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Neko [114]
3 years ago
7

Abigail heard on the weather report that there is a 40% chance that it will rain tomorrow and a 50% chance that it will be cloud

y. Which of these experiments can Abigail design in order to determine what the weather will be like tomorrow?
Random numbers from 0-10 with 0, 1, 2, and 3 being rain and 4, 5, 6, 7, and 8 being cloudy.

Random numbers from 0-10 with 0, 1, 2, and 3 being cloudy and 4, 5, 6, 7, and 8 being rain.

Random numbers from 0-9 with 0, 1, 2, and 3 being rain and 4, 5, 6, 7, and 8 being cloudy.

Random numbers from 0-9 with 0, 1, 2, and 3 being cloudy and 4, 5, 6, 7, and 8 being rain.
Mathematics
1 answer:
ivann1987 [24]3 years ago
7 0
Random numbers from 0-9 with 0, 1, 2, and 3 being rain and 4, 5, 6, 7, and 8 being cloudy.

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Solve the equation for x, where x is a real number (5 points): <br> -2x^2 + 6x + 4 = 5
olasank [31]
Subtract 5 to both sides so that the equation becomes -2x^2 + 6x - 1 = 0.
To find the solutions to this equation, we can apply the quadratic formula. This quadratic formula solves equations of the form ax^2 + bx + c = 0
                                            x = [ -b ± √(b^2 - 4ac) ] / (2a)
                                            x = [ -6 ± √((6)^2 - 4(-2)(-1)) ] / ( 2(-2) )
                                            x = [-6 ± √(36 - (8) ) ] / ( -4 )
                                            x = [-6 ± √(28) ] / (-4)
                                            x = [-6 ± 2*sqrt(7) ] / (-4 )
                                            x =3/2 ± -sqrt(7)/ 2
The answers are 3/2 + sqrt(7)/2 and 3/2 - sqrt(7)/2.
6 0
2 years ago
Which equation is equivalent to 2x + 6y = 12?
mixer [17]

Answer:

Option C, y = -1/3x + 2

Step-by-step explanation:

2x + 6y = 12

<u>Step 1:  Solve for y</u>

2x + 6y - 2x = 12 - 2x

6y / 6 = (12 - 2x) / 6

y = 2 - 1/3x

Answer:  Option C, y = -1/3x + 2

6 0
3 years ago
Read 2 more answers
The fifth-grade teachers are planning a field trip. There are 138 fifth-
MrMuchimi

Answer:

6 buses

Step-by-step explanation:

138 students / 23 students per bus = 6 buses

5 0
2 years ago
Read 2 more answers
+23+-26 RESPUESTA PORFIS
den301095 [7]

Answer:

-3

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
PLZ HELP ASAP AREA OF A SECTOR
const2013 [10]
The fraction of a circle represented by the shaded region is:
 S '/ S = ((8/5) * pi * r) / (2 * pi * r)
 Rewriting we have:
 S '/ S = ((8/5)) / (2)
 S '/ S = 8/10
 S '/ S = 4/5
 Then, we can make the following rule of three:
 (64/5) pi -------> 4/5
 x ----------------> 1
 Clearing x we have:
 x = ((1) / (4/5)) * ((64/5) pi)
 Rewriting:
 x = (5/4) * ((64/5) pi)
 x = (5/4) * ((64/5) pi)
 x = 50.24
 Answer:
 
The area of the complete circle is:
 
x = 50.24
4 0
3 years ago
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