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kkurt [141]
2 years ago
11

A set of average city temperatures in October are normally distributed with a mean of

Mathematics
2 answers:
zubka84 [21]2 years ago
4 0
I have concluded the answer is a
ValentinkaMS [17]2 years ago
3 0

Answer:

0.4032

Step-by-step explanation:

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He ran 17.76 laps more
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5 + 17х + 9 = 2х 21x 14
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Answer:

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Is the number 1.13 greater than, less than or equal to 1
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Simplify and solve for x. ​ ​ 5(x+20)= 7x+30
hodyreva [135]

Answer:

x = 35

Step-by-step explanation:

Solve for x:

5 (x + 20) = 7 x + 30

Expand out terms of the left hand side:

5 x + 100 = 7 x + 30

Subtract 7 x from both sides:

(5 x - 7 x) + 100 = (7 x - 7 x) + 30

5 x - 7 x = -2 x:

-2 x + 100 = (7 x - 7 x) + 30

7 x - 7 x = 0:

100 - 2 x = 30

Subtract 100 from both sides:

(100 - 100) - 2 x = 30 - 100

100 - 100 = 0:

-2 x = 30 - 100

30 - 100 = -70:

-2 x = -70

Divide both sides of -2 x = -70 by -2:

(-2 x)/(-2) = (-70)/(-2)

(-2)/(-2) = 1:

x = (-70)/(-2)

The gcd of -70 and -2 is -2, so (-70)/(-2) = (-2×35)/(-2×1) = (-2)/(-2)×35 = 35:

Answer: x = 35

6 0
3 years ago
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a regular polygon has a perimeter of 36 inches. each side is exactly 6 inches long. which figure does this discribe?
fgiga [73]
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3 years ago
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