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zhuklara [117]
2 years ago
8

Two angles are supplementary if their sum is 180 degrees

Mathematics
1 answer:
maksim [4K]2 years ago
8 0

Answer:

maybe 80 degrees and 100? might be wrong dont count on me fully

Step-by-step explanation:

You might be interested in
A 63°.<br> b27°.<br> c 17°.<br> d None of the choices are correct.
trapecia [35]

Answer:

We know that angle 2 is 63. We also know that 2 and 3 are vertical pairs.

Therefor, they are congruent with one another.

Angle 3 is 63.

6 0
3 years ago
An island is 3 kilometers due north of its closest point along a straight shoreline. A visitor is staying in a tent that is 13 k
spin [16.1K]

Answer:

The visitor should run 13 km due west from the tent

Step-by-step explanation:

Here we have;

Location of island = 3 km North of point on shoreline

Location of tent = 13 km East of point on shoreline

Running speed of visitor = 8 km/h

Swimming speed = 1 km/h

Distance of island from tent = \sqrt{3^{2} + 13^{2}  } = 13.34 km

Since, time = distance/speed, it will take 13.34/1 hours or 13.34 hours to swim directly to the island.

However if the visitor first runs to the closest point on the shoreline to the island, then swims across to the island, it will take;

13/8 Hr + 3/1 hr = 37/8 hours or 4.625 hours only.

Therefore, to minimize the time it takes to reach the island, the visitor has to run 13 km west of the tent to first get to the closest point of the shoreline to the island before swimming across to the island.

3 0
3 years ago
Read 2 more answers
What is the solution for the equation?
Wewaii [24]

Answer:

A. n = -13/4

Step-by-step explanation:

well, it can be changes to

-10/4 = 3/4 + n

subtract 3/4

-13/4 = n

3 0
3 years ago
Simplify. to lowest term 14\98
Ne4ueva [31]
1/7? This doesn't seem to be college math but that's cause I'm in high school :P

4 0
3 years ago
Read 2 more answers
Can anyone explain #4 on how to do it
Lana71 [14]
Here is the formula for find the one inside of the polygon: 
(n-2).180/n (n shows how many sides does polygon have)
so now we can solve the equation==== (n-2).180/n=144
1144n=(n-2).180
144n=180n-360
360=36n
n=10 
so we call it decagon :) 

5 0
3 years ago
Read 2 more answers
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