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Rom4ik [11]
3 years ago
7

Convert the repeating decimal to a rational number 0.4000

Mathematics
2 answers:
atroni [7]3 years ago
5 0

Answer:

<u>IF the repeating decimal is 0.4000</u> the rational number is 0.4

neonofarm [45]3 years ago
3 0

Answer:

2/5

Step-by-step explanation:

0.4000/1 *10/10=4/10/2/2=2/5

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Find the area and perimeter of the shape below. Help plzzz.
kozerog [31]
Find the area of each shape and add.Let's start with the first semi-circle(half-circle)
If the area of a circle is πr² , then the area of a semi-circle is 1/2πr² where is 22/7 or 3.14, and r is the radius which is 1.8 meters
A=1/2πr²
A=1/2*22/7*1.8*1.8
A=5.09 m²(rounded to nearest hundredth)
Since the semi-circles are two and have the same radius, multiply the area of the first one by two or go through the same process again.
So 5.09 *2=10.18meters square is the area of the two semi-circles
Now, let's find the area of a rectangle  which is length times width, where length is 6 meters and width is (1.8+1.8, because 1.8 is half the width)=3.6 meters
A=l*w
A=6*3.6
A=21.6meters square
Therefore the area of the shape is 10.18m²+21.6m²=219.888m²
4 0
3 years ago
A set of three scores consists of the values 3, 7, and 2. Σ2(X – 3) =
siniylev [52]

Answer:

6

Step-by-step explanation:

\sum 2(X-3)=2(3-3)+2(7-3)+2(2-3)=0+8-2=6

5 0
1 year ago
Pls help this is so hard
NNADVOKAT [17]

where is the question to this

5 0
2 years ago
Tell me if i got number 2 wrong or right also answer the question
hichkok12 [17]

Answer:

I hope I know but I need help my self

4 0
2 years ago
Julie ran 8 laps around her track that is a quaurter mile in 18 mins. her average velocity was __________m/s
Dimas [21]
Her average velocity will be
.44 the 4will be repeated so you can put you answer as
.44or.4
8 0
3 years ago
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