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xeze [42]
3 years ago
15

Find the value of L. Perimeter = 20. Width is 6. So what is L? On a square

Mathematics
2 answers:
Rashid [163]3 years ago
8 0

Well first of all, that's not a square.  On a square, all 4 sides are
the same, and the length is the same distance as the width.  If the
width of a square is 6, and all four sides are the same, then the
perimeter is (4 x 6) = 24. 

So the shape in your question may be a rectangle, but it's definitely
not a square one.

The perimeter is the distance an ant has to walk if you put him down
on one corner and he walks all the way around the shape until he gets
back to where he started from. 
That's the perimeter.

If you set the ant down on the corner of a rectangle, then he walks the
length, then the width, the the length again, then the width again, and
he's back where he started.

That was 2 lengths and 2 widths ... the perimeter of every rectangle.

Take 2 widths away from the perimeter, and you have 2 lengths left.  OK ?

You said that the width of your rectangle is 6.  Two widths is 12.
Take the 2 widths away from the perimeter, and you're left with (20 - 12) = 8.
But that's 2 lengths !
So the length is half of 8  =  4 .

professor190 [17]3 years ago
5 0
The easiest way to tell you the answer is, The answer is L=4.
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Given the recursive function f(n) = f(n - 1) - 3 ; f(1) = 9 , what would be the first three terms of the sequence ?
Ann [662]

The first three terms of sequence are 9 , 6 , 3

<em><u>Solution:</u></em>

Given the recursive function f(n) = f(n - 1) - 3

Where f(1) = 9

To find: First three terms of sequence

Substitute n = 2 , n = 3 and n = 4 in given recursive function

When n = 2

f(n) = f(n - 1) - 3

f(2) = f(2 - 1) - 3

f(2) = f(1) - 3

f(2) = 9 - 3 = 6

f(2) = 6

Thus second term is 6

When n = 3

f(3) = f( 3 - 1) - 3

f(3) = f(2) - 3

f(3) = 6 - 3 = 3

f(3) = 3

Thus the third term is 3

When n = 4

f(4) = f( 4 - 1) - 3

f(4) = f(3) - 3

f(4) = 3 - 3

f(4) = 0

Thus the fourth term is 0

Thus first three terms of sequence are 9 , 6 , 3

6 0
3 years ago
Use the distance formula to find The distance between the points (-1 ,3) and (2,6) write you answear as a square root, do not gi
olga nikolaevna [1]

Answer:

d = 3\sqrt{2}

Step-by-step explanation:

The distance formula is d = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}  -y_{1} )^{2}   }

Plug in the points.

d = \sqrt{(2-(-1))^{2}+(6  -3 )^{2}   }

Solve

d = \sqrt{18}

Simplify by separating 18 into 9x2

d = \sqrt{9(2)}

Take the square root of 9 to finish simplifying

d = 3\sqrt{2}

6 0
3 years ago
Please answer correctly! I will mark you as Brainliest!
jasenka [17]

Answer:

I have actually done this before, I got it right and I chose C!

hope this helps. love u guys!

6 0
3 years ago
Read 2 more answers
Factors of polynomial 3xsquare +x-4
Dennis_Churaev [7]

Answer:

(3x + 4)(x - 1)

Step-by-step explanation:

3x^2 + x - 4

use middle term break method

we need two number which gives 12 when multiplied and 1 when subtracted

3x^2 + (4 - 3)x - 4

3x^2 + 4x - 3x - 4

x(3x + 4) -1(3x + 4)

(3x + 4)(x - 1)

4 0
2 years ago
Read 2 more answers
Identify the property that justifies "x=y; if y=9, then x=9"
iragen [17]
I think the answer is substitution property of equality because you are substituting 9 for y as y=9.
3 0
3 years ago
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