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alisha [4.7K]
2 years ago
8

Please helppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Olin [163]2 years ago
6 0

So here, ABCD is being inscribed in a circle, so ABCD is a cyclic quadrilateral (as inscribed in a circle) also, there exists a property of cyclic quadrilateral, i.e, the sum of opposite angles of a cyclic quadrilateral is 180°, so we can just write the following equation using this :

{:\implies \quad \sf y^{\circ}+83^{\circ}=180^{\circ}}

{:\implies \quad \sf y^{\circ}=180^{\circ}-83^{\circ}}

{:\implies \quad \sf y^{\circ}=97^{\circ}}

{:\implies \quad \boxed{\bf{y=97}}}

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Answer:

14 pounds.

Step-by-step explanation:

10 cubed is 1000.

14000/1000=14

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2 years ago
A chemist wants to make 100 liters of a 44% acid solution. She has solutions that are 20% acid and 60% acid.
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\begin{array}{lcccl} &\stackrel{solution}{quantity}&\stackrel{\textit{\% of }}{amount}&\stackrel{\textit{liters of }}{amount}\\ \cline{2-4}&\\ \textit{1st solution}&x&0.20&0.2x\\ \textit{2nd solution}&y&0.60&0.6y\\ \cline{2-4}&\\ mixture&100&0.44&44 \end{array}~\hfill \begin{cases} x+y=100\\\\ 0.2x+0.6y=44 \end{cases}

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2 years ago
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If you are assuming that C is the notation for the combination. 
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The answer for the question is 11:45
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