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
Neko [114]
3 years ago
5

My teacher wouldn't help me.. and this is my last question. I need to know how to find the perimeter of the geometric figure (it

's a parallelogram) The sides are 13/12 cm, 3/13 cm, 13/12 cm, 3/13 cm. The perimeter is (blank) cm. And can you simplify it?
Mathematics
1 answer:
nika2105 [10]3 years ago
5 0
This isn't really a geometry problem.  It's just an addition of fractions.

You know that 'perimeter' means 'the distance all the way around'.
And you know the length of all the sides of the parallelogram.
All you need to do is add them up !

(13/12) + (3/13) + (13/12) + (3/13) = the perimeter

Notice that two of the sides are equal, and the other two sides are also equal.
So you can make the job a little easier if you add up the twelfths first

(13/12) + (13/12) = 26/12

and then add up the thirteenths ...

(3/13) + (3/13) = 6/13 .

Now, the perimeter looks a little bit less complicated.
It's just
                   (26/12) + (6/13) = the perimeter.

This is the tough part.  Before you can add fractions, they need to have
a common denominator. 

The smallest common denominator for 12ths and 13ths is  <em>156 </em>!
Change each fraction to (<em>something over 156</em>), and add um up.
I'll leave that part to you.


You might be interested in
How do you plot a fraction on a graph that only allows whole numbers?
klio [65]

Answer:

Depends, rise over run could be considered a fraction, or if it's a number that has a whole number like one and 3/4 then you just plot the point to the best of your ability. In other words guess.

8 0
3 years ago
Read 2 more answers
+
kherson [118]

answer is b.Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Identify the type of function represented by... please help
Vladimir [108]

Answer:

Exponential decay.

Step-by-step explanation:

You can use a graphing utility to check this pretty quickly, but you can also look at the equation and get the answer. Since the function has a variable in the exponent, it definitely won't be a linear equation. Quadratic equations are ones of the form ax^2 + bx + c, and your function doesn't look like that, so already you've ruled out two answers.

From the start, since we have a variable in the exponent, we can recognize that it's exponential. Figuring out growth or decay is a little more complicated. Having a negative sign out front can flip the graph; having a negative sign in the exponent flips the graph, too. In your case, you have no negatives; just 2(1/2)^x. What you need to note here, and you could use a few test points to check, is that as x gets bigger, (1/2) will get smaller and smaller. Think about it. When x = 0, 2(1/2)^0 simplifies to just 2. When x = 1, 2(1/2)^1 simplifies to 1. Already, we can tell that this graph is declining, but if you want to make sure, try a really big value for x, like 100. 2(1/2)^100 is a value very very very veeery close to 0. Therefore, you can tell that as the exponent gets larger, the value of the function goes down and gets closer and closer to zero. This means that it can't be exponential growth. In the case of exponential growth, as the exponent gets bigger, your output should increase, too.

3 0
3 years ago
Identify whether the given pairs of events in a roulette game are mutually exclusive. Drag the items on the left to the correct
xxTIMURxx [149]

Answer:

Correct

not mutually exclusive events 1 to 12 and red

Correct

mutually exclusive events 1 to 12 and 25 to 36

Correct

not mutually exclusive events 1 to 18 and odd

Correct

mutually exclusive events black and red

Correct

not mutually exclusive events even and black

Step-by-step explanation:

4 0
3 years ago
(4 + 3x + x2) + (6 – 9x + x2)
Gnoma [55]
If your looking for a simplified answer, it would be 2x^2-6x+10.

Hope this helps.
3 0
3 years ago
Read 2 more answers
Other questions:
  • Add:<br><br> 2⁄4 + 3⁄5 + 6⁄8
    11·2 answers
  • The polynomial 2x^3 + 9x^2 + 4x - 15 represents the volume in cubic feet of a rectangular holding tank at a fish hatchery. The d
    5·1 answer
  • Is(5, 6)asolutiontotheinequality<br> y &lt; 2x + 4 ?
    15·1 answer
  • Which expression shows the result of applying the distributive property to -2(1/3x - 1/5)
    6·2 answers
  • Point Q(2, −1) is rotated 90° clockwise about the origin.
    13·1 answer
  • Can someone please help i have until 12am which is 45 minutes away for me!!
    10·1 answer
  • Please help! It’s due tomorrow it also says to show my work
    9·1 answer
  • Please help!!!??????
    9·2 answers
  • Unit rate for 5/2 and 1/4
    13·1 answer
  • Show that sec^2x+csc^2x/sec^2xcsc^2x
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!