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nikklg [1K]
3 years ago
12

It costs $12 to place 8 lines of copy in a local advertising circular . What is the unit rate per line

Mathematics
1 answer:
Sauron [17]3 years ago
7 0
About $1.5 per line
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If f is a continuous function such that the integral from 1 to 4 of f of x, dx equals 10, evaluate the integral from 2 to 8 of 2
IgorLugansk [536]

Answer: 10

Step-by-step explanation:

Since integral from 1 to 4 of f(x) =10

To evaluate integral from 2 to 8 of 2 times f(2x), using substitution method

Let U = 2x, dU = 2dx, dx = dU/2

Evaluate the limit, upper limit gives dU = 2*4 = 8, lower limit gives dU = 2*1 = 2.

Since this limit are the same as the limit for the question,

Therefore, F(4) - F(1) = F(8) - F(2) = 10

Substituting dx=dU/2

Gives,

Integral from 2 to 8 of 2 times f(2x)= (1/2)(2)(F(8)-F(2)) = 10

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3 years ago
Come up with a rule for adding integers.
Digiron [165]

Answer:

The sum of any integer and its opposite is equal to zero. Summary: Adding two positive integers always yields a positive sum; adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.

Step-by-step explanation:

8 0
3 years ago
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Classify square root 36 A. Whole Number B. Integer C. Rational Number D. Irrational Number
aleksley [76]
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3 years ago
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Write an equivalent expression.
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8.5 the answer is and replace the areas
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Shannon drew the line of best fit on the scatter plot shown below:
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From these points, we can also see that when the x value is zero, the y value is 14. Therefore the y-intercept is 14.

We can then put this into the equation of a straight line, y=mx+c:

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