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Westkost [7]
3 years ago
12

2. Does the point (2, 3) lie on the graph of y = 3x - 4 ? Explain. (2 points)

Mathematics
1 answer:
finlep [7]3 years ago
7 0

Answer:

Step-by-step explanation:

because :

when : x = 2        y = 3(2)-4 =6-4 =2   non 3

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An electric sale gives a reading equal to the true weight plus a random error that isnormally distributed with mean 0 and standa
Pepsi [2]

Answer:

a) 95% confidence interval estimate of the true weight is (3.026, 3.274)

b) 99% confidence interval estimate of the true weight is (2.944, 3.356)

Step-by-step explanation:

Confidence Interval can be calculated using M±ME where

  • M is the mean of five successive weightings (3.150)
  • ME is the margin of error from the mean

And margin of error (ME) can be calculated using the formula

ME=\frac{t*s}{\sqrt{N} } where

  • t is the corresponding statistic in the given confidence level and degrees of freedom(t-score)
  • s is the standard deviation of the random error (0.1)
  • N is the sample size (5)

Using the numbers 95% confidence interval estimate of the true weight is:

3.150±\frac{2.776*0.1}{\sqrt{5} }≈3.150±0.124

And 99% confidence interval estimate of the true weight is:

3.150±\frac{4.604*0.1}{\sqrt{5} }≈3.150±0.206

3 0
3 years ago
Help needed bad at math
ANTONII [103]

first and second part put 0.75, then multiply 0.75 by 2 to get 1.50, then write in the third part 1 and 1/2

hope this helps

6 0
2 years ago
7x - 3y + 12z This is algebra and I’m really bad at it
aalyn [17]
Wait, this is simplified because there are no common terms.
3 0
3 years ago
The eatery restaurant has 200 tables. On a recent evening, there were reservations for 1/10 of the tables. How many tables were
joja [24]
<span>There were 20 tables reserved. 1/10 is equivalent to 10%. To find 10%, divide the total number of tables by 10. 200/10 = 20.</span>
8 0
3 years ago
PLS HELP MEEEEE I HAVW TO SUBMIT THIS SOON
umka21 [38]

Answer:

(100×m) + d

where m is the month number of your birthday

and d is the day number of your birthday

Step-by-step explanation:

[(((m × 4) + 14) × 25) - 230] + d - 120

》[((4m + 14) × 25) - 230] + d - 120

》100m + 350 - 230 -120 + d

》100m + d

6 0
2 years ago
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