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Vitek1552 [10]
3 years ago
7

What’s 18.938+23.57 to the nearest whole number

Mathematics
2 answers:
horsena [70]3 years ago
5 0

Answer: 43

Step-by-step explanation:

xenn [34]3 years ago
3 0

Answer:

43

Step-by-step explanation:

18.938+23.57

= 42.508

= 43 (rounded up to nearest whole number)

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What is 1 +1 pls HELP
ElenaW [278]

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

(x in S => x' in S) holds, then S = N.

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

a + b = (a + c)'.

You also have to define 1 = 0', and 2 = 1'. Then the proof of the

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

parentheses: 1 + 1 = (1)' = 1' = 2 Q.E.D.

3 0
3 years ago
About how many people out of 350 would likely wear blue jeans?
skelet666 [1.2K]

Answer:84

Step-by-step explanation:

Set up a proportion

36/150 =x/350

Cross multiply then divide

4 0
3 years ago
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How do you find the area of a circle with the diameter of 2?
Alexeev081 [22]

Answer:

value of pi

Step-by-step explanation:

area of circle = pi x r x r

d= 2 x r

r = 1

pi x 1 x 1 = pi

4 0
3 years ago
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Express your answer in scientific notation. <img src="https://tex.z-dn.net/?f=3600%20-%206.3%5Ccdot%2010%5E%7B2%7D" id="TexFormu
Ipatiy [6.2K]
Evaluate the power 3600-6.3 x 100, then your gonna want to multiply the numbers 3600-630 , once you subtract the numbers your answer will be 2970
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If &lt;1 and &lt;2 form a linear pair and m&lt;1 = 62, find m&lt;2
kotykmax [81]

Answer:

m<2 is 118

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x + 62 = 180

x= 118 degrees

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