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artcher [175]
3 years ago
15

An airplane in flight needed to make an emergency landing so it descended at an angle of depression of 15 degrees for 50,000 ft

until we landed. How many feet is the vertical drop from when the plane initially began its descent to when it reached the ground? Round to the nearest whole number.​
Mathematics
1 answer:
JulijaS [17]3 years ago
5 0

Answer:

13,397 ft

Step-by-step explanation:

tan 15 = height/50,000

0.2679(50,000) = 13,397 ft

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Question in the image below:
horrorfan [7]

Answer:

x = 5/33 or 0.151515151

Step-by-step explanation:

7(-6x-2) = 8(3x-4)

step 1: simplify the equation.

-42x - 14 = 24x - 4

step 2: isolate the variable (using the balance method).

-42x - 14 + 14 = 24x - 4 + 14

-42x = 24x + 10

-42x - 24x = 24x - 24x + 10

-66x = 10

step 3: solve for x.

x = 10 ÷ -66

x = 5/33

4 0
3 years ago
What is the value for y?<br> Enter your answer in the box.<br> y=
serious [3.7K]

Answer:

y =112

Step-by-step explanation:

Given

The attached triangle

Required

Find y

The attached triangle is isosceles; so:

x - 5=34

Also, we have:

y + x - 5 + 34=180 --- angles in a triangle

Substitute: x - 5=34

y + 34 + 34=180

Collect like terms

y =- 34 - 34+180

y =112

5 0
3 years ago
Jill has a jar full of dimes and quarters. If she has a total of $27.20 and the number of quarters is less than twice the dimes,
Levart [38]

Answer: She has 76 dimes and 78 quarters.

Step-by-step explanation:

Given data:

Total = $27.20

Solution:

Q = d + 2

Each quarter is 25 cents, or 0.25 of a dollar = 0.25q

Each dime is 10 cents = 0.10d

0.25q+0.10d = $27.20

Where q = d-2

Substitute in this equation:

0.25(d+2)+0.10d = 27.20

0.25d + 0.5 + 0.10d = 27.20

0.35d = 26.7

Divide both sides by 0.35

d = 76

She has 76 dimes and 76 + 2 = 78 quarters.

5 0
3 years ago
The circular opening of a vase has an inside diameter of 13.5 cm.
Sunny_sXe [5.5K]

Answer:

Area = 143cm^2

Step-by-step explanation:

Given

Shape: Opening of a circular vase

Diameter =13.5cm

\pi = 3.14

Required

Determine the area

This opening implies a circle; hence the area will be calculated using area of a circle.

Area = \pi r^2

Solve for radius (r)

r = \frac{d}{2}

r = \frac{13.5\ cm}{2}

r = 6.75\ cm

Substitute 6.75 for r in Area = \pi r^2

Area = 3.14 * 6.75^2

Area = 143.06625

Area = 143cm^2 --- Approximated

4 0
3 years ago
3. The circumference of the Earth is approximately 25,000 miles at the equator. What is the distance in scientific notation?
SIZIF [17.4K]
<span>2.5 × 104 miles................................................................</span>
7 0
3 years ago
Read 2 more answers
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