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sweet [91]
3 years ago
6

Which BEST describes the construction of a triangle if given the segment lengths of 3 cm, 5 cm, and 3 cm?

Mathematics
1 answer:
zysi [14]3 years ago
7 0
This item has no choices given,but here's how to check this out.

<span>Take the three sides of a triangle, add them in pairs. Check if the sum is greater than (not equal to) the third side.</span>

If that is true, then it is possible to construct a triangle with the given side lengths.

Let us try the measure of line segments given above.

3 + 5 > 3      3 + 3 > 3   5 + 3 > 3

      8 > 3       6 > 3          8 > 3

You see, each side lengths are greater than the third side length, therefore, you can construct a triangle out of these segment lengths.


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The question is............
irina1246 [14]
A(n,s)=(ns^2)/(4tan(180/n)), n=number of sides, s=side length

A(8,4.6)=(8*4.6^2)/(4tan22.5)

A(8,4.6)=42.32/tan22.5 m  (exact)

A(8, 4.6)≈102.17 m^2  (to nearest hundredth of a square meter)
7 0
3 years ago
Juliet rented a car for one day from a company that charges $80 per day plus $0.15 per mile driven. If she was charged a total o
svlad2 [7]

Answer:

B) 120

Step-by-step explanation:

m = miles

$98=$80+$0.15m

$98-$80=$80-$80+$0.15m

$18=$0.15m

$18/$0.15=$0.15m/$0.15

120=m

Juliet drove 120 miles for $98.

(this is a good explanation, I guess)

7 0
3 years ago
Read 2 more answers
In 2009 the life expectancy is about 80 life expectancy gains 5.7 years every decade. From 2009 in how many years would humanity
Dmitry [639]

Answer:

  about 70 years

Step-by-step explanation:

Life expectancy (e) improves by 5.7 years every 10 years, so 5.7/10 = 0.57 years per year. For t years after 2009, it can be modeled by ...

  e = 0.57t +80

We want to find when that is 120:

  120 = 0.57t +80

  40 = 0.57t

  40/0.57 = t ≈ 70.2

About 70 years from 2009, humanity may achieve a life expectancy of 120 years.

3 0
3 years ago
HELP ME PLEASE!!! I WILL MARK YOU AS A BRAINLIEST!!
astra-53 [7]

Answer:

2.5 eggs per chicken

Step-by-step explanation:

8 0
3 years ago
Choose 3 ratios in simplest form. 3:9
Sonja [21]

Answer:

Step-by-step explanation:

1:3

6:18

9:27

are all equivlent ratios

7 0
3 years ago
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