2 years ago

Rename number 1,400 draw a quick picture

Mathematics

1 answer:

Paul [167]2 years ago

4 0

I think that is the right answer

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An experiment consists of choosing objects without regards to order. Determine the size of the sample space when you choose the

sdas [7]

Answer:

$n= 75, 582$

$n= 2300$

$n = 253$

Step-by-step explanation:

Generally the size of the sample sample space is mathematically represented as

$n = \left N } \atop {}} \right. C_r$

Where N is the total number of objects available and r is the number of objects to be selected

So for a, where N = 19 and r = 8

$n = \left 19 } \atop {}} \right. C_8 = \frac{19 !}{(19 - 8 )! 8!}$

$= \frac{19 *18 *17 *16 *15 *14 *13 *12 *11! }{11 ! \ 8!}$

$n= 75, 582$

For b Where N = 25 and r = 3

$n = \left 25 } \atop {}} \right. C_3 = \frac{25 !}{(19 - 3 )! 3!}$

$= \frac{25 *24 *23 *22 ! }{22 ! \ 3!}$

$n= 2300$

For c Where N = 23 and r = 2

$n = \left 23 } \atop {}} \right. C_2 = \frac{23 !}{(23 - 2 )! 2!}$

$= \frac{23 *22 *21! }{21 ! \ 3!}$

$n = 253$

4 0

3 years ago

The square root of t is greater than 2 and less than 3.5. How many integer values of t satisfy this condition?

Jlenok [28]

$2$

8 integers

4 0

3 years ago

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Find the value of x - if x^3-7x² - x = 0<br>a) 17 (b) 71 c) 7<br>d) 1

S_A_V [24]

Answer:

x = 0

Step-by-step explanation:

$x^3-7x^2-x =0\\$

Take out common factor

$x(x^2-7x-1) = 0$

The factor inside the parenthesis cannot be factored

Since there is a common factor that we pulled out of the original equation,

set that x equal to zero and solve

$x = 0\\$ : Therefore x = 0

6 0

3 years ago

11. Which regular polygon has a minimum rotation of 45° to carry the polygon onto itself?

ASHA 777 [7]

Answer:

the answer is a octagon that has rotation of 45degrees

3 0

2 years ago

Sean answers 4/5 of the questions on a test correctly. If there are 100 questions, how many did he not answer correctly?

DanielleElmas [232]

He would have answered 20 incorrectly.

3 0

3 years ago

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