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Sever21 [200]
1 year ago
6

A line of best fit is f(x) ≈ −0.86x 13.5 for the set of points in the table.

Mathematics
1 answer:
Serjik [45]1 year ago
8 0
<span>The question asks us to calculate the value of the fuction that best fits the set of the points in the table when x = 18. We know that the function is: f ( x ) = - 0.86 x + 13.5. We have to put the value ( x = 18 ) in the function: f ( 18 ) = - 0.86 * 18 + 13.5 = - 15.48 + 13.5 = - 1.98. Answer: When x = 18, f ( x ) = - 1.98.</span>
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What two partial products would you add to find 513 x 46
Afina-wow [57]
First, let me do the Mathematical part of that, and then I shall explain the theory behind it.

Mathematical part:
We are going to multiply 513 with 46. So the two partial products that we are going to choose are 40 and 6.

Multiply 513 with 6 first.

    513
    x46
--------------------------
      18 (as 6*3 = 18)
      60 (as 6*10 = 60; In 513, the digit at tenths place is 1, so 1*10=10)
  3000 (as 6*500 = 3000; In 513, 5 is at hundredth place, so 5*100=500)
    120 (as 40*3 = 120; since 4 is at the tenth place, so 4*10=40)
    400 (as 40*10 = 400)
20000 (as 40*500 = 20000)
--------------------------
23598 (Add all of them)


Theory:
As you can see above that we have chosen the two partial products individually which are 6 and 40. Since 4 in 46 is in tenth place, we have to consider it 40 (since 4*10 = 40). One by one, we first multiply 6 with 513. Then we move to the tenth place, and multiply 513 with 40. At the end, we have added all the results we found after multiplication.

Check: If we check the multiplication result by using the calculator, we would get the same result (23598).

Another Method (instant):
513 * (40+6) = (513*40) + (513*6) = 23598.
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Answer:

y – 1 = y minus 1 equals StartFraction one-half EndFraction left-parenthesis x minus 5 right-parenthesis.(x –5)

Step-by-step explanation:

we know that

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y-y1=m(x-x1)

we have

m=\frac{1}{2}

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substitute

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Arte-miy333 [17]

Answer:

the answer is D

Step-by-step explanation:

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Answer:

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