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Fiesta28 [93]
2 years ago
9

By how much is 21 greater than 13.969​

Mathematics
1 answer:
olasank [31]2 years ago
8 0
Answer: 7.031
21 is greater than 13.969 by 7.031

Explanation: 21 - 13.969 = 7.031
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If we take 1200 to be the 100%, then what is 210 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1200&100\\
210&x
\end{array}\implies \cfrac{1200}{210}=\cfrac{100}{x}\implies x=\cfrac{210\cdot 100}{1200}
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3 years ago
Which list of numbers is arranged from least to greatest? f 0.25,17%,3 g 17%,29,0.25 h 0.25,29,17% j 17%,0.25,29?
Fed [463]
The list that is ordered least to greatest is ...
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3 years ago
In aΔABC, if ∠B = 60° and the ratio of two sides is a : c = 2 : √3 + 1, then ∠A= ____.
UkoKoshka [18]

Answer:

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b^2 = a^2 + c^2 – 2 a c cos B

b^2=(2)^2 +(√3 + 1)^2 - 2(2)(√3 + 1) cos 60

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Now we can calculate ∠A by sine law:

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sin A = 0.7069

sin A = 0.707

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Thus ∠A= 45°....

4 0
3 years ago
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3 years ago
A triangle with one angle larger than 90° is called a(n) triangle.
Ahat [919]

Answer:

Step-by-step explanation:

Obtuse

Best regards

8 0
3 years ago
Read 2 more answers
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