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Veseljchak [2.6K]
1 year ago
8

Which deposit earns more interest, $250 at 6% per year, or $400 at 4% per year? show how you know.

Mathematics
2 answers:
rosijanka [135]1 year ago
8 0

Answer:

<h2><u><em>$400 at 4%</em></u></h2>

Step-by-step explanation:

which deposit earns more interest, $250 at 6% per year, or $400 at 4% per year? show how you know.

6% of 250 =

250 : 100 * 6 = 15$

4% of 400 =

400 : 100 * 4 = 16$

cestrela7 [59]1 year ago
7 0

Answer:

$400 at 4% per year

Step-by-step explanation:

because then you put 400 and use the formula of interest you can see which gives bigger

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Gwar [14]

\bold{\huge{\underline{ Solution}}}

<h3><u>Given </u><u>:</u><u>-</u></h3>

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  • Then he peces off 30 yards to his ball

<h3><u>To </u><u>Find </u><u>:</u><u>-</u></h3>

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Let assume that the distance between the golf ball and central of green is x

<u>Here</u><u>, </u>

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  • <u>That </u><u>is</u><u>, </u>Height = 150 yards
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  • <u>That </u><u>is</u><u>, </u>Angle = 100°
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  • <u>That </u><u>is</u><u>, </u>Base = 30 yards

<u>According </u><u>to </u><u>the </u><u>law </u><u>of </u><u>cosine </u><u>:</u><u>-</u>

\bold{\red{ a^{2} = b^{2} + c^{2} - 2ABcos}}{\bold{\red{\theta}}}

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  • cos theta = Angle of cosine

<u>So</u><u>, </u><u> </u><u>For </u><u>Hypotenuse </u><u>law </u><u>of </u><u>cosine </u><u>will </u><u>be </u><u>:</u><u>-</u>

\sf{ c^{2} = a^{2} + b^{2} - 2ABcos}{\sf{\theta}}

<u>Subsitute </u><u>the </u><u>required </u><u>values</u><u>, </u>

\sf{ x^{2} = (150)^{2} + (30)^{2} - 2(150)(30)cos}{\sf{100°}}

\sf{ x^{2} = 22500 + 900 - 900cos}{\sf{\times{\dfrac{5π}{9}}}}

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\sf{ x^{2} = 22500 + 900 + 156.6}

\sf{ x^{2} = 23556.6}

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Answer:

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