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Masja [62]
3 years ago
7

Select the correct answer. The area of a square is 9 square feet as shown below

Mathematics
1 answer:
kondaur [170]3 years ago
6 0
The answer to the problem is A
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It takes a cook 180 minutes to cook if 45 minutes is already completed .what percentage is completed
AleksandrR [38]

Answer:

25%

Step-by-step explanation:

45 is 1/4 of 180. 1/4 is 25%.

6 0
3 years ago
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Approximately 54% of mathematics students do their homework on time. In a class of 250 students, what is the mean, variance, and
sleet_krkn [62]

Answer:

A) Mean = 135 Variance = 62 Standard Deviation = 8

Step-by-step explanation:

Given that :

Proportion (p) = 54%

Sample size (n) = 250

Using Normal approximation :

Mean = np

Mean = 250 * 0.54 = 135

Variance = npq ; q = 1 - p = 1 - 0.54 = 0.46

Variance = (250 * 0.54 * 0.46) = 62.1 = 62

Standard deviation = √variance = √62.1

Standard deviation = 7.8803553 = 8

6 0
3 years ago
Does anyone have the answers to Geometry B Unit 6: Surface Area and Volume, Lesson 10: Surface Area and Volume Unit Test? please
Mama L [17]

Hello everyone

Are you guys talking about the Lesson 10: Surface Area and Volume Unit Test unit 6: Surface Area and Volume test, i have the answers right here for all of you:

1) 17

2)Hexagon

3)95cm^2; 275cm^2

4)795m^2; 822m^2

5)2,205 in^2

6)770m^2

7)43.1cm

8)LA= 829.4ft^2; SA 1,209.5ft^2

9)593.9cm^3

10)43.35pim^3

11)2.1 in

12)528

13)850cm^3

14)115cm^2

15)3,054cm^3

16)2,158m^2

17)Yes 1:8

18)144m^2

19)4,712m^2

20)1,944cm^3

If you guys need help with anything else please feel free to ask !!!!, trust me those answer are all correct, if you have the same test as me, and same answers, like i put, those answers  will help you !.

                                                                                    ~By Naba~

8 0
3 years ago
Mix 3 liters of water with 4 lemons to make lemonade. How many liters of water are mixed with 8 lemons how many liters of water
Andrei [34K]

Answer:

6 Liters

Step-by-step

4 Lemons = 3 Liters

8 Lemons = 6 Liters

So its basicly multiplying it by 2  ^O^

6 0
2 years ago
Read 2 more answers
Which of the following are equations for the line shown below? Check all that
Monica [59]

Answer: A, B, C

Step-by-step explanation:

m=\frac{-5-3}{4-(-4)}=-1

Substituting into point-slope form, we get y-3=-(x+4) and y+5=-(x-4). Rearranging this into slope-intercept form,

y-3=-(x+4)\\\\y-3=-x-4\\\\y=-x+1

6 0
2 years ago
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