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2 years ago

Which number is an irrational number?

Mathematics

1 answer:

Elenna [48]2 years ago

6 0

Answer:

$\sqrt{15}$ Is an irrational number because it cannot be turned into a fraction or have any specific patterns. An irrational number is an number that is not a terminating or repeating decimal, and that applies to $\sqrt{15}$ . So therefore, $\sqrt{15}$ Is an irrational number.

Step-by-step explanation:

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3 years ago

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Answer:

(0, 9 ) and (- 4, 1 )

Step-by-step explanation:

To determine which ordered pairs lie on the graph substitute the x- coordinate of the point into the right side of the equation and compare the value obtained with the y- coordinate

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2 years ago

The energy released by metabolism of 1 average candy bar is 1 x 10^6 joules.

Elis [28]

Answer: 32

Step-by-step explanation:

Given: The energy needed for 1 hour of running for an adult $=4.5\times10^6\ joules.$

Therefore. the energy needed for seven hours of running= $=7\times4.5\times10^6\ joules.=31.5\times10^6\ joules$

Since, he energy released by metabolism of 1 average candy bar $=1\times10^6\ joules.$

Therefore, the number of candy bars an adult need to eat to supply the energy needed for seven hours of running.= $\frac{31.5\times10^6}{1\times10^6}=31.5\approx32$

Hence, the adult need to eat 32 candies to supply the energy needed for seven hours of running.

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2 years ago