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3 years ago

11

Referring to the figure, find the unknown

1 answer:

yulyashka [42]3 years ago

3 0

Answer:

19

Step-by-step explanation:

45-45-90 triangles always have two legs that are the same length, and a hypotenuse that is the length of the leg times sqrt 2.

Given the position of x, we know it is a leg and must be equal to the other leg, which is 19.

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A hot air balloon is flying at and altitude of 2101 feet. If the angle of depression from the pilot in the balloon to a house on

alekssr [168]

The problem is modelled as right angle triangle, shown in the diagram below

The distance between the pilot and the house is labelled as $x$

Using the trigonometry ratio of sine
$sin(31)= \frac{opposite}{hypotenuse}$
$sin(31)= \frac{2010}{x}$
$x= \frac{2101}{sin(31)} = 4079.3 ft$

3 0

3 years ago

To find the value of the following expression, which task should be completed first?

Alexus [3.1K]

Answer:

subtract inside the parentheses

Step-by-step explanation:

According to pemdas. It is parenthesis first so you subtr what’s inside first

8 0

2 years ago

Read 2 more answers

What is the domain of the following function ?

IgorLugansk [536]

Answer:

{-6, 1, 5, 8}

Step-by-step explanation:

The domain is the set of x-coordinates or inputs.

{-6, 1, 5, 8}

3 0

2 years ago

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A function f (x) = √ x is transformed into the function

Brilliant_brown [7]

Answer:

a) vertical translation: up five units

b) horizontal translation: right 2 units

c) vertically stretched by 3 units

Step-by-step explanation:

https://www.humbleisd.net/cms/lib2/TX01001414/Centricity/Domain/3611/Square%20Root%20Graphs%202015.pdf

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2 years ago

6. A piece of cardboard is cut in an L-shape as

andrey2020 [161]

Answer: a= 120

Step-by-step explanation:A = height times width, 10 times 12 is 120 :)

3 0

2 years ago