3 years ago

2 Points

Mathematics

1 answer:

Nesterboy [21]3 years ago

3 0

Answer:105

Step-by-step explanation:55-66=74 74times

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First rewrite 10/21 and 4/9 so that they have a common denominator

Tema [17]

Answer:

10/21=30/63

4/9=28/63

Step-by-step explanation:

Find the lcm (least common multiple) of 21 an 9, which is 63. Then divide 21 and 9 separately by 63. The multiply that number by the numerator.

6 0

1 year ago

If a right triangle has equal legs, and the hypotenuse is 26 ft. how long is each leg (leave answer in radical form)

Ksenya-84 [330]

If a right triangle has equal legs, it is by definition a 45-45-90 triangle. So, the two sides would be x and the hypotenuse would $x\sqrt{2}$ . However, we know the hypotenuse, and we do not see a $\sqrt{2}$ anywhere. That means it has already been multiplied by it, so to get the lengths of the sides we simply divide 26 by $\sqrt{2}$ . If you have to rationalize the denominator, the answer will be $\frac{26}{\sqrt{2}} = \frac{26\sqrt{2}}{2} = 13\sqrt{2}$