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zalisa [80]
3 years ago
15

What is the value of this expression?

Mathematics
2 answers:
jekas [21]3 years ago
8 0

Answer:

108

Step-by-step explanation:

we first add 7+8=15 then 15×2=30 30+6=36 36×2=108

Zanzabum3 years ago
7 0

Answer:

i don't know

Step-by-step explanation:

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An equilateral triangle has a perimeter of 51x + 3. What is the length of each side of the triangle?
Blababa [14]

First subtract 3 from 51 which gives you 48, then divide 48 by 3 which gives you the answer of 16.

3 0
3 years ago
Read 2 more answers
A regular six-sided die is rolled 1000 times. Use the binomial distribution to determine the standard deviation for the number o
ANTONII [103]

The standard deviation for the number of times an odd number is rolled is 15.8

<h3>How to determine the standard deviation?</h3>

The given parameters are:

Die = regular six-sided die

n = 1000

The probability of rolling an odd number is:

p = 1/2 = 0.5

The standard deviation is then calculated as;

\sigma = \sqrt{np(1 - p)

This gives

\sigma = \sqrt{1000 * 0.5 * (1 - 0.5)

Evaluate the products

\sigma = \sqrt{250

Evaluate the root

\sigma = 15.8

Hence, the standard deviation is 15.8

Read more about standard deviation at:

brainly.com/question/16555520

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8 0
2 years ago
How do You supposed to do this i need many method to do it.
defon
I like the substitution method. Which is when you make one equation equal only x or y and plug it into the other equation)

There is also the graphing method. If you graphed it, it might not be quite as accurate (at least on hand, on computer you would be pretty exact)

Then there is the elimination method. You multiply one of the equations by a coefficient so that you can eliminate x or y from the equation. 
4 0
3 years ago
Please help asap.<br> no fake answers or links.<br> picture below.
sesenic [268]

Answer:

b is the correct answer. I'm sure ♡

Step-by-step explanation:

- don't mind this I had to edit my answer lol. but I hope I helped u good luck. If I'm wrong someone can correct me below ☆

8 0
2 years ago
Whats 5 divided by negative 3? its -15 right?
iris [78.8K]

Answer:

its -1.66666666667

Step-by-step explanation:

you are thinking of 5x-3, remember you have the number 5 dividedinto -3 parts

4 0
3 years ago
Read 2 more answers
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