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alex41 [277]
2 years ago
8

Is the relation a function why or why not???

Mathematics
1 answer:
Alexeev081 [22]2 years ago
8 0

Answer:

No, it is not a function. The x repeats.

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What is the surface area of the square pyramid represented by the net? Enter your answer in the box. m²
Alborosie

Answer:

1.75 meters² or 175 centimeters²

Step-by-step explanation:

Step 1: Find Area of the Base.

  • Base is a square with dimensions of 7cm by 7cm
  • 7*7
  • 49 cm²

Step 2: Find the Area of the Triangles.

  • Each triangle has a base of 7cm and a height of 9cm.
  • 7 x 9 = 63, and 63/2 = 31.5
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Step 3: Add the areas together.

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Thus, the surface area is 1.75 m^2 or 175 cm^2.

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2 years ago
I need help with this !!
Leona [35]
Mean: 14.5
median:15.5
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3 years ago
Solve the equation 1/x + 1/3x =4
vova2212 [387]

Answer:

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Step-by-step explanation:

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3 years ago
For 300 trading​ days, the daily closing price of a stock​ (in $) is well modeled by a Normal model with mean ​$196.99 and stand
KATRIN_1 [288]

Answer:

a) 2.5% b) 84% c) 95% d) D. The more unusual day is if the stock closed below $185 because it has the largest absolute z-score.

Step-by-step explanation:

For a) b) and c) we will use the empirical rule, so, we can observe the image shown below

a) 211.23 is exactly two standard deviation above the mean, so, the probability that on a randomly selected day in this period the stock price closed above 211.23 is 2.35% + 0.15% = 2.5%  

b) 204.11 represents exactly one standard deviation above the mean, so, the probability of being below 204.11 is 50% + 34% = 84%

c) The probability of getting a value between 182.75 and 211.23 is 95%, this because 182.75 is exactly two standard deviations below the mean and 211.23 is exactly two standard deviations above the mean.

d) The z-score related to 208 is z_{1} = (208-196.99)/7.12 = 1.5 and the z-score related to 185 is  z_{2} = (185-196.99)/7.12 = -1.7, therefore, the more unusual day is if the stock closed below $185 because it has the largest absolute z-score.

5 0
3 years ago
I will be forever in your debt, ( and a brainiest) if you help me
gogolik [260]

Answer:

Step-by-step explanation:

12P3 = 12! / (12-3)!

= 12*11*10

= 1320.

8C7 = 8!/7! *(8-7)!

= 8.

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2 years ago
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