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Cloud [144]
2 years ago
9

Help me please brainliest reward

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
7 0

Answer:

The answer is b

Step-by-step explanation:

I had the same question

Anuta_ua [19.1K]2 years ago
5 0
B would be your answer:))
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The ratio of the perimeters of two similar triangles is 4:3. What are the areas of these triangles if the sum of their areas is
emmasim [6.3K]

Answer:

the areas of these triangles are 83.2cm² and 46.8cm²

Step-by-step explanation:

1. If the triangles are similar and the ratio of the perimeter ois 4:3, then the areas are in the following ratio:

4²:3²

 16:9                                                                      

2. The sum of their areas is 65 cm², then, you can calculate the area of the larger triangle as following:

130(16/16+9)

130(0.64)

=83.2cm²

3. The area of the smaller triangle is:

130(9/16+9)

130(0.36)

46.8cm²

<u>Hope this help</u>s

6 0
3 years ago
Find the value of x.<br><br> RZ = 30<br> SW = 5x - 20
Murrr4er [49]
|RZ|=0.5|SW| therefore 2|RZ|=|SW|.

5x - 20 = 2 · 30

5x - 20 = 60    |add 20 to both sides

5x = 80    |divide both sides by 5

x = 16
5 0
3 years ago
What is the value of 5 - 12?
Masja [62]

Answer:

-7

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I don’t know it can someone help me
tatiyna

Answer:

23

Step-by-step explanation:

supplementary angles: 180-85 = 95

95 = 5x-20 ( i forgot the name of the rule, something relating to same side interior angles i think)

115 = 5x

23= x

hope that helped

5 0
3 years ago
Factorise fully 6x^2 - 15x
Ksivusya [100]

Answer:

The answer is :

3x(2x-5)

7 0
2 years ago
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