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2 years ago

Need help !!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Tems11 [23]2 years ago

4 0

Rectangle. it’s a 2d 4 sided shape with 2 sets of parallel sides

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Hat is he probability of pick 1 green marble from a bag with 7 green and 8 blue marbles

disa [49]

Answer:

7/15

Step-by-step explanation:

No. of green marbles in the bag= 7

No. of blue marbles in the bag= 8

Total no. of marbles in the bag= 7+8=15

As we know that,

Probability( of a random event A)= $\frac{Favourable\ no.\ of\ elementary\ events}{Total\ no.\ of\ elementary\ events}$

Hence in this case,

Favourable np. of elementary events (green marbles)=7

Total no. of elementary events (Total no. of marbles in the bag)= 15

Hence, Probability of picking a green marble from the bag= $\frac{7}{15}$

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3 years ago

Josh and Lucy share some money in the ratio of 3 : 7 they share 84 in total how much money does Josh receive

Ann [662]

27.30 is the answer

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3 years ago

What is the idiom of don't beat around the bush

Nutka1998 [239]

Usually, this means just going with the flow, not actually doing the work, just look ing like you are. hoped this helped

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3 years ago

น. <img src="https://tex.z-dn.net/?f=x%20%3D%201%20-%20%20%5Csqrt%7B2%7D%20find%20%20%5C%3A%28x%20-%20%20%5Cfrac%7B1%7D%7Bx%

Nastasia [14]

Answer:

Step-by-step explanation:

$\frac{1}{x}=\frac{1}{1-\sqrt{2}}\\\\=\frac{1*(1+\sqrt{2})}{(1-\sqrt{2})(1+\sqrt{2})}\\\\=\frac{1+\sqrt{2}}{1^{2}-(\sqrt{2})}\\\\=\frac{1+\sqrt{2}}{1-2}\\\\=\frac{1+\sqrt{2}}{-1}\\\\= -[1+\sqrt{2}]\\\\x-\frac{1}{x}=1-\sqrt{2}-(-[1+\sqrt{2}])\\\\=1-\sqrt{2}+1+\sqrt{2}\\\\=2$

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3 years ago

Divide 5x^2 +6x-9 into 25x^4+19x^2-x-78

DochEvi [55]

I've uploaded a photo with the answer because it's too hard to do this out on the computer.

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3 years ago