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Alexeev081 [22]
3 years ago
11

Multiplying 3/sqrt 17 - sqrt 2 by which fraction will produce an equivalent fraction with a rational denominator

Mathematics
2 answers:
never [62]3 years ago
6 0
You you use the conjugate of  sqrt17 - sqrt 2  which is sqrt17 + sqrt2

so the fraction is   sqrt17 + sqrt2
                              ------------------
                             sqrt17 + sqrt2
Liono4ka [1.6K]3 years ago
6 0

Given radical expression: \frac{3}{\sqrt{17}-\sqrt{2}}.

We need to find the fraction by which fraction will produce an equivalent fraction with a rational denominator.

In the given expression, we have \sqrt{17}-\sqrt{2}.

Which is an irrational number in denominator.

In order to get rid irrational number from denominator and get a rational number in denominator, we need to multiply given expression by conjugate of the denominator.

The conjugate of \sqrt{17}-\sqrt{2} is \sqrt{17}+\sqrt{2}.

<h3>Therefore, we need to multiply \frac{3}{\sqrt{17}-\sqrt{2}} by \frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}} fraction that will produce an equivalent fraction with a rational denominator.</h3>
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16. Find the final balance in an account with $730 invested at 3% annual simple interest for 4 years. (1 point) $735.48 $87.60 $
podryga [215]

Answer:

$817.60

Step-by-step explanation:

Simple interest has the formula:

Simple Interest = Principal * rate * time

here,

Principal amount is $730

The rate of interest is 3%, which is 3/100 = 0.03

The time length in years is given as 4

We find the interest amount first:

SI = P * r * t

SI = 730 * 0.03 * 4

SI = 87.6

We are asked to find FINAL BALANCE, which is PRINCIPAL + INTEREST

So,

Final Balance = 730 + 87.6 = $817.60

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3 years ago
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anastassius [24]

Answer:

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Step-by-step explanation:

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2 years ago
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hoa [83]
Use a calculator what?
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3 years ago
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Could someone break it down. I am not catching on.
sleet_krkn [62]
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3 years ago
If √(0.09×0.09×x) = 0.09 × 0.09×√z, then the value of x/y is____.​
OLEGan [10]

Given that-

√(0.09×0.09×x) = 0.09×0.09×√z

On squaring both sides then

⇛[√(0.09×0.09×x) ]² = (0.09×0.09×√z)²

⇛ 0.09×0.09×x= (0.09)²×(0.09)²×(√z)²

⇛ (0.09)² × x = (0.09)²×(0.09)²×z

⇛ (0.09)² × x/z = (0.09)²×(0.09)²

⇛x/z = (0.09)²×(0.09)²/(0.09)²

⇛x/z = (0.09)²

⇛x/z = 0.09×0.09

⇛x/z = 0.0081

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2 years ago
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