3 years ago

Question 8

Mathematics

1 answer:

yanalaym [24]3 years ago

7 0

Answer: use google dot com

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A rectangle has a perimeter of 165.4 kilometers and a height of 20 kilometers. What is the length of the base?

KATRIN_1 [288]

Answer: Follow the Steps Below.

Step-by-step explanation: Simply divide the area of the rectangle by its height to find its base. Other forms of solving for the base can be accomplished knowing diagonal length by simply taking the square root of the diagonal length squared minus its height squared.

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2 years ago

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1/3y + 28 = -5

Subtract 28 from both sides:

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3 years ago

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A 14.5-m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the fire truck)

UkoKoshka [18]

Answer:

h = 7.47 m

Step-by-step explanation:

According to the question, we have a right triangle formed by the ladder with the wall and the floor.

The length of the ladder is the hypotenuse and the desired height is the opposite. This is due to the fact that "the ladder makes an angle of 21" 27" with the horizontal". Then, the trigonometric ratio to use is sine:

$sin(\theta)=\frac{opposite}{hypotenuse}$