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Firdavs [7]
2 years ago
14

PLEASE HELP!!!!!!

Mathematics
1 answer:
RideAnS [48]2 years ago
3 0
Is the last one 6.04
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Help!! I cant figure this out for some reason
Thepotemich [5.8K]

Answer:

x³ - 6x² + 18x - 10

Step-by-step explanation:

(f - g)(x) = f(x) - g(x)

= x³ - 2x² + 12x - 6 - (4x² - 6x + 4)

= x³ - 2x² + 12x - 6 - 4x² + 6x - 4 ← collect like terms

= x³ - 6x² + 18x - 10

6 0
3 years ago
One tenth the value of 2 in 8.524
Romashka [77]
85.25 would be one thenth of 8.524
3 0
3 years ago
Read 2 more answers
Find the line y=a+bx which best approximates the data points
Vika [28.1K]

Answer:

y = 11.84x - 32.71

Step-by-step explanation:

Here, the given data points,

(−3,−70),(−1,−42),(1,−21),(2,−9),(4,14),

Let x represents the input value and y represents the output value,

So, the table that represents the given situation is,

x         -3            -1             1             2             4

y       -70          -42         -21         -9             14

By the above table,

\sum x=3

\sum y=-128

\sum xy = 269

\sum x^2=31

\sum y^2 = 7382

Let the equation of the line is,

y = bx + a

Where,

a=\frac{\sum y \sum x^2 - \sum x\sum xy}{n(\sum x^2)-(sum x)^2}

b=\frac{n\sum xy - \sum x \sumy}{n(\sum x^2)-(\sum x)^2}

n = number of data points = 5,

By substituting the values we get,

a = - 32.70547945 ≈ - 32.71,

b = 11.84246575 ≈ 11.84,

Hence, the equation of line would be,

y = 11.84x - 32.71

8 0
2 years ago
What’s the answer ???????????????????
Alenkinab [10]

Answer:

f(9) = - 2/3

Step-by-step explanation:

I don't really know how to answer those but I think I am right

8 0
3 years ago
Yolanda writes checks for $59 and $43. She also deposits$50 in her checking account. What integer represents the change in the n
SSSSS [86.1K]

Answer:

15

Step-by-step explanation:

7 0
3 years ago
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