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3 years ago

Thepercentagefraction andde cimalnumber5%17 %3.5 %

Mathematics

1 answer:

dlinn [17]3 years ago

6 0

Answer:

are you asking to convert to fractions and decimals?

1. .05 1/20

2..17 or 17/100

3. 7/2

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Find the value of t in parallelogram FGHI. H 2t+6 G I Зt-6 t =

hammer [34]

Answer:

i dont know'

Step-by-step explanation:

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3 years ago

Find two integers whose sum is 10 and product is 9

Leviafan [203]

Answer:

let the numbers be x and y then by given conditions:

x + y = 10 ….. eq 1

and

xy = 9….. eq 2

from eq 2. y = 9/x

put this in eq. 1

x + 9/x = 10

x + 9= 10x

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now,

xy = 9put value of x

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Step-by-step explanation:

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3 years ago

Researchers measured the bone mineral desnsity of the spines of 94 women who had taken teh drug CEE. The mean was 1.016 g/cm2, a

Valentin [98]

Answer:

The 95% confidence interval for the mean is between 0.985g/cm² and 1.047 g/cm².

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.025 = 0.975$ , so $z = 1.96$

Now, find M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 1.96*\frac{0.155}{\sqrt{94}} = 0.0310$

The lower end of the interval is the mean subtracted by M. So it is 1.016 - 0.0310 = 0.985 g/cm²

The upper end of the interval is the mean added to M. So it is 1.016 + 0.0310 = 1.047 g/cm²

The 95% confidence interval for the mean is between 0.985g/cm² and 1.047 g/cm².

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3 years ago

-1t+14=3t+10 what value of t makes this true?

rodikova [14]

Answer:

1 makes this problem true

Step-by-step explanation:

-1t+14=3t+10

-1(1)+14 = 3(1)+10

-1 +14 =3+10 , 13=13

So 1 makes this problem true

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3 years ago

6.7-3^2.9+4^3 evaluate the expression. show your work on a piece of paper.<br><br> 50+ points~!

vovangra [49]

Answer:

Step-by-step explanation:

$6.7 - {3}^{2} .9 + {4}^{3} \\ \\ = 42 - 9.9 + 64 \\ \\ = 42 - 81 + 64 \\ \\ = 106 - 81 \\ \\ = 25$

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3 years ago

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Thepercentagefraction andde cimalnumber5%17 %3.5 %​

Thepercentagefraction andde cimalnumber5%17 %3.5 %