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3 years ago

Please help -6(-5)+12

Mathematics

2 answers:

Crank3 years ago

7 0

The answer is 42 -6*-5= positive 30 30+12=42

madreJ [45]3 years ago

4 0

-6(-5)+12
Multiply -6 by -5.
Note: Whenever you multiply or divide a negative number by another negative number, it automatically becomes a positive number.
30+12
Add
Final Answer: 42

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Part 2) The height of the triangle when θ = 40° is equal to $12.59\ ft$

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Step-by-step explanation:

Part 1) What is the height of the triangle when θ = 30 ° ?

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Part 2) What is the height of the triangle when θ = 40 ° ?

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Find the area when θ = 30 °

The height is $8.66\ ft$

Remember that the area of a triangle is equal to the base multiplied by the height and divided by two

$A=(1/2)(30)(8.66)=129.9\ ft^{2}$

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Find the area when θ = 40°

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Remember that the area of a triangle is equal to the base multiplied by the height and divided by two

$A=(1/2)(30)(12.59)=188.85\ ft^{2}$

Compare the areas of the two possible gardens

The area of triangle with θ = 30° is less than the area of triangle with θ = 40°

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