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1 year ago

3. A drawer contains several loose socks, each sock is only blue or black. You have to grab

Mathematics

1 answer:

Vlada [557]1 year ago

5 0

<h3>Answer: 3 socks</h3>

Reason:

You could get lucky to pull out 2 blue socks or 2 black socks in a row. But you could also get unlucky to have 1 blue + 1 black, or the other way around.

That third sock selected will guarantee you picked at least 2 of the same color. This is simply because there aren't any other colors left to pick from.

For more information, check out the Pigeonhole Principle.

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Two slits are illuminated by a 348 nm light. The angle between the zeroth-order bright band at the center of the screen and the

Andre45 [30]

Answer:0.369 m

Step-by-step explanation:

Given

Distance between slit and screen is $D=154 cm$

Wavelength $\lambda =348 nm$

Angle between zeroth order bright fringe and Fourth-order bright fringe is $\theta =13.5^{\circ}$

let distance between the slits be d

Distance of n th bright fringe From central Fringe is given by

$y_n=\frac{nD\lambda }{d}$

Also $\tan \theta =\frac{y_4}{D}$

$y_4=\tan (13.5)\cdot 1.54$

$y_4=0.24\times 1.54$

$y_4=0.369 m$

5 0

3 years ago

If one pound = rupees 135 and dollar =105 rupees then convert the pound 63 into Dollar

enot [183]

Answer:

Step-by-step explanation:

£63 = 135 × 63

= Rs . 8505

Rs . 8505 = 8505 / 105

= $81

6 0

2 years ago

If f(x)= 3 over x+2- square root x-3 f(19)=

PSYCHO15rus [73]

F(19)= (3/(19+2)) - sqrt(19-3)
= (3/21) - sqrt(16)
= (1/7) - 4
= (1/7) - (28/7)
= -27/7
= - 3 6/7

4 0

3 years ago

Trying to figure out 2 different equivalent fractions for the following fractions if something is divided into 8 sections

irina [24]

2/4 is equivalent to 1/16 and 1/128 if dived by 8 sections
8/8 is equivalent to 1/8 and 1/64 if dived by 8 sections
1/2 is equivalent to 1/16 and 1/128 if dived by 8 sections
3/4 is equivalent to 3/32 and 3/256 if dived by 8 sections
2/3 is equivalent to 1/12 and 1/98 if dived by 8 sections

3 0

2 years ago

Read 2 more answers

What is the least common denominator of 1/9 and 2/3

Kipish [7]

Answer:

Step-by-step explanation:

All u have to do is think only about two denominators, 9 and 3

And then memorize the multiplication of any number out of these two, until u get a number which is divisible by the other number. Its like,

9×1= 9

is it divisible by 3?

9/3= 3

Oh yes, it is divisible by 3 with no remainings. So that is the least common denominator

8 0

3 years ago