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4 years ago

What is 50 points decreased by 26 percent

Mathematics

2 answers:

hoa [83]4 years ago

4 0

The answer is 37
work:
multiply 50 by .26(decimal form if 26%)
50x .26 =13
you have to decrease 50 by 13
50-13=37

saw5 [17]4 years ago

4 0

That equals 37

I hope I helped you

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The equation of the line that passes through (1, 8) and (2, 13) is y =5x+3.

emmasim [6.3K]

Answer:

True

Step-by-step explanation:

y=5x+3

8=5(1)+3

13=5(2)+3

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3 years ago

A study involves 669 randomly selected deaths, with 31 of them caused by accidents. construct a 98% confidence interval for the

Alekssandra [29.7K]

Answer:

Confidence Interval : 2.72% < p < 6.48%

Step-by-step explanation:

Number of randomly selected deaths = 669

Number of deaths caused by accident = 31

$\text{Sample Proportion, p = }\frac{31}{669}=0.046$

z-score for 98% confidence level = 2.326

$\text{Margin of Error = }z\times \sqrt{\frac{p\cdot (1-p)}{n}}\\\\\text{Margin of error = }2.326\times \sqrt{\frac{0.046\times 0.954}{669}}\\\\\implies\text{Margin of error = }0.0188$

Confidence Interval : 0.046 - 0.0188 < p < 0.046 + 0.0188

: 0.0272 < p < 0.0648

: 2.72% < p < 6.48%

Hence, Confidence Interval : 2.72% < p < 6.48%

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3 years ago

How to solve this equation?<br>f(x)=5-x²

AfilCa [17]

Answer:

$x=\sqrt5\text{ and } x=-\sqrt5$

Step-by-step explanation:

To solve for the 0s of a function, set the function to 0 and solve for the x. Therefore:

$f(x)=5-x^2$

Set f(x) to 0:

$0=5-x^2$

Add x^2 to both sides:

$x^2=5$

Take the square root of both sides:

$x=\pm\sqrt{5}$

So, our solutions are:

$x=\sqrt5\text{ and } x=-\sqrt5$

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kakasveta [241]

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3 years ago

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Tcecarenko [31]

Answer:

Step-by-step explanation:

They're congruent.

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3 years ago