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grin007 [14]
2 years ago
7

Find the value of x. 130° (3x + 5)º

Mathematics
1 answer:
Svetach [21]2 years ago
8 0

Answer:

15 = X . hope this helped

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Levens and frank shared a pizza levens ate 1/2 and frank ate 1/6 how much more did levens eat than Frank?
bezimeni [28]

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the answer is 9

Step-by-step explanation:

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Question 5 please help
dalvyx [7]
16 days since 2/5 is 0.4 and there was 40 days then 2/5 * 40 is 16

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3 years ago
A simple linear regression analysis was conducted to predict the Exam 3 score of students in STA 2023 based on their Exam 1 scor
Katena32 [7]

Answer:

Option A) As the Exam 1 score increases by 1 point, the student's Exam 3 grade will increase, on average, by 0.4845 points.

Step-by-step explanation:

We are given the following in the equation:

A simple linear regression analysis was conducted to predict the Exam 3 score of students in STA 2023 based on their Exam 1 score.

Thus, Exam 3 score becomes the dependent variable and exam 1 score is the independent variable.

The regression equation is given by:

\hat{y} = 50.57+0.4845x

Comparing the equation to a linear equation:

y = mx + c

m = 0.4845

c = 50.57

Where m is the slope and tells the rate of change and c is the y intercept that is the value of y when x is 0.

When, there is a increase in x, we can write:

\hat{y}(x) = 50.57+0.4845x\\\hat{y}(x+1) = 50.57+0.4845(x+1)\\\hat{y}(x+1) - \hat{y}(x) = 50.57+0.4845(x+1)-(50.57+0.4845x)\\\hat{y}(x+1) - \hat{y}(x) = 0.4845

Thus, the slope of equation can be interpreted as:

Option A) As the Exam 1 score increases by 1 point, the student's Exam 3 grade will increase, on average, by 0.4845 points.

5 0
3 years ago
Ken receives $521 for maintenance on his grandmother's house and $347 for yard work. Which is the best estimate for how much mon
VikaD [51]

Answer:

521

+347

868

870

Step-by-step explanation:

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What term best describes the graph of y = x - 1?<br>Increasing, Decreasing, Constant, or Positive​
egoroff_w [7]

Answer : increasing

Step-by-step explanation:

:D

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3 years ago
Read 2 more answers
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