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Neko [114]
2 years ago
15

ILL GIVE BRAINLIEST ! Need help with algebra. random answers get reported.

Mathematics
2 answers:
Alex_Xolod [135]2 years ago
8 0

Answer:

1.2.4

2. -8

3. -5-3

4.10+12+14

5.-10-3

6. 2+2=4

7.5+3=8

crimeas [40]2 years ago
5 0
1)2.4

2).8

3) -5-3

4)10+12+14

5)-10-3
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Quadrant 2 is its location.
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2+2x6- 8 (6x4) - 3 + 8 x 15
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A peculiar six-sided die has uneven faces. In particular, the faces showing 1 or 6 are 1 × 1.5 inches, the faces showing 2 or 5
sveta [45]

Answer:

0.2216

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The probability of a particular face coming up is proportional to its area.

Hence, we first calculate the areas.

For 1 or 6, area = 1 × 1.5 = 1.5 in²

For 2 or 5, area = 1 × 0.4 = 0.4 in²

For 3 or 4, area = 0.4 × 1.5 = 0.6 in²

Total surface area of the die = 2(1.5) + 2(0.4) + 2(0.6) = 5 in²

Since probability is proportional to area of a particular face, we calculate the probabilities from the ratio of each surface area to the total surface area.

Probability of a 1 showing up = 1.5/5 = 0.30

Probability of a 2 showing up = 0.4/5 = 0.08

Probability of a 3 showing up = 0.6/5 = 0.12

Probability of a 4 showing up = 0.6/5 = 0.12

Probability of a 5 showing up = 0.4/5 = 0.08

Probability of a 6 showing up = 1.5/5 = 0.30

Probability of doubles with the die is a sum of the probabilities of all the possible doubles with the die.

Probability of a 1 double = 0.3 × 0.3 = 0.09

Probability of a 2 double = 0.08 × 0.08 = 0.0064

Probability of a 3 double = 0.12 × 0.12 = 0.0144

Probability of a 4 double = 0.12 × 0.12 = 0.0144

Probability of a 5 double = 0.08 × 0.08 = 0.0064

Probability of a 6 double = 0.3 × 0.3 = 0.09

Probability of a double with the die = (0.09 + 0.0064 + 0.0144 + 0.0144 + 0.0064 + 0.09) = 0.2216

4 0
3 years ago
Dave builds sheds. The widths of the doorways for the sheds vary with the area of the shed. One of Dave's sheds has an area of 2
Dovator [93]

Answer:

The widths of the shed doorways follow the pattern of multiplying by two. For example, 2 x 2 = 4.

Step-by-step explanation:

24 x 2 = 48

2 x 2 = 4

The sheds double in width and area.

7 0
2 years ago
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