1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ludmilka [50]
3 years ago
6

the length of the second side of a triangle is 3cm shorter than the first side, and the third side is twice as long as the first

side. if the perimeter is 49 how long are the 3 sides?
Mathematics
1 answer:
frozen [14]3 years ago
5 0

first side = x

second side = x - 3

third side = 2x

The perimeter = 49 cm and is equal x + (x - 3) + 2x

The equation:

x + x - 3 + 2x = 49

(x + x + 2x) - 3 = 49

4x - 3 = 49 |+3

4x = 52 |:4

x = 13 cm

x - 3 = 13 - 3 = 10 cm

2x = 2(13) = 26 cm

Answer: 13cm, 10cm, 26cm.

You might be interested in
Write an<br> inequality to compare – 24 and -14.
Anit [1.1K]

Answer: The position of -24 is to the left of -14.

The position of -14 is to the right of -24.

Step-by-step explanation:

We can conclude that -18 < -2.

We can conclude that -14> -24.

3 0
3 years ago
Write a situation that can be represented by the expression. 5(p+2), where p = the number of points scored
Inessa05 [86]
Okay so basically you add then multiply
5 0
3 years ago
What is the midpoint of the line segment graphed below?
ICE Princess25 [194]

<u>Answer</u>:

option A (4, \frac{7}{2}) is the midpoint.

<u>Explanation</u>:

To find midpoint: (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})

We shall use this formula here:

(\frac{9+-1}{2}, \frac{5+2}{2})

(\frac{8}{2}, \frac{7}{2})

(4,3.5)

4 0
2 years ago
Jody is 56 years old and has 3 grandchildren - Trent, Kennedy and Leslee​.
sweet-ann [11.9K]

Answer: Brent is 16 years old

Step-by-step explanation: i don’t know if this is correct but the way i did it was, 8 + 8=16, 16 + 8 = 24, then 8 - 4 = 4, 16 + 8 + 4 = 28.

4 0
3 years ago
Read 2 more answers
The ages of members of a bowling league are normally distributed with a mean of 43 years and a standard deviation of 4 years.
Shkiper50 [21]

Answer:

35  is  2 standard deviations BELOW the mean of 43

51  is  2 standard deviations ABOVE the mean of 43

 

find z - score for + 2 S.D.     then subtract the z-score for  - 2 S.D.    

 

  This is the percentage ( in decimal form)    of 200 members between the ages of 35 and 51        Can you finish?

3 0
3 years ago
Other questions:
  • Find the GCF if 30,72
    6·2 answers
  • Does anyone know this?
    13·1 answer
  • a nutrition major at wright state was studying the relationship between carbohydrates (x) and calories (y). for example, a servi
    7·1 answer
  • Wiley wants to make as many snack
    7·1 answer
  • Sum or difference 7/8 + 1/3
    8·1 answer
  • Given the similarity statement<br> AJKL ANOP, what's the<br> corresponding side of ON ?
    10·2 answers
  • Find the inverse<br><br>will mark brainliest​
    8·2 answers
  • Calculate the area and perimeter
    5·1 answer
  • I need help thank you
    6·2 answers
  • What is the cube root?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!