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
Mice21 [21]
3 years ago
6

the sides of a triangle are in the ratio 3: 4: 5 what is the lenghth of each side if the perimeter of the triangle is 90cm

Mathematics
1 answer:
Andru [333]3 years ago
4 0

3x+4x+5x=90

combine like terms

12x = 90

divide by 12

x = 7.5

sides: 3(7.5) ,4(7.5) ,5(7.5)

    22.5, 30, 37.5

You might be interested in
an electrician has $120 to spend on interior light fixtures. The wholesale price for a 13-watt low-energy lamp is $4. The price
JulsSmile [24]
X = low-energy lamp
y = high-energy lamp

1) 4x + 5y

2) 120= 4x + 5y
8 0
3 years ago
Read 2 more answers
Someone help me please?! Math problem!!!
Gala2k [10]

Answer:

y  = 4/5x  - 9/5

Step-by-step explanation:

4x - 5y = 9  to solve for y you get it by itself.

-4x          -4x   minus 4x from both sides

-5y  = - 4x + 9

/-5            /-5   Divide both sides by 5

 y  = 4/5x  - 9/5   because -4/-5 is 4/5 and 9/-5 is - 9/5


5 0
3 years ago
Paul has a board that is 1200 cm long which of the following measures is equaivilent to 1200 cm
ankoles [38]
12 meters because 100 centimeters is equal to one meter.
4 0
3 years ago
I know this one is hard but its hard for me. PLEASE HELPP
xenn [34]

Answer:

G. <3 and <5 hope this helps

5 0
3 years ago
Read 2 more answers
Need help understanding and answering this please and thank you.
Goshia [24]

It's important to know that rigid transformations don't change the size or shape, this means the corresponding angles between the image and preimage are congruent. Due to the reflection transformation, angle C corresponds to angle Z.

<h2>Therefore, the answer is angle Z.</h2>
5 0
1 year ago
Other questions:
  • What is 700,000 in scientific notation
    6·1 answer
  • DIRECTIONS: Draw a picture to represent each problem. Then, use
    15·1 answer
  • Solve for x<br> 3(X-5)-4X = 6(X-10) -(X+ 5)
    13·1 answer
  • Use Gauss's approach to find the following sums (do not use formulas) a 1+2+3+4 998 b. 1+3+5 7+ 1001 a The sum of the sequence i
    5·1 answer
  • What is the reciprocal of 31/2
    14·1 answer
  • Which are the coordinates of the transformed point?
    7·1 answer
  • A central angle measures 270 degrees . If the radius of the circle is 12 cm , what is the length of the arc intercepted by the c
    8·1 answer
  • Rename the fraction 2/5 using tenths and hundredths​
    15·1 answer
  • The swimming team has 84 members. The number of boys on the team is six more than twice the number of girls. How many boys and g
    13·1 answer
  • The planetary boundary layer (PBL) is the lowest layer of the troposphere; its characteristics are influenced by contact with th
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!