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3 years ago

If ƒ={(5, 1),(6, 2),(7, 3),(8, 1),(9, 7)}, then the range of ƒ is

1 answer:

4 0

1. The points are in given in the form (x, y) : (x-coordinate, y-coordinate).
2. The range is the set of values onto which ƒ sends the x's.

The x's are sent onto the values 1, 2, 3, 1, 7 -> {1,2, 3, 7} (after removing duplicates)

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Fencing encloses a rectangular backyard that measures 300 feet by 600 feet. A blueprint of the backyard is drawn on the coordina

liubo4ka [24]

Answer:

$(x-15)^2+(y-30)^2=36$

Step-by-step explanation:

we know that

The dimensions of the rectangular backyard in the actual are 300 feet by 600 feet

The dimensions of the rectangular backyard in the blueprint are 30 units by 60 units

therefore

If the radius of the circular flower garden in the actual is 60 feet

then

the radius of the circular flower garden in the blueprint is 6 units

Find the center of the radius in the blueprint

Remember that the circular flower garden is in the center o the backyard

To find out the center, determine the midpoint of the rectangular backyard

C((0+30)/2,(0+60)/2)

C(15,30)

The equation of a circle in center radius form is equal to

$(x-h)^2+(y-k)^2=r^2$

where

(h,k) is the center

r is the radius

we have

$(h,k)=(15,30)\\r=6\ units$

substitute

$(x-15)^2+(y-30)^2=6^2$

$(x-15)^2+(y-30)^2=36$

4 0

3 years ago

At Paulson Middle School, 75% of the sixth grade class is making a B or higher. If there are 21 students

AleksAgata [21]

Answer:

28 students

Step-by-step explanation:

x = Number of students

21 students = 75 percent of x = 3/4 x

3/4 x = 21

x = 21 * (4/3) = 7*4 = 28

8 0

3 years ago

Read 2 more answers

The volume of this rectangular prism is 240 cubic centimeters. What is the surface area?

arlik [135]

2 (d(h+w) + h w) is the surface area

3 0

3 years ago

X=(x-(x - y)); use x = 9, and y= 1

Olegator [25]

Answer:

I think the answer for this question is x=1

x=(9(9-1)

Step-by-step explanation:

7 0

4 years ago

Describe how an ordered pair represents a point on a coordinate plane. Include the terms x-coordinate, y-coordinate, and origin

Blababa [14]

When we look at an ordered pair, it will be presented as (x,y)

The first term, x (called the x-coordinate), will tell us how far we should count outwards from 0 (The Origin). The second term, y (called the y-coordinate), will tell us how far we will count outwards from our x coordinate.

I hope this helps! If you would like me to elaborate more just let me know:)

4 0

4 years ago