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Brilliant_brown [7]
3 years ago
5

STATS. How can we decide if an event that seems weird is actually unusual or fairly likely?

Mathematics
1 answer:
lukranit [14]3 years ago
7 0

Answer:

Try finding the theoretical probability of a sample space before calling the event in the sample space "weird"

Step-by-step explanation:

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Mr. Moss had 2 gallons of paint. He painted 3 doors. How many benches can he paint with the paint that is​ left? Show your work.
RUDIKE [14]

Answer:

uh depends on how much paint he used for the doors and how much paint he needs for the benches

Step-by-step explanation:

8 0
3 years ago
There are 8 ducks swimming in a pond. If 6 have green wings and 2 have blue wings, what fraction of the ducks have blue wings?
harina [27]

Total ducks = 8

blue winged ducks =2

fraction of ducks having blue wings =2/8 =1/4

8 0
3 years ago
Alright , help me out please <br> (10 points)
Ksju [112]

Answer:

the first one

the third one

the fourth one

Step-by-step explanation:

1. x <em>does</em> equal 9

2. the equation would lead to x being canceled out so there would be an x in your answer

3. x <em>does</em> equal 30

4. x <em>does</em> equal 6

5. x should equal 135

7 0
2 years ago
Find the slope of the line.<br> - 3x – 2y = 7
Troyanec [42]

Answer:

-1.5

Step-by-step explanation:

7 0
3 years ago
(3cosx-4sinx) + (3sinx+4cosx) = 5
Ksenya-84 [330]
(3 cos x-4 sin x)+(3sin x+4 cos x)=5
(3cos x+4cos x)+(-4sin x+3 sin x)=5
7 cos x-sin x=5
7cos x=5+sin x
(7 cos x)²=(5+sinx)²
49 cos²x=25+10 sinx+sin²x
49(1-sin²x)=25+10 sinx+sin²x
49-49sin²x=25+10sinx+sin²x
50 sin² x+10sinx-24=0

Sin x=[-10⁺₋√(100+4800)]/100=(-10⁺₋70)/100
We have two possible solutions:
sinx =(-10-70)/100=-0.8
x=sin⁻¹ (-0.8)=-53.13º      (360º-53.13º=306.87)

sinx=(-10+70)/100=0.6
x=sin⁻¹ 0.6=36.87º

The solutions when  0≤x≤360º are:  36.87º and 306.87º.


3 0
3 years ago
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