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IceJOKER [234]
3 years ago
8

Convert 0.4 into a fraction :) thanks! hugs!<3 show ALL work!!

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0

Using the place value chart, we can see that the decimal 0.4 is four tenths, so we can write 0.4 as the fraction \frac{4}{10}. Notice however that the fraction is not in lowest terms. We will need to divide the numerator and the denominator by the greatest common factor of 4 and 10 which is 2. Therefore, 0.4 can be written as the fraction \frac{2}{5}, which is in lowest terms.

Juliette [100K]3 years ago
3 0
0.4 =\frac{0.4}{1} =  \frac{0.4\times 10}{1\times 10} = \frac{4}{10} = \frac{2}{5}

When you multiply the numerator and denominator both by the same thing, it is called an equivalent fraction.
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There are four highlights in the paragraph that show equations or phrases
aivan3 [116]

A reflection across the line y=0 (AKA the x-axis)

and then across the line x=0 (AKA the y-axis)

is the same as a rotation of 180º

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While all of that is true, you could also be more general, because reflecting over any two lines that intersect at the origin will result in a rotation about the origin and have an angle of rotation equal to twice that of the acute angle formed between the intersecting lines.

4 0
3 years ago
What are the x and y-intercepts of the line described by the equation? 3x−9y=10.8
zheka24 [161]

Answer:

y intercept = (0,-1.2)

x intercept = (3.6,0)

Step-by-step explanation:

For y-int, x=0

3(0)-9(y)=10.8

9y=-10.8

y= -1.2

For x-int, y =0

3x - 9(0)=10.8

3x=10.8

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7 0
3 years ago
Round each number to the nearest tenth.
andreev551 [17]

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7 0
3 years ago
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masha68 [24]

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6 0
4 years ago
According to National Surveys on basic scientific knowledge, 80% of high school students can correctly state that the Earth revo
algol13

Answer:

b) Both 1,004 and 251 are greater than 10.

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n = 1255

In order to use CLT the distribution of \hat{p} should have np and n(1-p) greater than 10.

np = 1255*0.80

np = 1004

n(1-p) = 1255*0.20

n(1-p) = 251.00

Since Both 1004 and 251 are greater than 10,

4 0
4 years ago
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