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bezimeni [28]
2 years ago
8

John is solving the following problem: 2(3x-4). When he simplifies the problem using

Mathematics
1 answer:
expeople1 [14]2 years ago
5 0

Answer:

si

Step-by-step explanation:

Ñ

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Desiree starts a savings account with $125. Every month she deposits $53.50
aev [14]

Answer:

if she deposits for 12 months she would have to deposit 642.

Step-by-step explanation:

3 0
3 years ago
Ms. Grove likes to bike around a pond nearby to her house. The pond has a radius of 26 feet. If Ms. Grove bikes around the pond
Serhud [2]
She will have traveled about 2123.72 feet
8 0
3 years ago
4x-2y=12<br> -4x-9=54<br><br> How can you order a ladder?
blagie [28]
Equations:

4x - 2y = 12
-4x - 9y = 54

Multiple them in both sides

4x - 2y - 4x - 9y = 12 + 54
-2y - 9y = 66
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y= -6

If y= -6 then put y in first or second equation.

I put it in first equation

4x - 2.(-6) = 12
4x + 12 = 12
x= 0

Therefore

(x,y) = (0, -6)
3 0
3 years ago
According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 20
Murljashka [212]

Answer:

There is not enough evidence to support the claim that Alaska had a lower proportion of identity theft than 23%.  

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1432

p = 23% = 0.23

Alpha, α = 0.05

Number of theft complaints , x = 321

First, we design the null and the alternate hypothesis  

H_{0}: p = 0.23\\H_A: p < 0.23

This is a one-tailed test.  

Formula:

\hat{p} = \dfrac{x}{n} = \dfrac{321}{1432} =0.2241

z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

Putting the values, we get,

z = \displaystyle\frac{0.2241-0.23}{\sqrt{\frac{0.23(1-0.23)}{1432}}} = -0.5305

Now, we calculate the p-value from the table.

P-value = 0.298

Since the p-value is greater than the significance level, we fail to reject the null hypothesis and accept the null hypothesis.

Conclusion:

Thus, there is not enough evidence to support the claim that Alaska had a lower proportion of identity theft than 23%.

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3 years ago
There’s a picture attached xox
NARA [144]
1)  6 positive 
2) - $25 negative 
3) -8 negative 
4) 82 positive

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3 years ago
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