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vovikov84 [41]
3 years ago
15

Which inequality represents the problem? A seagull can dive below sea level at a rate of 2 meters per second. How many seconds w

ill it take the seagull to reach a depth of at least –19 meters?
Mathematics
1 answer:
VladimirAG [237]3 years ago
7 0
A submarine descends below the oceans surface at a rate of 75 feet per minute. How naby feet below the iceabs surface will the submarine be in 12 minutes

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What is the solution to the equation below? ​
SIZIF [17.4K]

Answer:

The solutions are (2,0) and (3,0)

Step-by-step explanation:

The common denominator is (x - 2)(x - 4) which comes to x^2 - 6x + 8 which is exactly what the denominator on the right hand side is.

2x (x - 4) - (x+3)(x - 2)      =    - 4x

=============                   ========

(x -2)(x - 4)                            x^2 - 6x - 8

Multiply both sides by x^2 -6x - 8

2x(x - 4) - (x^2 + x - 6 ) = - 4x       Remove the brackets

2x^2 - 8x - x^2 - x + 6  = - 4x       Combine like terms on the left

2x^2 - x^2 - 8x - x + 6 =  - 4x

x^2 - 9x + 6 = - 4x                        Add 4x from both sides

x^2 - 9x + 4x + 6 = 0

x^2 - 5x + 6 = 0

This factors into

(x - 2) and (x - 3)

x - 2 = 0

x = 2

x - 3  = 0

x = 3

 

6 0
3 years ago
A tree is leaning at a 5° angle from vertical, making an 85° angle with the ground. when the sun is at a 65° angle of elevation,
White raven [17]

using the law of sines, the approximate length of the tree is calculated as: C. 45 ft.

<h3>What is the Law of Sines?</h3>

The law of sines is given as: sin A/a = sin B/b = sin C/c, which is used to solve a triangle.

Given the following:

  • H = the length of the tree = ? (b)
  • Let sin A = 30°
  • a = 25
  • Sin B = 65°

Apply the law of sines

sin 30/25 = sin 65/H

H = (sin 65 × 25)/sin 30

H ≈ 45 ft.

Learn more about the law of sines on:

brainly.com/question/2807639

#SPJ4

5 0
2 years ago
A prism with a volume of 270 m³ is dilated by a factor of 3. What is the volume of the dilated prism?
BartSMP [9]

1. 3^3 = 27, 27 x 270 = 7,290m^3

2. original volume = 8 x 6 = 48 cm^3

new volume = 48 x (5/4)^3 = 93.75 cm^3

 

8 0
4 years ago
Read 2 more answers
Simplify the expression:<br><br> 4(2 + 8v) =
yawa3891 [41]

Answer:

8 + 32v

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A fruit punch contains 20% fruit juice is combined with 100% fruit juice how many ounces of each should be used to make 40oz of
arsen [322]
The answer is 220 for this problem
4 0
4 years ago
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