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3 years ago

The set of letters in the word "book"

Mathematics

2 answers:

grandymaker [24]3 years ago

8 0

Answer:

Below.

Step-by-step explanation:

That is {b, o, k}.

Elements of a set are not repeated.

Helga [31]3 years ago

6 0

Answer:

set of letters of word BOOK is

$\{ B,O,K\}$

mark brainliest please

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All the sides of a hexagon become three times the original length. find the ratio of areas of the new and old hexagons.

Anastaziya [24]

To determine the ratio, we need to know the formula of the area of an hexagon in terms of the length of its sides. We cannot directly conclude that the ratio would be 3, the same as that of the ratio of the lengths of the side, since it may be that the relationship of the area and length is not equal. The area of a hexagon is calculated by the expression:

A = (3√3/2) a^2

So, we let a1 be the length of the original hexagon and a2 be the length of the new hexagon.

A2/A1 = (3√3/2) a2^2 / (3√3/2) a1^2
A2/A1 = (a2 / a1)^2 = 3^2 = 9

Therefore, the ratio of the areas of the new and old hexagon would be 9.

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3 years ago

S = 2πrh + 2πr2 slove for h

Alenkasestr [34]

Answer:

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Step-by-step explanation:

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3 years ago

Y=-1/4x-5 and 2x+8y=56 determine if paralllel ,nethier or perpendicular

Dominik [7]

Answer:

Parallel

Step-by-step explanation:

In the slope-intercept form (y=mx +c), the coefficient of x tells us the slope of the line.

2x +8y= 56

Let's rewrite this equation into the slope-intercept form.

8y= -2x +56

Dividing both sides by 8:

$y= - \frac{2}{8} x + \frac{56}{8}$

$y = - \frac{1}{4} x + 7$

Slope= -¼

y= -¼x -5

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2 years ago

Mrs. Perez has 28 students and 5 7 of those students participate in school sports. How many of Mrs. Perez's students participate

evablogger [386]

Answer: 20 students participate in school sports.

Step-by-step explanation:

Since, Mrs. Perez has 28 students.

And, According to the question, 5 /7 of those students participate in school sports.

Therefore, the students participate in school sports = 5/7 of the total number of the students

= $5/7 \times 28$

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3 years ago

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Problem 5 Answer Choices (SELECT ALL THAT APPLY)

Vinvika [58]

Answer:

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The set of letters in the word "book"​

The set of letters in the word "book"