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3 years ago

Which of these rational numbers is also an integer? A. 2/4 B. 0.24 C. 4/2 D. 2.4

Mathematics

2 answers:

AnnyKZ [126]3 years ago

8 0

Answer is C. bottom left

4/2 : rational
4/2 = 2 : integer

Kryger [21]3 years ago

6 0

When you simplify 4/2 you get 2, 2 is an integer.

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A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an an

liubo4ka [24]

Answer:

The speed in of the plane is 115.47 m/sec

Step-by-step explanation:

Given:

Height at which the plane is flying = 6000 m

Angle of elevation at the radar base = 30 Degrees

Angle of elevation at the radar base after one minute = 60 Degrees

To Find:

The Speed of the plane in meter per second = ?

Solution:

Let us use the tangent of the angle to find the distance (d) to a point directly below plane:

when the angle is 30 degrees

$tan(30) = \frac{6000}{d1}$

$d1 = \frac{6000}{tan(30)}$

$d1 = \frac{6000}{0.577}$

d1 = 10392.3 meters

when the angle is 60 degrees

$tan(60) = \frac{6000}{d2}$

$d2 = \frac{6000}{tan(60)}$

$d2 = \frac{6000}{1.732}\\$

d2 = 3464.1 meters

distance travelled by aircraft in 1 min is

=>d1 - d2

=>0392.3 - 3464.1

= 6928.2 m/min

Now converting to m/sec

=> $\frac{6928.2}{60}$

=>115.47 m/sec

4 0

3 years ago

K is an example of. O an equation O a formula O a constant O a variable

Diano4ka-milaya [45]

The answer is (a variable)

8 0

2 years ago

Read 2 more answers

Which of the following numbers is NOT a solution of the equation |x + 5| = x + 5?

Nata [24]

Answer:

-10 is not a solution to the equation

Step-by-step explanation:

I don't really have an explanation

7 0

3 years ago

9u²v and which term are like terms?

MaRussiya [10]

There are no like terms in 9u^2v because it is all one term and none of the variables are like one another.

4 0

3 years ago

Y = -x^2 + 4x quadratic formula

marin [14]

Answer:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Down

Vertex:

( 2 , 4 )

Focus:

( 2 , 15 /4 )

Axis of Symmetry:

x = 2

Directrix:

y = 17 /4

x y

0 0

1 3

2 4

3 3

4 0

To find the x-intercept, substitute in

0 for y and solve for x . To find the y-intercept, substitute in 0 for x and solve for y .

x-intercept(s): ( 0 , 0 ) , ( − 4 , 0 )

y-intercept(s): ( 0 , 0 )

Step-by-step explanation:

4 0

2 years ago