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3 years ago

What are the three equivalent to 6/9

Mathematics

2 answers:

Yuki888 [10]3 years ago

6 0

Answer:

2/3, 12/18 and 18/27

Step-by-step explanation:

Lapatulllka [165]3 years ago

6 0

Answer

Step 1 : add: 6+6 =12 and add : 9+9 give us 18 so 6/9=12/18 as a

equivalent continue with the same way: add 12+12=24 and 18+18=36 is

24/36 the last one add 24+24=48 and 36+36= 72 so the last

Equivalent is 48/72

Step 3: RELAX

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A survey was conducted that asked 1003 people how many books they had read in the past year. Results indicated that x overbar eq

Sergio [31]

Answer:

The 99% confidence interval would be given (11.448;14.152).

Step-by-step explanation:

1) Important concepts and notation

A confidence interval for a mean "gives us a range of plausible values for the population mean. If a confidence interval does not include a particular value, we can say that it is not likely that the particular value is the true population mean"

$s=16.6$ represent the sample deviation

$\bar X=12.8$ represent the sample mean

n =1003 is the sample size selected

Confidence =99% or 0.99

$\alpha=1-0.99=0.01$ represent the significance level.

2) Solution to the problem

The confidence interval for the mean would be given by this formula

$\bar X \pm z_{\alpha/2} \frac{s}{\sqrt{n}}$

We can use a z quantile instead of t since the sample size is large enough.

For the 99% confidence interval the value of $\alpha=1-0.99=0.01$ and $\alpha/2=0.005$ , with that value we can find the quantile required for the interval in the normal standard distribution.

$z_{\alpha/2}=2.58$

And replacing into the confidence interval formula we got:

$12.8 - 2.58 \frac{16.6}{\sqrt{1003}}=11.448$

$12.8 + 2.58 \frac{16.6}{\sqrt{1003}} =14.152$

And the 99% confidence interval would be given (11.448;14.152).

We are confident that about 11 to 14 are the number of books that the people had read on the last year on average, at 1% of significance.

3 0

3 years ago

(-33)+(-7)=

sasho [114]

Answer:

-40

-6

Step-by-step explanation:

-33+-7 you are adding two negatives

9+(-15) you are adding a negative to a positive which gets you closer to zero

5-(-46) you are subtracting a negative which is adding

7 0

3 years ago

Find me this result !!!!! bana bu sonucu bulun

DIA [1.3K]

Answer:

Not sure about want u want but if you want the purple line it is y=4 . and the blue line is 24.1

5 0

3 years ago

A seal went 25 feet below sea level to catch a fish. A sea lion dove 10 feet less than three times as deep as the seal to catch

vfiekz [6]

Answer:

65 feet below sea level.

Step-by-step explanation:

With the information provided, we can create the following equation for the position of the sea lion (p)

p = 3x - 10

In this equation, x would be the final position of the seal when it caught the fish. Since we are told that the seal's position is 25 feet below sea level then we can plug in this value as x and solve for p...

p = (3 * 25) - 10

p = 75 - 10

p = 65

Finally, we can see that the sea lion's position is 65 feet below sea level.

7 0

3 years ago

Read 2 more answers

Solve: /3=46<br><br> x/3 is a fractions

den301095 [7]

answer :138

x/3=46

x=46*3

x=138

8 0

3 years ago