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ANEK [815]
3 years ago
13

10 pennies are flipped and arranged in a row. How many arrangements of the heads and tails are possible?

Mathematics
1 answer:
DaniilM [7]3 years ago
6 0

Answer:

1000 possible arrangements

Step-by-step explanation:

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The length of a rectangular poster is 2 more inches than three times its width. The area of the poster is 33 square inches. Solv
laiz [17]

Answer:

Step-by-step explanation:

Area of the rectangle = 33 inches sq

Area of a rectangle (formula) = l*b

let the width be x

length = 2 inches + 3x = 2+3x

Area of the rectangle = l*b = 2+3x + x

33 inches sq = 2+3x + x

33 in sq = 2+4x

33/2 = 4x

16.5/4 = x

x = 4.125

width= <u>4.125 inches</u>

length = 2+3x = 2+3(4.125) = <u>14.375</u>

<u></u>

(unless your poster is 32 sq inches and you made a mistake, just replace 33 with 32 and solve it)

7 0
2 years ago
Solve for f.<br><br> 8 = 2f + 2
tiny-mole [99]

Answer:

f = 3

Step-by-step explanation:

8 = 2f + 2

-2         -2

6 = 2f

/2    /2

3 = f

5 0
3 years ago
A cell phone company sold 4,000 cell phones in the month of November. In December, the company held its annual sale and sold 22%
ZanzabumX [31]
I think C... I'm guessing cause my math is wrong
4 0
4 years ago
If a is an integer, prove that (14a + 3, 21a + 4) = 1.
Firdavs [7]

Answer:

(14a+3, 21+4) = 1

Step-by-step explanation:

We are going to use the Euclidean Algorithm to prove that these two integers have a gcd of 1.

gcd (14a + 3, 21a + 4) = gcd (14a+3, 7a + 1) = gcd (1, 7a+1) = 1

Therefore,

(14a + 3, 21a + 4) = 1

8 0
3 years ago
on a map 2 inches equals 40 miles. if two cities are 15 miles apart what is the distinace between them on a map
alexandr402 [8]
On the map it’s 600 inches apart
4 0
2 years ago
Read 2 more answers
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