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bekas [8.4K]
2 years ago
12

A study found that there is no direct relationship between the time that 8th-grade students spend brushing their teeth and their

final math grade for the year.
What is the correlation?

A.) negative
B.) positive
C.) no correlation
Mathematics
1 answer:
Elza [17]2 years ago
7 0

Answer:

c

Step-by-step explanation:

no correlation, because there's no direct relationship

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I NEED HELP WILL GIVE CRWON ... SHOW YOUR WORK...
Goryan [66]

Answer:

(b) so the fish was at 14 feet and know the fish is at 6 feet

and sorry i do not understand (a)

4 0
2 years ago
The polynomial 8x2 – 8x + 2 – 5 + x is simplified to 8x2 – gx – h. What are the value of g and h?
docker41 [41]

Answer:

Step-by-step explanation:

8x^2 - 8x + 2 - 5 + x.....combine like terms

8x^2 - 7x - 3 <=== g = 7 and h = 3

3 0
3 years ago
The variable z has a standard normal distribution. find the value z such that the event z &gt; z has proportion 0.08. z = –1.41
andrezito [222]

The appropriate choice is z = 1.41.


The empirical rule tells you 68% of the distribution is within 1 standard deviation, so p(z > 1) ≈ 0.17. This means the z value is more than 1 for the probability to drop to 0.08. The only choice that is greater than 1 is 1.41. (The number is actually about 1.40507.)

3 0
3 years ago
Which of the following statements are true about the graph of the function f(x)=(x+5)(x-3)
mina [271]

x * x = x^2

x * -3 = -3x

5 * x = 5x

5 * -3 = -15

x^2 -3x + 5x -15

x^2 + 2x -15

This function is a quadratic function, with an upwards parabola.

4 0
2 years ago
What is the formula for t in this equation : s=1/2at^2 .
9966 [12]
<span>s=1/2at^2
2s = at^2
t^2 = 2s/a
t = +  square root (2s/a) and </span>t = -  square root (2s/a) 
or
       +  square root (2sa)
 t = ------------------------------
                a        
 and
        -  square root (2sa)
 t = ------------------------------ 
                a              
6 0
3 years ago
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