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fredd [130]
3 years ago
13

In the data set, what is the variance? 6 8 1 9 4

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
3 0
 The answer is  s² ≈ 10.3
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The measure of B is (3x-4)° and the measure of D is (2x-6)°. What are the measures of angles B and D?
Ilia_Sergeevich [38]

Answer:

5x - 10

Step-by-step explanation:

→ Find the sum of the expression

3x - 4 + 2x - 6

→ Collect all the x terms

3x + 2x - 4 - 6

→ Simplify

5x - 10

3 0
1 year ago
Simplify m(2+n-m)+3(3n+m^2-1)
mina [271]

Answer:2m^2+mn+2m+9n-3

Step-by-step explanation:

m(2+n-m)+3(3n+m^2-1)

open brackets

2m+mn-m^2+9n+3m^2-3

Collect like terms

3m^2-m^2+mn+2m+9n-3

2m^2+mn+2m+9n-3

4 0
3 years ago
25% of 24
FinnZ [79.3K]

Answer:

---

Step-by-step explanation:

I'm not showing you all of them, but this one is very simple.

You convert the percent(25%) to a decimal(0.25), then multiply it by the whole number(24). So simple, I got it all in one sentence.

0.25x24=6

25% of 24 is 6.

---

hope it helps

6 0
3 years ago
I’m stuck on these two questions
torisob [31]
7) -5-x=0
x=-5
8) 4x-36=0
4(x-9)=0
x-9=0
x=9
8 0
3 years ago
Find the reference angle for a rotation of 208º.
blsea [12.9K]

Answer:

I'm not sure the answer but I can tell you how to solve.

Step-by-step explanation:

Identify your initial angle. For this example, we’ll use 440° 2. The angle is larger than a full angle of 360°, so you need to subtract the total angle until it’s small. 440° - 360° = 80° 3.

7 0
3 years ago
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