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zvonat [6]
2 years ago
13

Could somebody help please

Mathematics
1 answer:
xz_007 [3.2K]2 years ago
7 0
If you have zero dollars you can’t buy anything
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(a) If the breadth of rectangle in one-third of its length and perimeter is 80 cm, find the length and breadth of rectangle. ​
Gwar [14]

Answer:

Length = 30m and Breadth = 10m  

Step-by-step explanation:  

Given that :  

Perimeter = 80 m ;  

Breadth = 1/3 of Length ; Length = l  

We know that :  

Perimeter of rectangle = 2 ( L + B ).  

80 = 2 ( L + 1/3 L )  

80/2 = 4/3 L.  

40 = 4/3 L  

3/4 × 40 = L.  

3 × 10 = L.  

L = 30m.  

Breadth = 1/3 of Length.  

Breadth = 1/3 × 30.  

Breadth = 10m.

5 0
2 years ago
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jek_recluse [69]

Answer:

i√17 ≈ 4.123106i

Step-by-step explanation:

The square root of a negative number is "i" times the square root of its absolute value. It is an imaginary number.

_____

i is generally the symbol used for √(-1). In some fields, such as electrical engineering, where i has a different meaning, the symbol j may be used instead.

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3 years ago
4(x-2)<br>----------=20 solve for x <br>5<br> steps please
elena55 [62]
Make it in exactly five steps.

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Use factoring to solve <br> x^2-2x-35=0
mrs_skeptik [129]

Answer:

I'm sorry I don't have an answer but for all future math work you should download photomath on your phone it's rly good

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3 years ago
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Match each scenario with the appropriate base that would be used to write the exponential equation.
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Answer:

1. a (100% - 3% = 97%)

2. b (Triples ⇒ *3)

3. c (100% + 3% = 103%)

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2 years ago
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