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slega [8]
3 years ago
9

Hewlpp!!!!!!!! please!!

Mathematics
2 answers:
True [87]3 years ago
8 0

Answer:

x=55

Step-by-step explanation:

(2x+10) + (x+5) = 180

3x+15=180

3x=165

x=55

Pie3 years ago
3 0
The answer of X is 55 x=55
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of the 50 students in the cafeteria, 7 have red hair. If there are 750 students in the school, predict the number of students wh
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Answer:

105 students

Step-by-step explanation:

7/50 = x/750

(7 * 750)/50 = 5250/50

= 105

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Answer:

kYL E DID WHAT

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wariber [46]
It is the tyhird one 
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Can someone please help?
givi [52]

Answer:

Even

Step-by-step explanation:

An odd number added by an odd number will equal an even number.

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Answer:

There are many. Two examples are

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There are many examples. The simplest is

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f(x) = x

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\text{if \,\,\,\,}  f(x) = f(y) \,\,\,\,\,\text{then} \,\,\,\,\, x=y

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f(x) = x^3

That function is injective as well.

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An example of a function that is NOT injective is

f(x) = x^2

Notice that

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4 0
3 years ago
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