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velikii [3]
3 years ago
8

The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents data

with the greatest range of scores?

Mathematics
1 answer:
bixtya [17]3 years ago
7 0

Answer:

The answer is B.

Step-by-step explanation:

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asambeis [7]

Answer:

perimeter is 34

area is 72

Step-by-step explanation:

side lengths are 8,8,9,9

add all 4 up to get perimeter of 34

area is 9x8 which is 72

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OLEGan [10]

Answer:

-1/2

Step-by-step explanation:

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When you are rounding to the nearest tenth, you only look at the number right to the tenths which in this case is 5, so you round up the 6 to a 7, which will be. 

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2 years ago
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Digiron [165]

Answer: 1211.6585 years

<u>Step-by-step explanation:</u>

The equation for exponential growth is: P=P_oe^{kt}

  • P: final population
  • P₀: initial population
  • k: rate of decay (or growth)
  • t: time

Use the half life information to find k:

\dfrac{1}{2}P_o=P_oe^{k(800)}\\\\\\\dfrac{1}{2}=e^{800k}\qquad \rightarrow \qquad \text{divided both sides by}\ P_o\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=800k\qquad \rightarrow \qquad \text{applied ln to both sides}\\\\\\\dfrac{ln(\frac{1}{2})}{800}=k\qquad \rightarrow \qquad \text{divided both sides by 800}\\\\\\\large\boxed{-0.000867=k}

Next, input the information (65% decayed = 35% remaining) and the k-value to find your answer.

.35P_o=P_oe^{-0.000867t}\\\\\\.35=e^{-0.000867t}\\\\\\ln(.35)=-0.000867t\\\\\\\dfrac{ln(.35)}{-0.000867}=t\\\\\\\large\boxed{1211.6585=t}

5 0
3 years ago
Which expression represents the total cost
SSSSS [86.1K]

<em>Answer:</em>

<em>The answer is 18k + 22p - 10</em>

<em>Step-by-step explanation:</em>

<em>That is the right answer </em>

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