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Genrish500 [490]
3 years ago
6

Help plz...................................

Mathematics
1 answer:
N76 [4]3 years ago
8 0

Answer:

12

Step-by-step explanation:

These are similar triangles, so the ratio of their sides is the same for each side.

AB = 8  and  BD = 10

So, the ratio is 8:10   or   4:5

Because the triangles are similar....

The ratio of AC:CE  is also  4:5

12:15 = 4:5

So, 12 is the answer!

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The population of bald eagles is decreasing 4% each year. In 2015, there were 2800 bald eagles.
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Answer:

1120 Eagles

Step-by-step explanation:

If the population of Eagles decreases by 4% percent each year, then in 2030 (which is 15 years later), the population would decrease by (4 × 15)%

that is 60%

This indicates that the population of bald eagles in the year 2030 would be 60% less of what it was in the year 2015.

so we have, \frac{60}{100} × 2800

which gives us 1680

this means that the number of bald eagles in the year 2030 would be 1680 less than the number of bald eagles in the year 2015

hence 2800 - 1680

then the answer is 1120 Bald Eagles

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Which point is the center of the circle?
Genrish500 [490]

Answer:

Step-by-step explanation i dont know?

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Find the perimeter of the equilateral triangle 3x² + 5x + 12​
kherson [118]

Answer:

Perimeter is 9x² + 15x + 36

Step-by-step explanation:

{ \tt{perimeter = s \times s \times s}} \\ { \tt{p = 3s}}

  • p is the perimeter
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{ \tt{p = 3(3 {x}^{2} + 5x + 12) }} \\ { \boxed{ \tt{ \blue{p = 9 {x}^{2} + 15x + 36 \:  }}}}

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