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KonstantinChe [14]
3 years ago
15

Whats the standard deviation of 1,5,7,3,2,9,1

Mathematics
1 answer:
steposvetlana [31]3 years ago
7 0

Answer:

The pattern is see is saying

Step-by-step explanation: 5+2-4-1+7-8

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PLz answer before 11:59 pm
Tpy6a [65]

Answer:

SA = 2520 ft^2

Step-by-step explanation:

a = 21ft

b = 29ft

c = 20ft

h = 30ft

SA = 2A_{B} + (a+b+c)h

A_{B} = s(s﹣a)(s﹣b)(s﹣c)

s = \frac{a + b + c}{2}

SA= ah + bh + ch + \frac{1}{2} \sqrt{-a^4 + 2(ab)^2 + 2(ac)^2 - b^4 + 2(bc)^2 - c4}

SA= (21 * 30) + (29 * 30) + (20 * 30) +

       \frac{1}{2} \sqrt{-(21)^4 + 2(21 * 29)^2 + 2(21 * 20)^2 - (29)^4 + 2(29 * 20)^2 - (20)^4}

SA = 2520 ft^2

6 0
3 years ago
What is the surface area of this triangular prism
Sphinxa [80]
(1/2x5x6)x2+(11x5)x2=140
140 square centimeters
6 0
3 years ago
- There are 75 cars at a dealership. 35 are blue or red. Suppose 16 are red and 3 are
viva [34]

Answer:

19 are blue

37

Step-by-step explanation:

35 - 16 = 19

35 + 3 = 38 & 75 - 38 = 37

7 0
3 years ago
The key for a stem and leaf plot is 3|4. which number is the stem? which number is the leaf?
Kisachek [45]

Answer:

The number 3 is the stem.

The number 4 is the leaf.

Step-by-step explanation:

The Stem and Leaf Plot is a mathematical table used for the graphical representation of a data set. It involves splitting each data value into a stem (typically the first number, on the left) and a leaf (the last number, on the right).

The stem list is used for grouping data value downwards while the leaf values move rightward from its respective stem values and it's used for showing each data value within a group.

Also, the key of a stem and leaf plot is used as a guide on how to read the data set.

For example, the key for a stem and leaf plot is 3|4. Thus, the number 3 is the "stem" and the number 4 is the "leaf."

4 0
2 years ago
Find the value of cos[cos^-1(sqrt 2/2)-n/2]
SCORPION-xisa [38]

Answer:

Closest choice would be D.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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