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Mkey [24]
3 years ago
8

Please help me and make it right..

Mathematics
2 answers:
dem82 [27]3 years ago
6 0

Answer:

1/4

Step-by-step explanation:

3/4 is also equal to 6/8. And 1/2 is also equal to 4/8.

So the order would be 6/8, 5/8, 4/8, 3/8 and then 2/8. Which would simplify to 1/4.

adell [148]3 years ago
3 0

Answer:

1/8 ????

Step-by-step explanation:

dont put this im not really sure sorry :(

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Is rational and equal 2

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lana [24]

Answer:

1/3 and false at least i think wait for other answer to make sure it is correct

Step-by-step explanation:

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3 years ago
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If the length of a rectangle is increased by 120%, and its width is decreased by 20%, what is the percentage change in the area
velikii [3]

Answer:

The area of the rectangle is increased in 76 percent.

Step-by-step explanation:

The area of a rectangle (A) is represented by the following formula:

A = w\cdot l

Where:

w - Width.

l - Length.

If length is increased by 120 %and width is decreased by 20 %, the percentage change in the area of the rectangle is: (l = 2.2\cdot l_{o}, w = 0.8\cdot w_{o})

A = (2.2\cdot l_{o})\cdot (0.8\cdot w_{o})

A = (2.2)\cdot (0.8)\cdot w_{o}\cdot l_{o}

A = 1.76\cdot A_{o}

The area of the rectangle is increased in 76 percent.

6 0
3 years ago
Question 7: Find the value of x. The numbers below are in degrees.<br> 140<br> S<br> 50<br> 20
Lyrx [107]

Given:

A figure.

To find:

The value of x.

Solution:

Draw two parallel lines as shown in the below figure.

If a transversal line intersect two parallel lines, then alternate interior angles are same.

a=20              (Alternate interior angle)

d=b              (Alternate interior angle)           ...(i)

The value of angle d is

d=50-a

d=50-20

d=30

Using (i), we get

b=30

If a transversal line intersect two parallel lines, then same sides interior angles are supplementary angles.

c+140=180

c=180-140

c=40

Now,

x=b+c

x=30+40

x=70

Therefore, the value of x is 70.

8 0
3 years ago
What are the solutions of the equation (x+2)^2-2(x+2)-15=0
Nina [5.8K]

Answer:

The solutions to this are x = -5, and x = 3.

Step-by-step explanation:

This can be solved by rearranging the equation into a proper quadratic format, and factoring it:

(x + 2)^2 - 2 (x + 2) - 15 = 0\\x^2 + 4x + 4 - 2x - 4 - 15 = 0\\x^2 + 2x - 15 = 0\\(x + 5)(x - 3) = 0

This tells us that the x can be equal to  -5 or 3.

8 0
3 years ago
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