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3 years ago

12

If the area of a triangle is 124.8 what is the base and height

1 answer:

Elena L [17]3 years ago

6 0

I think it would be 14.2 and 8.8

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3 years ago

0 A maker of a certain brand of low-fat cereal bars claims that the average saturated fat content is 0.5 gram. In a random sampl

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Answer:

<em>The first step is to determine the average </em>

$x= \frac{0,6+0,7+ 0,7+0,3+0,4+ 0,5+ 0,4 +0,2}{8}\\\ x= 0,475$

<em>The exercise says it’s a normal distribution: (n=8)</em>

$s^{2}= \frac{1}{n-1} ((0,6.x)^2+2(0,7-x)^2+(0.3-x)^2+2(0.4-x)^2+(0.5-x)^2+(0.2-x)^2)\\\ \frac{1}{7}*0,235 = 0,0336 \\\\ s= 0183$

<em>According to the exercise, the mean is equal to 0,5 then the value of t of the distribution can be obtained </em>

<em />

$t= \frac{x-u}{\frac{s}{\sqrt{n} }}\\\ t= \frac{0,475 - 0,5}{0,183}\\\ t= -0,3860$

<em>The variable t has 7 grade to liberty, we calculate the p-value as: </em>

$2* P(t < - 0,3860)= \\\ 2* 0,3554 = 0,7108$

This value is very high, therefore the hypothesis is not rejected

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A trapezoid is shown below.

30665

What is the area of the trapezoid?

A trapezoid is shown below.

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What is the area of the trapezoid?

A trapezoid is shown below.

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A trapezoid is shown below.

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A trapezoid is shown below.

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A trapezoid is shown below.

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A trapezoid is shown below.

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Step-by-step explanation:

4 0

3 years ago

5x + 15 = 2x +3<br> x = what

gladu [14]

$5x + 15 = 2x + 3 \\ 5x + 15 + 3 = 2x \\ 5x + 18 = 2x \\ 18 = 2x - 5x \\ - 3x = 18 \\ x = \frac{18}{ - 3} \\ \\ x = - 6$

<h2><u>x = (-6)</u></h2>

Hope this will help...

5 0

3 years ago