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yanalaym [24]
3 years ago
6

Help me this question . i don't know how to count .

Mathematics
2 answers:
elena-s [515]3 years ago
7 0
H = -1/2; h = 2

There are two answers for this question, -1/2 (or -0.5) and 2.
klio [65]3 years ago
3 0
-1/2 or 2...........................................
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Please help me on this please
RideAnS [48]

Answer:

B

Step-by-step explanation:

Use the properties of logs.

6 0
3 years ago
Read 2 more answers
Find the slope of a line that passes through the following points
Olenka [21]

Answer:

-4/1

Step-by-step explanation:

slope = rise/run= -4/1= -4

if my answer helps please mark as brainliest.

6 0
3 years ago
X = 3 - y
nlexa [21]

Answer:

Im pretty sure its 6. So d

Step-by-step explanation:

8 0
3 years ago
A sample of 900 computer chips revealed that 75% of the chips do not fail in the first 1000 hours of their use. The company's pr
Vaselesa [24]

Answer:

No the evidence is not sufficient

Step-by-step explanation:

From the question we are told that

    The  sample  size is  n  =  900

   The  sample  proportion is  \r p  = 0.75

    The  population proportion is  p  = 0.72

The  Null hypothesis is

   H_o  : p =  0.72

The  Alternative  hypothesis is

   H_a  :  p > 0.72

The level of significance is given as  \alpha  = 0.05

The critical value for the level of significance is  t_{\alpha }  =  1.645

 Now the test statistic is mathematically evaluated as

          t =  \frac{\r p -  p }{ \sqrt{\frac{p(1-p)}{\sqrt{n} } } }

substituting values

        t =  \frac{ 0.75 -  0.72 }{ \sqrt{\frac{0.72 (1-0.72)}{\sqrt{900} } } }

        t =  0.366

Since the critical value is  greater than the test statistics then the Null hypothesis is rejected which there is no sufficient evidence to support the claim

       

 

8 0
4 years ago
What is the square root of the number of provisional moons on saturn
My name is Ann [436]

Answer:

7.874

Step-by-step explanation:

The current information at NASA concerning the number of moons in Saturn indicates that Saturn has at least 62 moons.So working with this value, the question requires you to find the square root of 62

This is ;

=√62

=7.874

5 0
4 years ago
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