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Paladinen [302]
2 years ago
11

Please help with the following question

Mathematics
1 answer:
SIZIF [17.4K]2 years ago
3 0

Answer:

You can use the app called solving math or course hero!

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In performing a chi-square goodness-of-fit test for a normal distribution, a researcher wants to make sure that all of the expec
Sholpan [36]

Answer:

The degrees of freedom for the chi square statistic is 7-4=3

3 0
3 years ago
Need help with this test plz n thanks
Nastasia [14]
1+1 = 2
So if it is 2 then 2+6 = 8
I hope this helped love
7 0
3 years ago
Find the measure of angle XAZ in the figure below.
Bess [88]

Answer:

m∠XAZ = 40°

Step-by-step explanation:

Since ∠YAU, ∠YAZ and ∠XAZ are the angles based at a point on a straight line, and the sum of the all angles on a line is 180°.

Therefore, m∠YAU + m∠YAZ + m∠XAZ = 180°

50° + 90° + m∠XAZ = 180°

m∠XAZ = 180° - 140°

             = 40°

Therefore, measure of angle XAZ is 40°.

5 0
3 years ago
Chapter 1: Quadrati
Bad White [126]

Answer:

mid point of AB (0.5 , 0)

Step-by-step explanation:

2x + 5y = 1      2x = 1 - 5y

y = 2xy+ 5 = (1 - 5y)*y + 5 = y - 5y² + 5

y-y = y - 5y² + 5 - y = - 5y² + 5

0 = - 5y² + 5

5y² = 5

y² = 1

y = 1 or y = -1

if y = 1       x = 1/2 (1 - 5) = -2   .... point A (-2 , 1)

if y = -1      x = 1/2 (1 + 5) = 3   ..... point B (3 , -1)

mid point of AB (x' , y') :  x' = 1/2 (x₁ + x₂) = 1/2 (-2 + 3) = 1/2

                                        y' =  1/2 (y₁ + y₂) = 1/2 (-1 + 1) = 0    

8 0
3 years ago
Evaluate 6a + 4 when a=1/3
ozzi

Answer:

6

Step-by-step explanation:

6 x 1/3 = 2

2 + 4 = 6

- Hope this helps! If you would like further help on this please let me know.

3 0
3 years ago
Read 2 more answers
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