The expression for thrice of a number m is m +3. true or false

Mathematics

2 answers:

Blizzard [7]2 years ago

3 0

Answer:

False

Step-by-step explanation:

$the \: expression \: is \: 3x$

aivan3 [116]2 years ago

3 0

Answer:

false

Step-by-step explanation:

thrice a number means 3 times the number

if the number is m then thrice the number is

3 × m = 3m

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Please show your work! Brainliest if you do

TiliK225 [7]

Answer:

$\frac{3x+4}{2x-2}$

Step-by-step explanation:

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8 0

3 years ago

A company has 7 male and 9 female employees, and needs to nominate 2 men and 2 women for the company bowling team. How many diff

lys-0071 [83]

Answer:

The team can be formed in 756 different ways

Step-by-step explanation:

This is a combination problem since we are to select a set of people from a group. Combination has to do with selection.

for example, if r number of object is to be selected from a pool of n objects, this can be done in nCr number of ways.

$nCr = \frac{n!}{(n-r)!r!}$

Now If A company has 7 male and 9 female employees, and needs to nominate 2 men and 2 women for the company bowling team, then this can be done in the following way;

$7C2 * 9C2$

$7C2 = \frac{7!}{5!2!} \\= \frac{7*6*5!}{5!*2} \\= 7*3\\= 21ways\\\\similarly;\\\\9C2 = \frac{9!}{7!2!}\\9C2= \frac{9*8*7!}{7!*2} \\9C2 = 9*4\\9C2 = 36$