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vova2212 [387]
4 years ago
11

\sqrt{3} } " alt=" \frac{7}{5 - \sqrt{3} } " align="absmiddle" class="latex-formula">
write the expression in simplified radical form
Mathematics
1 answer:
ratelena [41]4 years ago
4 0
Rationalize denominator in order to vanish radical term from denominator,

\frac{7(5+ \sqrt{3})}{(5- \sqrt{3})(5+ \sqrt{3})} =  \frac{7(5+ \sqrt{3}) }{25-3} =  \frac{35+7 \sqrt{3} }{22}
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Answer:

Yes,

Step-by-step explanation:

because they are equal.

8 0
4 years ago
In investing $6,200 of a couple's money, a financial planner put some of it into a savings account paying 4% annual simple inter
ddd [48]

Answer:

$ 2,600 was invested at 4% and $ 3,600 was invested at 9%.

Step-by-step explanation:

Given that in investing $ 6,200 of a couple's money, a financial planner put some of it into a savings account paying 4% annual simple interest, and the rest was invested in a riskier mini-mall development plan paying 9% annual simple interest, and the combined interest earned for the first year was $ 428, to determine how much money was invested at each rate, the following calculation must be performed:

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2600 x 0.04 + 3600 x 0.09 = 428

Therefore, $ 2,600 was invested at 4% and $ 3,600 was invested at 9%.

7 0
3 years ago
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Anni [7]

Answer:

y=2.5x+6

Step-by-step explanation:

y= weight

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6 0
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Step-by-step explanation:

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