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fiasKO [112]
2 years ago
7

The diagram shows a square with a perimeter of 20 cm.

Mathematics
1 answer:
arlik [135]2 years ago
3 0
Basically that’s it but write it down by yourself

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Write a whole number and a fraction greater than 1 to name the part filled.Think : 1 container = 1
kykrilka [37]
Alright.....so..... well the 
Whole Number: 4 id greater than one 
Fraction: 4/1

I am not a 100% sure but try another source also<span />
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3 years ago
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HELP PLEASSEEEE I NEED TO FIND THE MISSING SIDE HYPOTENUSE
ZanzabumX [31]

Answer:

B. 6.5

Step-by-step explanation:

You can use the 5 against the unknown number and  add a few more moves which makes it 6.5.. It's easier in my head man.

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2 years ago
Which of the following is the best estimate of the square root of 160
Virty [35]

Answer:

12-13

Step-by-step explanation:

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6 0
3 years ago
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The diameter of the average cell in the human body is 1 x 10-5 meters. The diameter of a grain of sand is about 2 x 10-4 meters.
MariettaO [177]
PART A:

Scientific notation is given by A×10ⁿ where A is any number in a unit and 'n' is an integer.

0.000025 = 2.5×10⁻⁵

PART B:

Diameter of grain of sand ÷ Diameter of human body average cell
(2×10⁻⁴) ÷ (1×10⁻⁵) 
(2÷1) × (10⁻⁴÷10⁻⁵)
2 × (10⁻⁴ ⁻ ⁻⁵) = 2 × 10⁽⁻⁴⁺⁵⁾ = 2 × 10¹ = 20 times bigger

PART C:

The diameter of human body's average cell in nanometer
1 × 10⁻⁵ metre = 1 × 10⁻⁵ × 10⁹ = 1 × 10⁽⁻⁵⁺⁹⁾ = 1 × 10⁴ nanometer

PART D:

Smallest bacteria = 300 nanometer
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PART E:

Laws of exponents that are applied in scientific notation is 

xᵇ × xᵃ = x⁽ᵇ⁺ᵃ⁾
xᵇ ÷ xᵃ = x⁽ᵇ⁻ᵃ⁾

7 0
2 years ago
Rob Polanski is a tractor salesman. Last week his total sales amounted to $38,642.00, and he received $2,704.94 in commission. W
pentagon [3]
2704.94 / 38642 = 0.07 = 7%
5 0
3 years ago
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