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slava [35]
3 years ago
15

What is the answer 3 3/4 - 2 5/6=​

Mathematics
2 answers:
Rom4ik [11]3 years ago
7 0

Answer:

11/12

Step-by-step explanation:

3 3/4 - 2 5/6

Convert to improper fractions

15/4 - 17/6

Find a common denominator (12)

45/12 - 34/12

Subtract

11/12

Hope this helps :)

wolverine [178]3 years ago
6 0

Answer:

11/12

Make the fractions to improper fractions. Find the common denominator, which is 12. Then find equivalent fractions and subtract.

15/4 - 17/6

Common Denominator: 12

15/4 = x/12     ;        17/6 = y/12

x = 45

y = 34

45/12 - 34/12 = 11/12

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A regular heptagon has a side length of 13.9 and an apothem of 14.4. Find the area of the regular heptagon.
aev [14]

Answer: 700.56

Step-by-step explanation:

A heptagon has 7 sides, therfore a regular heptagon will have 7 equal sides

n = 7 (number of sides)

s = 13.9 (length of each sides of the heptagon)

r = 14.4 (The apothem)

The area of the regular heptagon can be calculated by:

Area = ½ n × s × r

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8 0
3 years ago
Solve using substitution.<br><br> x = –2<br> 5x + 3y = 14
Nookie1986 [14]

Answer:  (-2, 8)

Explanation:

Plug x = -2 into the second equation. Isolate y.

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y = 24/3

y = 8

We have x = -2 lead to y = 8.

Therefore, the ordered pair (x,y) = (-2,8) is the solution to this system.

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Answer:

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Step-by-step explanation:

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