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yawa3891 [41]
3 years ago
14

49 47 43 50 45 49 49 49 43 50 43 47 47 46 45 49 50 49 43 50 46 46 50 48 47 49 47 46 43 48 50 47 46 Calculate the standard deviat

ion with your calculator. (Round to the nearest tenth)​
Mathematics
1 answer:
Pie3 years ago
5 0

Answer:

qw

Step-by-step explanation:

w

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What is another way to write the expression ​ t⋅(14−5) ​?
grigory [225]

t⋅(14−5)

distribute

14t -5t

Choice A

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3 years ago
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If m is positive and k is negative what is m-k
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M+k because the subtraction sign and negative cancel out to become positive
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What is the simplified form of the following expression? 2√27+√12-3√3-2√12
LiRa [457]

Answer:

√3

Step-by-step explanation:

The given expression to be simplified is

2 \sqrt{27}+\sqrt{12}-3\sqrt{3}-2 \sqrt{12}

but

2 \sqrt{27}=2\sqrt{9 \times 3}=2 \times \sqrt{9}\times \sqrt{3}=2 \times 3 \times\sqrt{3}=6 \sqrt{3}

\sqrt{12}=\sqrt{4\times3}= \sqrt{4}\times \sqrt{3}=2\sqrt{3}

Since √12=2√3,this implies that,

2\sqrt{12}=2\times2\sqrt{3}=4 \sqrt{3}

Therefore,

2 \sqrt{27}+\sqrt{12}-3\sqrt{3}-2 \sqrt{12}=6\sqrt{3}+2\sqrt{3}-3 \sqrt{3} -4\sqrt{3}

=(6+2-3-4)\sqrt{3}

=\sqrt{3}

The simplified form of ,

2 \sqrt{27}+\sqrt{12}-3\sqrt{3}-2 \sqrt{12} is √3

8 0
3 years ago
Angles C and D are supplementary, if angle C equals 126, what is angle D
Elis [28]

Answer:

angle D = 54°

Step-by-step explanation:

Supplementary angles sum to 180°

To calculate D, subtract angle C from 180

angle D = 180° - 126° = 54°


6 0
3 years ago
On cold days, Nate likes to make hot chocolate, Ile uses 6 tablespoons of cocoa and 2 tablespoons of sugar
SVETLANKA909090 [29]
For every 3 tablespoons of cocoa, Nate uses 1 tablespoon of sugar.

Since the sugar is halved, the cocoa should be halved as well. 6/2 is 3.
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3 years ago
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