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NemiM [27]
2 years ago
9

Can someone please help for brainlest

Mathematics
2 answers:
Ilia_Sergeevich [38]2 years ago
7 0

Answer:

yes it is correct

Step-by-step explanation:

option 1  

OLEGan [10]2 years ago
3 0

Answer:

Your answer is correct! 9:1

Step-by-step explanation:

Old Area = side x side

? = 2 x 2

     4cm

New Area-

Step 1: Triple the sides

2 x 3 = ?

    6cm

Step 2: Find the area

6 x 6 = ?

  36cm

The ratio of the new area to the old area is:

                     36 : 4

But wait! You can simply it!

36 / 4 = 9

4 / 4 = 1

So the new ratio would be:

                     9 : 1

Hope this helps!

Good Luck!

:)

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All of the following are equivalent except _____.
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Answer:

For number 2 the answer is 8/6=20/15

The answer for 3 is 12:26

Step-by-step explanation:

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What is the measure of the missing angle in this triangle<br> Yes
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The measure of the missing angle is 25 degrees.

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The weight of a child in 1990 was 40 lb. By 2005, the child's weight
Maslowich

Answer:

225%

Step-by-step explanation:

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90/40 = 2.25.

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2 years ago
If David plays 3 tennis matches every week for 9 weeks, how many matches will he play altogether
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5 0
3 years ago
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The triangles below are similar because of the:
STALIN [3.7K]

Answer:

ΔABC and  ΔXYZ are SIMILAR by SSS property of similarity.

Step-by-step explanation:

SSS Similarity Theorem:

Two triangles are said to be similar if their  CORRESPONDING SIDES are proportional.

In ΔABC and  ΔXYZ, if \frac{AB}{XY}  = \frac{BC}{YZ} = \frac{AC}{XZ}  , then  △ABC∼△YZX

Here, in ΔABC and  ΔXYZ

AB = 9, BC = x , AC = 12

Similarly, XY = 3, YZ = 2, ZX = 4

Here,

\frac{AB}{XY} = \frac{9}{3}  = 3\\\frac{BC}{YZ} = \frac{x}{2} \\\frac{Ac}{Xz} = \frac{12}{4}  = 3

⇒ Corresponding sides are in the ratio of 3, if BC  =6 units

Hence, if BC  = 6 units, then the ΔABC and  ΔXYZ are SIMILAR by SSS property of similarity.

8 0
3 years ago
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