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3 years ago

Find the meadin,mode and,range 3,5,7,9,11,8,3

Mathematics

2 answers:

bagirrra123 [75]3 years ago

8 0

Mean: 6.57 (6.6 rounded)

Median:7

Mode: 3

Range: 8

konstantin123 [22]3 years ago

7 0

Answer:

The mean/average is 6.57...

The median is 7

The mode is 3

The range is 8

Step-by-step explanation:

Step 1: Find the mean/average

Combine the numbers

3 + 5 + 7 + 9 + 11 + 8 + 3

Find the total amount of numbers

3, 5, 7, 9, 11, 8, 3

7 numbers

Find the mean

Total sum of number / Total amount of number

49 / 7

6.57...

Answer: The mean/average is 6.57...

Step 2: Find the median

Find the median by finding the middle number.

3, 5, 7, 9, 11, 8, 3

3, 3, 5, 7, 8, 9, 11

7 is in the middle

Answer: The median is 7

Step 3: Find the mode

3, 5, 7, 9, 11, 8, 3

To find the mode, find the most common number. In this case it is 3.

Answer: The mode is 3

Step 4: Find the range

3, 5, 7, 9, 11, 8, 3

Find the highest number and the lowest number.

Highest number → 11

Lowest number → 3

11 - 3

Answer: The range is 8

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If I am adding one positive number and one negative number, will the answer be positive or negative? What does it depend on?

maxonik [38]

It depends on which number has the greatest absolute value.

Think about it as money

If you owe me $10, this is shown as -10

Now if I give you back 2 dollars (+2), How much money do I still owe you.

The equation is -10+2

I still owe you 8 dollars which is portrayed as -8

Hope this helps :)

8 0

3 years ago

Logb(x-1) + logb(x+2) = logb(8-2x)

Aleksandr [31]

Answer:

x=2

Step-by-step explanation:

log_x(y)+log_x(z)=log_x(yz), so logb(x-1) + logb(x+2)=logb((x-1)(x+2)). next subtract logb(8-2x) from both sides to get logb((x-1)(x+2))-logb(8-2x)=0. log_x(y) - log_x(z) = log_x(y/z). so now we have logb((x-1)(x+2)/(8-2x)). now you can put it into exponential form: (x-1)(x+2)/(8-2x)=b^0=1 now just solve for x:

(x-1)(x+2)= 8-2x, x^2 + x -2 = 8-2x, x^2 + 3x -10 = 0, (x+5)(x-2)=0 x=-5, x=2. plug both into the original equation to check which one is correct, since log_x(y) can't have a negative y, x=-5 doesnt work

7 0

3 years ago

Y=4x-6 proportional?

yawa3891 [41]

y=4x-6 so 4x-6 is = 2x so y=2

7 0

3 years ago

HELP LAST ATTEMPT!! marking as brainliest!

Natasha2012 [34]

Answer:

Step-by-step explanation:

I added them up