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VARVARA [1.3K]
3 years ago
12

HELP FAST PLEASE!!!!!!

Mathematics
1 answer:
Elodia [21]3 years ago
5 0
1. Not random. Because you are asking people if they like ICE CREAM in a         ICE CREAM shop. 
2. Not random. Because they are serving a small controlled group.
3. Not  random. Because you go shopping at Publix because you like it. 
4. Random. Because you don't choose who is home or not.
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x=±\sqrt{15/2}

Step-by-step explanation:

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3 years ago
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I need help with this please!!!
Natasha_Volkova [10]

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7 0
2 years ago
Point C. is the mid Point of
aivan3 [116]

SOLUTION

Given B is the midpoint of AC ABBC 1 and C is the midpoint of BD BCCD2 ie on adding 1 and 2 ART We get ABBCBCCD hence ABCD hence proved

7 0
1 year ago
What is 80%of 1,60<br>will mark brainliest​
cluponka [151]

Answer:

Step-by-step explanation:

Converte 80% into a decimal (devide it by 100) = 0.8

Then multiply 0.8 by 1.60 = 1.28 (final result)

4 0
3 years ago
The minute hand of a clock is 3 inches long. How far does the tip of the minute hand move in 40 minutes​?
Mkey [24]

Answer:

  4π in ≈ 12.57 in

Step-by-step explanation:

One full revolution (2π radians) is made in 60 minutes. In 40 minutes, the hand moves through an angle θ of (40/60)(2π) = 4π/3 radians. The length of the arc is ...

  s = rθ = (3 in)(4π/3) = 4π in ≈ 12.57 in

6 0
3 years ago
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