3 years ago

Can anyone help fast please???

1 answer:

6 0

The inverse will be 2x+3/4 or D in your picture

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storchak [24]

Answer:

the answer is 5 cups. Hope this helps

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2 years ago

mamaluj [8]

The answer is 7(x-5)=6

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2 years ago

Marizza181 [45]

Answer:

She walked 1 1/5 miles per hour.

Step-by-step explanation:

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3 years ago

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

Klio2033 [76]

I am sorry if answer is wrong,reply me

7 0

3 years ago