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galben [10]
3 years ago
11

If the constant on the right side is not a perfect square, the answers will be

Mathematics
1 answer:
Tcecarenko [31]3 years ago
5 0

Answer:

Irrational number

Step-by-step explanation:

A square root is written with a radical symbol \sqrt and the number or expression inside the symbol, is called the radicand.

\sqrt b

There is two roots of a positive number and to indicate that we want both the positive and the negative square root of a radicand we put the symbol ±  in front of the root.  For example,

\pm \sqrt {16}=\pm 4

If the square root of an integer is another integer then the square is called a perfect square.

If the radicand or the right side is not a perfect square i.e. the square root is not a whole number than you have to approximate the square root .

\sqrt 3=1.732..

The square roots of numbers that are not a perfect square are members of the irrational numbers.

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Step-by-step explanation:

use your PEMDAS

5+(-4 -36)

5+(-40)

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Your score on the ITBS test is reported to be at the 70th percentile. which of the following must be true about your score?
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There are $5$ girls and $5$ boys in a chess club. The club holds a round-robin tournament in which every player plays against ev
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3 years ago
The simple interest I on an investment of P dollars at an interest rate r for t years is given by I=Prt. Find the time it would
Darina [25.2K]

we know that

I=Prt

where

I is the amount in interest

P is the investment

r is the interest rate

t is the time in years

Solve for t

t=I/(Pr)

we have

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substitute

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4 years ago
The diameters of aluminum alloy rods produced on an extrusion machine are known to have a standard deviation of 0.0001 in. A ran
Murljashka [212]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The null hypothesis is rejected this means that \mu \ne  0.5025

The 95% confidence interval is 0.5045608 <  \mu  < 0.5046392

Step-by-step explanation:

From the question we are told that

The standard deviation is s= 0.0001

The sample size is n = 25

The sample mean is \= x =  0.5046 \ in

The population mean is \mu  =  0.5025 \ in

The null hypothesis is H_o  :  \mu =  0.5025

The alternative hypothesis is H_a  :  \mu \ne  0.5025

The test statistics is mathematically represented as

t =  \frac{0.5046 -  0.5025}{ \frac{0.0001}{\sqrt{25} } }

t =  105

So the p-value from the z-table is mathematically represented as

p-value  =  2 *  P( z >  105)

p-value  = 0.000

seeing that

p-value <  \alpha we reject the null hypothesis

The critical value of

\frac{\alpha }{2} obtained from the normal distribution table is

Z_{\frac{\alpha }{2} } =  1.96

The margin of error is mathematically represented as

E = Z_{\frac{\alpha }{2} }*\frac{s}{\sqrt{n} }

=> E = 1.96 *\frac{0.0001}{\sqrt{25} }

=> E =3.92 *10^{-5}

The 95% confidence level is mathematically represented as

\= x  -  E  <  \mu  < \= x  + E

=> 0.5046  -  3.92 *10^{-5}  <  \mu  < 0.5046  +  3.92 *10^{-5}

=> 0.5045608 <  \mu  < 0.5046392

8 0
3 years ago
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