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nexus9112 [7]
3 years ago
15

Jerry went for an 18 mile bike ride, he completed 2/9 of his trip. How many more miles of the trip does jerry have to complete

Mathematics
1 answer:
STALIN [3.7K]3 years ago
4 0

Answer:

14 miles remaining.

Step-by-step explanation:

2/9 of 18 is 4 -

2/9 x 18/1 = 36/9 = 4

Then you just subtract 4 from 18

18 - 4 = 14

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The correlation coefficient between two quantitative variables is approximately 0.6. What does the value of this correlation coe
murzikaleks [220]

Answer:

The model does not fits the data well.      

Step-by-step explanation:

Correlation:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • A positive correlation means that an increase in one quantity leads to an increase in another quantity
  • A negative correlation means with increase in one quantity the other quantity decreases.

R-square, R^2

  • The quantity R-squared is an indicator of the predictive power of a model.
  • It explains the variation in the dependent variable due to independent variable.
  • It shows how well the model fits the data.
  • R-squared is also known as the  coefficient of determination.

R^2 = \text{(Correlation coefficient)}^2= (0.6)^2 = 0.36 = 36\%

Therefore, only 36% of the variations in the dependent variable is explained by the independent variable in the model which means more than 50% of variation cannot still be explained in the dependent variable.

Hence, the model does not fits the data well.

8 0
3 years ago
PLSSSS HELPPPPPPPPPPPPPPPPPP
MArishka [77]

Answer:

\huge\boxed{\sf Option \ 1}

Step-by-step explanation:

People surveyed = 42

People who approved = 25

<u>So, the sample is:</u>

25 residents who approve.

<u>And population:</u>

42 residents surveyed.

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3 0
2 years ago
Rita is planting saplings along her garden fence. When she started, she had x packages of saplings with 5 saplings per package.
Arturiano [62]

Answer:

<u>A. When Rita started, she had 7 packages of saplings.</u>

<u>B. If we represent x (number of packages of saplings) on a number line graph, it will start on number 4 (number of packages Rita still has) then moves to the right to number 7, that is the number of packages when Rita started to plant.</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Number of packages Rita started = x

Number of saplings per package = 5

Number of saplings planted by Rita = 15

Number of saplings left = 20

2. How many packages of saplings did she start with?

Number of packages Rita started = (Number of saplings planted by Rita + Number of saplings left)/Number of saplings per package

Replacing with the real values:

x = (15 + 20)/5

x = 35/5 = 7

<u>When Rita started, she had 7 packages of saplings.</u>

3. What would the solution look like on a number line graph?

If we represent x (number of packages of saplings) on a number line graph, it will start on number 4 (number of packages Rita still has) then moves to the right to number 7, that is the number of packages when Rita started to plant.

5 0
3 years ago
Does a polygon usually have more sides or angles?
Arisa [49]
Polygons include
triangles
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square
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etc.
7 0
3 years ago
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The total number of miles Jeremy walked on a hike can be represented by using the formula. If and n represents the total number
KatRina [158]

Answer:

A) 2 miles, 5 miles, 8 miles

Step-by-step explanation:

Let's get some details cleared.

We're interested in finding how many miles he walked at the end of each hour in a period of 3 hours.

We know what  is, so we can use that as our starting point.

Your answer is A.

7 0
3 years ago
Read 2 more answers
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