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3 years ago

Choose the correct simplification of the expression (2x7y)2(y5)3.

Mathematics

2 answers:

adoni [48]3 years ago

8 0

Im taking this to mean (2 x^7 y)^2 (y^5)^3

= 4x^14 y^2 * y^15

= 4x^14 y^17 which is option 4

olga55 [171]3 years ago

3 0

4x^14 y^17 which is option 4

I took the test

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What 3 numbers multiply to get 63?

masya89 [10]

There are many combinations if the numbers are not required to be integers.

If they are required to be integers, I'd suggest:

3*7*3 = 63

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3 years ago

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A bag contains 3 red marbles 4 blue marbles and 7 Green marbles if two marbles are drawn out of the bag what is the probability

mr_godi [17]

Answer:

0.368

Step-by-step explanation:

Number of red marbles= 3

Number of blue marbles= 4

Number of green marbles= 7

Total number of marbles= 3+4+7= 14

Let the first ball is taken out to be red

P(R)= $\frac{3}{14}$

than again a second ball is drawn, number of balls left= 14-1=13

Number of red= 2

P(R)= $\frac{2}{13}$

Total probability= $\frac{3}{14}$ + $\frac{2}{13}$

Total probability= 0.368

Hence, the correct answer is 0.368

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3 years ago

Find the value of the expression if x=-7

LUCKY_DIMON [66]

Answer: -16

Step-by-step explanation:

49 would be the result of -7 squared. Due to the fact it is negative, it would cancel out to be positive.

For the numerator, 49-1 is equivalent to 48.

48/x+4

-7+4 = -3

48/-3

= -16

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3 years ago

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NeX [460]

X-3=66
x=69

69+41+(y-9)=180
110+y-9=180
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3 years ago

Give an example of a situation in which a percentage is greater than 100%. (2 points) HURRY WILL MARK BRAINLEST FOR 140 POINTS!

zysi [14]

Answer:

There is a price and it rises by 30%the price sit now 130%of the original

Step-by-step explanation:

There is a price and it rises by 30%the price sit now 130%of the original

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