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Rasek [7]
3 years ago
11

Complete the pattern. Blank 8,570 , blank, 85.7, 8.57, blank

Mathematics
2 answers:
tekilochka [14]3 years ago
7 0
85700
8570
85.7
8.57
0.857

Each time, you divide by 10 (move the decimal place 1 place value to the left).
Irina-Kira [14]3 years ago
6 0
Just divide each number by 10, simple enough.
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The average price of items listed on your menu is $4. The average price of all items sold in a week is $3. How can this be true?
Alex Ar [27]

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More lower priced items are sold during the week bringing down the average.

4 0
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What is the angle through which the pendulum oscillates between two maximum positions?
babymother [125]

Answer:

does this help

Step-by-step explanation:

What is the maximum angle of a pendulum?

Paul Appell pointed out a physical interpretation of the imaginary period: if θ0 is the maximum angle of one pendulum and 180° − θ0 is the maximum angle of another, then the real period of each is the magnitude of the imaginary period of the other.

8 0
3 years ago
A girl is snorkeling 1 meter below sea level and then dives down another 1.5 meters. How far below sea level is the girl? The gi
VikaD [51]

Answer:

The girl is 2.5 meters below sea level

Step-by-step explanation:

We are told in the question that:

A girl is snorkeling 1 meter below sea level

Hence, her elevation in meters below the sea level = -1m

We are told in the question that:

She then dives down another 1.5 meters

Once again: Her elevation in meters below the sea level = -1.5m

How far below sea level is the girl?

This is calculated as:

-1 m + -1.5m

= -1m - 1.5m

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7 0
4 years ago
Evaluate -y + (-z) + 7.99 where y = 1.46 and z = 3.82
Oksana_A [137]

Answer:

2.71

Step-by-step explanation:

-(1.46) +(_3.82)+7.99= -1.46-3.82+7.99

2.71

6 0
2 years ago
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A shoe manufacturer was investigating the weights of men's soccer cleats. He felt that the weight of these cleats was less than
aleksklad [387]

Answer:

 The conclusion is that the researcher was correct

Step-by-step explanation:

From the question we are told that

     The sample size is  n =  13

    The sample mean is  \= x =  9.63

     The standard deviation is  s =  0.585

      The significance level is  \alpha  =  0.05

The Null Hypothesis is  H_o :  \mu = 0

The Alternative  Hypothesis  is  H_a =  \mu < 10

The test statistic is  mathematically represented as

          t =  \frac{\= x - \mu }{\frac{s}{\sqrt{n} } }

Substituting values

          t =  \frac{9.63  - 10 }{\frac{0.585}{\sqrt{13} } }

         t =  -  2.280

Now the critical value for \alpha is  

     t_{\alpha } = 1.645

This obtained from the critical value table

  So comparing the critical value of alpha and the test value we see that the test value is less than the critical value so the Null Hypothesis is rejected

 The conclusion is that the researcher was correct

 

 

6 0
4 years ago
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