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Romashka-Z-Leto [24]
3 years ago
14

Rewrite the expression with rational exponents as a radical expression.

Mathematics
2 answers:
nexus9112 [7]3 years ago
7 0

Answer:

If the expression is 4x^\frac{3}{7}, then the answer is the first option.

If the expression is (4x)^\frac{3}{7}, then the answer is the third option.

Step-by-step explanation:

Remember that when you have a radical expression in the form \sqrt[n]{x}, you can rewrite as:

=x^\frac{1}{n}

Then:

- If the expression is 4x^\frac{3}{7}, then you can rewrite it in the following radical form:

=4\sqrt[7]{x^3} (This form matches with the first option.)

- If the expression is (4x)^\frac{3}{7}, then you can rewrite it in the following radical form:

=\sqrt[7]{(4x)^3} (This form matches with the third option).

cestrela7 [59]3 years ago
7 0

Answer:

c

Step-by-step explanation:

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Granola costs $6.50 per pound. Assorted nuts cost $9 per pound. How many pounds of granola and nuts are needed to make 9 pounds
bezimeni [28]

Answer:

  • 3.6 pounds of granola and 5.4 pounds of nuts

Step-by-step explanation:

Let the required granola be x pounds, then amount of nuts is 9 - x.

<u>The price of the mixture is as below equation:</u>

  • 6.5x + 9(9 - x) = 8*9
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<u>Find the amount of nuts:</u>

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2 years ago
The volume of a conical pile of sand is increasing at a rate of 300πcm3/sec
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So using the formula for the volume of a cone:
r^2pi x h/3

The height is always 4 times the radius, so:
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The radius increases by the cubic square root of 225 cm per second.

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Step-by-step explanation:

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Step-by-step explanation:

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