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kramer
3 years ago
14

using the graph above, explain the meaning of the following coordinate pairs and decide if it belongs to jazmine or kiara

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0
Could you put the picture pls?
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5, –20, 80, <br><br> The geometric sequence?
leonid [27]

Step-by-step explanation:

This sequence is that you should multiply the number by 4 and one number should be positive the other should be negative so

5 -20 80 -320 1280

5 0
3 years ago
A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past
Minchanka [31]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the distance traveled by deluxe tire .

As per given , we have

Null hypothesis : H_0 : \mu \geq50000

Alternative hypothesis : H_a : \mu

Since H_a is left-tailed and population standard deviation is known, thus we should perform left-tailed z-test.

Test statistic : z=\dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

where, n= sample size

\overline{x}= sample mean

\mu= Population mean

s=sample standard deviation

For n= 31,\ \sigma=8000,\ \overline{x}=46,800\ \&\ s=46,800, we have

z=\dfrac{46800-50000}{\dfrac{8000}{\sqrt{31}}}=-2.23

By using z-value table,

P-value for left tailed test : P(z≤-2.23)=1-P(z<2.23)   [∵P(Z≤-z)=1-P(Z≤z)]

=1-0.9871=0.0129

 Decision : Since p value (0.0129) < significance level  (0.05), so we reject the null hypothesis .

[We reject the null hypothesis when p-value is less than the significance level .]

Conclusion : We do not have enough evidence at 0.05 significance level to support the claim that t its deluxe tire averages at least 50,000 miles before it needs to be replaced.

4 0
3 years ago
This is Science I could not pick...
andrew-mc [135]

Answer:

Oils

Step-by-step explanation:

:)

8 0
2 years ago
The circle below represents one whole.<br><br>What percent is represented by the shaded area?​
Lynna [10]

Answer:

1/4

Step-by-step explanation:

8 0
3 years ago
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A building block is in shape of a cube with each side length of 5. what is the volume?
Alexeev081 [22]
5×5×5 = 125..... cubed
4 0
3 years ago
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