3 years ago

I need help ASAP and giving brainlist

Mathematics

2 answers:

IgorLugansk [536]3 years ago

6 0

Answer:

-8, -10, -2

Step-by-step explanation:

Nuetrik [128]3 years ago

4 0

Answer:

-8, -10, -2 are your answers

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Show work pls !!!!!!!!!!!

-Dominant- [34]

Answer:

Step-by-step explanation:

$\frac{32}{24} = \frac{ab}{27} \\ ab = 32 \times 27 \div 24 \\ ab = 36$

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2 years ago

Can someone help me with this fast please?<br> Thank You

egoroff_w [7]

The answer is 3/10

Explaintion

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3 years ago

2/3 + 1/2 <br> i just want to give some points away

goldfiish [28.3K]

Answer: 7/6, 1 and 1/6, or 1.16

Step by step explanation:

2/3 + 1/2

4+3/6

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2 years ago

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In an effort to determine whether any correlation exists between the price of stocks of airlines, an analyst sampled six days of

vovikov84 [41]

Answer:

Check the explanation

Step-by-step explanation:

Following table shows the calculations:

Delta, X Southwest , Y X^2 Y^2 XY

45.96 38.76 2112.3216 1502.3376 1781.4096

46.8 45.41 2190.24 2062.0681 2125.188

47.93 15.7 2297.2849 246.49 752.501

51.78 49.58 2681.1684 2458.1764 2567.2524

52.17 44.34 2721.7089 1966.0356 2313.2178

47.36 18 2242.9696 324 852.48

Total 292 211.79 14245.6934 8559.1077 10392.0488

Sample size: n =6

Now

$S_{yy}=\sum y^{2}-\frac{\left (\sum y \right )^{2}}{n}=1083.27$

$S_{xx}=\sum x^{2}-\frac{\left (\sum x \right )^{2}}{n}=35.03$

$S_{xy}=\sum xy-\frac{\left (\sum x \right )\left (\sum y \right )}{n}=84.94$

The coefficient of correlation is :

$r=\frac{S_{xy}}{\sqrt{S_{xx}S_{yy}}}=0.436$

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3 years ago

Which of the following events below will have an equally likely chance of happening?

Fed [463]

Answer:

Step-by-step explanation:

Think of it like a quarter you got a half and half shot if getting heads or tails. meaning a 50/50 chance.

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2 years ago