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2 years ago

I really don't know how to do this-

Mathematics

2 answers:

shepuryov [24]2 years ago

6 0

The sum of the interior angles of any quadrilateral is 360°.

So,

90° + 90° + 52° + x = 360°

=> 232° + x = 360°

=> x = 360° - 232°

=> x = 128°

Elodia [21]2 years ago

6 0

Answer:

x = 128

Step-by-step explanation:

All angles on a trapezoid must add up to 360 degrees. So we have 3 of our 4 angles so we can solve this as an equation

90 + 90 + 52 + x = 360

232 + x = 360

x = 128

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A media poll of 500 air travelers surveyed in national airports found that 370 favor tighter security procedures in boarding pla

serg [7]

Answer:

92% Confidence interval: (0.7078,0.7722)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 500

Number of travelers who favor tight security, x = 370

$\hat{p} = \dfrac{x}{n} = \dfrac{370}{500} = 0.74$

92% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.08} = \pm 1.645$

Putting the values, we get:

$0.74\pm 1.645(\sqrt{\dfrac{0.74(1-0.74)}{500}}) = 0.74\pm 0.0322\\\\=(0.7078,0.7722)$

3 0

3 years ago

How is the binary system similar to the decimal system?

inessss [21]

What is meant binary number?

Binary number system, in mathematics, positional numeral system employing 2 as the base and so requiring only two different symbols for its digits, 0 and 1, instead of the usual 10 different symbols needed in the decimal system.

What is decimal in number system?

A number system which uses digits from 0 to 9 to represent a number with base 10 is the decimal system number.
The number is expressed in base-10 where each value is denoted by 0 or first nine positive integers.
Each value in this number system has the place value of power 10.

Similarities between binary and decimal systems -

Arithmetic operations can be carried out on numbers in both the binary ands decimal systems
Values of each bit and digit in binary and decimal numbers respectively depends on how close they are to the decimal point
Integer and fraction components are represented in both decimal and binary systems.

Learn more about decimal systems

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3 0

1 year ago

Adam is a salesperson in a video store. He is paid $100 every week plus a commission

olya-2409 [2.1K]

Answer: 100 + x = $1567

Step-by-step explanation:

8 0

3 years ago

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