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3 years ago

What is x minus 3 and y plus 4

Mathematics

1 answer:

professor190 [17]3 years ago

7 0

Answer:

3x+4y

Step-by-step explanation:

hope this helps...

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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

A triangle with vertices at A (0,2), B(12,-5), (12,9)

vodomira [7]

Answer:b

Step-by-step explanation:

5 0

3 years ago

Answer the questions about congruent triangles.

Brrunno [24]

Answer:

<B = <G

Step-by-step explanation:

ABC ≅FGH

<A = <F

<B = <G

<C = <H

because corresponding parts of congruent triangles are congruent

3 0

3 years ago

What does an exponential function graph look like

Step2247 [10]

Answer:

LIKE DIS. It goes in a curve form. It goes slow and steady in the beginning and then it starts to rapidly increase.

Step-by-step explanation:

8 0

3 years ago

Write a compound inequality to represent all of the numbers between -4 and 6

Neko [114]

-4 ≤ n ≤ 6

Hope this helps! :)))

6 0

3 years ago