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butalik [34]
3 years ago
12

PLZ HELP!!!! WILL MARK BRAINLYIST!!!!

Mathematics
1 answer:
pychu [463]3 years ago
3 0

Answer:

* 5+2k+n

Step-by-step explanation:

Combine all like terms:

7-2 = 5

5k-3k = 2k

n = n

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On a rectangular coordinate plane, a circle centered at (0, 0) is inscribed within a square with adjacent vertices at (0, -2√) a
Pani-rosa [81]

Answer:

  0.9 square units

Step-by-step explanation:

We assume you intend the vertices of the square to be (±√2, 0) and (0, ±√2). Then the diagonals of the square are 2√2 in length and its area is ...

  (1/2)(2√2)² = 4

The radius of the inscribed circle is 1, so its area is ...

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and the area outside the circle, but inside the square is the difference of these areas:

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7 0
3 years ago
7th grade math help me plzzzzz
Lady bird [3.3K]

Answer:

94

Step-by-step explanation:

5 0
3 years ago
last year a school raised $19,950 by selling $15 tickets to a carnival fundraiser. this year the school will raise $20 per ticke
AURORKA [14]

Answer:

$26,600

Step-by-step explanation:

$19,950 / $15 = 1330 tickets

1330 x $20 = 26,600

7 0
3 years ago
A display of cans in a grocery store consists of 15 rows. There are 45 cans on the bottom , 42 cans on the next row, and so on,
Alchen [17]

Answer:

n = 9

Step-by-step explanation:

20 + 18 + ... + 6 + 4

---------------------------

a = 20 ; d = -2 ; n = ?

--------

4 = 20 + (n-1)(-2)

-16 = (n-1)(-2)

---------

n-1 = 8

n = 9

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S(9) = (9/2)(20+4)

S(9) = 4.5*24

S(9) = 108

8 0
3 years ago
Charles is doing renovations on his house. He has budgeted 25% of the cost for new
Rama09 [41]

Answer:

$14,400

<em>Brainliest, please!</em>

<em />

Step-by-step explanation:

25% is furniture, and furniture costs $3600.

So, 3600 x 4 is the total cost, which equals 14400

8 0
2 years ago
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