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GenaCL600 [577]
3 years ago
12

How many odd numbers are greater than 30 and less than 40?

Mathematics
1 answer:
Lana71 [14]3 years ago
3 0

Answer:

5 odd numberis there 31,33,35,37,39

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Any help would be appreciated(brainly for best answer)
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Answer:

i believe it is the answer on the right because alternate interior angles add up to 180 degrees

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Explain why animals can hear sounds humans can't
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Better hearing and better sound censory

i think anyways
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If 7 || m, find the value of x<br> (9x - 4)' Us 4+ (5x + 16)"
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Answer:

Step-by-step explanation:

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14x + 12 = 180

14x = 168

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A toy manufacturer wants to know how many new toys children buy each year. A sample of 1492 children was taken to study their pu
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By assuming the standard deviation of population 2.2 the confidence interval is 8.67 toys,8.94 toys.

Given sample size of 1492 children,99% confidence interval , sample mean of 8.8, population standard deviation=2.2.

This type of problems can be solved through z test and in z test we have to first find the z score and then p value from normal distribution table.

First we have to find the value of α which can be calculated as  under:

α=(1-0.99)/2=0.005

p=1-0.005=0.995

corresponding z value will be 2.575 for p=0.995 .

Margin of error=z*x/d

where x is mean and d is standard deviation.

M=2.575*2.2/\sqrt{1492}

=0.14

So the lower value will be x-M

=8.8-0.14

=8.66

=8.67 ( after rounding)

The upper value will be x+M

=8.8+0.14

=8.94

Hence the confidence interval will be 8.67 toys and 8.94 toys.

Learn more about z test at brainly.com/question/14453510

#SPJ4

8 0
2 years ago
in order to be invited to tutoring or extension activities a student's performance must be at least 20 points higher or lower th
Ad libitum [116K]

Answer:

p ≤ 85 or p ≥ 125

Step-by-step explanation:

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