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creativ13 [48]
3 years ago
7

If Becky reads at a rate of p pages per hour for a total of h hours, which of the following represents the total number of pages

that Becky reads?
Select one:
A. ph
B. ph
C. hp
D. ph
E. p + h
Mathematics
1 answer:
Elis [28]3 years ago
5 0

We are looking for the total number of pages Becky reads, which is dependent on how many hours she reads for. So, we should multiply the number of pages she reads by the number of hours.

The correct answer is p x h or h x p. As long as these two values are multiplied, there is no difference in the order of the values.

Hope this helps!! :)

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Standard form of a point that goes through-2,4 and the slope is -1/7
lesantik [10]

<u>Answer:</u>

Standard form of a line passing through (-2, 4) and having slope of  -1/7 is x + 7y = 26

<u>Solution:</u>

Given that we need to determine standard form of a line that goes through (-2 , 4) and slope of the line is -1/7

Standard form of line passing through point ( a , b ) and having slope m is given by

(y – b) = m ( x – a)   --------(1)

In our case given point is ( -2 , 4 ) and slope is -1/7 that means

a = -2 , b = 4 , m = -(1/7)

On substituting given value of a , b and m is equation (1) we get

(y-4)=\left(-\frac{1}{7}\right)(x-(-2))

=>(y-4)=\left(-\frac{1}{7}\right)(x+2)

=> 7( y - 4 ) = -x – 2

=> 7y + x = -2 + 28

=> x + 7y = 26  

Hence standard form of a line passing through (-2,4) and having slope of –(1/7) is x + 7y = 26

8 0
3 years ago
PLEASE HELP I've been struggling on this one :(
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Answer: The answer is (x+2)(x-4)(x-4)
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Step-by-step explanation:

Answer is very lengthy but I am 100% sure that's the correct answer

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Answer:

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Answer:

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2) The range of the function is the interval [-1, 1]. This is, y is from -1 to 1, and the graph oscilates (is a wave) between those minimum and maximum.

3) The periodicity, P, of the function is such that 0.5P = 2π = > P = 4π

That means that the values repeat every 4π interval (which is the same that 720°)

4) The zeroes of the function are 2π * n, where n is any whole number (negative, zero or positive).

That means that the function crosses the x-axis at

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5) It is an odd function (which means that f(x) = sin(0.5x) = - f(-x) = - sin(-0.5x).

Now you have plenty information to identify the graph.

I also include a graph of the function in the attached pdf file.

       

Step-by-step explanation:

Download pdf
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