Will mark brainiest 7 powered by 8 expiation Or else not brianly answer

1 answer:

4 0

Answer: 5764801

Explanation: The number 7 is called the base, and the number 8 is called the exponent. The exponent of the number 7, 8, also called index or power, denotes how many times to multiply the base (7).

NOTE: I hope this helped, a brainliest would be much appreciated! :)

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Help! Absolute value equations

Darina [25.2K]

Answer:

k = -5 , k= -2
m= -21 , m=5

Step-by-step explanation:

$3=\left|2k+7\right|\\\\\mathrm{Switch\:sides}\\\left|2k+7\right|=3\\\\\mathrm{Apply\:absolute\:rule}:\quad \\\mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a\\\\2k+7=-3\quad \mathrm{or}\quad \:2k+7=3\\\\2k+7=-3\quad :\quad k=-5\\\\2k+7=3\quad :\quad k=-2\\\\\mathrm{Combine\:Solutions:}\\k=-5\quad \mathrm{or}\quad \:k=-2$

$3\left|m+8\right|=39\\\mathrm{Divide\:both\:sides\:by\:}3\\\frac{3\left|m+8\right|}{3}=\frac{39}{3}\\\\Simplify\\\left|m+8\right|=13\\\\\mathrm{Apply\:absolute\:rule}:\quad \\\mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a\\\\m+8=-13\quad \mathrm{or}\quad \:m+8=13\\\\m+8=-13\quad :\quad m=-21\\m+8=13\quad :\quad m=5\\\\\mathrm{Combine\:Solutions:}\\m=-21\quad \mathrm{or}\quad \:m=5$

3 0

3 years ago

Read 2 more answers

There are 12300 films on Netflix. 7% of the films are action. How many films are action?

Kaylis [27]

Answer:

861

Step-by-step explanation:

7 percent *12300 =

(7:100)*12300 =

(7*12300):100 =

86100:100 = 861

7 0

3 years ago

Suppose we have a binomial experiment with n= 40 trials and a probability of success p= 0.50.Is it appropriate to use a normal a

exis [7]

Answer:

We can approximate to normal.

The parameters of the approximate normal distribution are:

$\mu=np=40*0.5=20\\\\ \sigma=\sqrt{npq} =\sqrt{40*0.5*0.5} =\sqrt{10} =3.16$

$P_B(r>23)\approx 0.314$

It is not unusual to have 23 or more successes. The probabiltity of this event happening is 13.4%.

Step-by-step explanation:

To approximate the binomial distribution to a normal distribution, we can calculate n*p and n*q and if both are bigger than 5 we can do the approximation.

$n*p=n*q=0.5*40=20$