell us what happened to the 3 just that the 3 disappeared and the 13 became 16

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Suppose a large shipment of telephones contained 21% defectives. If a sample of size 498 is selected, what is the probability th
grandymaker [24]

Answer:

P(-3\% < x < 3\%) = 0.901

Step-by-step explanation:

Given

p = 21\%

n = 498

Required

P(-3\% < x < 3\%)

First, we calculate the z score

z = \sqrt{p * (1 - p)/n}

z = \sqrt{21\% * (1 - 21\%)/498}

z = \sqrt{21\% * (79\%)/498}

z = \sqrt{0.1659/498}

z = \sqrt{0.000333}

z = 0.0182

So:

P(-3\% < x < 3\%) = P(-3\%/0.0182 < z

P(-3\% < x < 3\%) = P(1.648 < z

From z probability, we have:

P(-3\% < x < 3\%) = 0.901

6 0
3 years ago
2 points
Natali [406]

Nah stop cheating in Fullard class smh:

Step-by-step explanation:

5 0
3 years ago
The pressure, p, with which water passes through a pipe varies inversely as the square of the pipe's radius, 2. If k is the cons
iragen [17]

The variation equation is p = kr^2

<h3>How to determine the variation equation?</h3>

The variables are give as:

Pressure = P

Radius= r

The direct variation from p to the square of r is represented as:

p\ \alpha\ r^2

Express as an equation

p = kr^2

Where k represents the constant of variation

Hence, the variation equation is p = kr^2

Read more about variation at:

brainly.com/question/6499629

#SPJ1

3 0
2 years ago
. Each of the following has 9 as a factor except<br> A) 18018 B) 18 081 C) 81 180<br> D) 81 181
Arlecino [84]

Answer:

d

Step-by-step explanation:

81181÷9=9020.111111

every other number has a whole number as an answer not a decimal

4 0
3 years ago
13 ft :10 ft 18 ft Find the area of the trapezoid. [? ] square feet Hint: The formula for the area of a trapezoid is: (b17b2). h
Liono4ka [1.6K]
The area is 29473
i just need points
3 0
3 years ago
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