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Lelechka [254]
3 years ago
11

randall borrowed $850 from his parents to make some repairs on his car.He promised to repay the loan by giving his parents at le

ast $94 from his paycheck each week.
Mathematics
2 answers:
Lana71 [14]3 years ago
7 0
He needs about 10 weeks to completely pay off the debt but with nine weeks he pays off 846, so he needs the 10th week to pay off the last 4 bucks
sammy [17]3 years ago
4 0

Then, he would take = $850/94 = 9.04

atleast 9.04 weeks for repaying that.......

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Which expression is equivalent to the one in the picture?
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Answer:

d.

Step-by-step explanation:

To convert a root to a fraction in the exponent, remember this rule:

\sqrt[n]{a^{m}}=a^{\frac{m}{n}}

The index becomes the denominator in the fraction. (The index is the little number in front of the root, "n".) The original exponent remains in the numerator.

In this question, the index is 4.

The index is applied to every base in the equation under the root. The bases are 16, 'x' and 'y'.

\sqrt[4]{16x^{15}y^{17}} = (\sqrt[4]{16})(\sqrt[4]{x^{15}})(\sqrt[4]{y^{17}}) = (2)(x^{\frac{15}{4}}})(y^{\frac{17}{4}}) = 2x^{\frac{15}{4}}}y^{\frac{17}{4}}

To find the quad root of 16, input this into your calculator. Since 2⁴ = 16, \sqrt[4]{16} = 2.

For the "x" and "y" bases, use the rule for converting roots to exponent fractions. The index, 4, becomes the denominator in each fraction.

2x^{\frac{15}{4}}y^{\frac{17}{4}}

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