3 years ago

Please help me if you can

Mathematics

1 answer:

Mrrafil [7]3 years ago

4 0

Answer:

no clue :(

im so sorry :(

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RUDIKE [14]

Answer:

B. 1/9

Step-by-step explanation:

The positive square root of "x^2 - 4x + 4" is "x - 2". That value is already given to you, 1/3. Just square 1/3 to get 1/9.

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torisob [31]

Step-by-step explanation:

ans is 23 please mark me as brainlist please

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frutty [35]

1. Is 8 seconds
2. I think is 15 quartz sorry if I’m wrong

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PLEASE HELP I have been trying to figure this out for a really long time and I want to get the best grade on my test !

Shalnov [3]

Answer:

see below

Step-by-step explanation:

$-4^{2} =-16\\\\-\sqrt{4} =-2\\\\\sqrt{4^{2} } =4\\\\-2\sqrt{4} =-4\\\\(-4)^{2} =16\\\\\sqrt{1/4} =1/2$

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-2

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in root forms and exponent

$-4^{2} \\\\-2\sqrt{4} \\\\-\sqrt{4} \\\\\sqrt{\frac{1}{4} } \\\\\sqrt{4^{2} } \\\\(-4 )^{2}$

8 0

3 years ago

The following are the last 10 run scores Colin got in cricket: 23, 20, 4, 19, 28, 35, 25, 0, 1, 30 a) Work out Colin's mean scor

sdas [7]

Answer:

I have given it step by step below.

Step-by-step explanation:

(i) Mean = sum of observations/total no. of observation

= 23 + 20 + 4 + 19 + 28 + 35 + 25 + 0 +1 + 30/ 10

= 185/10

= 18.5

(ii) additional 35 runs

New Mean

=previous total + 35/10 + 1 (the 1 gets added in denominator because of the additional observation)

= 185 + 35/11

= 220/11

= 20

Hope this helps you!

4 0

3 years ago