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noname [10]
2 years ago
12

How many 6s go into 143

Mathematics
2 answers:
Lilit [14]2 years ago
6 0
First of all 
let me do the math...
6/143
first it goes in 2 times
14-12=2 bring down the 3
6/23 3 times
23-8=15
since its going to be a decimal number i estimated that 23 6s go into 143
if im wrong im sorry :( i did this in my head
Maurinko [17]2 years ago
5 0
Well it would be 23.8 or 24
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Answer:

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Step-by-step explanation:

The general vertex form of the parabola  y = a(x - h)² + k

Where (h,k) is the coordinates of the vertex.

As shown at the graph the vertex of the parabola is the point (0, -5)

So,

y = a(x-0) + (-5)

y = ax^2 - 5

To find substitute with another point from the graph like (1,-4)

So, at x = 1 ⇒ y = -4

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<u>So, the equation of the given parabola is ⇒ y = x^2 - 5</u>

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3 years ago
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2 years ago
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IgorC [24]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the population mean.

As per given , we have

H_0:\mu \leq4\\\\ H_a: \mu >4

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Also, population standard deviation is given \sigma=1 , so we perform one-tailed z-test.

Test statistic : z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

, where \mu = Population mean

\sigma = Population standard deviation

n= sample size

\overline{x} = Sample mean

For n= 18 , \overline{x}=4.50 , \sigma=1 , \mu =4, we have

z=\dfrac{4.5-4}{\dfrac{1}{\sqrt{18}}}\approx2.12

P-value (for right tailed test): P(z>2.12) = 1-P(z≤ 2.12)  [∵ P(Z>z)=1-P(Z≤z)]\

=1- 0.0340=0.9660

Decision : Since P-value(0.9660) > Significance level (0.01), it means we are failed to reject the null hypothesis.

[We reject null hypothesis if p-value is larger than the significance level . ]

Conclusion : We do not have sufficient evidence to show that the goal is not being met at α = .01 .

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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skad [1K]
-3 + x = 11
x = 11 + 3
x = 14
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3 years ago
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