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Lilit [14]
3 years ago
9

How do you write 0.4 in simplest form

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
4 0
Well first you have to get 0.4 and turn that decimal into a fraction which will be 2/5 and that fraction is already at its simplest form and cant be reduced so your answer is both 0.4 and 2/5. 
Gnoma [55]3 years ago
3 0
The easiest form would be 4/10 and you can divide numerator (top number) and denominator (bottom number) by 2 and get 2/5. the most simple from for the decimal 0.4 is 2/5

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A rectangle length is 8cm more than three times it’s widith. The perimeter is 128 cm find the length.
Masteriza [31]
Let x = width
<span>length is 8 cm more than three times it’s width so length = 3x + 8
</span>
Perimeter of a rectangle = 2(L + W)
so
128 = 2(x + 3x + 8) solve for x (width)
128 = 2(4x + 8)
  64 = 4x + 8
  4x = 56
    x = 14
width = 14 cm
length = 3(14) + 8 = 50 cm

Answer:
width   = 14 cm
length  = 50 cm

4 0
3 years ago
(8 ,10) (-7 ,14) in a ti 84 calculator
SpyIntel [72]

Answer:

y=-4/15x+182/15 (12 and 2/15)

Step-by-step explanation:

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8 0
3 years ago
How many inches are in 10 feet
Rufina [12.5K]

Answer:

120 <em>inches</em>

Step-by-step explanation:

Since we know 1 foot is 12 inches, we can multiply the amount of inches in 1 foot by 10 feet to get 120 inches.

6 0
2 years ago
What is 2005 plus 80?
jasenka [17]

Answer:

2085

Step-by-step explanation:

2005+80=2085

7 0
3 years ago
Read 2 more answers
Help me with these questions circled
Vaselesa [24]
61.

40 ==> 100 %
x   ==> 15 %

15*40/100 = 6.

Therefore, merely 6 students received C grades.

62.

23 500 ==> 100%
x          ==> 42 %

42*23500/100 = 9870

Therefore 9870 people in the town are over 45 years of age.

You continue wth this method and you'll find for the 63, 64, 65.

In maths, you have to understand what you're doing dude ^^.

Whatever the answer for 64 and 65 are 

64.

21.50*20/100 = 4.3

65. 

250 ==> 100 %
45 ==> x %

x = 45*100/250 = 18 %

i will let you do the 63 alone, give me what you have found in the comments, i'll verify your answer.

Hope this helps !

Photon
7 0
3 years ago
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