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maw [93]
3 years ago
9

Four student work to find an estimate for √27. Who os the closet to finding the true estimate

Mathematics
1 answer:
11111nata11111 [884]3 years ago
6 0

Answer:

simplified version is 3\sqrt{3}

Step-by-step explanation:

1.) find possible factors to 27 that have one perfect root (in this case, its 9)

\sqrt{(9*3)}

2.) square each number in the radical

\sqrt{9} *\sqrt{3}

3.) simplify

3\sqrt{3}

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CAN SOMEONE PLEASE HELP ME PLEASE help
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Answer:

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Step-by-step explanation:

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2 years ago
What should the following rate be divided by to convert it to a unit rate?<br> 6 inches<br> 12 hours
nataly862011 [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What’s the multipcative inverse of 1/4
LuckyWell [14K]

Hey!

Answer:

4/1

Step-by-step explanation:

  • The multiplicative inverse of a number is the reciprocal of it. (a/b → b/a).
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Hope This Helps :)

7 0
3 years ago
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Write and solve a real world word problem to fit the expression -50 ÷ 5.
MissTica

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Step-by-step explanation:

6 0
2 years ago
A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of µ = 80 and a standard dev
stepan [7]

Answer:

a) M =82

Step-by-step explanation:

Let´s study this as a Normal distribution.

As we know in a normal distribution the z score is = (X-μ)/(sd/sqrt(n))

where

X = mean for the taken sample = What we want to know in this problem

μ = Total population mean =80

sd= standard deviation= 12

n = sample size=9

So in this case z=( X-80)/(12/sqr(9))= (X-80)/4

also we know that the effect size taken by the machine is 0.5, which is the same as the z-score

so...

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2+80 = X

X = 82

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3 years ago
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