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Anarel [89]
2 years ago
15

First try was incorrect

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
6 0

Answer:

48%

Step-by-step explanation:

P (not getting a speckled rock) = 12/18 = 2/3

P (not getting a green rock) = 13/18

2/3 * 13/18 = 26/54 = 13/27 ≈ 48%

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How do I do this my hwk id due tomoorw
nexus9112 [7]

The perimeter of the given circle is 25.1 square cm.

Step-by-step explanation:

  • From the given diagram, the radius of the given circle is 4 cm.
  • The perimeter of any given circle is calculated by multiplying 2π with the radius. The radius of this circle is 4 cm and it says π = 3.142
  • The Perimeter for the given circle = 2π × r = 2 × 3.142 × 4 cm = 6.284 × 4 cm = 25.136 cm.                                                       Rounding this off to one decimal 25.136 square cm, the perimeter equals 25.1 square cm.

6 0
3 years ago
Solve the following equation 3m^2=3-8m. Find both values
Len [333]

3m² = 3 - 8m
0 = 3m² + 8m - 3
0 = (3m - 1 )(m + 3)

m = -3, 0.33

7 0
3 years ago
Please help me in these pictures math.com
TiliK225 [7]
I thank its A if not I’m sorry
3 0
3 years ago
Read 2 more answers
The following proof shows an equivalent system of equations created from another system of equations. Fill in the missing reason
Dimas [21]

Answer:

Addition property of equality

Step-by-step explanation:

Given:

2x+2y=14 \ -x+y = 5

We need to find the missing reason in the proof.

Solution:

By solving the above equation we get;

2x+2y=14 \ -x+y = 5 ⇒ Given:

Now by adding both side by 'x' we get;

2x+2y=14 \ -x+y+x = 5+x

2x+2y=14 \ y = x+5  ⇒ Addition property of equality

Hence The missing reason in the proof was Addition Property of equality.

3 0
3 years ago
Help plz someone plz help me on both
Nat2105 [25]

Answer:

this is easy lol firs add 3+9 which will be 12 then 8+1 so its 9/12 and for the second one 12 +9 21 then 8+4 12/21

5 0
3 years ago
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