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3 years ago

What is the common difference in the arithmetic sequence 10, 8, 6, 4, ...?

Mathematics

2 answers:

NISA [10]3 years ago

8 0

Answer:

-2

Step-by-step explanation:

It goes down by 2 each time

jasenka [17]3 years ago

3 0

Answer:

-2

Step-by-step explanation:

10-8=2

8-6=2

6-4=2

4-2=2

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If x = -1, then which of the following equations makes a true statement

uranmaximum [27]

Only the third one makes x=-1 true

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3 years ago

The probability of winning a certain lottery is 1/77076 for people who play 908 times find the mean number of wins

Alex73 [517]

The mean is 0.0118 approximately. So option C is correct

<h3><u>Solution:</u></h3>

Given that , The probability of winning a certain lottery is $\frac{1}{77076}$ for people who play 908 times

We have to find the mean number of wins

$\text { The probability of winning a lottery }=\frac{1}{77076}$

Assume that a procedure yields a binomial distribution with a trial repeated n times.

Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial.

$n=908, \text { probability } \mathrm{p}=\frac{1}{77076}$

$\text { Then, binomial mean }=n \times p$

$\begin{array}{l}{\mu=908 \times \frac{1}{77076}} \\\\ {\mu=\frac{908}{77076}} \\\\ {\mu=0.01178}\end{array}$

Hence, the mean is 0.0118 approximately. So option C is correct.

4 0

3 years ago

Area of the following kite?

MakcuM [25]

Answer:

i think A=20

A=pq/2 =4·10/2 =20

Hope i helped

-lvr

6 0

4 years ago

Read 2 more answers

Nicole's Bikes rents bikes for $17 plus $3 per hour. Ndiba paid $41 to rent a bike. For how many hours did he rent the bike?

NemiM [27]

Answer:

Ndiba rented the bike for 8 hours

Step-by-step explanation:

41 - 17 = 24

24 ÷ 3 = 8

7 0

2 years ago

At a restaurant there is 7% sales tax. If the bill was $8.64, how much would he be owed in total?

Andreas93 [3]

Ok, so in order to get tax on something you multiply the amount by the amount of tax in decimal form and then add back the original amount. So for this, you'd start with 8.64*0.07, which equals 0.6048. This rounds to 0.60. 8.64+0.60=9.24

So, he would owe $9.24 total.

3 0

4 years ago