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3 years ago

What is the decimal value of the fraction 2/7

2 answers:

7 0

To convert this simple fraction to a decimal, just divide the numerator (2) by the denominator (7): 2 ÷ 7 = 0.2857142857142857.

So, 2/7 = 0.2857142857142857

vladimir1956 [14]3 years ago

7 0

Answer:

The decimal value of the fraction $\frac{2}{7}$ is 0.28571....

Step-by-step explanation:

Given fraction $\frac{2}{7}$

We have to write the decimal value of the fraction $\frac{2}{7}$ .

In division , We have two term numerator and denominator.

The term which is above in fraction is numerator and term below in fraction is denominator.

Here, 2 is numerator and 7 is denominator.

we also have two types of fractions,

Proper fraction : in which numerator is less than denominator.

Improper fraction : in which numerator is grater than denominator.

So given fraction is proper fraction and its decimal form begins as 0decimal ...... that is non terminating decimal.

So the decimal value of the fraction $\frac{2}{7}$ is 0.28571....

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-2(y+12)=y-9

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1) y= -5

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Step-by-step explanation:

1) $-2(y+12)=y-9$

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$-2(y+12)=y-9\\-2y-24=y-9\\Combining\,\,like\,\,terms:\\-2y-y=-9+24\\-3y=15\\y=15/-3\\y=-5$

2) $8(-1+m)+3 = 2 [m-5 1/2]\\$

Solving:

$8(-1+m)+3 = 2 [m-5 \frac{1}{2} ]\\-8+8m+3=2 [m-\frac{11}{2} ]\\8m-5=2 [\frac{2m-11}{2} ]\\8m-5=2m-11\\Combining\,\,like\,\,terms:\\8m-2m=-11+5\\6m=-6\\m=-6/6\\m=-1$

3) $8(12-k)=3(k+21)$ (Note: Considering 8(12-k)=3(k+21) instead of 8(12-k)=3(k=k+21))

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$8(12-k)=3(k+21)\\96-8k=3k+63\\Combining\,\,like\,\,terms:\\-8k-3k=63-96\\-11k= -33\\k=-33/-11\\k=3$

4) $2y-3(2y-3)+2=31$

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$2y-3(2y-3)+2=31\\2y-6y+9+2=31\\Combining\,\,like\,\,terms:\\2y-6y=31-9-2\\-4y=20\\y= 20/-4\\y = -5$

Keywords: Solve for variables.

Learn more about Solve for variables at:

#learnwithBrainly

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