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igor_vitrenko [27]

3 years ago

10

Jackson flipped a coin ten times. He flipped heads 3 times and tails 7 times. What is the experimental probability that Jackson

will flip heads on his next flip?

2 answers:

poizon [28]3 years ago

7 0

3/10 easy lol yup should be it

damaskus [11]3 years ago

5 0

3/10 it’s basic math

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Harry worked 7 hours last week. This is 1/3 as many as Aidan worked. How many hours did Aidan work?

Mars2501 [29]

Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.

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3 years ago

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Help me out I gotta good grade to graduate

Dahasolnce [82]

Answer: c

Step-by-step explanation:

Because it makes sense to me

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3 years ago

It is given 5 and h + 1 are the roots of the quadratic equation x² + (k - 1)x - 5 = 0,where h and k are constant.Find the value

Liono4ka [1.6K]

Answer:

Hello,

<u>k=-3 and h=-2</u>

Step-by-step explanation:

$5\ is\ a \ root \of \ x^2+(k-1)*x-5=0\\\\5^2+(k-1)*5-5=0\\\\5*(k-1)+20=0\\\\k-1=\dfrac{-20}{5} \\\\k=-4+1\\\\\boxed{k=-3}\\$

h+1 is thus a root of x²+(-3-1)*x-5=0

x²-4x-5=0

x²+x-5x-5=0

x(x+1)-5(x+1)=0

(x+1)(x-5)=0

h+1=-1

<u>h=-2</u>

6 0

3 years ago

−7/2÷7/5 i do not get it PLZ HELP!!! ASAP

yulyashka [42]

Okay, to start, when dividing fractions, one thing I use is to flip the numerator and denominator of the divisor and change the division sign to a multiplication sign so it would look like this:
-7/2*5/7
Then, you would multiply straight across and you would get -35/14 which simplifies to -5/2.

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2 years ago

I give free brainlest :D

Ede4ka [16]

Answer:

Yes plz!

Step-by-step explanation:

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2 years ago