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3 years ago

Eric bought a canoe for $329.99. The sales tax was 5%. What is the total cost including tax?

2 answers:

8 0

346.49 or 346.48

You have to find the tax by moving the decimal 2 to the right then multiplying it by the total which gives the tax so you just have to add it to the original cost

Olin [163]3 years ago

3 0

Answer:

Step-by-step explanation:

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The answer would be m=5

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Jim began a 226-mile bicycle trip to build up stamina for a triathlete competition. Unfortunately, his bicycle chain broke, so h

Hitman42 [59]

Answer: 5.5hours

Step-by-step explanation:

Total distance = 226miles

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226 = 4b + 280 - 40b

226 = 280-36b

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3 years ago

What is the value of x that makes the given equation true?

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Answer:

x = -4

Step-by-step explanation:

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The graph represents data from an experiment. Complete the sentence by selecting the correct distribution type from the drop-dow

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That would mean it is skewed left.

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A bakery measured the mass of a whole cake as 0.870 kg. A customer bought one slice of the cake and measured the mass of the sli

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<h2>The mass of the remaining cake is 0.755 kg.</h2><h3 /><h3>FURTHER EXPLANATION</h3>

The mass of the remaining cake can be obtained straightforwardly by getting the difference of the masses of the whole cake and the cake slice:

$mass \ of \ remaining \ cake \ = mass \ of \ whole \ cake \ - \ mass \ of \ one \ slice$

Sorting the given and plugging them into the equation would give:

$mass \ of \ remaining \ cake \ = 0.870 \ kg - 0.1151 \ kg\\\\\\\boxed {mass \ of \ remaining \ cake = 0.7549 \ kg}$

The problem requires that the answer be expressed with the correct number of significant figures. To do so, recall the rules for determining the number of significant figures needed:

<h3>Significant Figures: Addition and Subtraction </h3>

The final answer must have the same number of decimal places as the given with the least number of decimal places.

<h3>Significant Figures: Multiplication and Division</h3>

The final answer must have the same number of significant figures as the given with the least number of significant figures.

<h3>Significant Figures: Rounding Off Rules</h3>

If the last digit is followed by 1 to 4, it will be unchanged and the other digits dropped. (Example: 1.<u>2</u>34 is rounded to 1.2)
If the last digit is followed by 6 to 9, then it will be increased by one and the other digits dropped. (Example: 1.<u>2</u>64 is rounded to 1.3)
If the last digit is followed by 5:

and 5 is followed by zeros or no digit at all, the last digit will be unchanged if it is even or will increase by one if it is odd. (Example: 1.<u>4</u>50 is rounded to 1.4; 1.<u>5</u>50 is rounded to 1.6)
and 5 is followed by nonzero digits, the last digit is increased by 1. (Example 8.<u>7</u>517 is rounded to 8.8)

Based on the rules above, the final answer to this problem must have 3 decimal places since the given with the least number of decimal places has 3 (0.870 kg). The last digit is 4 (0.75<u>4</u>9 kg) and is followed by the digit 9, hence, it will be increased by one. Based on the rounding rule, the final answer must be:

$\boxed {\boxed {mass \ of \ remaining \ cake \ = 0.755 \ kg}}$

<h3>Learn More</h3>

Place Values brainly.com/question/4824362
Significant Figures brainly.com/question/4824362

<h3>Keywords: Rounding Off, Significant Figures</h3>

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3 years ago

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