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Rasek [7]
2 years ago
6

HELLPP MEMMMEMEMEE pls

Mathematics
1 answer:
-Dominant- [34]2 years ago
4 0

Answer:

60

Step-by-step explanation:

Look at the attachment

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Three national news networks are trying to estimate what percentage of
kolezko [41]

Answer:

  • <u>Option C. The Network C sample.</u>

Explanation:

The variability of a sample may be described by using some common statistics like the variance and the standard deviation.

The variance and the standard deviation measure the difference between the values of the data  and the mean. The variance is the average square of those differences or deviations. The standard deviation is the square root of the variance.

Thus, both variance and deviations, being an average of the differences of the data from the mean contain the number of data in the denominator of the equation.

That lets you know to conclude that the larger the number of data (the larger the sample) the smaller the variance and the standard deviation, this is the lower the variability of the data.

Hence, Network C, which has the greatest number of voters sampled (1,800) is likely to have the least variability.

3 0
2 years ago
Read 2 more answers
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
Asked 03.28.2020
snow_tiger [21]

Distance to the farm is 24 miles

Step-by-step explanation:

  • Step 1: Let the speed of Peggy be x mph. Then the speed of Mike is x + 36 mph. Find the equation of distance for Mike and Peggy to the farm.

Time taken by Mike = 0.5 hr

Time taken by Peggy = 2 hrs

Distance is calculated by the equation Distance = Speed × Time

Distance traveled by Mike = (x + 36) × 0.5

Distance traveled by Peggy = x × 2

  • Step 2: Equate the 2 distances of Mike and Peggy as they are the same and find x.

(x + 36) × 0.5 = 2x

0.5x + 18 = 2x

1.5 x = 18

⇒ x = 18/1.5 = 12 mph

  • Step 3: Find the distance to the farm.

Distance to the farm = 2x = 24 miles

4 0
3 years ago
Which of the following is a linear function?<br> А<br> B<br> C<br> D
kramer

Answer:

d

Step-by-step explanation:

..................

3 0
2 years ago
What is the average rate of change of the function f(x)=20(14)xf(x)=20(14)x from x = 1 to x = 2? Enter your answer, as a decimal
notsponge [240]
\bf slope = m = \cfrac{rise}{run} \implies &#10;\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby &#10;\begin{array}{llll}&#10;average~rate\\&#10;of~change&#10;\end{array}\\\\&#10;-------------------------------\\\\&#10;f(x)= 20(14)^x  \qquad &#10;\begin{cases}&#10;x_1=1\\&#10;x_2=2&#10;\end{cases}\implies \cfrac{f(2)-f(1)}{2-1}&#10;\\\\\\&#10;\cfrac{[20(14)^2]~~-~~[20(14)^1]}{1}\implies \cfrac{20\cdot 196~~-~~20\cdot 14}{1}&#10;\\\\\\&#10;\cfrac{3920~~-~~280}{1}\implies \cfrac{3640}{1}\implies 3640
4 0
3 years ago
Read 2 more answers
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