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2 years ago

I WILL MARK AS BRAINLIEST

Mathematics

2 answers:

wariber [46]2 years ago

6 0

Answer:

B. 62.93 cm²

Step-by-step explanation:

Formula to find area of triangle : $\frac{1}{2}$ * b * h

$\frac{1}{2}$ * 20.3 * 6.2

62.93 cm²

LUCKY_DIMON [66]2 years ago

4 0

Answer:

The answer is 125.86

Step-by-step explanation:

In order to find the area of a figure, you multiply the height by it's width.

The height is 6.2 and width 20.3.

6.2 times 20.3 = 125.86

I hope this helps you.

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3 years ago

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Maksim231197 [3]

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3 years ago

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Lera25 [3.4K]

Answer:

$130.2845\leq h\leq 137.7245$

Step-by-step explanation:

Given an inequality that relates the height h, in centimeters, of an adult female and the length f, in centimeters, of her femur by the equation

$|h - (2.47f + 54.10)| \leq 3.72$

If an adult female measures her femur as 32.25 centimeters, we can determine the possible range of her height by plugging f = 32.25cm into the modelled equation as shown:

$|h - (2.47(32.25) + 54.10)| \leq 3.72\\|h - (79.9045 + 54.10)| \leq 3.72\\|h - (134.0045)| \leq 3.72\\$

If the modulus function is positive then:

$h - 134.0045 \leq 3.72\\h \leq 3.71+134.0045\\h\leq 137.7245$

If the modulus function is negative then:

$-(h - 134.0045) \leq 3.72\\-h+134.0045 \leq 3.72\\-h\leq 3.72-134.0045\\-h\leq -130.2845\\$

multiply through by -1

$-(-h)\geq -(-130.2845)\\h\geq 130.2845\\130.2845\leq h$

combining the resulting inequalities, the estimate of the possible range of heights will be $130.2845\leq h\leq 137.7245$

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3 years ago

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