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AveGali [126]
3 years ago
7

Sarah read 215 pages of her book during the first week of vacation. During the second week she read62 more pages then the first

week
Mathematics
2 answers:
Sholpan [36]3 years ago
7 0

Answer: she read 277 books

Step-by-step explanation:

Katarina [22]3 years ago
3 0

Answer:

She read 277 pages during the second week.

Step-by-step explanation:

215 + 62.

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Included angle between and : ∠A ∠S ∠W
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Angle between SW and WA is <W

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Find the product of the sum of 1/2 and -3/4 and difference of -5/6 and 13/8
Zolol [24]

Product of the sum of 1/2 and -3/4 and difference of -5/6 and 13/8

= (1/2-3/4)×(-5/6+13/8)

= -1/4×19/24

= -19/96

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3 years ago
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Question 3 (Essay Worth 10 points) (05.07 MC) The scatter plot shows the number of strawberries that have been picked on the far
solong [7]

It's not an accurate value for the data based on the scatter plot, r = 0.01 is not an accurate value for this data, because 0.01 means practically no correlation, while the points on the graph are moderately correlated

<h3>How to illustrate the information?</h3>

1. Part A:

Since the points in the scatter plot show a moderated upward trend, you must expect a correlation coefficient close to ± 0.5. A correlation coefficient of 0.01 is too close to 0, which would mean that the points are almost not correlated at all.

The correlation coefficients, r, measure the strength of the correlation of two variables and they can have values from - 1 to  1.

Here, r = - 1 is a perfect negative correlation as the points will adjust perfectly to a line with negative slope.

r =  + 1 is a perfect positive correlation: the points will ajdust perfectly to a line with positive slope.

r = 0 means that the variables are not correlated at all.

Hence, the closer to zero, the worse the correlation is, and that is what r = 0.01 means, but the graph shows other thing.

Therefore, the calculated value of r = 0.01 is not accurate for this scatter plot.

2. Part B.

A causal relationship means that the explanatory variable (the independent variable) is the cause of the dependent variable.

Hence, you must find a reasonable variable that can be the cause of the number of strawberries picked.

Thus, the scenario could be:

Amout of rainfall in mm (x)         Number of strawberries picked (y)

      100                                                     20

        50                                                     40

        25                                                     80

        12.5                                                  160

        6.25                                                 320

The amount of rainfall is the cause of the number of strawberries picked, and you could find a model that relates both variables.

Learn more about scatter plot on:

brainly.com/question/6592115

#SPJ1

4 0
2 years ago
Absolute value -30 minus absolute value -4 plus absolute value 5=
Fittoniya [83]

Answer:

31

Step-by-step explanation:

|-30| - |-4| + |5| = 30 - 4 + 5 = 31

7 0
3 years ago
Alex has a 70 percent of her weekly paycheck automatically deposited into a saving account this week 35 is deposited Alex wants
garri49 [273]

Answer: 50

Step-by-step explanation:

Let X represents his total weekly pay check

Hence, 70% of X = 35

70/100 × X =35

0.7 × X =35

0.7X =35

X = 35 ÷ 0.7

X = 50

X which is 50 is Alex 100% weekly pay check.

8 0
3 years ago
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