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Nadya [2.5K]
2 years ago
9

there are 36 green, 22 white,30 purple, and 14 blue gumballs in the gumball machine. what is the probability of getting a white

gumball
Mathematics
1 answer:
soldier1979 [14.2K]2 years ago
4 0
Total = 102
probability of getting a white gumball
= 22/102


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A company has 8 mechanics and 6 electricians. If an employee is selected at random, what is the probability that they are an ele
Andre45 [30]

Answer:

Probability = \frac{3}{7}

Step-by-step explanation:

Given

Electrician = 6

Mechanic = 8

Required

Determine the probability of selecting an electrician

First, we need the total number of employees;

Total = n(Electrician) + n(Mechanic)

Total = 6 + 8

Total = 14

Next, is to determine the required probability using the following formula;

Probability = \frac{n(Electrician)}{Total}

Probability = \frac{6}{14}

Divide numerator and denominator by 2

Probability = \frac{3}{7}

<em>Hence, the probability of selecting an electrician is 3/7</em>

4 0
3 years ago
Please help me on this!!​
almond37 [142]

Answer:

TW = ST

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RT = RT (reflexive property)

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Math Homework Number 49
navik [9.2K]
[((2 / 75.5) - 3) * 2]3 (make 3 an exponent.)
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What is the exact value of cos (67.5° )?
Brilliant_brown [7]

Answer:

0.38268343

Step-by-step explanation:

cos( 67.5 )

Rewrite  

67.5

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Apply the cosine half-angle identity.

±

√

1

+

cos

(

135

)

2

 

Change the  

±

to  

+

because cosine is positive in the first quadrant.

√

1

+

cos

(

135

)

2

Simplify  

√

1

+

cos

(

135

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2

√

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−

√

2

2

The result can be shown in multiple forms.

Exact Form:

√

2

−

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2

2

Decimal Form:

0.38268343

…

6 0
4 years ago
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