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miskamm [114]
3 years ago
7

Performance scores are collected for 10 individuals and those scores are 17 12 20 11 8 18 17 9 12 and 15. Find where X sub i rep

resents the 10 scores.
Mathematics
1 answer:
Elden [556K]3 years ago
3 0

Step-by-step explanation:

x=10-20x567++dfggyjkkvd

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For question 19 and 20 can you please solve! Ill award 50 points to however does it! Thank you soo much!
Fittoniya [83]

Answer:

Step-by-step explanation:

19.

2x^2+x-6=0

x^2+x-12=0

(x+2)(2x-3)=0

x=-2,3/2

20.

x^2+8x+15=0

(x+3)(x+5)=0

x=-3,-5

4 0
3 years ago
Read 2 more answers
How would you convert a mass in centigrams to a mass in milligrams??
const2013 [10]
First let's start with the relationship between grams and centigrams and grams and milligrams.

1 gram = 100 centigrams
1 gram = 1000 milligrams

Because these two equations are equal, we can rewrite our equation as 100 centigrams = 1000 milligrams.

Now we divide by 100 to simplify our equation to 1 centigram = 10 milligrams.

With this simplified equation we see that we multiply the number of centigrams by 10 to find the equal number of milligrams.
5 0
4 years ago
Find the length of the third side. If necessary, round to the nearest tenth.
Mama L [17]

Answer:

24

Step-by-step explanation:

Use the pythagorean theorem.

7 0
3 years ago
The given expression represents the area. Find the side length of the square.
Vesnalui [34]

9514 1404 393

Answer:

  (4x +5)

Step-by-step explanation:

The square of a binomial is ...

  (a +b)² = a² +2ab +b²

We assume that the given trinomial is a perfect square, so we can find the terms of the squared binomial by looking at the square roots of the first and last terms:

  √(16x²) = 4x

  √25 = 5

So, our first choice of side length for the square is ...

  s = (4x +5) . . . . . side length of the square

__

Using the above identity, we can verify that the square of this gives the right area:

  A = s² = (4x +5)² = (4x)² +2(4x)(5) +5²

  A = 16x² +40x +25 . . . . . . as required

8 0
3 years ago
1) What is the first x in x + 3x = 16?
Lyrx [107]
1. x=22/5
2. x=4
3. x=4
5 0
3 years ago
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