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Kruka [31]
3 years ago
8

Is the square root of 128 irrational?

Mathematics
2 answers:
Sergio [31]3 years ago
7 0
Yes because it’s a decimal
Lapatulllka [165]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

yes because it is a decimal that does not repeat or have a pattern.

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-7.2x+3.5=-8.7x-10 help plz
m_a_m_a [10]
-7.2x + 8.7x = -3.5 - 10
1.5x = -13.5
x = -13.5/1.5
x = -9
5 0
3 years ago
Help plz i need some one two help me
mario62 [17]
I forgot how to do this
5 0
3 years ago
At a grocery store you can buy a whole chicken the weights 4 pounds for $3.88 you can also buy a package of chicken drumsticks t
lilavasa [31]
The better buy is 4lbs for $3.88
3.88/4=.97
3.06/3=1.02

4 0
3 years ago
Use the marked parallel lines to find the value of y in the diagram below (1 point)
Inessa [10]
2x + 5 = 3x - 45                    [alternate interior angles]
3x - 2x = 5 + 45
x = 50

4y - 1 + 2x + 5 = 180                [supplementaly angles]
4y + 2(50) + 4 = 180
4y + 100 = 176
4y = 76
y = 19
7 0
2 years ago
A plane flies at 350 mph in the direction N 40° E with a wind blowing at 40 mph in the direction S 70° E. What is the plane’s dr
kozerog [31]

Answer:

The drift angle is approximately 7.65° towards the East from the plane's heading

Step-by-step explanation:

The speed of the plane = 350 mph

The direction in which the plane flies N 40° E = 50° counterclockwise from the eastern direction

The speed of the wind = 40 mph

The direction of the wind = S 70° E = 20° clockwise from the eastern direction

The component velocities of the plane are;

R_{Plane} = (350 × cos 50)·i + (350 × sin 50)·j

R_{Wind} = (40 + cos 20)·i - (40 × sin 40)·j

The resultant speed of the plane = R_{Plane} + R_{Wind} = 265.915·i +242.404·j

The direction the plane is heading = tan⁻¹(242.404/265.915) ≈ 42.35°

Therefore, the drift angle = Actual Angle - Direction of the plane = 50 - 42.35 ≈ 7.65° towards the East

7 0
3 years ago
Read 2 more answers
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