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3 years ago

Convert the repeating decimals 0.1313 to a fraction.

Mathematics

1 answer:

lbvjy [14]3 years ago

4 0

Answer:

As a fraction 0.13 (13 repeating) is 1399

Step-by-step explanation:

0.13 = 13/99

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Help!! help!! help!! help!! help!! help!! help!! help!! help!!

oksian1 [2.3K]

Answer:

(8.21, -20.79)

Step-by-step explanation:

Given the simultaneous equation;

$\frac{a}{b} - \frac{b}{2} = 10\\a - b = 29$

From 2;

a = 29 + b ....3

Substitute 3 into 1;

$\frac{29+b}{b} - \frac{b}{2} = 10\\\frac{2(29+b)-b^2}{2b} = 10\\\frac{58+2b-b^2}{2b} = 10\\58+2b-b^2 = 20b\\b^2-2b-58 = -20b\\b^2-2b+20b -58 = 0\\b^2+18b-58 = 0\\$

Factorize

b = -18±√18²-4(-58)/2

b = -18±√324+232/2

b = -18±√556/2

b = -18±23.58/2

b = -18-23.58/2 and -18+23.58/2

b = -41.58/2 and 5.58/2

b = -20.79 and 2.79

Since a = 29 + b

when b = -20.79

a = 29 - 20.79

a = 8.21

Hence the solution to the system of equation is (8.21, -20.79)

7 0

3 years ago

16 is 40% of what number?

saw5 [17]

Sixteen is 40% of 40

7 0

4 years ago

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BMI weight 1.62 (5'4") height 46 kg (102 Ibs)

Vesnalui [34]

Answer:

158iuhudjdkdidiidjdjfjuf

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3 years ago

PLEASE HELP ME!

Westkost [7]

Answer:

75.09%

Step-by-step explanation:

1st week: 1060

2nd week: 950

3rd week: 1090

4th week: 795

Percent decrease from first to fourth week is 75.09%

Hope this helps!

Plz Mark Brainliest!

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3 years ago

Can someone help with this

mixas84 [53]

Step-by-step explanation:

-10-2x = 3x+15

5x = -25

x= -5

5 0

2 years ago