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zheka24 [161]
3 years ago
11

What is the solution to y=3x-1 ?

Mathematics
2 answers:
Iteru [2.4K]3 years ago
8 0

I'm ASSUMING that we're talking about Three Ordered Ordered Pair Solutions.

If so, the answer is (0,−1),(1,2),(2,5).


erik [133]3 years ago
6 0

(x,y)\in\{(a,b):a\in\mathbb{R}\wedge b=3a-1\}

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226.19 divided by 2/3
Tanzania [10]
226.19 / 2/3 =
226.19 x 3/2 =
226.19 x 1.5 =
339.285

339.285 is your answer.
5 0
3 years ago
A true/false test has 40 questions. Suppose a passing grade is 30 or more correct answers. Test the claim that a student knows m
Angelina_Jolie [31]

Answer:

z≈3.16

p≈0.001

we reject the null hypothesis and conclude that the student knows more than half of the answers and is not just guessing in 0.05 significance level.

Step-by-step explanation:

As a result of step 2, we can assume normal distribution for the null hypothesis

<em>step 3:</em>

z statistic is computed as follows:

z=\frac{X-M}{\frac{\sqrt{p*(1-p)} }{\sqrt{N} } } where

  • X is the proportion of correct answers in the test (\frac{30}{40})
  • M is the expected proportion of correct answers according to the null hypothesis (0.5)
  • p is the probability of correct answer (0.5)
  • N is the total number of questions in the test (40)

z=\frac{0.75-0.50}{\frac{\sqrt{0.5*(0.5)} }{\sqrt{40} } } ≈ 3.16

And corresponding p value for the z-statistic is p≈0.001.

Since p<0.05, we reject the null hypothesis and conclude that the student knows more than half of the answers and is not just guessing in 0.05 significance level.

7 0
3 years ago
: Santiago realizó los siguientes movimientos en su Cuenta bancaria: el lunes consignó $300.000, el martes retiró $120.000, el m
butalik [34]

Answer:

Step-by-step explanation:

Los movimientos bancarios de Santiago se representan matemáticamente teniendo en cuenta que consignar es sumar y retirar el restar. Por lo tanto podes expresar los movimientos bancarios de la siguiente manera:

  • Lunes → + 300.000
  • Martes → -120.000
  • Miércoles → -95.000
  • Jueves → +80.000

Al realizar la sumatoria se obtiene:

 +300.000 - 120.000 - 95.000 + 80.000 = + 165.000

En la semana Santiago obtiene en su cuenta bancaria $165.000

8 0
2 years ago
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 1083 and x=550 who said
Zigmanuir [339]

Step-by-step explanation:

p = x / n

p = 550 / 1083

p = 0.5078

5 0
3 years ago
Alan takes 12 minutes to jog 1 kilometer. How many seconds does Alan take to jog 1 kilometer?
Brilliant_brown [7]
720 because  60 multiplied by 12 = 720 hope i helped
8 0
3 years ago
Read 3 more answers
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