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Andrews [41]
2 years ago
14

Stella wants to buy a remote control helicopter. The one she wants costs $120.

Mathematics
2 answers:
just olya [345]2 years ago
6 0

Answer:

$61.10

Step-by-step explanation:

Original price: $120

50% of 120: $60

(You can either divide $120 in half or do:

120 * 0.50

= 60)

<em>The Helicopter would be $60 at 50% off.</em>

Next:

60 * 0.95 (0.95 comes from 1 - 0.05, which is the 5% off)

= 57

Finally, add the tax:

57 * 1.072

= 61.10

aalyn [17]2 years ago
5 0

.45 * 120 = 54

.072 * 54 = 3.888

54 + 3.888 = 57.888= $57.89

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Answer:

1. (\sqrt[5]{(m+2)})^{3} =  (m+2)^{\frac{3}{5}}

2. (\sqrt[3]{(m+2)})^{5} =  (m+2)^{\frac{5}{3}}

3. \sqrt[5]{(m)}^{3}+2 =  m^{\frac{3}{5}}+2

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Step-by-step explanation:

Recall that

(\sqrt[n]{x})^{m} =  (x^{\frac{m}{n}})

Where x^{m} is called radicand and n is called index

1. Root(5, (m + 2) ^ 3)

In this case,

n is 5

m is 3

x = (m + 2)

(\sqrt[5]{(m+2)})^{3} =  (m+2)^{\frac{3}{5}}

2. Root(3, (m + 2) ^ 5)

In this case,

n is 3

m is 5

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(\sqrt[3]{(m+2)})^{5} =  (m+2)^{\frac{5}{3}}

3. Root(5, m ^ 3) + 2

In this case,

n is 5

m is 3

x = m

\sqrt[5]{(m)}^{3}+2 =  m^{\frac{3}{5}}+2

4. Root(3, m ^ 5) + 2

In this case,

n is 3

m is 5

x = m

\sqrt[3]{(m)}^{5}+2 =  m^{\frac{5}{3}}+2

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