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2 years ago

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Mathematics

1 answer:

aliya0001 [1]2 years ago

5 0

91.125 is the answer

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Please answer number 3

Elan Coil [88]

Answer:

1250

Step-by-step explanation:

?/5000 = 25/100 5,000x25= 125,000 divided by 100= 1250.00= 1250

8 0

3 years ago

Which trigonometric identity can be used to prove the given statement? tan0 cos0 = sin0

Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

Free trigonometric identity calculator - verify trigonometric identities step-by-step This website uses cookies to ensure you get the best experience. By using this website, you agree to our Cookie Policy.

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2 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

balandron [24]

Answer:

The first step is to determine the average

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

The exercise says it’s a normal distribution: (n=8)

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

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

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

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

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

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

7 0

3 years ago

What is the range of the function shown on the graph above?

AleksandrR [38]

Answer:

-9≤y≤8

Step-by-step explanation:

The range is the output values

Y goes from -9 to 8

-9≤y≤8

7 0

3 years ago

My name is Ann [436]

Answer:

step 1

Step-by-step explanation:

7 0

3 years ago