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3 years ago

Solving slope (1,1/2),(3,2)

Mathematics

1 answer:

Lina20 [59]3 years ago

3 0

2-1/2 3/2 3
------- = ----- = ---
3-1 2 4

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The perimeter of a rectangle is 20.2 CM and it's area is 24.4 cm squared what is its length and width

erma4kov [3.2K]

Answer:

Length of Rectangle = 4 cm And

Width of Rectangle = 1.9 cm

Step-by-step explanation:

Given as :

The perimeter of rectangle = 20.2 cm

The area of rectangle is 24.4 cm

Let the length be L

And width be w

Now Area of rectangle = Length × width

Or, 24.4 = L × W

And Perimeter = 2 (Length + Width ) = 2 (L + W )

Or, 20.2 = 2(L + W )

Or , L + W = 10.1 cm ............ 1

Now, (L - W )² = (L + W)² -4 LW

Or, (L - W )² = ( 10.1)² -4 (24.4)

I.e (L - W )² = 4.41

Or , L - W = 2.1 cm .............. 2

SO , From 1 and 2

( L + W) + (L - W) = 10.1 cm - 2.1 cm

Or, 2L = 8

∴ Length = 4 cm

Again , Width = 4 cm - 2.1 cm = 1.9 cm

Hence Length of Rectangle = 4 cm And

Width of Rectangle = 1.9 cm Answer

6 0

3 years ago

A set of numbers is shown below:

Brums [2.3K]

Answer:

I am not sure but I think that it is the second set?

Step-by-step explanation:

4 0

3 years ago

Please help with the question below

lora16 [44]

Considering the unit circle, it is found that the sine is negative on the third and on the fourth quadrant.

<h3>What is the unit circle?</h3>

For an angle $\theta$ the unit circle is a circle with radius 1 containing the following set of points: $(\cos{\theta}, \sin{\theta})$ .

Hence, from the above explanation, the sine is negative when y is negativem, which is on the third and on the fourth quadrant.

More can be learned about the unit circle at brainly.com/question/16852127

#SPJ1

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1 year ago

The value of a collectible coin can be represented by the equation Y=2x+15, where x represents its age in years and y represents

muminat

Answer:

Step-by-step explanation:

2*19 =38

then by substituting 2x=38

then,

38+15=53

5 0

3 years ago

Read 2 more answers

Evaluate the expression.

Karo-lina-s [1.5K]

Answer:

5. 27

6. -12

7. -15

Step-by-step explanation:

add and subtract

6 0

3 years ago