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dimulka [17.4K]
3 years ago
8

10 x 42x - 18 = 2082

Mathematics
1 answer:
musickatia [10]3 years ago
4 0
Hey, I am able to help you today :)

Step 1 - Simplify:
420x^2 - 18 = 2082

Step 2 - Add 18 to both sides:
420x^2 = 2082 + 18

Step 3 - Simplify 2082 + 18 to 2100:
420x^2 = 2100

Step 4 - Divide both sides by 420:
x^2 = 2100/420

Step 5 - Simplify 2100/420 to 5
x^2 = 5

Step 6 - Simplify:
x = 5

Step 7 - Check your answer:
10 x 42 x 5 - 18 =2082

Hope this helps you today :)
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What is the slope of a line represented by the equation 2y = x – 4
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Step-by-step explanation:

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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:

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The regression equation is given by:

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Comparing the equation to a linear equation:

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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
4 years ago
I need help to find the slope of graph.
Misha Larkins [42]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Ooooooo a bonus!!!!!!!!!!!
Katena32 [7]

Answer:

The answer is B:25

Step-by-step explanation:

60 into two classes.

2/3= 40/60,so one class made 40 cookies and the other needs to make 20 cookies. 20 x 1 1/4 = 100/4 = 25.

so the second class needs 25 tablespoons of M&Ms for the cookies.

Plz make me brainliest :)

7 0
3 years ago
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