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IrinaK [193]
3 years ago
10

Someone help me pls 20 points

Mathematics
2 answers:
kupik [55]3 years ago
8 0

Answer:

its 1.125 just divide 3^10 by 3^8

vovikov84 [41]3 years ago
7 0

Answer:

10

Step-by-step explanation:

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The length of a rectangle is 4yd longer than its width.
Monica [59]

Answer:

Length= 19 yd

Width= 15 yd

Step-by-step explanation:

The perimeter of a rectangle is the sum of the lengths of all its sides.

Mathematically, it can be represented as below:

\boxed{\text{Perimeter of rectangle}=2\text{(length}+\text{width)}}

Define variables used:

Let the length and width of the rectangle be L and W yards respectively.

Form an equation:

Given that the length of the rectangle is 4 yards longer that the width,

L= W +4 -----(1)

Next, form another equation using information on the perimeter.

68= 2(L +W) -----(2)

Substitute equation (1) into (2):

68= 2(W +4 +W)

68= 2(2W +4)

Divide both sides by 2:

34= 2W +4

Subtract both sides by 4:

2W= 34 -4

2W= 30

Divide both sides by 2:

W= 30 ÷2

<u>W= 15</u>

Substitute W= 15 into (1):

L= 15 +4

<u>L= 19</u>

Therefore, the length and width of the rectangle is 19 and 15 yards respectively.

Additional:

For another question on perimeter of rectangle, check out: brainly.com/question/15528005

8 0
2 years ago
What is (2-7i)(-1+4i)
Daniel [21]
15x, because 2 × 4x= 8x and -1×-7=7x...add 8x and 7x ull get the answer
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4 years ago
What are the solutions to the quadratics equation 2x+ + 6x – 20 = 1
kodGreya [7K]
Math I hate math bc it sucks
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3 years ago
The result of dividing a two-digit number by the number with its digits reversed is 7 over 4. If the sum of the digits is 12, wh
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3 years ago
What is x in this equation- 3/2x-7=-11
Sunny_sXe [5.5K]

3/2x-7=-11


We move all terms to the left:


3/2x-7-(-11)=0



Domain of the equation: 2x!=0


x!=0/2


x!=0


x∈R



We add all the numbers together, and all the variables


3/2x+4=0


We multiply all the terms by the denominator



4*2x+3=0


Wy multiply elements


8x+3=0


We move all terms containing x to the left, all other terms to the right


8x=-3


x=-3/8


x=-3/8

3 0
3 years ago
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