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lesya [120]
3 years ago
12

A detective determines that the number of robberies on a given day and the number of days since the start of the month can be mo

deled by a square root function. On the fourth day of the month, there were 4 robberies. On the ninth day of the month, there were 6 robberies. On the sixteenth day of the month, there were 8 robberies. Which points should be plotted to graph this function?
A. (2, 2) , (3, 3) , (4, 4)

B. (4, 4) , (9, 6) , (16, 8)

C. (4, 2) , (9, 3) , (16, 4)

D. (2, 4) , (3, 6) , (4, 8)
Mathematics
2 answers:
katrin2010 [14]3 years ago
6 0

Answer:

  • B. (4, 4) , (9, 6) , (16, 8)

Step-by-step explanation:

<u>Describes pairs are:</u>

  • (4, 4), (9, 6) and (16, 8)

This is matching the option B

Evgen [1.6K]3 years ago
3 0

Answer:

B. (4,4), (9,6), (4,4)

Step-by-step explanation:

:)

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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
What is the gcf of 18,54, and 72?
vlada-n [284]
18 because
18•1=18
18•3=54
18•4=72
6 0
3 years ago
A cell phone provider offers a plan that costs ​$40 per month plus ​$0.10 per text message sent or received. A comparable plan c
son4ous [18]

Answer:

200 messages

Step-by-step explanation:

Let m = number of messages.

Plan A: 0.1m + 40

Plan B: 60

0.1m + 40 = 60

0.1m = 20

m = 20/0.1

m = 200

Answer: 200 messages

6 0
2 years ago
Read 2 more answers
-1/3, -0.2, 5/3, 0.4, 1.3 order from least tot greatest
k0ka [10]
-1/3 = -0.3 repeating
-0.2
5/3 = 1.6 repeating
0.4
1.3

Ordered from least to greatest:
-1/3
-0.2
0.4
1.3
5/3

5 0
3 years ago
Read 2 more answers
If a = 7, what is the value of the expression 2(a + 8)?
raketka [301]

Answer:

30

Step-by-step explanation:

Substitute X with 7 since X=7 so 2(7+8). Follow order of operations and 7+8=15 and the multiply 15 by 2 to get your final answer 30.

3 0
4 years ago
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