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stepan [7]
3 years ago
15

Need some help please

Mathematics
2 answers:
dalvyx [7]3 years ago
6 0

Answer:


Step-by-step explanation:


Gnoma [55]3 years ago
3 0
You can use this to help you. label the triangle like the picture and use the equations. I hope this helps.

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Two students compared the scores on their math tests. Their results on 9 tests are shown in the box plots below. Compare the box
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PLZZZ HELP ASAP 50 POINTS!!!!
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1- the answer is b and d 2- the answer is a and b 3- the answer is b

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What is the slope of a line perpendicular to a line that contains the points (7, 1) and (-8 ,-3)
Inessa05 [86]

Answer:

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Step-by-step explanation:

4 0
3 years ago
A bucket always contains two balls. Ball colors are red and blue. Each stage in a process consists of two steps: selection and r
KonstantinChe [14]

Answer:

Probability that the fifth ball selected is red = 0.705

Step-by-step explanation:

Let

X_{n} = Number of red balls after the 4th turn

⇒X_{n}  ∈ { 0, 1, 2 }

Then,

P = \left[\begin{array}{ccc}0.8&0.2&0\\0.1&0.8&0.1\\0&0.2&0.8\end{array}\right]

⇒P^{4} = \left[\begin{array}{ccc}0.487&0.435&0.776\\0.218&0.565&0.218\\0.776&0.435&0.487\end{array}\right]

Now,

P(5th ball is red | X_{0} = 2 ) = 0. P^{4} _{20} + \frac{1}{2}P^{4} _{21} + 1. P^{4} _{22}

                                         =  \frac{1}{2} (0.4352) + 1. (0.4872) = 0.2176 + 0.4872

                                        = 0.705

∴ we get

Probability that the fifth ball selected is red = 0.705

6 0
2 years ago
I need help with my homework​
Gnom [1K]

Answer:

the whole picture isnt shown??

Step-by-step explanation:

6 0
3 years ago
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