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natka813 [3]
4 years ago
12

It cost Alexandra $9.90 to send 198 text messages. How many text messages did she send if she spent $2.35?

Mathematics
2 answers:
ser-zykov [4K]4 years ago
6 0

Answer: 47

Step-by-step explanation:

9.90/198=0.05

2.35/0.05=47

tatiyna4 years ago
4 0

Answer:

77

Step-by-step explanation:

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In ΔKLM, l = 300 inches, ∠L=161° and ∠M=18°. Find the length of k, to the nearest 10th of an inch.
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Step-by-step explanation:

In ΔKLM,

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To determine k in the diagram, we use the Law of Sines.

\frac{k}{Sin K}=\frac{l}{Sin L}

\frac{k}{Sin 1}=\frac{300}{Sin 161}

k X Sin 161°=300 X sin 1°

k=(300 X sin 1°)÷sin 161°

k=16.1 inches (correct to the nearest tenth of an inch)

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