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MatroZZZ [7]
3 years ago
8

Choose the best description of the relationship between the data in the scatter plot.

Mathematics
2 answers:
Ulleksa [173]3 years ago
7 0
The answer to your question is D
Naily [24]3 years ago
4 0
I’m pretty sure it’s “D”
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HELPPPP THIS IS 7TH GRADE MATH AND IM CONFUSEDDDD
irga5000 [103]

Answer:

n-p for the first, p-n for the second

Step-by-step explanation:

6 0
2 years ago
Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is 13.4 years with a s
Aliun [14]

Answer : 0.0129

Step-by-step explanation:

Given : Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is \mu=13.4 years and standard deviation is \sigma=1.7 years.

Sample size : n=40

Let X be the random variable that represents the age of fleets.

We assume that the ages of the fleets of the 10 largest U.S. commercial passenger carriers are normally distributed.

For z-score,

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x=14

z=\dfrac{14-13.4}{\dfrac{1.7}{\sqrt{40}}}\approx2.23

By using the standard normal distribution table , the probability that the average age of these 40 airplanes is at least 14 years old will be :-

P(x\geq 14)=P(z\geq2.23)\\\\=1-P(z

Hence, the required probability = 0.0129

6 0
3 years ago
5sin²α+3cos²α / 3sin²α-5cos²α = <br> if tgα=√2
fiasKO [112]
Tgα = tan(α) = sqrt(2)/1 = opposite/ adjacent
opposite = sqrt(2)
adjacent = 1
hypotenuse = sqrt(opposite^2 + adjacent^2)
= sqrt(sqrt(2)^2 + 1^2) = sqrt(3)

sin(α) = opposite/hypotenuse
= sqrt(2)/sqrt(3)

cos(α) = adjacent/hypotenuse
= 1/sqrt(3)

now we can calculate the value of
5sin²α+3cos²α / 3sin²α-5cos²α
... do the math
8 0
3 years ago
Solve the following inequality for dd. Write your answer in simplest form. −7d−3&gt;2d-10
LUCKY_DIMON [66]

Answer:

  d < 7/9

Step-by-step explanation:

Add 7d +10

  7 > 9d

Divide by 9

  7/9 > d

3 0
3 years ago
Each patron pays an annual fee of $36 to the library. If the library collects $20,304 from the annual fee, how many patrons are
choli [55]

Answer:

564 patrons.

Step-by-step explanation:

20,304/36 = 564

5 0
2 years ago
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