Mathematics: Help me plz i have a headack i cant think strite

Step-by-step explanation:First convert the mixed fractions to improper fractions.We can use the identity a² - b² = (a +b)(a - b)Here a = 17/3 and b = 13/3We can add & subtract as they have common denominators....

Help me plz i have a headack i cant think strite

Ответ:

mollyallen116365

23.06.2020

Mathematics

.3, 3/10, 30%

Step-by-step explanation:

There are ten total pieces, and three of them are shaded, so it will be 3/10, which translates to .3 and 30%.

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Ответ:

chl75

23.06.2020

Mathematics

3/10, 0.3, 30%

Step-by-step explanation:

There are 10 bars in total and 3 of them are shaded

The fraction would be 3/10

The decimal for 10 is 1, so 3 would be 0.3

The percentage for 10 is 100% so 3 is 30%

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Ответ:

isabellebisio

10.10.2022

Mathematics

Step-by-step explanation:

First convert the mixed fractions to improper fractions.

$(5\dfrac{2}{3})^{2}-(4\dfrac{1}{3})^{2} = (\dfrac{17}{3})^{2} - (\dfrac{13}{3})^{2}$

We can use the identity a² - b² = (a +b)(a - b)

Here a = 17/3 and b = 13/3

$= (\dfrac{17}{3}+\dfrac{13}{3})(\dfrac{17}{3}-\dfrac{13}{3})$

We can add & subtract as they have common denominators.

$=\dfrac{30}{3}*\dfrac{14}{3}\\\\= 10*\dfrac{14}{3}\\\\\\=\dfrac{140}{3}\\\\\\= 46\dfrac{2}{3}$

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Help me plz i have a headack i cant think strite

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