3 years ago

If A = {1, 3, 5} and B = {1, 2, 3, 4, 5, 6} then AUB

Mathematics

1 answer:

Svetach [21]3 years ago

7 0

Answer:

AUB would be the second one

Step-by-step explanation:

union means all the elements of the mentioned sets, combined. However it is mandatory that you don't repeat the elements even if they are written twice

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2x+3y=9<br> 2x+y=7<br> simultaneous equation

Marat540 [252]

Answer:

x=3 and y=1

Step-by-step explanation:

subtract equation 2 from 1

then (2x+3y) -(2x+y) =9-7

2x-2x+3y-y =2

2y=2 therefore y=1

substitute y value in 2x+y=7

2x+1=7

2x=7-1

2x=6

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3 years ago

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guapka [62]

Answer:

x= 5

Step-by-step explanation:

first we open brackets

12x-8=52

then transpose

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3 years ago

The figures in the picture are similar to each other find the value of x

alisha [4.7K]

Answer:

x = 7

Step-by-step explanation:

Similar figures have sides that are proportional. Setting up a proportion for the sides of the figures will help solve for 'x':

$\frac{small}{large}=\frac{3}{6}=\frac{(x-3)}{(x+1)}$

Cross-multiply: 3(x + 1) = 6(x - 3)

Distribute: 3x + 3 = 6x - 18

Combine like terms: 21 = 3x

Solve for 'x': x = 7

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3 years ago

What is the combine like terms of 3(12x-x

steposvetlana [31]

Step-by-step explanation:

33x

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3 years ago

THE number of bass and pike in a lake are estimated to be in the ratio of 5:3. There are approximately 500 fish in the lake.

lawyer [7]

The bass are 5
and the pike are 3

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3 years ago