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3 years ago

Question from my math test.

Mathematics

2 answers:

zmey [24]3 years ago

7 0

Answer:

$5.50

Step-by-step explanation:

We can list out some values and continue this pattern until we reach 11 pages.

2 pages costs $1

4 pages costs $2

6 pages costs $3

8 pages costs $4

These are all points described by your graph. We will notice that every two pages costs $1, which also means that each additional page costs $0.50

This means that:

10 pages costs $5

and

11 pages costs $5 + $0.50 = $5.50

zavuch27 [327]3 years ago

4 0

Answer:

5.5

Step-by-step explanation:

1 = 0.5

2 = 1

x1/2

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Answer:

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Find the expression for h(x) f(x)=-x^2-1

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Answer:

h(x) = -x^2 - 1

Step-by-step explanation:

well y, h(x), f(x), n(x), or any other something of x is all the same thing y.

So if f(x) is -x^2 - 1,

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3 years ago

Find the gradient of the line segment between the points (-2,3) and (-5,7)

Rudiy27

Answer:

$\frac{4}{ - 3}$

Procedures:

$\frac {y2 - y1}{x2 - x1}$

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$\frac{7 - 3}{ - 5 + 2}$

$\frac{4}{ - 3}$

7 0

3 years ago

a walking path across a park is represented by the equation y=-2x-7. A new path will be built perpendicular to this path.The pat

jonny [76]

Answer:

The equation that represents the new path is y=(1/2)x-2

Step-by-step explanation:

step 1

Find the slope of the give line

we have

y=-2x-7

the slope m is equal to

m=-2

step 2

Find the slope of the perpendicular line to the given line

Remember that

If two lines are perpendicular, then their slopes are opposite reciprocal of each other

we have

m=-2 -----> slope of the given line

therefore

The slope of the perpendicular line is equal to

m=1/2

step 3

With m=1/2 and the point (-2,-3) find the equation of the line

y-y1=m(x-x1)

substitute

y+3=(1/2)(x+2)

y=(1/2)x+1-3

y=(1/2)x-2 -----> equation that represent the new path

8 0

3 years ago

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