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guapka [62]
3 years ago
13

What are the answers ?

Mathematics
2 answers:
zavuch27 [327]3 years ago
6 0
Photomath could help I think
V125BC [204]3 years ago
3 0
Top is -10
middle is -343
bottom is -729
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ANEK [815]
The answer would be A
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2 years ago
Calculate the length of the circumference of a circle with a diameter of 4cm
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Listed below are the overhead widths​ (in cm) of seals measured from photographs and the weights​ (in kg) of the seals. Construc
Anarel [89]

Answer and Step-by-step explanation: Scaterplot is a type of graphic which shows the relationship between to variables. In this question, you want to determine if there is a linear relationship between overhead widths of seals and the weights. So, the hypothesis are:

H₀: no linear correlation;

H₁: there is linear correlation;

In this hypothesis test, to reject H₀, the correlation coefficient r of the data set has to be bigger than the critical value from the table.

With α = 0.05 and n = 6, the critical value is 0.811.

The linear correlation is calculated as:

r = n∑xy - ∑x.∑y / √[n∑x² - (∑x)²] [n∑y² - (∑y)²]

r = \frac{6.9632 - 51.1108}{\sqrt{6.439 - (51^{2} )}.6.14482 - (1108^{2} ) }

r = 0.9485

Since r is bigger than the critical value, H₀ is rejected, which means there is enough evidence to conclude that there is linear correlation between overhead widths and the weights.

In the attachments is the scaterplot of the measurements, also showing the relationship.

5 0
3 years ago
What is the simplify answer to 4 3/5 + 15 ÷ 1/5 =​
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Answer:

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2 years ago
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3 years ago
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