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faust18 [17]
3 years ago
10

An acute triangle has two sides measuring 8 cm and 10 cm. What is the best representation of the possible range of values for th

e third side, s?
Mathematics
2 answers:
mr Goodwill [35]3 years ago
8 0

Answer:

The solution for s is the interval--------> (2,18)

All real numbers greater than 2 and less than 18

Step-by-step explanation:

we know that

The <u>Triangle Inequality Theorem</u>, states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side

so

Let

s-----> the third length side of the given triangle

Applying the triangle inequality theorem

8+10> s

18> s -------> s

8+s> 10

s> 10-8

s> 2\ cm

The solution for s is the interval--------> (2,18)

All real numbers greater than 2 and less than 18

alina1380 [7]3 years ago
3 0
The third side of any triangle must be greater than the difference of the given two sides and must be less than the sum of the given two sides.

Given 8cm and 10cm.

The third side s,

s > (10 - 8)                                 s < (10 + 8)
s > 2                                            s < 18

s > 2   and s < 18 .         

Combining the two inequalities:

2 <  s < 18                    Range is between 2 and 18.

So the range for third side is a number between 2 and 18  cm.      Note that 2 and 18 are not included.

s could be any of 3, 4, 5, 7, 9, 13,..17.  I hope this helps.
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A fitness club has two options, one for members and one for nonmembers. Members pay a one-time registration fee of $12 plus $8 p
Liula [17]

Answer:

See below.

Step-by-step explanation:

Let's look at the cost for members (C1) first.  Let x be the number of visits.

C1(x) = 12 + 8x

For non-members (C2), we can do the same.

C2(x) = 10x

You can graph these two equations.

x        C1         C2

0       12          0

1        20        10

2       28        20

3       36        30

4       44        40

5       52        50

6       60        60

7       68        70

Let's make the two equations equal, to find out where the benefit is the same.

12 + 8x = 10x

2x = 12

x = 6

Up to 5 visits, the non-member cost is better.  At 6 visits, there's the same price.  For more than 6 visits, the member cost is better.

7 0
3 years ago
Arnold can read 3 pages in 7 minutes. Brenda can read 8 pages in 14 minutes. Who is the faster reader? Justify your answer.
Mrac [35]

Answer:

Brenda

Step-by-step explanation:

You can divide the number of pages by the number of minutes to find the amount of minutes it takes to read 1 page. For Arnold, 3 pages / 7 minutes = 1 page per approximately 0.43 minutes. For Brenda, 8 pages / 14 minutes = 1 page per approximately 0.57 minutes. Brenda reads slightly faster since 0.57 > 0.43

8 0
3 years ago
Write an exponential function to describe the given sequence of numbers.
andriy [413]

Answer:

  a(n) = 9·6^(n-1)

Step-by-step explanation:

The general term a(n) of a geometric sequence with first term a(1) and common ratio r is given by ...

  a(n) = a(1)·r^(n-1)

Your sequence has first term 9 and common ratio 54/9 = 6, so the function describing it is ...

  a(n) = 9·6^(n-1)

5 0
3 years ago
PLEASE ANSWER THIS ONE!!!
Oliga [24]

Answer:

6:5

Step-by-step explanation:

i think this is it as I square rooted it and go that

7 0
2 years ago
Please help me i have 1 more after this
Zinaida [17]

Answer:

11

Step-by-step explanation:

24 -:- 3+3

8+3

11

7 0
3 years ago
Read 2 more answers
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