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vlada-n [284]
3 years ago
9

I need help with this math problem​

Mathematics
2 answers:
marissa [1.9K]3 years ago
8 0
The answer is D which is 23
Dovator [93]3 years ago
3 0

Teh value of x is 23° (D)

Step-by-step explanation:

Total of angel = 360°

The value of x :

(2x + 15)° + 119° + 99° + 81° = 360°

2x + (15 + 119 + 99 + 81)° = 360°

2x + 314° = 360°

2x = 360° - 314°

2x = 46

x = 46 ÷ 2

x = <u>23°</u>

So, the value of x is 23° (D)

<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>

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4 0
3 years ago
82 is 90% of what number?
chubhunter [2.5K]
You need to do like this:
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Plug the numbers into the formula:
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Multiply diagnally: 100 × 90 = 9000 ÷ 82 ≈ 109.76
i don't really sure it was completly correct but hoped it helps:)
8 0
4 years ago
What’s the correct answer for this?
grigory [225]

Answer:

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Step-by-step explanation:

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It is a little confusing but since it is two places off you subtract two twice

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