2 years ago

Which of the following is not a case of direct variation

Mathematics

1 answer:

Gelneren [198K]2 years ago

5 0

Answer:

I can't understand.. can you add pictures also

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A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a red marble, replacing it, and then picking a

Ulleksa [173]

Probability red+green

first pick(red) : 7/10
2nd pick( green) : 1/10

the answer maybe like this
prob : 7/10+1/10 = 8/10 =4/5

3 0

2 years ago

Given the following winning percentages of the teams in a league (for a single year) compute the within-season standard deviatio

Masja [62]

Answer:

(b) 0.251

Step-by-step explanation:

1. Standard deviation equation:

$SD=\sqrt{\frac{\sum\limits^N_i {(x_{i}-X)^{2} } }{N} }$

Where X is the mean of the data, and N the amount of data. Then, N=5

2. Estimate the Mean:

$X=\frac{0.750+0.750+0.200+0.600+0.200}{5}=\frac{2.5}{5}=0.5\\$

3. Caclulate Standard deviation:

$SD=\sqrt{\frac{{(0.750-0.500)^{2}+(0.750-0.500)^{2}+(0.200-0.500)^{2}+(0.600-0.500)^{2}+(0.200-0.500)^{2} } }{5} }$

$SD=\sqrt{\frac{0.315}{5} }=\sqrt{0.063}\\SD=0.251$

7 0

2 years ago

Look at this table.

NemiM [27]

OPTION:

Step-by-step explanation:

4 0

2 years ago

Pls help and thank you!

lyudmila [28]

Answer:

0.052 acre/min

Step-by-step explanation:

6 1/4 acres / 2 hours times the conversion factor (1 hr / 60 min) comes out to:

6.25

----------------- = 0.052 acre/min

2 (60 min)

---------

8 0

2 years ago

Read 2 more answers

The rational parent function is f(x)= 1/x

algol [13]

F(x)= -(1/x-5)+2. I hope this helps

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2 years ago