MATHEMATICS MIDDLE SCHOOL

The relationship between women’s whole-number shoe sizes and foot length forms an arithmetic sequence, where an is the foot length in inches that corresponds to a shoe size of n. A women’s size 3 fits a foot 8 inches long and women’s size 7 fits a foot 91 3 inches long. What is the common difference of the arithmetic sequence?

Answers

Answer 1

Answer:

part 1- 1/3

part 2- a.n = 22/3+(n-1)1/3

part 3- size 12

Step-by-step explanation:

Answer 2

Answer:

Answer: 1/3, just took the quiz

Step-by-step explanation:

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Vicki puts 10 books on a shelf.The 10 books take up 28 centimeters.
What is the mean (average) thickness of her books?
= 2.8 cm
The shelf is 120 centimeters long.
Vicki fills the shelf with a mixture of books like the first ten books.
Estimate how many books she can get on the 120 cm shelf.
Please show your working out.
Thanx

Answers

$the\ mean\ hickness\ of\ Vicki's\ books= (28\ cm)/(10) =2.8\ cm\n\n28\ cm\ \rightarrow\ 10\ boocks\n120\ cm\ \rightarrow\ x\n\nx= (120\cdot 10)/(28) \approx42.9\n\nAns.\ Vicki\ can\ put\ 42\ books.$

Max is 135 centimeters tall he is 18 centimeters taller than Rita Rita is 30 centimeters shorter than Jan how tall is jan.

Answers

135 - 18 = 117 cm
Rita = 117 cm tall

117 cm + 30 = 147 cm

Jan is 147 cm tall.

What is the complement of 86.4 degrees ?

Answers

Complement for angles means that the total degrees adds up to 90. (these are called complementary angles, supplementary angles add up to 180 degrees!)

Since you already have 86.4, you simple subtract.

90-86.4=3.6

your final answer is 3.6 degrees.

What is 50/100 as a decimal

Answers

Okay so, we divide 50 by 100. 50/100=0.5. Therefore, 50/100 as a decimal is 0.5 Hoped I helped. :)

0.500000. To get 50/100 converted to decimal, you simply divide 50 by 100.

Which of the following equations matches the graph?

Answers

Answer:

The answer closest to the graph is C. y= 5x-4

Step-by-step explanation:

If you graph the first answer (A. y= 1/5x+4), there is going to be a horizontal line above the x intercept. If you graph the second answer (B. y= 1/5x-4), there is going to be a horizontal line below the x intercept.

A small, test batch of lemonade used 1/4 cups of sugar added to 1 cup of water and 1/4 cup of lemon juice. After confirming it tasted good, a larger batch is going to be made with the same ratios using 10 cups of water. How much sugar should be added so that the large batch tastes the same as the test batch?

Answers

Answer:2 and a half cups of sugar

Step-by-step explanation:

1/4*10

2/1 cups

Just divide

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Find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4

A student gets 17 out of 20 questions correct on a test. What percent of the questions did the student get correct?

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