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AleksAgata [21]
3 years ago
14

IF A = [5, 6, 7] and B = [7, 8, 9] then A ∪ B is equal to

Mathematics
2 answers:
motikmotik3 years ago
8 0

Step-by-step explanation:

while uniting there A and B double number shouldn't be written in place of double we should write only one number and that is the model for these type of. question

Zielflug [23.3K]3 years ago
4 0

Answer:

=[5,6,7,8,9]

Step-by-step explanation:

a=(5,6,7)

B=(7,8,9)

AUB=(5,6,7)U(7,8,9)

=[5,6,7,8,9]

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Each person on a four-person relay team completed a race in approximately 18.1 seconds. How long did it take the relay team to f
likoan [24]

Answer:

72.4 seconds

Step-by-step explanation:

We are given that,

Time taken by each person in the team = 18.1 seconds

Number of members in the team = 4

It is required to find the total time taken by the team to finish the race.

Thus, the time taken taken = 4 × 18.1 = 72.4 seconds

Hence. the team finished the race in 72.4 seconds.

8 0
3 years ago
-7(k-8)+2k
Vladimir79 [104]

Step-by-step explanation:

-7(k-8)+2k Use distributive property.

-7k+56+2k Combine like terms.

-5k+56


Mother knows best :)

4 0
4 years ago
50 is 25% of what number
Marat540 [252]
200. 50x4=200 hope that helps
5 0
3 years ago
Read 2 more answers
What is the quotient of 4 divided by 9/10
kozerog [31]
The answer is 49/9 because you can first convert the fraction into a decimal and devide 4 and 0.9 and you will get 5.4 repeating and which is 49/9
3 0
3 years ago
Read 2 more answers
Find the length of side x in simplest radical form with a rational denominator.
Klio2033 [76]

Answer:

x = \frac{\sqrt{6}}{2}

Step-by-step explanation:

Reference angle = 45°

Opposite side = x

Hypotenuse = √3

Use the following trigonometric ratios formula to find x:

sin(\theta) = \frac{opp}{hyp}

Plug in the values

sin(45) = \frac{x}{\sqrt{3}}

Multiply both sides by √3

\sqrt{3}*sin(45) = x

\sqrt{3}*\frac{\sqrt{2}}{2} = x

\frac{\sqrt{3*2}}{2} = x

\frac{\sqrt{6}}{2} = x

6 0
3 years ago
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