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Alenkinab [10]
3 years ago
10

What is cos K? I suck at math:(

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer:

cos K = 12/13

Step-by-step explanation:

cos theta = opposite side/ hypotenuse  for a right triangle

cos K = 12/13

You might be interested in
points P and Q lie 240 m apart in line with and on opposite sides of a communications tower. the angles of elevation to the top
Leona [35]

Answer:

The height of the tower is 130.5m

Step-by-step explanation:

In the question, we are given the following values:

The angles of elevation to the top of the tower from P = 50°

The angles of elevation to the top of the tower from Q = 45°

The angles of elevation to the top of the tower from P = 50°

Hence,cot P = 1/ tan(50°)

The angles of elevation to the top of the tower from Q = 45°

Hence, tan 45° = 1

In the question,we are told Points P and Q lie 240 m apart in line with and on opposite sides of a communications tower.

Therefore,

PQ = height of the tower( tan Q + 1/tan P)

240m = height of the tower( tan 45° + 1/ tan 50°)

240m = h(1 + 1/tan 50°)

h = (240 m)/(1 + 1/tan (50°))

h = 130.49863962 meters

Therefore, the height of the tower to the nearest tenth of a meter is 130.5 meters(m)

5 0
3 years ago
Please help I’ll mark you as brainliest if correct!
WITCHER [35]

Answer:

576 cubic cm

Step-by-step explanation:

l×w×h :) 12 is l , 6 is w, 8 is h !

4 0
3 years ago
Please help me it’s due tonight and I’m stuck on this question!!
solniwko [45]

Answer:

The length of the ramp is 7.3 meters.

Step-by-step explanation:

The length of a triangle's side must be less than the sum of its two other sides. It also cannot have the same value as its other combined sides.

7 + 2 > 7.3

2 + 7.3 > 7

7 + 7.3 > 2

<em>r</em> is also longer than 7 meters, so that leaves option b. as your answer.

3 0
3 years ago
8 tins holds 42-2-3 liter of oil. How many liters can 1such tin hold
GarryVolchara [31]
Answer = 4.625


Solution =42-2-3=37

37 divided by 8 = 4.625




Holley Gus’s it’s the answer
8 0
3 years ago
Which description does NOT guarantee that a quadrilateral is a rectangle?
grandymaker [24]
The answer would be : A parallelogram with congruent sides does NOT guarantee that a quadrilateral is a rectangle  
7 0
3 years ago
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