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aev [14]
3 years ago
7

Which number line shows the solution to the inequality? y - 2 < -5

Mathematics
2 answers:
xxMikexx [17]3 years ago
6 0

Answer: is the first option .

Step-by-step explanation:

Tatiana [17]3 years ago
5 0
For this case we have the following inequality:
 y - 2 \ \textless \ -5&#10;
 We will solve the inequality algebraically.
 We have then:
 We add 2 to both sides of the inequality:
 y - 2 + 2 \ \textless \ -5 + 2&#10;
 Rewriting we have:
 y \ \textless \ - 3&#10;
 Therefore the solution is:
 (-inf, -3)
 Answer: 
 (-inf, -3)
 See attached image.

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15. True or False? In a recession or a depression, inflation will likely decrease.
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a

Step-by-step explanation:

in a depression inflation is most likely to decrease

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A theater received $8,917 in ticket sales for one performance of a play. Tickets for preferred seats cost $45 each and regular s
Sever21 [200]
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(8 x 3) + (8 x 2) = 8 x (blank + blank)
kakasveta [241]

Step-by-step explanation:

(8 x 3) + (8 x 2) = 8 x (3 + 2)

24 + 16 = 8 * 5

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8 0
3 years ago
Simplify
Alika [10]

Simplify  6 – 4x – 2 + x

Combine like terms:

6 - 2 = 4

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-3x + 4, or (A) is your answer

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Combine like terms:

5 - 3 = 2

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4 0
3 years ago
Read 2 more answers
The Resource Conservation and Recovery Act mandates the tracking and disposal of hazardous waste produced at U.S. facilities. Pr
aniked [119]

Answer:

(a) E(X) =  0.383

The expected number in the sample that treats hazardous waste on-site is 0.383.

(b) P(x = 4) = 0.000169

There is a 0.000169 probability that 4 of the 10 selected facilities treat hazardous waste on-site.

Step-by-step explanation:

Professional Geographer (Feb. 2000) reported the hazardous waste generation and disposal characteristics of 209 facilities.

N = 209

Only eight of these facilities treated hazardous waste on-site.

r = 8

a. In a random sample of 10 of the 209 facilities, what is the expected number in the sample that treats hazardous waste on-site?

n = 10

The expected number in the sample that treats hazardous waste on-site is given by

$ E(X) =  \frac{n \times r}{N} $

$ E(X) =  \frac{10 \times 8}{209} $

$ E(X) =  \frac{80}{209} $

E(X) =  0.383

Therefore, the expected number in the sample that treats hazardous waste on-site is 0.383.

b. Find the probability that 4 of the 10 selected facilities treat hazardous waste on-site

The probability is given by

$ P(x = 4) =  \frac{\binom{r}{x} \binom{N - r}{n - x}}{\binom{N}{n}} $

For the given case, we have

N = 209

n = 10

r = 8

x = 4

$ P(x = 4) =  \frac{\binom{8}{4} \binom{209 - 8}{10 - 4}}{\binom{209}{10}} $

$ P(x = 4) =  \frac{\binom{8}{4} \binom{201}{6}}{\binom{209}{10}} $

$ P(x = 4) =  \frac{70 \times 84944276340}{35216131179263320}

P(x = 4) = 0.000169

Therefore, there is a 0.000169 probability that 4 of the 10 selected facilities treat hazardous waste on-site.

8 0
3 years ago
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