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Law Incorporation [45]
3 years ago
7

I need help in confused

Mathematics
1 answer:
bixtya [17]3 years ago
8 0
8 divided by 12 is about  .67
the degrres fell .67 in 1 hr
You might be interested in
The employees of a firm that manufactures insulation are being tested for indications of asbestos in their lungs. The firm is re
diamong [38]

Answer:

0.070

Step-by-step explanation:

Y = number on trial

Y has a negative binomial distribution

r = 3

P = 30% = 0.3 probability of positive indication.

P(Y = 11) probability of 11 employees that must be tested to get 3 positives

Y-1Cr-1*p^r*q^(y-r)

Y-1 = 11-1 = 10

r-1 = 3 -1 = 2

10C2 x 0.3³x0.7⁸

45x0.027x0.05764801

= 0.070

This is the probability that 11 employees must be tested to get 3 positives.

8 0
3 years ago
You mid morning break begins at 9:45 am and lasts for 10 minutes. you work for 2 hours and 10 minutes until your lunch break. wh
TiliK225 [7]
9:45 + 10 = 9:55
9:55 + 2:00= 11:55 This is what I got
8 0
3 years ago
Which expressions are equivalent to 3(6+b)-(2b + 1)?
Anna [14]

Answer:

18+3b-2b-1

b+17

Step-by-step explanation:

\mathrm{Using\:the\:distributive\:law}:\quad \:-\left(a+b\right)=-a-b

-\left(2b+1\right)=-2b-1

=3\left(6+b\right)-2b-1

=18+3b-2b-1

\mathrm{Group\:like\:terms}

=3b-2b+18-1

\mathrm{Subtract\:the\:numbers:}\:18-1=17

=3b-2b+17

\mathrm{Add\:similar\:terms:}\:3b-2b=b

=b+17

[RevyBreeze]

7 0
2 years ago
Solve the equation x2 = 80.
mixer [17]

Answer:

x^2 = 80

x = √80

x = 8.9

........

5 0
3 years ago
Type your answer in the box. <br><br> y = 10 b = 6
blondinia [14]

Answer:

The answer is -60 (I believe)

Step-by-step explanation:

3(-10)-5(6)

-30-30 = -30+-30

-30+-30= -60

The answer is -60

6 0
2 years ago
Read 2 more answers
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