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erastova [34]
3 years ago
6

Read below i need some help please

Mathematics
1 answer:
Anton [14]3 years ago
4 0

Answer:

<u><em>8/20</em></u>

Step-by-step explanation

<em>boys left handed=3 </em>

<em>boys right handed=9 </em>

<em>girls left handed=2 </em>

<em>girls right handed=6 </em>

<em>what is the probability that a student chosen from random is a girl? give answer as a fraction please and include step by step process</em>

<em>girls left handed: 2</em>

girls right handed: 6

6+2=8

total all students 20

<em>8/20</em>

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Plz help brain fam!
Liono4ka [1.6K]
What would make finding the answer a bit easier, is converting them into improper fractions. You would turn that first fraction to \frac{-9}{4} and the second fraction to \frac{-3}{2}. (You are dividing a negative by a negative, therefore, your answer would be a positive.

Let's follow the procedure of keeping, switching, and flipping. You keep the first improper fraction, switch the division sign to a multiplication sign, and flip the second fraction. That would make it : \frac{-9}{4} ×\frac{-2}{3}.

You multiply the 9 and the 2, you get 18. You multiply the 3 and the 4, you get 12. That makes it \frac{18}{12}. This, converted to a mixed fraction, makes 1\frac{6}{12}., which is the same as  1\frac{1}{2}. Your answer is the SECOND CHOICE.
8 0
3 years ago
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Twenty different statistics students are randomly selected. For each of​ them, their body temperature (degrees°​C) is measured a
denis-greek [22]

Answer: the answer is b.

r = 0 means that there is not a linear relationship between both variables, but there are other types of relationships that can be happening here.

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6 0
3 years ago
HELP me with These questions 2
LUCKY_DIMON [66]

Answer: 4

<u>Step-by-step explanation:</u>

A = \frac{1}{2}r²θ

50 = \frac{1}{2}(5)²θ

100 = (5)²θ

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********************************************************************************

Answer: 1570.80 cm²

<u>Step-by-step explanation:</u>

A = \frac{1}{2}r²θ

A = \frac{1}{2}(100)²(\frac{\pi}{10})

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********************************************************************************

Answer: 19.63 m²

<u>Step-by-step explanation:</u>

A = \frac{1}{2}r²θ

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********************************************************************************

Answer: 15°

<u>Step-by-step explanation:</u>

\frac{\pi }{180} = \frac{\pi} {12x}

180 = 12x

  15 = x

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Answer: A

<u>Step-by-step explanation:</u>

Quadrant I: 0° - 90°

Quadrant II: 90° - 180°

Quadrant III: 180° - 270°

Quadrant IV: 270° - 360°

255° is in Quadrant III

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3 years ago
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adoni [48]
2x-10x+
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Answer:

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to check- 0.50 times 17 equals 8.50

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