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3 years ago

1. Differentiate quadrilateral from parallelogram?

Mathematics

2 answers:

Effectus [21]3 years ago

8 0

Answer:

1. Differentiate quadrilateral from parallelogram? The main difference between parallelogram and quadrilateral is that a parallelogram is a four-sided shape which has its opposite sides having an equal length to each other, and on the other hand, the quadrilateral is a four-sided shape that may or may not have its opposite sides equal to each other as such like the parallelogram.

2. How would you know if a quadrilateral is a parallelogram? Here are six ways to mathematically prove a given quadrilateral is a parallelogram.

3. Explain why every parallelogram is a quadrilateral but not every quadrilateral is a parallelogram

I don know

Step-by-step explanation:

faltersainse [42]3 years ago

5 0

Answer:

A quadrilateral is any figure with 4 sides. A parallelogram is a special type of quadrilateral in that its opposite sides are parallel to each other. Differentiating itself from a parallelogram.

If the opposite sides of a quadrilateral are congruent, then the figure is a parallelogram. Opposite Angles Theorem states: "If the opposite angles of a quadrilateral are congruent, then the figure is a parallelogram."

Credit to:cfjormetes" A parallelogram is a quadrilateral with 2 pairs of opposite, equal, and parallel sides. A rectangle is a quadrilateral with 2 pairs of opposite, equal, and parallel sides BUT ALSO forms right angles between adjacent sides. ... This is not true for all parallelograms since isn't necessary that any of the angles is 90°."

Step-by-step explanation:

You might be interested in

What is the value of m in the equation ‡m - 3n=16, when n=8?

soldier1979 [14.2K]

Step-by-step explanation:

equation: m-3n=16

Solution,

or, m - 3n = 16

or, m - 3×8 = 16

or, m - 24 = 16

or, m = 16 + 24

or, m = 40

Therefore, the value of m is '40'

8 0

2 years ago

DJ Titus is making a playlist for a radio show; he is trying to decide what 10 songs to play and in what order they should be pl

Dominik [7]

Answer:

Different playlists possible = 18287141644800

Step-by-step explanation:

Given - DJ Titus is making a playlist for a radio show; he is trying to

decide what 10 songs to play and in what order they should be

played.

Step 1 of 2 : If he has his choices narrowed down to 7 blues,

7 disco, 5 pop, and 7 reggae songs.

To find - He wants to play no more than 4 reggae songs.

How many different playlists are possible ?

Proof -

Given that he wants to play no more that 4 reggae songs.

So the possibility of choice of reggae song is 0, 1, 2, 3, 4

Now,

Case I -

If 0 reggae song is selected

⇒All 10 songs selected from 7 blue, 7 disco, 5 pop,

Number of ways = ¹⁹C₁₀ ₓ ⁷C₀ = 92,378

Case II -

If 1 reggae song is selected

⇒All 9 songs selected from 7 blue, 7 disco, 5 pop,

Number of ways = ¹⁹C₉ ₓ ⁷C₁ = 646,646

Case III -

If 2 reggae song is selected

⇒All 8 songs selected from 7 blue, 7 disco, 5 pop,

Number of ways = ¹⁹C₈ ₓ ⁷C₂ = 1,587,222

Case IV -

If 3 reggae song is selected

⇒All 7 songs selected from 7 blue, 7 disco, 5 pop,

Number of ways = ¹⁹C₇ ₓ ⁷C₃ = 1,763,580

Case V -

If 4 reggae song is selected

⇒All 6 songs selected from 7 blue, 7 disco, 5 pop,

Number of ways = ¹⁹C₆ ₓ ⁷C₄ = 949,620

So,

Total possible ways = 92,378+ 646,646+ 1,587,222+ 1,763,580+ 949,620

= 5,039,446

⇒Total possible ways = 5,039,446

Now,

Also the 10 songs selected can arranged themselves in 10! ways. ( because order of song played does not matter )

∴ we get

Different playlists possible = 10! × 5,039,446

= 18287141644800

⇒Different playlists possible = 18287141644800

6 0

3 years ago

What property does the statement show? (4x8)x3=(8x4)x3

Mariana [72]

1. commutative property states that : a + b = b + a

2. 3x - 5 = 5x - 17 -- add 5 to both sides 
3x = 5x - 17 + 5 -- subtract 5x from both sides 
3x - 5x = -17 + 5 -- combine like terms 
-2x = -12 -- divide both sides by -2 
x = 6 

3. slope formula : slope = (y2 - y1) / (x2 - x1) 
(3,-1) x1 = 3 and y1 = -1 
(-2,-5) x2 = -2 and y2 = -5 
now we sub 
slope = ((-5 - (-1)) / (-2 -3) 
slope = (-5 + 1) / -5 
slope = -4/-5 
slope = 4/5 

4. x = first integer 
x + 2 = 2nd integer 
x + x + 2 = 80 -- combine like terms 
2x + 2 = 80 -- subtract 2 from both sides 
2x = 80 - 2 
2x = 78 -- divide both sides by 2 
x = 39 <== this is the smallest number 
x + 2 = 41 

5. p = 1/2g - 3 

6. The union of two sets is all the numbers in both sets, no need to copy the same number more then once. Answer is : (1,2,3,4,5,6,8,10) 

7. 2x + 3y <= 6 -- put in y = mx + b form 
3y <= -2x + 6 
y <= -2/3x + 2 
In y = mx + b form, the y intercept is in the b position. So the y intercept is (0,2) 
To find the x intercept, sub in 0 for y (change inequality sign to equal sign) 
2x + 3y = 6 
2x + 3(0) = 6 
2x = 6 
x = 3 
x intercept is (3,0) 
So plot your points (3,0) and (0,2) 
Connect the points with a solid line because there is an equal sign in there. 
Shade below the line because it is less then. 

8. 3x + 6y = 8 
6y = -3x + 8 
y = -1/2x + 4/3 

y = 2x - 8 

Perpendicular lines have negative reciprocal slope. All that means is " flip " the slope and change the sign. The slope in these equations are -1/2 and 2. These are negative reciprocals of each other. 

9. 7x + 3y - 2 + 6x + 1 + y^2 
y^2 + 3y + 13x - 1 

10. (0,6) x1 = 0 and y1 = 6 
(3,0) x2 = 3 and y2 = 0 
slope(m) = (y2 - y1) / (x2 - x1) 
slope(m) = (0 - 6) / (3 - 0) 
slope(m) = -6/3 
slope(m) = -2 

y = mx + b 
(0,6) x = 0 and y = 6 
6 = 0(-2) + b 
6 = b 

your equation is : y = -2x + 6 (slope intercept form) 
2x + y = 6 (standard form) 

11. x + y = 5 -- put this in y = mx + b form, and the m position is your slope 
y = -x + 5 (-x is the same as -1x) so your slope is -1 

12. 4y = 8x - 3 -- put in y = mx + b form, and the b stands for the y intercept 
y = 8/4x - 3/4 
y = 2x - 3/4 (the y intercept is -3/4 

13. |a| + b --- (a = -1.4 and b = -2.7) 
absolute values, whether they have a negative or not, they are always positive 
|a| + b 
|-1.4 | + (-2.7) 
1.4 - 2.7 = -1.3 <== your answer 

14. I cannot see the problem 

15. -4 < 2t <= 2 --- divide everything by 2 
-2 < t <= 1 
open circle on -2, closed circle on 1, shading in between 

16. x + 2y = -9 ---> x = -2y - 9 
now sub -2y - 9 in for x in the other equation 
4x - 2y = 14 
4(-2y - 9) - 2y = 14 -- distribute through the parenthesis 
-8y - 36 - 2y = 14 -- add 36 to both sides 
-8y - 2y = 14 + 36 combine like terms 
-10y = 50 -- divide by -10 
y = -5 
now sub -5 in for y in either of the original equations 
x + 2y = -9 
x + 2(-5) = -9 
x - 10 = -9 
x = -9 + 10 
x = 1 
answer : x = 1 and y = -5 or (1,-5) 

I was really bored so I thought I would just help out :)

3 0

4 years ago

Read 2 more answers

The difference of two numbers is 3. Their sum is - 24. Find the numbers.

Katarina [22]

Answer:

y = -13.5

x = -10.5

Step-by-step explanation:

Hi there!

Let the two numbers be equal to x and y.

The difference of two numbers is 3 ⇒ x - y = 3

Their sum is - 24 ⇒ x + y = -24

Solve using elimination:

x - y = 3

x + y = -24

Add the two equations:

x + x - y + y = 3 - 24

2x = -21

x = -10.5

Solve for y:

-10.5 - y = 3

- y = 3 + 10.5

y = -13.5

I hope this helps!

4 0

3 years ago

Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A population is the collectio

tatuchka [14]

Answer:

False

Step-by-step explanation:

This is false because a population represents all and not some. A population is the collection of all outcomes, responses, measurements, or counts that are of interest. It is not a collection of 'some' outcomes. It is a collection of 'all' outcomes.

A population data set is a set which contains all the items or elements of a specified group or data set. It is a complete list of all the possible data values.

The sample of a population are drawn out of a population. They are A subset of a population.

8 0

3 years ago