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Tpy6a [65]
3 years ago
14

After surveying students in her homeroom, Katie decided to use a number cube to predict the probability that a randomly chosen s

tudent in her school planned to stay after school today for extracurricular activities. In Katie’s simulation, a roll of 1 represents staying after school, while rolls of 2, 3, 4, 5, or 6 represent leaving school at the end of classes.
According to Katie’s model, what is the probability that three randomly chosen students will all stay after school for extracurricular activities today?
A.1/729
B.1/216
C.1/18
D.1/8
Mathematics
2 answers:
Illusion [34]3 years ago
8 0
A.1/729 IS THE CORRECT ANSWER
yawa3891 [41]3 years ago
4 0
The correct answer would be A
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Anestetic [448]
The question said that it told you the base angles. A roof would have two equal base angles. The base angles= 53

All the angles of a triangle each 180, (the roof is shaped like a triangle)

So, let's make x the missing angle.

53(2)+x=180

106+x=180

Subtract 106 on both sides.

180-106= 74

The vertex angle is 74.

I hope this helps!
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4 0
3 years ago
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How do you write 96% as a fraction in simplest form?
Troyanec [42]

Your answer would be 24/25

8 0
3 years ago
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Write it in an algebraic expression form!
Phoenix [80]
1.

(x/2) - 7 = 11


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2x + 7 = 27


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7 0
2 years ago
What is the solution set of x2 + 5x + 1 = 0?
DerKrebs [107]

Answer:

\huge\boxed{\left\{-\dfrac{5+\sqrt{21}}{2};\ \dfrac{-5+\sqrt{21}}{2}\right\}}

Step-by-step explanation:

x^2+5x+1=0\\\\\text{Use the quadratic formula:}\\\\\text{For}\ ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\\text{if}\ \Delta < 0,\ \text{then the equation has no real solution}\\\text{if}\ \Delta=0,\ \text{then the equation has one real solution}\ x=\dfrac{-b}{2a}\\\text{if}\ \Delta>0,\ \text{then the equation has two real solution}\ x=\dfrac{-b\pm\sqrt{\Delta}}{2a}

\text{We have}\\\\a=1,\ b=5,\ c=1\\\\\Delta=5^2-4(1)(1)=25-4=21>0\\\\x=\dfrac{-5\pm\sqrt{21}}{2(1)}=\dfrac{-5\pm\sqrt{21}}{2}

3 0
3 years ago
HELP awarding 60 points and brainliest answer!!!
Tju [1.3M]

Answer:

A

Step-by-step explanation:

Choice A is right because there is no dot above the two.

Choice B is not right because there is 2 dots above 1 and not 3.

Choice C is not right because the data doesn't go passed 5 to get to 8

Choice D is not right because it was 5 games because there is 5 dots above 3

5 0
3 years ago
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