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diamong [38]
3 years ago
14

Variance is equal to the square root of standard deviation. question 3 options:

Mathematics
1 answer:
Schach [20]3 years ago
5 0
B false standard deviation is the square root of variance
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In rectangle PQRS, SQ = 78, PS = 30, and mPRS = 23°. Find SR.
kondor19780726 [428]
\cos (23)=\frac{sr}{78}\rightarrow78\cdot\cos (23)=SR=67.20

7 0
1 year ago
Justin bought a package of pens that contained one black one blue and one red pen he randomly pulled two pens out of the package
Nataly_w [17]
A:
black,blue
black,red
blue,red

B:
red,black
red,blue
red,green
black,blue
black,green
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5 0
3 years ago
-2x+y=-12, 3y- 2x=-12
inessss [21]

Answer:

x = 6

y = 0

Explanation:

−2x+y=−12;3y−2x=−12

Rewrite equations:

−2x+y=−12;−2x+3y=−12

Solve −2x+y=−12 for y

−2x+y=−12

−2x+y+2x=−12+2x(Add 2x to both sides)

y=2x−12

Substitute 2x−12 for y in −2x+3y=−12

−2x+3y=−12

−2x+3(2x−12)=−12

4x−36=−12 (Simplify both sides of the equation)

4x−36+36=−12+36 (Add 36 to both sides)

4x=24

Divide both sides by 4

4x / 4 = 24 / 4

x = 6

Substitute 6 for x in y=2x−12

y=2x−12

y=(2)(6)−12

y=0 (Simplify both sides of the equation)

6 0
3 years ago
Read 2 more answers
Express in lowest terms.
netineya [11]

Answer:

3x^3

Step-by-step explanation:

57/19=3

x^5 - x^2 = x^3

5 0
3 years ago
Read 2 more answers
Using technology or by hand, make a dot plot representing the data shown in the table. Make sure to label your plot appropriatel
jolli1 [7]

Hello! Don't worry! I will try to answer this as best as I can and as fast as I can. Sorry if the answer is wrong. I am still learning. Hope you get this right!

Answer:

The answer is D.

Step-by-step explanation:

First, you have to find the differences in number of guests in this 2 party :

Next, you have to divide by the smaller value which is the first party, then, multiply by 100 as the question wants percentage increase :

Still stuck? Get 1-on-1 help from an expert tutor now.

Hope this helps you!

:).

5 0
2 years ago
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