Order of Operations- -6+(-30) divided by 5-(-2). Explain step by step

Mathematics

1 answer:

Reil [10]4 years ago

7 0

Answer:

-36/7 or -5.14287

Step-by-step explanation:

so I would get rid of parentheses you do not need them

$\frac{-6+-30}{5--2}$ = $\frac{-36}{7}$ (because when two negative come before two numbers like -x-y they are being added but negative is present to the result of the sum, when one negative sign comes after a number and the other negative sign comes before a number, like x--y they are being added as well but negative is not present to the result of the sum)

-36/7=-5.1428

hope this helps!

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The math club is fast becoming one of the most popular clubs on campus because of the fabulous activities it sponsors annually f

Sergeu [11.5K]

Answer:

The many members should the club expect to have 5 years from now is 167.

Step-by-step explanation:

The number of members in the club at present is, 45.

It is provided that each year the club's enrollment increases by 30%.

Compute the increasing rate as follows:

$Rate=1+0.3=1.3$

Then the number of members in the club after <em>n</em> years is given by the equation:

$Number\ of\ members\ after\ n\ years=45\times (1.3)^{n}$

Compute the number of members in the club after 5 years as follows: $Number\ of\ members\ after\ 5\ years=45\times (1.3)^{5}\\=45\times (1.3)^{5}\\=45\times 3.71293\\=167.08185\\\approx167$