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
Naddika [18.5K]
2 years ago
7

rectangle A and B are identical. each has a perimeter of 40cm. they are put together to make a new rectangle. the perimeter of t

he new rectangle is 68cm. work out the length and width of rectangle A.
Mathematics
1 answer:
Doss [256]2 years ago
6 0

Answer:

  6 cm by 14 cm

Step-by-step explanation:

The perimeter of the joined figure will be the sum of the perimeters of rectangles A and B, less the lengths of the sides that are joined. The two joined sides have a total length of ...

  (40 cm) +(40 cm) -(68 cm) = 12 cm

Then the length of the joined sides is 6 cm. The length of the other side of the rectangle is the difference between half the perimeter and this, or ...

  (40 cm)/2 -6 cm = 14 cm

The length and width of rectangles A and B are 14 cm and 6 cm. When put together, they are joined on the 6 cm side.

You might be interested in
If each commercial lasts 1/2 minute how many commercials are there in a 4-hour program?
Ivenika [448]

Answer:

if each commercial lasts 1/2 minute how many commercials are there in a 4-hour program?

480

Step-by-step explanation:

4 hours= 240 mins

240/0.5=480

6 0
3 years ago
What is the value of x<br><br>46<br><br>56<br><br>67<br><br>134
AleksAgata [21]
Hey there!

1.) let's remember that a acute angel is very tiny, it is less then 90 degrees. So we would want to find one of your options that would be very small.

46 would seem to be the answer.

x=46

Hope this helps you.
8 0
3 years ago
Read 2 more answers
Javier asks his mother how old a tree in their yard is. His mother says, “The sum of 10 and two-thirds of that tree’s age, in ye
Vaselesa [24]

Answer:

Javier's equation is not correct because the variable "a" should be multiplied by  only and then added to

Step-by-step explanation:

Let

a------>is the tree’s age in years

we have that

-------> Javier's equation

we know that

The equation that represent the situation is equal to

Solve for a

Multiply by  both sides

Javier's equation is not correct because the variable "a" should be multiplied by  only and then added to

6 0
3 years ago
Read 2 more answers
What number is 24% of 80
disa [49]
The answer to your query is 19.2
6 0
3 years ago
Read 2 more answers
In a jar of coins, the ratio of nickels to dimes is 2:7. If the jar contains 350 nickels, how many dimes are there? A) 175 B) 35
Dvinal [7]
No nickles = 2x and that of dimes = 7x so 2x = 350 get x and the no of dimes
so like 2x = 350 divide by 2 on both sides so x = 175 ... and no of dimes = 7*x = 7*175 = 1225
Hope it helps :)
3 0
3 years ago
Read 2 more answers
Other questions:
  • 4. Evaluate the geometric series given a1 = 4, r = -2 and n = 12
    12·1 answer
  • A play tent is shown.how much fabric was used to make the front(Base 1=36.5) (Base 2=23). And the height =32
    13·2 answers
  • 23 tens is the same as
    9·2 answers
  • Write an equation in point-slope form for the line through the given point with the given slope. (-3,-5); m=-2/5
    12·1 answer
  • Patrick is replacing a door in his house. It has a height of 80 inches and its diagonal is 89 inches. What is the width of the d
    7·1 answer
  • I'am having a hard time with this one please help
    7·1 answer
  • Store ABC sells 8 lbs. of oranges for $6.00. Store XYZ sells 14 lbs. or oranges for $11.20. Which store is less expensive, and b
    7·1 answer
  • What is the missing operation? 48?(-8)=(-6)​
    6·1 answer
  • What is the answer too n+ 2 = -14-n ?
    5·1 answer
  • Which is the most suitable identity to find product of (4x + 5) (4x – 1)
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!