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storchak [24]
2 years ago
13

X + 7 < 12 please help,

Mathematics
2 answers:
ziro4ka [17]2 years ago
7 0
Answer: X < 5

Explanation
X + 7 < 12
- 7 - 7
X < 5

In interval notation it would be ( - infinite, 5)
sesenic [268]2 years ago
6 0

Answer:

x<5

Step-by-step explanation:

x+7-7<12-7

(subtract 7 from both sides)=

x < 5

i hope this helps you !

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ivanzaharov [21]

Answer:

  x = 70°

Step-by-step explanation:

The relevant relations are ...

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Triangle OBQ is isosceles, so angle OQB = 40°. Triangle OPQ is isosceles, so angle OQP is x. The sum of angles OQB and OQP is angle BQP, which is supplementary to angle OPQ. That is, ...

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There are many ways to find x. The one shown here is just one of them. In general, right triangles, isosceles triangles, symmetry, inscribed angles can all be used to write relations involving the known angles and x.

7 0
2 years ago
Which of the following expressions represents the statement below?
exis [7]

Option D. 2(n + 9) is the right answer

Step-by-step explanation:

The word problems are converted into mathematical problems to solve simply.

for the given problem

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Let n be a number then

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Then

two times the sum of a number and 9

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Hence,

Option D. 2(n + 9) is the right answer

Keywords: Mathematical notation

Learn more about mathematical notation at:

  • brainly.com/question/10364988
  • brainly.com/question/10435816

#LearnwithBrainly

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Step-by-step explanation:

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The first option is cheaper if that’s what you’re asking.
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