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Novosadov [1.4K]
3 years ago
6

Form the union for the following sets. X = {0, 10, 100, 1000} Y = {100, 1000} X ∪ Y =

Mathematics
2 answers:
erastovalidia [21]3 years ago
6 0

Answer:

XUY ={0,10,100,1000

Step-by-step explanation:

Given that two sets X and Y are as follows:

X = {0, 10, 100, 1000}:

Y = {100, 1000}

Union of two sets would be the collection of elements of both sets without repititions.

Hence we have

XUY ={0,10,100,1000}

monitta3 years ago
4 0
X ∪ Y = <span>{0, 10, 100, 1000}</span>
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Answer: -1/2 or -0.5.
Explanation: -2- -1, -6- -2= -0.5
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3 years ago
What is the value of x in the solution to this system of equations?
liberstina [14]

Answer:

x = 11

Step-by-step explanation:

Given the expression;

5x+2y=67 ...1

x=3y−7 ....2

Substitute 2 into 1

5(3y-7)+2y = 67

15y - 35 + 2y = 67

17y = 67+35

17y = 102

y = 102/17

y =6

Recall that x = 3y - 7

x = 3(6) - 7

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x = 11

Hence the value of x is 11

6 0
3 years ago
Your brother has saved $60 to spend on basketball cards he plans to by the cards at a sale single card is $9 and if u buy three
schepotkina [342]

Answer:

7 cards.

Step-by-step explanation:

60-39.5=20.5, that's what he has left if he buys 5 cards.

so, if you buy 2 more cards, that would be 18 dollars so 20.5-18=2.5

5 cards+ 2 cards= 7 cards.

He still hzs 2.5 dollars left

8 0
3 years ago
Yesterday noah ran 2 1/2 miles in 3/5 hour. Emily ran 3 3/4 miles in 5/6 hour. Anna ran 3 1/2 miles in 3/4 hour how fast in mile
Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

To calculate the speed of each one we proceed as follows:

speed=distance/time

a] Noah's speed:

distance=2.5 miles

time=3/5 hours

speed=(2 1/2)/(3/5)

=(5/2)/(3/5)

=5/2×5/3

=25/6

=4 1/6 mi/hr

Emily's speed

distance=3 3/4 miles

time=5/6 hour

thus

speed=(3 3/4)/(5/6)

=15/4)/(5/6)

=15/4×6/5

=4 1/2 mi/hr

Anna's speed:

distance=3 1/3 miles

time=3/5

speed=(3 1/3)/(3/5

=(10/3)/(3/5)

=10/3×5/3

=5 5/9 mi/hr

Anna was the fastest

6 0
2 years ago
Read 2 more answers
Please help me im stuck on this
Strike441 [17]

Answer:

Step-by-step explanation:

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7 0
1 year ago
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