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evablogger [386]
4 years ago
5

Write and solve an equation to find the value of X

Mathematics
2 answers:
Mumz [18]4 years ago
8 0
Angles on a straight line add up to 180 degrees so

45 + 3x = 180
Subtract 45 from both sides to remove the 45 on the left

3x = 135
Then divide both sides by 3
x = 45

Answer is X = 45
denpristay [2]4 years ago
6 0

Answer:

45 + 3x = 180

x = 45

Step-by-step explanation:

45 + 3x = 180

3x = 180 - 45

3x = 135

x = 135/3

so, x = 45

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The Ruiz family is exchanging euros for US dollars. The exchange rate is 1 euro equals 1.35261 USD. Since the Ruiz family knows
katovenus [111]

Answer:

It will depend on how many euros they intend to convert. If they were only converting one euro they would get $1.35 whichever rate they used, but imagine it was a thousand euros - at the correct rate they would get $1352.61, at the proposed rate they would only get $1350.

Step-by-step explanation:

No, by rounding the conversion ratio, the Ruiz family will not be getting the most accurate answer. Using the more accurate conversion ratio will give an answer with more than 2 decimal places so the answer can accurately be rounded after the conversion.

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3 years ago
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Tanzania [10]

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7 0
4 years ago
How to subtract algebraic fractions
sveticcg [70]

Answer:

\frac{5x+16}{(x+4)(x+6)}

Step-by-step explanation:

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Multiply the numerator/denominator of the first fraction by x + 6 and

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= \frac{x^2+8x+12-x^2-3x+4}{(x+4)(x+6)}

= \frac{5x+16}{(x+4)(x+6)}


8 0
4 years ago
Which figure always has exactly four lines of reflection that map the figure onto itself
iragen [17]
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Learn with an example
Mademuasel [1]

Answer:

13.4

Step-by-step explanation:

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