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valentinak56 [21]
4 years ago
5

What is a "null hypothesis"?

Mathematics
2 answers:
trapecia [35]4 years ago
8 0
A null hypothesis is a statement where there is no association between the two groups you're talking about. 
Gala2k [10]4 years ago
8 0
The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
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Find the length of segment ST <br> A) 74 units <br> B) 12 units <br> C) 10 units <br> D) 74 units
vodomira [7]
74 units would be your answer for the length segment
4 0
4 years ago
What is the fifth term of the sequence defined by the recursive rule f(1) = 5, f(n)=f(n-1) + 3
Oxana [17]

Answer:

f(5) = 17

Step-by-step explanation:

Using the recursive rule and f(1) = 5 , then

f(2) = f(1) + 3 = 5 + 3 = 8

f(3) = f(2) + 3 = 8 + 3 = 11

f(4) = f(3) + 3 = 11 + 3 = 14

f(5) = f(4) + 3 = 14 + 3 = 17

7 0
3 years ago
4 What is the x and y intercept of the equation y =
Aloiza [94]

Answer:

C

Step-by-step explanation:

To find the x-intercept, set y to equal 0 and solve for the equation 0=-2x-2.

2=-2x

x=-1

x-int: (-1,0)

This eliminates choices B and D.

To find the y-intercept, set x to equal 0 and solve for y.

y=-2(0)-2

y=-2

y-intercept:(0,-2)

The only choice with both these values is C.

8 0
3 years ago
Someone help me (show work)
Marysya12 [62]
For #2 he has 148 colored marbles.

3 0
4 years ago
What is the approximate area of the shaded sector in the circle below
melisa1 [442]
First to find the area the formula is A=pi(r^2)
so plug in the numbers                   A= (3.14)(4.5)(4.5)= 63.62 is the total area

150*63.62=9543         9543/360=26.5


So the answer is 26.5 cm ^2
8 0
4 years ago
Read 2 more answers
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