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Usimov [2.4K]
3 years ago
15

3х^2–36 = — 84 can someone help me with this one

Mathematics
2 answers:
suter [353]3 years ago
6 0

Answer:

No real solution.

Step-by-step explanation:

Olegator [25]3 years ago
5 0

Answer:

No

Step-by-step explanation:

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Help? Very confused math is not my subject.
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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3 years ago
Fill in the boxes plz. Thanks
sesenic [268]

Answer:

z =  \frac{5}{8}  \\

Step-by-step explanation:

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Step-by-step explanation:

the answer is a

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Pythagorean Theorem:

b = 10/√2

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