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2 years ago

Choose the inequality that Caroline's hair is

Mathematics

1 answer:

Oksana_A [137]2 years ago

7 0

Answer:

7 +1/5x ≥ 10 +1/10x . . . . . lower left picture of those shown here

Step-by-step explanation:

Caroline's hair length in inches can be expressed as ...

c = 7 + 1/5x . . . . after x months

Trinity's hair length in inches can be expressed as ...

t = 10 + 1/10x . . . . after x months

When Caroline's hair is at least as long as Trinity's, we have ...

$c\ge t\\\\\boxed{7+\dfrac{1}{5}x\ge 10+\dfrac{1}{10}x}$

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2 years ago

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Answer:

<em>The area of the trapezium is 168</em>

Step-by-step explanation:

<u>Area of a Trapezoid</u>

Given a trapezoid of parallel bases b1 and b2, and height h, the area is calculated with the formula:

$\displaystyle A=\frac{b_1+b_2}{2}h$

The trapezoid in the figure has b1=15 and b2=27. We need to find the height. If we focus on triangle BCD, we can calculate the height as the distance EC by using the Pythagora's Theorem:

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2 years ago