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Nataly [62]
2 years ago
15

20 points, please help. Geometry help needed. C is 56.55 D is 25.38

Mathematics
1 answer:
lutik1710 [3]2 years ago
6 0

Answer:

c cause it willl be more likely trust

Step-by-step explanation:

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The mean of 5 numbers is ten I add one now the mean is 11 which number did I add?
Leno4ka [110]

Answer:

you added 6

Step-by-step explanation:

how the number order goes.

3 0
2 years ago
From a height of 50 meters above sea level on a cliff, two ships are sighted due west. The angles of depression are 61° and 28°.
Olenka [21]

Answer:

The ships are 66 meters apart.

Step-by-step explanation:

For the sake of convenience, let us label ships A and B

As shown in the figure, the distances to the ships from right triangles.

The distance to the ship A is d_1 and it is given by

tan (61^o)= \dfrac{50}{d_1}

d_1=\dfrac{50}{tan (61^o)}

\boxed{d_1= 27.71m}

And the distance to the ship B is d_2 and is given by

tan (28^o)= \dfrac{50}{d_2}

d_2=\dfrac{50}{tan (28^o)}

\boxed{ d_2=94.04m}

Therefore, the distance d between the ships A and B is

d= d_2-d_1=94.04-27.7\\\\\boxed{d=66m}

In other words, the ships are 66 meters apart.

8 0
3 years ago
Read 2 more answers
Evaluate: 5-3[2+(-5)]2-8
trasher [3.6K]

Answer:

15

Step-by-step explanation:

5 - 3[ 2 + (-5)] 2 - 8

Subtract 5 from 2 to get −3.

5 - 3 (-3) × 2 - 8

Multiply 3 and −3 to get −9.

5 - (-9 × 2) - 8

Multiply −9 and 2 to get −18.

5 - (-18) - 8

The opposite of −18 is 18.

5 + 18 - 8

Add 5 and 18 to get 23.

23 - 8

Subtract 8 from 23 to get 15.

15

Hope it helps and have a great day! =D

~sunshine~

7 0
2 years ago
Read 2 more answers
Find the circumference of this circle<br> using 3 for T.<br> C = ?
DerKrebs [107]

Answer:

72

Step-by-step explanation:

C = pi* d

pi= 3 (given in the problem)

d=24(the diameter is given in the picture)

C= 3*24 = 72

3 0
2 years ago
The expression 2x+50 represents the elevation above sea level, in meters, of a rock climber after x minutes of climbing. What is
ladessa [460]
Elevation above sea level = 2x+50
rock climbers minute of climbing = x

2x + x + 50
3x + 50
5 0
3 years ago
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