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Serjik [45]
4 years ago
7

Suppose that Bold w in V has the property that Bold uplusBold wequalsBold wplusBold uequalsBold u for all Bold u in V. In​ parti

cular, Bold 0plusBold wequalsBold 0. But Bold 0plusBold wequalsBold wplusBold 0 by Axiom nothing​, and Bold wplusBold 0equalsBold w by Axiom nothing. ​Hence, Bold wequalsBold wplusBold 0equalsBold 0plusBold wequalsBold 0.
Mathematics
1 answer:
Lady bird [3.3K]4 years ago
5 0

this ? makes no sense Step-by-step explanation:

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What is the value of h in the figure below? In this diagram, ABAD - ACBD.
andreev551 [17]

Answer:

h =12

Step-by-step explanation:

In\: \triangle ABC, \: \angle ABC = 90\degree \: \&\:\\ BD\perp AC

Therefore, by geometric mean property:

BD = \sqrt {AD\times CD} \\h = \sqrt {(AC-CD) \times CD} \\h = \sqrt {(25-16) \times 16} \\h = \sqrt {9 \times 16} \\h = \sqrt {144} \\\huge \red {\boxed {h = 12}} \\

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4 years ago
Two angles in a triangle add up to 98 degrees . What is the size of the third angle ?
ira [324]
First you must know that the sum of the interior angles of a triangle are 180.  Once you know that, you just simply add 98+x=180 (you can use an variable as you see fit, doesn't need to be x). And then you simply solve for x by dividing 98 on both sides leaving you with 82.
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3 years ago
A pilot takes a taxi from the airport to a hotel. The taxi driver charges $2.50 initial charge plus $2.65 per mile. which equati
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Answer:

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Step-by-step explanation:

Because the per mile charge is $2.65 per mile .. so for x miles, the per mile charge is 2.65x. And the fixed charge is the initial charge of $2.50.

y = 2.50 + 2.65x

7 0
3 years ago
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In a linear functions, f(x)=mx+b, your y-intercept is b. So any function that is any number times x plus 3 is going to give you a y intercept of 3.
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What is the radius and diameter of the following circle?
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