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AlekseyPX
3 years ago
5

1. 2" + 2" + 2 = 4" + 2

Mathematics
1 answer:
Licemer1 [7]3 years ago
4 0
1.4+2=4+2
1.6=4+2
1.6=6
6
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On a number line, between which two consecutive whole numbers would square root 27 be located 
Elina [12.6K]
The answer is A) 5 and 6
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3 years ago
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The size of a small ant is about 0.002 meters, which can be written as 2 x 10"
Nesterboy [21]

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B

Step-by-step explanation:

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3 years ago
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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
julia-pushkina [17]

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
ANSWER THIS ASAP NO FILE AT ATT!! IM AT 69 I NEED A 70 JUST GET IT RIGHT
Darya [45]

Answer:

A

Step-by-step explanation:

A shows a counterclockwise 90° rotation, so it is the correct answer.

B shows a reflection.

C shows a translation.

8 0
2 years ago
Tahnks for helping it will mean a lot
VMariaS [17]

Answer:

- 1.2  , - \frac{1}{2} ,0.44,\frac{7}{3}

Step-by-step explanation:

We want to arrange the following numbers on the number line in order from least to greatest.

The numbers are:

0.44, \frac{7}{3} , - 1.2, -  \frac{1}{ 2}

Let us convert everything into decimals to get:

0.44,2. \bar3 , - 1.2, - 0.5

Rearranging from least to greatest, we have:

- 1.2  , - 0.5 ,0.44,2. \bar3

6 0
3 years ago
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