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svet-max [94.6K]
2 years ago
6

7h t: h²k² -7k k² - h²

Mathematics
1 answer:
mezya [45]2 years ago
4 0

Answer:

i'm pretty sure it's the second option

Step-by-step explanation:

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Wilma and Betty are playing a number game. Wilma tells Betty, "I'm thinking of a number between 1 and 10. If I take the number a
Ilia_Sergeevich [38]
Just work this problem out backwards. First write out an equation.
(x+4)•3=30

Now solve :

(x+4)•3=30

3x+12=30
-12   -12

3x=18
/3   /3

x=6

Your answer is 6!

Hoped I helped!
8 0
3 years ago
What is the common difference or common ratio for the sequence: 27, 9, 3, 1, 1/3, ...
lawyer [7]

Answer:

It's dividing by 3 everytime, so 1/3

Step-by-step explanation:

4 0
3 years ago
25 − (8 − 4) ÷ 6 • 3=what plzzzz answer!<br> Will mark Brainliest!!!!
serg [7]
25 - (8-4) /6 *3 = 25 - 2 / 6 * 3
=25-1
=24 #


“/”= divide
“*”= multiply
4 0
3 years ago
Read 2 more answers
distribution has a mean if 18 standard deviation of 4 a value of 24 is how many standard deviations away from the mean
liraira [26]

A  value of 24 is 2.5 standard deviations away from the mean

<h3>'How to determine the number of standard deviations away from the mean?</h3>

The given parameters about the distribution are:

Mean = 18

Standard deviation = 4

Value = 24

Let the number of standard deviations away from the mean be x.

The value of x is calculated using

Mean + Standard deviation * x = Value

Substitute the known values in the above equation

18 + 4 * x = 24

Subtract 18 from both sides of the equation

4 * x = 6

Divide both sides of the equation by 4

x = 1.5

Hence, a value of 24 is 2.5 standard deviations away from the mean

So, the complete parameters about the distribution are:

Mean = 18

Standard deviation = 4

Value = 24

24 is 2.5 standard deviations away from the mean

Read more about mean and standard deviation at:

brainly.com/question/14650840

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4 0
1 year ago
Solve the equation. Show all work.<br> -2 (4 - x) = 12x – 3<br> (I think this is 9th grade algebra)
Genrish500 [490]

Answer:

-1/2

Step-by-step explanation:

-2 (4 - x) = 12x – 3

-8+2x=12x-3

+8            +8

2x=12x+5

-12x  -12x

-10x=5

/-10  /-10

= -1/2

4 0
3 years ago
Read 2 more answers
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