MATHEMATICS MIDDLE SCHOOL

the dry cleaning fee for 3 pairs of pants is $18. what is the constant of proportionality. How much will the dry cleaner charge for 11 pairs of pants?

Answers

Answer 1
Answer:

Answer:

Constant of proportionality is $6 for one pair and cost of dry cleaning 11 pairs of pants is $66.

Step-by-step explanation:

Dry cleaning fees is directly proportional to the charges of dry cleaning.

Cleaning fee ∝ Pairs of pants

Cleaning fee = k × Pairs of pants

where k is the proportionality constant.

If dry cleaning fee for 3 pairs of pants is $18 then from the equation given above

18 = k ×3

k = (18)/(3)=6

SO the equation will be Cleaning fees = 6×Pairs of pants

For 11 pairs of pants,

Cleaning fees = 6×11 = $66

Therefore, constant of proportionality is $6 for one pair of pants and cost of dry cleaning 11 pairs of pants is $66.
Answer 2
Answer: its 6$ for 1 pair of pants so for 11 pairs of pant's it is 66$

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Answers

Answer:

(0,4),(1,5)

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Step-by-step explanation:

Mrs.piant's yearly salary is $42000 and increase $2000 per year .Mr.paint's yearly salary is $37000 and increase $3000 per year .In how many years will Mr. and Mrs.paint make the same salary

Answers

Answer:

Step-by-step explanation:

          Mrs.          Mr.

1st       $44,000   $40,000

2nd    $46,000    $43,000

3rd     $48,000    $46,000

4th     $50,000    $49,000

5th     $52,000    $52,000

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Sybrina jogged 2 miles in 30 minutes. At this rate, how far would she jog in 90 minutes?At what rate did she jog each hour?

Answers

6 miles in 90 minutes and 4 miles per hour. 30 times two is 60 min so 2 miles times two is 4 miles. 

another 30 min is 90 min and another two miles is 6 miles.
2miles per 30min - 2 to 3
90/30=3x2=6
6miles in 90min
She was jogging @ a 1mile per 15min but each hour it was 4mile per hour

How do you find the perimeter of a dented square?

Answers

you still have to add up all the sides
a-is\ side\ of\ the\ square C=a+a+a+a = 4\cdot a

67% of 8.7 = ___ estimate

Answers

The answer is 5.829 but with and estimate... 6

Final answer:

To calculate 67% of 8.7, we convert 67% to its decimal form, 0.67, and multiply it by 8.7, getting an estimated value of 5.83.

Explanation:

To calculate 67% of 8.7, we should multiply 8.7 by 0.67 (which is the decimal equivalent of 67%).

Let's do the calculation:

  1. Convert 67% to decimal form: 67 / 100 = 0.67
  2. Multiply 8.7 by 0.67: 8.7 × 0.67 = 5.829.

So, 67% of 8.7 is approximately 5.83. This is an estimate, since we rounded the final answer to the nearest hundredths place for simplicity. As always, check with your teacher or test instructions for how many decimal places they want you to round to.

Learn more about Percentage Calculation here:

brainly.com/question/32197511

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Last year, Austin, Texas received 23.5 inches of rainfall. This year, Austin received 21.2 inches of rainfall. Find the percent of decrease in the number of inches of rainfall. Round your answer to the nearest tenth of a percent, if necessary.

Answers

Let's consider that 23.5 is 100% of rainfall.
23.5 ..... 100 %
21.2 ..... x %

Calculate x:
x = (21.2 \cdot 100)/(23.5) = 90.212766, which is around 90.2%.

The percent of decrease is 100 - 90.2 = 9.8 %.

Answer:

B 9.8

Step-by-step explanation:
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