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Misha Larkins [42]
4 years ago
10

Which choice represents the best rational approximation for the square root of 20

Mathematics
2 answers:
kenny6666 [7]4 years ago
7 0

Answer:

the solution is 4.5

Step-by-step explanation:

olasank [31]4 years ago
7 0
4.4 or 4.5 if you want it exact 4.472135955
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Can someone explain or help me out
Akimi4 [234]

Answer:

The bird has to fly 7.5 m

Step-by-step explanation:

Please see diagram in attached image.

Notice that there is a right angle triangle that defines the situation, and you know two elements of such triangle;

1) one acute angle (15^o), and

2) the side opposite to that angle.

What you need to find is the side adjacent to the angle, which is what the bird needs to fly horizontally to be above the fish. We named that "x".

The trig function that relates such triangle elements is the tangent:

tan(\theta)=\frac{opposite}{adjacent} \\tan(15^o)=\frac{2\,m}{x} \\x=\frac{2\,m}{tan(15^o)} \\x=7.46 \,\,m

which rounded to the nearest tenth is: 7.5 m

8 0
4 years ago
What is the slope of the line that passes through the
Aleks04 [339]

Answer:

C) -6/12

Step-by-step explanation:

Sana nakatulong

8 0
3 years ago
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This month, 1,500 new members joined a particular health club.the club's goal for thos month was 2,000 new members.What percenta
Sergeeva-Olga [200]
I believe the answer would be 75% of the clubs goal was achieved. I hope this helps!!
4 0
4 years ago
Please help me do this​
Sever21 [200]

Answer:

Step-by-step explanation:

(3x + 1)/x = 1/(x -3)                Cross multiply

(3x + 1)(x - 3) = x                   Remove the brackets. Use FOIL

f:3x*x = 3x^2

o:3x*(-3) = -9x

i:1*x = x

L : 1 * - 3 = -3

FOIL: 3x^2 -9x +x - 3

FOIL: 3x^2 - 8x - 3

3x^2 - 8x - 3 = x                  Subtract x from both sides

3x^2 - 8x -x - 3 = 0             Combine

3x^2 - 9x - 3 = 0                 Factor

It's rather ugly. I had to use the quadratic equation

a = 3

b = - 9

c = - 3

x1 = 3.3

x2 = - 0.3

7 0
2 years ago
How many tablespoons would you need if a recipe called for 1 ½ cups of flour?
jeyben [28]

Answer:

You can add 4 tablespoons

Step-by-step explanation:

If you add 4 tablespoons the 1 1/2 cups of flour will blend in with the tablespoons making a circle like figure.

3 0
3 years ago
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