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alexandr1967 [171]
3 years ago
7

Need help solving please!!!

Mathematics
1 answer:
Sidana [21]3 years ago
5 0

Answer:

Ha goood luck

Step-by-step explanation:

Ha goog

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A line is perpendicular to y = -1/2x-1
brilliants [131]

Answer:

y= 2x -3

Step-by-step explanation:

The first thing you should know is that the slope of a perpendicular line is the opposite reciprocal. So, this is your current equation: y= 2x + b. Next, substitute your point into the equation to get the y-intercept. It should look like this: 9=2(6) + b. 6 times 2 equals 12. Now, this is what it should look like: 9=12 + b. Subtract 12 from both sides to get -3 = b. Go back to your original equation and plug in -3 to b. This is your final equation: y= 2x -3. Hope this helped!

4 0
3 years ago
2-13^3-10(23+21) = X
Tanya [424]

Answer:

x= -2635

Step-by-step explanation:

2 - 2197 - 10 x 44 = x

2- 2197 - 440 = x

-2635 = x

8 0
2 years ago
Read 2 more answers
If the correlation between height and weight of a large group of people is 0.75​, find the coefficient of determination​ (as a​
Shtirlitz [24]
Independent variable is the predictor variable which is the height and dependent variable is the response variable which is weight in this scenario.

The square of correlation coefficient gives the coefficient of determination. It is denoted by R² (R squared).

We are given:
R = 0.75

So,
R²  = 0.75²

R² = 0.5625

R²  = 56.25 %
The coefficient of determination tells how much of the trend of dependent data can be explained by the independent data using the linear regression model. So in the given case, Height can explain 56.25% of the trend in the weight.
4 0
3 years ago
Read 2 more answers
Help with numbers 40-48
adelina 88 [10]

Answer: -8

Step-by-step explanation:

8 0
3 years ago
What is the slope of the line through (0,-1) and (2,3)?
aniked [119]
Slope = (y2-y1)/(x2-x1)
(3+1)/(2-0) = 4/2 = 2
The slope is 2
3 0
2 years ago
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