What is the median of this data set 14,18,31,34,44,50

Answers

Answer 1

Answer: The median is 31.83

Because:

14 + 18 + 31 + 34 + 44 + 50 = 191

191 / 6 = 31.83 (the median)

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Mang Jose plans to fence his rectangular lot before he will plant mushrooms for his mushrooms production business. The perimeter of the lot is 40 meters and the area is 96 square meters.Using the concept of the sum and product of roots of a quadratic equation, how would you determine the length and the width of the rectangular lot? Provide a quadratic equation representing this scenario.

Someone help me

Answers

Answer: The rectangular lot is 12x8 meters

Step-by-step explanation:Perimeter of a geometric figure is the sum of all its sides.

A rectangle is a quadrilateral that has opposite sides parallel and equal, which means, and suppose l is length and w is width:

P = 2l + 2w

The perimeter of the lot is 40m, thus:

2l + 2w = 40

Area of a rectangle is calculated as:

A = length x width

The lot has area of 96, thus:

lw = 96

Solving the system of equations:

2l + 2w = 40 (1)

lw = 96 (2)

Isolate l from (1):

2l = 40 - 2w

l = 20 - w (3)

Substitute (3) in (2):

w(20-w) = 96

$-w^(2)+20w=96$

$-w^(2)+20w-96=0$

There are many methods to determine the roots of a quadratic equation. One of them is using the sum and product of those roots.

Sum of the roots is given by:

$sum = (-b)/(a)$

$sum=(-20)/(-1)$

sum = 20

Product of the roots is:

$prod=(c)/(a)$

$prod=(-96)/(-1)$

prod = 96

The roots of the quadratic equation are numbers which the sum results in 20 and product is 96:

w₁ = 12

w₂ = 8

If we substitute w to find l, the numbers will be l₁ = 8 and l₂ = 12.

Since length is bigger than width, the rectangular lot Mang Jose has to plant mushrooms measures 12m in length and 8m in width

Which relationships hold true for the sum of the magnitudes of vectors u and v, which are perpendicular?

Answers

it is

B) ||u+v|| = sqrt ||u||2 + ||v||2

AND

D) ||u+v|| less than ||u||+||v||

check the picture below.

notice, the sum of u+v yields the red vector, and its magnitude is smaller than the sum of the other two green ones.

XYZW is a parallelogram with diagonals and that intersects at point A if YA=2t WA=3t-4 and XZ=5t find XA

Answers

Answer:

XA = 10 units

Step-by-step explanation:

Given parallelogram XYZW with:

XZ and YW intersect at point A.
YA = 2t
WA = 3t - 4
XZ = 5t
XA = ?

First, the diagonals bisect each- other:

YA = WA

Substitute values and solve for t:

2t = 3t - 4
3t - 2t = 4
t = 4

Find the diagonal XZ:

XZ = 5t = 5*4 = 20

Find the length of XA:

XA = XZ / 2 = 20 / 2 = 10

As Diagonals bisect each other in parallelogram

YA=WA
2t=3t-4
3t-2t=4
t=4

Diagonal XZ

5t
5(4)
20

A small hard drive measured 0.7553 centimeters across round to the nearest tenth

Answers

Answer:

0.8

Step-by-step explanation:

7 is in the tenth place since there is a 5 in the hundreds we round up to 8.

hope this helped =3

Carl is balancing his checking account. After comparing the bank statement to his register, he notices an outstanding debit of $58.00.Which shows the correct amount in Carl’s checking account?
$51.75
$109.75
$167.75
$221.87