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Fudgin [204]
3 years ago
8

Find the angle complementary to the angle 80°25′.

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0
<span>Two angles are said to be complementary to each other when the sum of the two angles gives 90°. To find the angle complementary to angle 80°25′, we subtract angle 80°25′ from angle 90°. i.e. 90° - 80°25′ = 90° - 80° 25/60 = 90° - 80° 5/12 = 9° 7/12 = 9° (7/12 x 60)' = 9°35' Therefore, the angle complementary to 80°25′ is 9°35'.</span>
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2 years ago
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What is 1 +1 pls HELP
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Answer:

2

Step-by-step explanation:

Subject: Re: Need the math proof for 1 + 1 = 2

The proof starts from the Peano Postulates, which define the natural

numbers N. N is the smallest set satisfying these postulates:

P1. 1 is in N.

P2. If x is in N, then its "successor" x' is in N.

P3. There is no x such that x' = 1.

P4. If x isn't 1, then there is a y in N such that y' = x.

P5. If S is a subset of N, 1 is in S, and the implication

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Then you have to define addition recursively:

Def: Let a and b be in N. If b = 1, then define a + b = a'

(using P1 and P2). If b isn't 1, then let c' = b, with c in N

(using P4), and define a + b = (a + c)'.

Then you have to define 2:

Def: 2 = 1'

2 is in N by P1, P2, and the definition of 2.

Theorem: 1 + 1 = 2

Proof: Use the first part of the definition of + with a = b = 1.

Then 1 + 1 = 1' = 2 Q.E.D.

Note: There is an alternate formulation of the Peano Postulates which

replaces 1 with 0 in P1, P3, P4, and P5. Then you have to change the

definition of addition to this:

Def: Let a and b be in N. If b = 0, then define a + b = a.

If b isn't 0, then let c' = b, with c in N, and define

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Theorem above is a little different:

Proof: Use the second part of the definition of + first:

1 + 1 = (1 + 0)'

Now use the first part of the definition of + on the sum in

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3 0
3 years ago
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8 0
3 years ago
What is 125 divided by 5? How do we do it in friendly parts
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7 0
2 years ago
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MatroZZZ [7]

Answer:

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Step-by-step explanation:

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Just for information, if k=7 the system will have infinitely many solutions.

5 0
2 years ago
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