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3 years ago

Quincy buys 6 times as many (b) boxes of macaroni and cheese as Matthony. How many boxes did Quincy buy?

Mathematics

2 answers:

velikii [3]3 years ago

3 0

6(Mathhony’s b). Just multiply matthonys boxes by 6

fiasKO [112]3 years ago

3 0

Answer:

Step-by-step explanation:

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Sss similarity theorem

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Danny and his classmates placed colored blocks on a scale during a science lab. The red block weighed 1.5 pounds and the yellow

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Step-by-step explanation:

1.5 - 1.056 = 0.444

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3 years ago

Please help really I need it thank you :)

tamaranim1 [39]

Answer:

44, 6, and 24 are not perfect square

Step-by-step explanation:

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3 years ago

A sample of 5 strings of thread is randomly selected and the following thicknesses are measured in millimeters. Give a point est

liq [111]

Answer:

$s^2 = \frac{(1.48-1.502)^2 +(1.45-1.502)^2 +(1.54-1.502)^2 +(1.52-1.502)^2 +(1.52-1.502)^2}{5-1} =0.00132$

And for the deviation we have:

$s= \sqrt{0.00132}=0.0363$

And that value represent the best estimator for the population deviation since:

$E(s) =\sigma$

Step-by-step explanation:

For this case we have the following data:

1.48,1.45,1.54,1.52,1.52

The first step for this cae is find the sample mean with the following formula:

$\bar X =\frac{\sum_{i=1}^n X_}{n}$

And replacing we got:

$\bar X= \frac{1.48+1.45+1.54+1.52+1.52}{5} = 1.502$

And now we can calculate the sample variance with the following formula:

$s^2 =\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}$

And replacing we got:

$s^2 = \frac{(1.48-1.502)^2 +(1.45-1.502)^2 +(1.54-1.502)^2 +(1.52-1.502)^2 +(1.52-1.502)^2}{5-1} =0.00132$

And for the deviation we have:

$s= \sqrt{0.00132}=0.0363$

And that value represent the best estimator for the population deviation since:

$E(s) =\sigma$

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4 years ago

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