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bagirrra123 [75]
3 years ago
14

15=-6 you solve the left side, 7+6 which is 15

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0

Answer:

15=13

Step-by-step explanation:

15=-6 you solve the left side, 7+6 which is 15?

15=-6 =

7+6 = 13

15=13

i'm not sure...

tino4ka555 [31]3 years ago
3 0

15=13 would be the answer : )

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Original amount = 80 dollars. 20 percent off is 64 dollars. 20 percent off is question mark.
lord [1]

Answer:

48

Step-by-step explanation:

80/100=0.8

0.8x60=48

7 0
2 years ago
I’ll give you brainlest if you answer this correctly
BaLLatris [955]
No give it to now lol
4 0
2 years ago
Read 2 more answers
Q4.
goblinko [34]

The coding of the statistic is used to make it easier to work with the large sunshine data set

  • The mean of the sunshine is 3.05\overline 6
  • The standard deviation is approximately  <u>18.184</u>

<u />

Reason:

The given parameters are;

The sample size, n = 3.

∑x = 947

Sample corrected sum of squares, Sₓₓ = 33,065.37

The mean and standard deviation = Required

Solution:

Mean, \ \overline x = \dfrac{\sum x_i}{n}

The mean of the daily total sunshine is therefore;

Mean, \ \overline x = \dfrac{947}{30} \approx 31.5 \overline 6

s = \dfrac{x}{10 } - \dfrac{1}{10}

  • E(s) = \dfrac{Ex}{10 } - \dfrac{1}{10}

E(s) = \dfrac{31.5 \overline 6}{10 } - \dfrac{1}{10} = 3.05 \overline 6

  • The mean ≈ 3.05\overline 6

Alternatively

,The \ mean \  of \  the \  daily  \ total  \ sunshine,  \, s = \dfrac{31.5 \overline 6 - 1}{10 } = 3.05\overline 6

The mean of the daily total sunshine, \overline s ≈3.05\overline 6

  • Var(s) = Var \left(\dfrac{x}{10 } - \dfrac{1}{10} \right)

Var(s) = \left(\dfrac{1}{10}\right)^2 \times Var \left(x \right)

Therefore;

Var(s) = \left(\dfrac{1}{10}\right)^2 \times 33,065.37 = 330,6537

Therefore;

  • s = \sqrt{330.6537} \approx 18.184

The standard deviation, s_s ≈ <u>18.184</u>

Learn more about coding of statistic data here:

brainly.com/question/14837870

3 0
2 years ago
Love how everyone hw on here is geometry and im just here like.... help...
Veronika [31]

Answer:

nope it isn't a linear function

Step-by-step explanation:

if you put it in a graph it isn't a straight line

4 0
3 years ago
Danielle says the answer is "A". Is she correct? If she is,why? And if she isn't,what is the correct answer?​
Naddik [55]

Answer:

She is incorrect. The correct answer is 285.74

Step-by-step explanation:

A= (pi)r^2

Training wheel: A= (3.14)(3)^2=28.26in^2

Wheel: A= (3.14)(10)^2= 314in^2

314-28.26=285.74in^2

3 0
3 years ago
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