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k0ka [10]
3 years ago
5

Examine the graph

Mathematics
1 answer:
enot [183]3 years ago
7 0

Answer:

<em>The scale factor is 3</em>

Step-by-step explanation:

<u>Dilations</u>

A dilation is a transformation that produces an image that has the same shape as the original but has a different size.  

A dilation is described by the scale factor or constant of dilation and the center of the dilation.

We are given a triangle XYZ of coordinates given in the graph to the left:

X=(-1,1), Y=(-1,4), Z=(-2,1)

It was dilated to triangle X'Y'Z' with coordinates:

X'=(-3,3), Y=(-3,12), Z=(-6,3)

Note each coordinate of the dilated triangle is three times the coordinates of the original triangle, thus the scale factor is 3

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Pleaseeeeeeeeeee help.
Sauron [17]

Answer:

The total distance Remy will swim is approximately 236 meters

Step-by-step explanation:

From the given diagram, of triangle ΔCAB, we have that the path Remy is to swim are;

1) Length of segment C to A

2) Length of segment A to B

3) Length of segment B to C

The length of the perpendicular at point D on segment AB to C = 60 meters

Therefore, DC = 60 m

By trigonometric ratios, we have;

tan (\theta) = \dfrac{Opposite \ leg \ length}{Adjacent \ leg \ length}

cos(\theta) = \dfrac{Adjacent\ leg \ length}{Hypotenuse \ length}

We are given the values of the trigonometric ratios of the following angles;

tan(27°) = 0.51

tan(43°) = 0.93

cos(27°) = 0.89

cos(43°) = 0.73

∴ tan(43°) = AD/DC = 0.93

Where the lengths of AC, AD, DB, DC and BC

AD = DC × tan(43°)

∴ AD = 60 × 0.93 ≈ 55.8

Similarly, we have;

tan(27°) = DB/DC

∴ DB = DC × tan(27°)

DB = 60 × 0.51 ≈ 30.6

From cos(\theta) = \dfrac{Adjacent\ leg \ length}{Hypotenuse \ length}, we have;

cos(43°) = DC/AC

AC = DC/(cos(43°))

∴ AC = 60/0.73 ≈ 82.2

Similarly, we have;

cos(27°) = DC/BC

BC = DC/(cos(27°))

∴ BC = 60/0.89 ≈ 67.4

The total distance Remy will swim = AC + AD + DB + BC

∴ The total distance Remy will swim = 82.2 + 55.8 + 30.6 + 67.4 = 236

The total distance Remy will swim = 236 meters

6 0
3 years ago
2m + 11 = 4m + 1<br> Find the solution for m in the equation.
Zinaida [17]
2m + 11 = 4m + 1

2m (-2m) + 11 (+1) = 4m (+2m) + 1 (-1)

12 = 6m

12/6 = 6m/6

m = 2

hope this helps 
5 0
3 years ago
Read 2 more answers
A student in two clarsroom were given a mathematics
alukav5142 [94]

Answer:

90? He score for the class fast and easy

4 0
3 years ago
Identify all the central angles
Aleonysh [2.5K]

Answer:

Option 4

Step-by-step explanation:

The central angles are "Angles in the center"

So,

Central Angles are <AOB, <BOC and <AOC

5 0
4 years ago
Read 2 more answers
A person has a weekly salary of x and gets a raise of 32% which is worth 50$ what is the weekly salary?
GuDViN [60]

Answer:

$156.25

Step-by-step explanation:

A good strategy in my opinion is the "finders" strategy

  50$  =  32%

   x      =  100%

First Multiply 100 by 50

100 x 50 = 5,000

Then Divide 5,000 with 32

5,000/32 = $156.25

If you want to check, then...

156.25 x 32 = 5,000

<em />

<em>x = $156.25</em>

Hope this helps!

-Greg

6 0
3 years ago
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