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Klio2033 [76]
3 years ago
10

What is the median of this set of measurements? 10cm, 15cm, 15cm, 18cm, 20cm.

Mathematics
2 answers:
Alinara [238K]3 years ago
4 0

Answer:

15 cm

Step-by-step explanation:

Median means middle number

10,15,15,18,20

Marina86 [1]3 years ago
3 0

Answer:

15 cm

Step-by-step explanation:

The median is the number in the middle of a data set.

First, arrange the data from least to greatest.

10 cm, 15 cm, 15 cm, 18 cm, 20 cm

Now, take one number off each end of the data set until the middle number is reached.

10 cm, 15 cm, 15 cm, 18 cm, 20 cm

15 cm, 15 cm, 18 cm

15 cm

Therefore the median of the set of measurements is 15 cm.

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garik1379 [7]

Answer:

None

Step-by-step explanation:

8 0
3 years ago
Choose the inequality that represents the following graph
makkiz [27]
D


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Plz help I don’t understand how to do this problem
kkurt [141]

Answer:

  • a) 6
  • b) 3t² - 17t + 28
  • c) 3t² - 5t - 2

Step-by-step explanation:

<u>Given function:</u>

  • g(t) = 3t² - 5t + 4

a)  g(2)

  • g(2) = 3*2² - 5*2 + 4 =
  •          3*4 - 10 + 4 =
  •          12 - 6 =
  •          6

b)  g(t - 2)

  • g(t - 2) = 3(t - 2)² - 5(t - 2) + 4 =
  •               3(t² - 4t + 4) - 5t + 10 + 4 =
  •               3t² - 12t + 12 - 5t + 16 =
  •               3t² - 17t + 28

c)  g(t) - g(2)

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  •                   3t² - 5t - 2
7 0
3 years ago
1. Considere as funções f e g, ambas com domínio Z, dadas por f(x) = x²- 2x e g(x) = x³-1. Associe as colunas e assinale a alter
Greeley [361]

Answer:

(A)C,D,A,B

Step-by-step explanation:

f(x) = x^2- 2x\\g(x) = x^3-1

a)

f(-2) = (-2)^2- 2(-2)\\=4-(-4)\\=4+4\\=8$ (C)

b)

g(-2) = (-2)^3-1\\\=-8-1\\=-9 $(D)

c)

f(-1) = (-1)^2- 2(-1)=1+2=3\\g(3) = (3)^3-1=27-1=26\\f(-1) + g(3)=3+26\\=29$ (A)

d) f(5) : g(2)

f(5) = (5)^2- 2(5)=25-10=15\\g(2) = (2)^3-1=8-1=7\\f(5) :g(2)=15/7$ (B)

5 0
3 years ago
6x + 9 &lt; 21 or 12−3x &lt;−3
Anastaziya [24]

Answer:

-9,212

Step-by-step explanation:

8 0
3 years ago
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