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ycow [4]
3 years ago
14

I need help!

Mathematics
2 answers:
Andrej [43]3 years ago
8 0

Answer: divide both numbers with 266 at the front like this 266÷10

Step-by-step explanation:

26.6

xenn [34]3 years ago
5 0

Answer:

2260 in^2

Step-by-step explanation:

scaled basically means multiplied by

so 226 times 10 is 2260

dont forget your units or you will get it wrong

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1. A plane is flying at an altitude of 13000 feet. The angle of depression from the plane to a control tower is 20 degrees. The
Mariulka [41]

Answer:

see explanation

Step-by-step explanation:

There is a right triangle formed between the height above the tower to the plane, the horizontal and the line from the tower to the plane.

The height above the tower to the plane = 13000 - 150 = 12850 ft

The angle between the plane and the tower is 20° , angle of depression.

Using the tangent ratio in the right triangle formed, with the adjacent side being the horizontal ( hor ) distance, then

tan20° = \frac{opposite}{adjacent} = \frac{12850}{hor} ( multiply both sides by hor)

hor × tan20° = 12850 ( divide both sides by tan20° )

hor = \frac{12850}{tan20} ≈ 35305 ft ( to the nearest foot )

(2)

Arianna is 60 + 5 = 65 ft above the ground ( to her eye level )

Using the right triangle formed with legs 65 and 37  and angle of depression x, then

tanx° = \frac{opposite}{adjacent} = \frac{37}{65} , thus

x = tan^{-1} (\frac{37}{65} ) ≈ 30° ( to the nearest degree )

4 0
3 years ago
Read 2 more answers
LOTS OF POINTS!!!! look at pic
Varvara68 [4.7K]

Answer:

2x+6-(x^2+6x+9)*pi

Step-by-step explanation:

2*(x+3) - (x+3)^2*pi

2x+6-(x^2+6x+9)*pi

um I think there are answer choices so I don't know if I have to keep going but that should be right

3 0
2 years ago
Mai got a $50 gift card to an online book store. She uses the gift card to buy a bookmark for $1.29. She also wants to use the g
AfilCa [17]

Answer:

you have to round down because if you round up she wouldn't have enough money. And you can't buy half a book.

Step-by-step explanation:

6 0
3 years ago
18. In the diagram below, PQRS is a square Find the equation of the circle that will pass through the four vertices of the squar
mamaluj [8]

An equation of the circle that will pass through the four (4) vertices of the square is (x + 2)² + y² = 2².

<h3>How to find the equation of this circle?</h3>

Mathematically, the general form of the equation of a circle is given by;

(x - h)² + (y - k)² = r²

Where:

  • h and k represents the coordinates at the center.
  • r is the radius of a circle.

<u>Note:</u> The center of a circle lies on the midpoint of the diagonal of a square, which is formed by joining its endpoints (opposite).

Midpoint on x-coordinate is given by:

Midpoint = (-2 - 2)/2

Midpoint = -4/2 = -2.

Midpoint on y-coordinate is given by:

Midpoint = (-2 + 2)/2

Midpoint = 0/2 = 0.

Thus, the center (h, k) = (-2, 0).

For the radius, we have:

r = √(-2)² + 0²

r = √4 = 2.

Substituting the parameters into the general equation, we have;

(x - (-2))² + (y - 0)² = 2²

(x + 2)² + y² = 2²

Read more on circle here: brainly.com/question/1615837

#SPJ1

6 0
2 years ago
The area of the entire figure below is 111 square unit.
sergeinik [125]

Based on the calculations, we can describe the area of the striped rectangle as 4/10 × 2/3.

<h3>What is a rectangle?</h3>

A rectangle can be defined as a type of quadrilateral in which its opposite sides are equal and all the angles formed are right angle.

<h3>How to calculate the area of a rectangle?</h3>

Mathematically, the area of a rectangle can be calculated by using this formula;

A = LW

<u>Where:</u>

  • A represents the area of a rectangle.
  • l represents the length of a rectangle.
  • w represents the width of a rectangle.

<u>Given the following data:</u>

Width = 3 rectangles (top to bottom).

Length = 10 rectangles (left to right).

Substituting the given parameters into the formula, we have;

Area = 10 × 3

Area = 30 rectangles.

From the diagram (see attachment), we can logically deduce that the striped rectangle comprises 8 rectangles, and the required area is given by:

Area of striped rectangle = 8/20 of the other portions

Area of striped rectangle = 8/20 × 20/30

Area of striped rectangle = 4/10 × 2/3.

Read more on area of a rectangle here: brainly.com/question/25292087

#SPJ1

3 0
1 year ago
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