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
german
2 years ago
12

The perimeter of an equilateral triangle is 63 inches. If the length of each side is (4x-3), find the value of x.

Mathematics
1 answer:
balu736 [363]2 years ago
4 0
Equilateral triangle have the same side lengths. Perimeter = sum of all sides
(4x - 3) + (4x - 3) + (4x - 3) = 63
Remove parentheses
4x - 3 + 4x - 3 + 4x - 3 = 63
Combine like terms
12x - 9 = 63
12x = 72, x = 6

Solution: x = 6
You might be interested in
To raise funds, a school sells two kinds of raffle tickets, some for $6 and the rest for $1.50 . Sales for both amounted to $822
MaRussiya [10]
x-number\ of\ \$1.5\ tickets\\371-x-number\ of\ \$6\ tickets\\\\1.5x+6(371-x)=822\\1.5x+2226-6x=822\\1.5x-6x=822-2226\\-4.5x=-1404\ \ \ \ \ |:-4.5\\x=312\\\\There\ where\ 312\ tickets\ for\ 1.5\ sold
4 0
3 years ago
Read 2 more answers
In triangle ABC, m is the value of x?
Nezavi [6.7K]

Answer:

lol if a = 90 then b = 75 so C is 105

then you get the derivative number which is X by adding a2 b2 then dividing by the c2. so its true

Step-by-step explanation:

6 0
3 years ago
Sorry, but I also need help on this
gladu [14]

Answer:

It B ok

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Evaluate the expression \dfrac{7^2}{x^2-2} x 2 −2 7 2 ​ start fraction, 7, squared, divided by, x, squared, minus, 2, end fracti
sertanlavr [38]

Answer:

7

Step-by-step explanation:

We want to evaluate the fraction below for x = 3. We will put the value of x to be 3:

\dfrac{7^2}{x^2-2}\\\\= \dfrac{7^2}{3^2-2}\\\\= \dfrac{49}{9-2}\\\\= \dfrac{49}{7} = 7

The answer is 7.

3 0
3 years ago
Lorena deposited $2372 into an account that earns 4.5% interest which is compounded once a year. How much money will Lorena have
seraphim [82]
C
--------------------------------------
8 0
3 years ago
Read 2 more answers
Other questions:
  • Solve this equation<br> y= 2x<br> x= -y + 6
    15·1 answer
  • Last one can anyone help me plz​
    5·1 answer
  • Which describes the difference between a property's market value and the
    11·2 answers
  • 4) A skate park charges $5.00 for admission and
    7·1 answer
  • Which point is located at (Negative 0.5, 0.75)?
    8·2 answers
  • Number 9 on my integrated geometry test
    5·1 answer
  • F(x) = 8 – 3x<br>Evaluate f(9)​
    12·1 answer
  • This sign is 50 centimeters high and 40 centimeters along the base. What is it’s area?
    13·1 answer
  • Ship is stationary at sea.
    13·1 answer
  • PLZ ANSWER QUICKLY and will mark branilest!!!!
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!