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miss Akunina [59]
3 years ago
10

Please help !!!!!!!!!!!!

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
6 0

Answer:

25+40

Step-by-step explanation:

for the area of a triangle you multiple the base times the height. for the area of the square it is the length times width.

NOTE: to completely answer just add 25+40

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Someone please I need help!!
Andrews [41]

Answer:

<h2>if im not mistaken it should be the letter e</h2>

Step-by-step explanation:

hope this helps

4 0
2 years ago
The First National Bank of Wilson has 700 checking account customers. A recent sample of 50 of these customers showed 29 have a
attashe74 [19]

The margin of error is 0.137 and the confidence interval for the population proportion is (0.443, 0.717).

<h3>What is the margin of error(MOE)?</h3>

It is defined as an error that provides an estimate of the percentage of errors in real statistical data.

The formula for finding the MOE:

\rm MOE = Z\times \dfrac{s}{\sqrt{n}}

Where   Z is the z-score at the confidence interval

            s is the standard deviation

            n is the number of samples.

We have:

n = 50, X = 29,

Estimate point p = 29/50 = 0.58

q = 1-p = 1-0.58 = 0.42

Z at 0.05/2 (95% confidence interval) = 1.96

\rm MOE = 1.96\sqrt{\dfrac{0.58\times0.42}{50}}

After calculating:

MOE = 0.137

Confidence interval will be: (p - MOE, p+MOE)

= (0.58-0.137, 0.58+0.137)

= (0.443, 0.717)

Thus, the margin of error is 0.137 and the confidence interval for the population proportion is (0.443, 0.717).

Learn more about the Margin of error here:

brainly.com/question/13990500

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3 0
2 years ago
Can anyone factor 8x^2 + 10x -25? Please Help!
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Answer:

( 4 x − 5 ) ( 2 x + 5 )

Step-by-step explanation:

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3 years ago
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In a lab, a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio of the amo
kupik [55]

1:4 is the answer to the question.

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3 years ago
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Write the equation for the line that passes through (-6, 1) and is perpendicular to
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Answer

(3,-2)

Explanation step by step

<em>y</em><em>=</em><em> </em><em> </em><em>-</em><em>2</em><em>x</em><em>-</em><em>9</em>

<em> </em><em> </em><em> </em><em>=</em><em> </em><em>-</em><em>2</em><em>(</em><em>-</em><em>6</em><em>,</em><em>1</em><em>)</em><em>-</em><em>9</em>

<em>=</em><em> </em><em>(</em><em>1</em><em>2</em><em>,</em><em>-</em><em>2</em><em>)</em><em>-</em><em>9</em>

<em>=</em><em>(</em><em>3</em><em>,</em><em>-</em><em>2</em><em>)</em>

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3 years ago
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