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PSYCHO15rus [73]
3 years ago
8

Pleas help will mark brainliest

Mathematics
1 answer:
zloy xaker [14]3 years ago
5 0

i believe the answer to be 27 but I could be wrong, so please correct me if I am.

i divided 3/5 to this fraction and it was 0.6 and I moved the place over 2 times to the right to create a precentage. %

there are numeral ways you can do this but I figure this method is easiest and more visually understanding.

so I calculated 60% of 45 (number I added 22 +23 from the equation) and yeah I got 27. Hope this help! Please look at a video explaining how to caculate percentages if you didn't get it. Good day!

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erastovalidia [21]

Rewrite the root expressions as fractional exponents:

\dfrac{\sqrt[3]{7}}{\sqrt[5]{7}} = \dfrac{7^{1/3}}{7^{1/5}}

Recall that \frac{a^m}{a^n} = a^{m-n}, so that

\dfrac{7^{1/3}}{7^{1/5}} = 7^{1/3 - 1/5}

Simplify the exponent:

\dfrac13 - \dfrac15 = \dfrac5{15} - \dfrac3{15} = \dfrac{5-3}{15} = \dfrac2{15}

Then you end up with

\dfrac{\sqrt[3]{7}}{\sqrt[5]{7}} = 7^{2/15}

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3 years ago
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olganol [36]
The answer is 48 because 1.6 times 30 is 48
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3 years ago
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Sophie [7]
The answer is d. ... -7
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RoseWind [281]

Answer:

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Step-by-step explanation:

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Andrej [43]

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