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tensa zangetsu [6.8K]
3 years ago
8

Factor completely. 20x^3 + 12x^2 + 5x + 3

Mathematics
1 answer:
gogolik [260]3 years ago
6 0

Answer:

(4x2 + 1) • (5x - 3)

Step-by-step explanation:

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A linear regression is done on data the line of best fit is y= 1.25x-6.25. What is the residual for the point (1,1)?
Damm [24]

Answer:

6

Step-by-step explanation:

Find the predicted y value when x=1:

\hat{y}=1.25x-6.25\\\hat{y}=1.25(1)-6.25\\\hat{y}=1.25-6.25\\\hat{y}=-5

Find the residual:

\text{Residual}=\text{Actual Value}-\text{Predicted Value}\\\text{Residual}=y-\hat{y}\\\text{Residual}=1-(-5)\\\text{Residual}=1+5\\\text{Residual}=6

Because our residual is positive, this is an indicator that our predicted y value is too low.

6 0
2 years ago
Cameron has decided to diversify his investments in the following way $3000 in an account earning 2.7% simple interest $5000 in
jolli1 [7]
A=3000(1+3*0.027)=3,243
Interest earned 243
A=5,000×(1+0.018)^(3)=5,274.89
Interest earned 274.89
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Interest earned 617.41

Total interest 243+274.89+617.41=1,135.3
Total amount Amount after 3 years
3,243+5,274.89+5,617.41=14,135.3
3 0
3 years ago
Which expression is equivalent to 6⋅6⋅6?<br><br> 36<br><br> 6³<br><br> 66
devlian [24]

Answer:

6^3

Step-by-step explanation:

6^3 is the same as 6*6*6

5 0
2 years ago
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5/8 is found between Answer B on a number line

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