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
Travka [436]
3 years ago
8

The perimeter of a triangle is 84. The longest side is 7 meters less than twice the length of the shortest side, x. The middle s

ide is 7 meters longer than the shortest side. What is the length of each side?
Mathematics
1 answer:
elixir [45]3 years ago
4 0
Perimeter = Side + Side + Side
Side 1 = x
Side 2 = x + 7
Side 3 = 2x-7

Plug into the equation:
84 = x + (x + 7) + (2x-7)
84 = x + x + 7 + 2x - 7

Combine like terms:
84 = 4x

Divide by 4 and solve for x:
21 = x

Side 1 = 21

Side 2 = 28
21+7=28

Side 3 = 35
21(2) - 7 = 42 - 7 = 35
You might be interested in
Factor 24 p + 64 <br><br> Find "m"<br> m+8=22
rusak2 [61]
24=8\cdot3;\ 64=8\cdot8\\\\24p+64=8\cdot3p+8\cdot8=\boxed{8(3p+8)}\\========================\\m+8=22\ \ \ |subtract\ 8\ from\ both\ sides\\\\m+8-8=22-8\\\\\boxed{m=14}
5 0
3 years ago
I will give BRAINLIEST to whoever is correct.
NikAS [45]
The correct answer is the last number line because with an inequality, the "equal to" sign below the "<" or ">" means the circle should be filled in. The line is traveling in a negative direction because the inequality says that n is less than -1.
5 0
3 years ago
Read 2 more answers
PLZ HELP! Need this ASAP! Thx so much!<br><br> Find m∠PMK<br><br> Plz show ur work!
max2010maxim [7]
In ∆MKP and ∆MNP

MK = MN

PK = NP

MP = MP

SO ∆MKP AND ∆MNP ARE CONGRUENT.

SO m<PMN = m<PMK


m<NMK = 50

=> m<PMN + m<PMK = 50

=> 2 m<PMK = 50

=> m<PMK = 50/2 = 25°
3 0
3 years ago
AC=23 AB=2x+2 and BC=3x +6 find BC
Vinil7 [7]

Answer:

Step-by-step explanation:

2x + 2 + 3x + 6 = 23

5x + 8 = 23

5x = 15

x = 3

3(3) + 6 = 9 + 6 = 15 = BC

5 0
3 years ago
How many solutions does the equation have? 3(73x+43)−2x+8=5x+12
Reptile [31]

Answer:

there is only one solution -125/212

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • What is 3/16 times 3/8? Someone pls help me
    14·2 answers
  • Use the definition of the derivative to find f'(x) for f(x)=3x^2-5x+2
    12·1 answer
  • What is 15.9 divided by 3,912.99
    12·1 answer
  • I have a flower vase with a 6 " diameter and is 12 " tall I want to fill it 2/3 of the way full how many cubic inches will I fil
    7·1 answer
  • If Beyoncé performed as many songs as
    9·1 answer
  • 20 times 70 equals? Please help, explain this to me.
    5·2 answers
  • Help<br>I'll give brainliest​
    15·2 answers
  • Expand and simplify these 6 questions
    5·1 answer
  • Write the two statements that create the biconditional: There is traffic on the freeway if and only if there are a lot of cars o
    10·1 answer
  • The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!