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ella [17]
3 years ago
10

Calculate the mean of this data set.

Mathematics
2 answers:
Murljashka [212]3 years ago
5 0

Answer:

The mean of the data set is 5.

Step-by-step explanation:

Add the numbers in the data set:

6+3+16+12+21+8+9

= 75

Then divide by the amount of values in the data set:

75/15

=5

sladkih [1.3K]3 years ago
3 0

Answer:

5. Ask for explanation if you want one. Hope this helps.

Step-by-step explanation:

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Look at these equations.
Ganezh [65]

Answer:

1.5

Step-by-step explanation:

a+8=b+5

a+3=b

b=1.5

5 0
3 years ago
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A quadrilateral has 4 right angles, 2 pairs of sides of equal length,2 pairs of opposite sides that are parallel. The pairs of o
tekilochka [14]
That is describing a rectangle! The only quadrilaterals with 4 right angles are squares and rectangles. Squares have equal sides but rectangles have one pair of parallel sides that is longer than the other. Hope this helps! If you get more than one answer and see it fit to do so, please mark me Brainliest Answer! Thank you!
6 0
3 years ago
Tina throws a baseball straight up from a height of 3 feet and at a speed of 50 feet per second. The height of the ball in feet
vodka [1.7K]

Answer:

9 feet

Step-by-step explanation:

The height of the ball in feet is given by the polynomial:

h(t) = -16t^2+50t+3

where t is the time in seconds.

After 3 seconds, t = 3:

h(3) = -16(3)^2 + 50(3) + 3 \\\\h = -144 + 150 + 3 = 9 feet

The height of the ball after 3 seconds is 9 feet.

6 0
3 years ago
Please help with this
DIA [1.3K]
Sorry i cant see the picture so well
5 0
2 years ago
Read 2 more answers
How do I find the volume of this?​
lorasvet [3.4K]

Answer:

(64+320π) cm^3

Step-by-step explanation:

The volume of a cube is the length*width*height, so

the volume of this cube is 4*4*4=64 cm^3

The volume of a cylinder is the base*height

The base of a cylinder is the area of a circle, which is π*the radius of the circle squared

The diameter of the circle base is 16, and the radius is half the diameter, so it is 16/2=8.

The area of the base of the cylinder is π8^2=64π

Now, multiply the base by the height, 5

64π*5=320πcm^3

We now have the volume of the cube and the volume of the cylinder, so now we just add them:

(64+320π) cm^3

7 0
3 years ago
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