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jek_recluse [69]
3 years ago
11

Find the value of x. Then find the measure of each labeled angle.

Mathematics
2 answers:
Nat2105 [25]3 years ago
7 0

Answer:

x = 70; the labeled angles are 110º and 70º.

Step-by-step explanation:

The full degrees will add up to 180º. There are 2x and +40.

Equation: 2x+40=180

Solve: 2x+40=180\\\\180-40=140\\\\2x=140\\\\x=70

Since x=70, 70+40 will equal to 110.

Therefore, "x = 70; the labeled angles are 110º and 70º." is correct.

Ivanshal [37]3 years ago
6 0
I believe x equals 70 degrees
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Find the value of x such that 365 based seven + 43 based x = 217 based 10.
Pepsi [2]

We need to find the base x in the following equation:

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First, lets convert 365 from base 7 to base 10. This is given by

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where the upperindex denotes the position of eah number. This gives

\begin{gathered} 365_7=3\times49+6\times7+5\times1 \\ 365_7=147+42+5 \\ 365_7=194_{10} \end{gathered}

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Now, lets do the same for 43 based x. Lets convert 43 based x to base 10:

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Now, we have all number in base 10. Then, our first equation can be written in base 10 as

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Answer:

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