3 years ago

Describe how the transformed function below is obtained from its parent function.

Mathematics

1 answer:

Debora [2.8K]3 years ago

3 0

Answer is D... the -3 outside the absolute/parenthesis shifts is down

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The perimeter of a parallelogram is 180 cm. One side exceeds the other by 10 cm. What are the lengths of adjacent sides of the p

Georgia [21]

Answer:

one side is 40 other is 50

Step-by-step explanation:

perimeter=180cm

let one side=length=x

Acc. to condition:

other side=width=x+10 (one side exceed other by 10)

perimeter= 2(length+width)

subtitue all values given above:

180=2(x+x+10)

180=2(2x+10)

2x+10=180/2

2x+10=90

2x=90-10

2x=80

x=40

now

lenght=x=40cm

width=x+10=40+10

width=50cm

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3 years ago

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3 years ago

Please solve for x and show work

Ksju [112]

Answer:

$18 \times 14 = {(6x)}^{2} \\ {x}^{2} = \frac{18 \times 14}{36} = 7 \\ x = \sqrt{7}$

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3 years ago

The circular area covered by a cell phone tower can be represented by the expression 225π miles2. What is the approximate length

Irina18 [472]

Answer:

The length of the diameter of this circular area is of 30 miles.

Step-by-step explanation:

The area of a circular region can be represented by the following equation:

$A = \pi r^{2}$

In which r is the radius. The diameter is twice the radius.

In this question:

$A = 225\pi$

$A = \pi r^{2}$

$225\pi = \pi r^{2}$

$r^{2} = 225$

$r = \pm \sqrt{225}$

The radius is a positive measure, so

$r = 15$

Area in squared miles, so the radius in miles.

What is the approximate length of the diameter of this circular area

D = 2r = 2*15 = 30 miles

The length of the diameter of this circular area is of 30 miles.

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3 years ago

Substitute x=3y+1 into the expression-x -7 and simplify

ratelena [41]

Answer:

Step-by-step explanation:

x-7

3y+1-7

3y-6

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3 years ago