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2 years ago

Easy math question help

Mathematics

2 answers:

mezya [45]2 years ago

8 0

Answer:

2) 92.2km

3) B

4) 4.8m

Step-by-step explanation:

Equation: a² + b² = c²

60² + 70² = c²

3600 + 4900 = c²

8500 = c²

√8500 = c

92.2 = c

12² + 4² = c²

144 + 16 = c²

160 = c²

√160 = c

12.6 = c

4.5² + 1.6² = c²

20.25 + 2.56 = c²

22.81 = c²

√22.81 = c

4.8 = c

Otrada [13]2 years ago

3 0

Answer:

2) 92.2km

3) B

4) 4.8m

Step-by-step explanation:

Equation: a² + b² = c²

60² + 70² = c²

3600 + 4900 = c²

8500 = c²

√8500 = c

92.2 = c

12² + 4² = c²

144 + 16 = c²

160 = c²

√160 = c

12.6 = c

4.5² + 1.6² = c²

20.25 + 2.56 = c²

22.81 = c²

√22.81 = c

4.8 = c

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Answer:

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Step-by-step explanation:

The percentage needed is calculated by the following expression:

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Where:

$x$ - Percentage of Jenny's mother with respect to Jenny's great-grandmother, measured in percentage.

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$n_{G}$ - Age of Jenny's great-grandmother, measured in years.

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Step-by-step explanation:

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