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3 years ago

Least to greatest 4 1/3, the square root of 43, 12/4, 4.13

Mathematics

2 answers:

kicyunya [14]3 years ago

7 0

Least to greatest
12/4, 4.13, 4 1/3 , the square root of 43

Cerrena [4.2K]3 years ago

7 0

1. Square root of 43
2. 4 1/3
3. 4.13
4. 12/4

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wolverine [178]

Answer:

Ivy is 6 years old and Rose is 12 years old.

Step-by-step explanation:

To solve this problem, two variables are necessary since we have two unknown variables: Ivy's age and Rose's age.

Ivy's age will be $x$

and Rose's age will be $y$

"Ivy is half as old as her sister":

$x=\frac{y}{2}$

this will be our fist equation.

"In six years, Ivy will be two-thirds as old as Rose"

in six years Ivy will have $x+6$ years, and Rose will have $y +6$ years, so for this sentence we have the equation:

$x+6=\frac{2}{3}(y+6)$

this will be our second equation.

Substituting the value of x from the first equation into the second, and solving for y(Rose):

$\frac{y}{2}+6=\frac{2}{3} (y+6)\\\frac{y+12}{2} =\frac{2}{3} (y+6)\\y+12=\frac{4}{3} (y+6)\\3(y+12)=4(y+6)\\3y+36=4y+24\\36-24=4y-3y\\12=y$

Rose is 12 years old.

and Ivy (using the fist equation):

$x=\frac{12}{2}=6$

Ivy is 6 years old.

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alukav5142 [94]

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avanturin [10]

Answer:

true

Step-by-step explanation:

bc my brain is right ( BTW i got my dad to check :>)

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