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melamori03 [73]
3 years ago
9

Find the equation of the line that passes through the pair of points(-1,-2),(-1,3)

Mathematics
1 answer:
Sliva [168]3 years ago
5 0

Answer:

x = -1

Step-by-step explanation:

If both the x values are the same it will be a vertical line and the equation will be x = whatever the x value is in the ordered pair.

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From a boat ont he lake, the angle of elevation to the top of a cliff is 11° 50'. If the base of the cliff is 1568 feet from the
Marizza181 [45]

Answer:

328 feet

Step-by-step explanation:

From a boat ont he lake, the angle of elevation to the top of a cliff is 11° 50'. If the base of the cliff is 1568 feet from the boat, how high is the cliff (to the nearest foot)

Step 1

Note that

that 11°50' is just 11 degrees and 50 minutes

60 minutes = 1 degree,

thus 50 minutes = x degree

50/60 degrees

= 0.83°

Hence: 11°50' = 11.83°.

Step 2

We solve using Trigonometric function of tan

tan theta = Opposite/Adjacent

theta = 11.83°

Adjacent = 1568 feet

Opposite = Height of the cliff = x

tan 11.83° = x/1568

Cross Multiply

x = tan 11.83 × 1568

x = 328.429195 feet

Approximately = 328 feet

The height of the cliff is 328 feet

8 0
3 years ago
5, 3, 2, 6, 5, 2,5<br>mean:<br>median:<br>mode:<br>range:<br>​
saul85 [17]

Answer:

mean: 4

median: 5

mode: 5

range: 4

7 0
3 years ago
Turner is deep-sea diving with two friends. Janelle is floating on the surface 15 meters above
lutik1710 [3]
23 because if u add bothe of them up
3 0
2 years ago
How do you solve m=10x-x for x
cricket20 [7]
<span>m=10x-x for x
first subtract x from 10x

m=9x
divide both sides by 9

m/9=x

x=m/9</span>
3 0
3 years ago
Convert 72° 36' 45" into centesimal measurement.​
zavuch27 [327]

Answer:

Answer:

8

Step-by-step explanation:

x= centesimal angle (100 degrees in a

right angle)

y= sexagesimal angle (90 degrees in a

right angle)

=

x - y = 15

xx90/100 = y

xx9/10 = y

X - XX9/10 = 15

10x/10 - 9x/10 = 15

=

X/10 = 15

x= 150

y = 150x9/10 = 15x9 = 135

=

using centesimal system:

the sum of all external angles in a

polygon is 400 degrees (a full circle).

one external angle is the complement

of one internal angle to 200 degrees =

200-150=50 degrees.

to find the number of sides of the

polygon we need to find the number of

angles or corners. and that is how many

external angles fit into the full circle.

n = 400/50 = 8

=

the polygon has 8 sides

5 0
3 years ago
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