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2 years ago

Final part of the day, 10! Giving brainliest! Define, mean, median, and mode correctly.

Mathematics

2 answers:

Yuki888 [10]2 years ago

8 0

Answer:

The mean is the arithmetic average of a set of given numbers. The median is the middle score in a set of given numbers. The mode is the most frequently occurring score in a set of given numbers

Step-by-step explanation:

nalin [4]2 years ago

8 0

Mean: the sum of all values divided by the number of values

Mode: the value that appears the most in the data set

Median: the value separating the higher half from the lower half

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Equivalent ratios for 8:28

Tpy6a [65]

Answer:

8 : 28

x2 x2

16:56

Step-by-step explanation:

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3 years ago

Use the method of reduction of order to find a second solution to t^2y' + 3ty' – 3y = 0, t> 0 Given yı(t) = t y2(t) = Preview

Anestetic [448]

Let $y_2(t)=tv(t)$ . Then

${y_2}'=tv'+v$

${y_2}''=tv''+2v'$

and substituting these into the ODE gives

$t^2(tv''+2v')+3t(tv'+v)-3tv=0$

$t^3v''+5t^2v'=0$

$tv''+5v'=0$

Let $u(t)=v'(t)$ , so that $u'(t)=v''(t)$ . Then the ODE is linear in $u$ , with

$tu'+5u=0$

Multiply both sides by $t^4$ , so that the left side can be condensed as the derivative of a product:

$t^5u'+5t^4u=(t^5u)'=0$

Integrating both sides and solving for $u(t)$ gives

$t^5u=C\implies u=Ct^{-5}$

Integrate again to solve for $v(t)$ :

$v=C_1t^{-6}+C_2$

and finally, solve for $y_2(t)$ by multiplying both sides by $t$ :

$tv=y_2=C_1t^{-5}+C_2t$

$y_1(t)=t$ already accounts for the $t$ term in this solution, so the other independent solution is $y_2(t)=t^{-5}$ .

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3 years ago

So I need help with my test please no link it would be very helpful

Svetllana [295]

Answer:

Question 1: DE is congruent to GH

Question 2: angle-side-side

Question 3: 153

Question 4: the first choice

Question 5: 26

Step-by-step explanation:

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2 years ago

What is the radius of the circle whose equation is x2 + y2 = 9? 3 9 81

Sav [38]

The center-radius form of the circle equationis in the format (x – h)2 + (y – k)2 = r2, with the center being at the point (h, k) and the radius being "r". Therefore the radius of the circle with the given equation would be √9 or 3, first option. Hope this answers the question.

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2 years ago

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What is the simplified form of 8192/38220?

NikAS [45]

The answer would be 2048/9555 using simplified fraction

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3 years ago