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krok68 [10]
3 years ago
14

Tara has four favorite CDs the length of the CDs are 45 minutes 52 minutes and 38 minutes and 47 minutes what is the median leng

th​
Mathematics
1 answer:
Vlad [161]3 years ago
7 0

Answer:

Your answer is 46 minutes.

Step-by-step explanation: By doing the median of the numbers you order the pairs from least to greatest. 38, 45, 47, 52. You find the middle number if its an even number of pairs you pick the two middle most numbers and add them together.

45 + 47= 92

Then you divide the sum by the number of pairs. Which we have 2 pairs.

92/2 = 46 hence your answer will be 46 minutes.

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What are the coordinates of the centroid of a triangle with vertices P(−4, −1) , Q(2, 2) , and R(2, −3) ?
Alenkasestr [34]

Answer:

(x,y)=(0,\frac{-2}{3})

Step-by-step explanation:

Given : Vertices of Triangle P(x_1,y_1)=(-4,-1) , Q(x_2,y_2)=(2, 2) and R(x_3,y_3)=(2,-3)

To find : Centroid of a triangle

The centroid of a triangle is the point of intersection of the three medians of the triangle.

The formula to calculate the centroid of a triangle is:

(x,y)=(\frac{x_1+x_2+x_3}{3},\frac{y_1+y_2+y_3}{3})

Where, x_1,x_2,x_3,y_1,y_2,y_3  are the coordinates of the centroid

Substituting the values in the formula gives us:

(x,y)=(\frac{x_1+x_2+x_3}{3},\frac{y_1+y_2+y_3}{3})

(x,y)=(\frac{-4+2+2}{3},\frac{-1+2-3}{3})

(x,y)=(\frac{0}{3},\frac{-2}{3})

Therefore, (x,y)=(0,\frac{-2}{3})

4 0
3 years ago
Read 2 more answers
ITS AN EMERGENCY PLEASE!
Lady bird [3.3K]
I’m pretty sure the power is 4
3 0
3 years ago
Find the values of x,y,z. This diagram is not a scale.
Serjik [45]

Important:
                             The sum of the three angles inside
                              every triangle is always 180°.


First, look at the left triangle alone.
Two of its angles are 46° and 58° .  (46° + 58° ) = 104°
That leaves (180° - 104° ) = 76° degrees for the third angle.
The third angle in that triangle is 'x'. 
                                                         x = 76° .

At the point where 'x' and 'z' come together:
'x' and 'z' are a "linear pair".
Placed side-by-side, they form a straight line.
So (x + z) = 180° .
But  x = 76°.
So z = (180° - 76°).              z = 104° .

Now look at the the skinny triangle on the right alone.
The angle at the top is 13°, and  z = 104°. 
(13° + 104°) = 117° . 
That leaves (180° - 117°) = 63° for the third angle.
'y' is the third angle.
                                                 y = 63° .

3 0
3 years ago
Read 2 more answers
Pls help me I know this is easy I’m just not smart
skelet666 [1.2K]

Answer:

4

Step-by-step explanation:

Given :

5c+cd where, C=\frac{1}{5}  and d=15

Now,

5×\frac{1}{5} +\frac{1}{5} (15)

=1+3

=4

Answer is 4

3 0
3 years ago
Simplify 4(5+t)+2t<br> Please explain steps taken
Digiron [165]

Answer:

6t+20

Step-by-step explanation:

4(5+t)+2t =

= 20+4t+2t =

= 20+6t =

= 6t+20

6 0
3 years ago
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