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4 years ago

PLEASE HELP ME WITH THIS MATH PROBLEM

Mathematics

1 answer:

Viefleur [7K]4 years ago

5 0

Answer:

22π

Step-by-step explanation:

The area formula for a sector is

$A=\frac{\theta }{360}*\pi r^2$

The angle theta is to be the angle that is a part of the sector for which we are trying to find the area. If we are looking for the area of the larger sector, we are not using 140 as our angle theta, we are using 360 - 140 = 220 as our angle theta since that is the angle for the larger of the 2 sectors. Filling in our formula using r = 6:

$A=\frac{220}{360}*36\pi$

The easiest way to handle this math is to multiply the 220 by the 36, hit enter on your calculator, then divide that product by 360. When you do that your answer, in terms of pi, is 22π

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3 years ago

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Step-by-step explanation:

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2 years ago

((3^3 - 7) • 5)/10 + ((1+3+6+9)-10)

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Answer:

Step-by-step explanation:

(33−7)(5)/10+1+3+6+9−10

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3 years ago

Like bought 15 boos six books each cost $7 four of the books each cost $5 the rest of the books each cost $3 how many do all the

Gekata [30.6K]

Answer:

The total combined cost of 15 books is $77.

Step-by-step explanation:

Here, the total number of books purchased = 15

The cost of books = $7 for 6 books

So, the cost of six books = 6 x ( cost of 1 book) = 6 x ($7) = $42

⇒Out of 15 books, the cost of 6 books = $42 .... (1)

The cost of books = $5 for 4 books

So, the cost offour books = 4 x ( cost of 1 book) = 4 x ($5) = $20

⇒Out of 15 books, the cost of 4 books = $20 .... (2)

Now, the left books are at cost $3 each book.

The number of left books = 15 - ( 6+4) = 15 - 10 = 5

So, the cost of books = $3 for 5 books

So, the cost of five books = 5 x ( cost of 1 book) = 5 x ($3) = $15

⇒Out of 15 books, the cost of 5 books = $15 .... (3)

Now, to get the total price of 15 books add (1) + (2) + (3), we get:

$42 + $20 + $15 = $77

Hence, the total combined cost of 15 books is $77.

8 0

3 years ago

Find the equation of a line that contains the points (−2,2) and (−6,−5). Write the equation in slope-intercept form, using fract

mamaluj [8]

Answer:

y = (4/7)X + 22/7

Step-by-step explanation:

Moving from (-2, 2) to (-6, -5), we see that x (the "run") decreases by 4 and y (the "rise") decreases by 7 (from 2 to -5). Thus, the slope is m = rise / run =

-4/(- 7) = 4/7. The slope intercept form y = mx + b takes on the specific values 4/7 for m, 2 for y and -2 for x:

2 = 4/7(-2) + b, or 14 = -8 + 7b. Thus, 22 = 7b, and b = 22/7.

The desired equation is y = (4/7)X + 22/7.

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3 years ago

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