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3 years ago

Площадь параллелограмма сторона которого равна 4,7 см а проведённая к ней высота 3,1

Mathematics

1 answer:

Finger [1]3 years ago

5 0

Answer:

im sorry but i dont understand

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Lewis walked 9/10 of a mile. His friend walked 2/5 of the way with him. How many miles did Lewis’s friend walk with him?

STatiana [176]

His friend walked two fifths of mine tenths of a mile.

Two fifths of nine tenths of a nile is (2/5)*(9/10)=9/25 miles

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3 years ago

In an article in Marketing Science, Silk and Berndt investigate the output of advertising agencies. They describe ad agency outp

fredd [130]

Answer: (7.27%, 7.55%)

Step-by-step explanation:

As per given , we have

Sample size : n= 392

Sample mean : $\overline{x}=7.41\%$

$\sigma=1.43\%$

Critical two-tailed z-value for 95% confidence = $z_{\alpha/2}=1.96$

Required confidence interval would be :

$7.41\%\pm (1.96)\dfrac{1.43\%}{\sqrt{392}}\\\\=7.41\%\pm 0.14\%\\\\=(7.27\%, 7.55\%)$

Hence, the required 95% confidence interval for the mean percentage share of billing volume from network television for the population of all U.S. advertising agencies : (7.27%, 7.55%)

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4 years ago

Plzzzzzzz helpppp and explain.

ICE Princess25 [194]

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Answer: Obtuse Scalene Triangle

Explanation:

125 < 169 Sum of the squares of the smaller 2 sides < longest side squared

I hope this helped!

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- Zack Slocum

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3 years ago

Read 2 more answers

Does anyone know how to do this I’m really confused

Levart [38]

<h3>Given:</h3>

Pentagon

The size of the unknown angle "x"

<h3>Solution:</h3>

The given polygon is a Pentagon so the sum of interior angle will be,

$\large\boxed{Formula: ( n − 2 ) × 180}$

n means the number of sides

Let's substitute the values according to the formula.

$(5-2)×180$

$=540°$

Now, we can find the sum of one interior angle.

$\large\boxed{\frac{sum \: of \: interior \: angles}{n}}$

n means the number of sides.

Let's substitute the values according to the formula.

$x=\frac{540}{5}$

$\large\boxed{x= 108°}$

Therefore, the size of the unknown angle "x" is 108°

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2 years ago

There is a child that weighs 90 pounds and every time he eats pizza he gains 5 pounds every week if he ate pizza for 3 weeks how

vladimir2022 [97]

Answer: 105

Step-by-step explanation: 90+5+5+5

7 0

4 years ago

Площадь параллелограмма сторона которого равна 4,7 см а проведённая к ней высота 3,1​

Площадь параллелограмма сторона которого равна 4,7 см а проведённая к ней высота 3,1