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Dafna1 [17]
2 years ago
12

20 points

Mathematics
2 answers:
gavmur [86]2 years ago
6 0

Answer:

Michael buys 800 hockey cards from jackson

bezimeni [28]2 years ago
3 0

Answer:

<u>480 cards</u>

Step-by-step explanation:

<u>Step 1: No. of cards Jackson is selling</u>

=> 1000 x 60%

=> 1000 x 0.6

=> 600 cards

<u>Step 2: No. of cards Michael buys</u>

=> 600 x 80%

=> 600 x 0.8

=> <u>480 cards</u>

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PLEASE HELP!!!! <br> Solve the system of equation. Write the solution as a coordinate point.
Dovator [93]

We can just substitute y = 4x+1 in the second equation.

6x-2(4x+1)=-3\\6x-8x-2=-3\\6x-8x-2+3=0\\-2x+1=0\\-2x=-1\\x=\frac{1}{2}

We know the value of x, substitute x in any equations to get the y-value.

4x+1=y\\4(\frac{1}{2})+1=y\\2+1=y\\3=y

The value of y is 3 and the value of x is 0.5 aka 1/2

Since you want the solution as a point then It's below here.

5 0
3 years ago
Katy buys 4 DVDS every 2 weeks how many DVDS will she buy in 14 weeks
liraira [26]

Answer:

28 dvds in 14 weeks

Step-by-step explanation:

4 dvds in two weeks

2 dvds in a week

14 weeks equal 28 dvds

6 0
3 years ago
A researcher is exploring the notion that there is an economy of scale in raising children. While having one child might add to
trasher [3.6K]

Answer:

The probability is   G  =  85%

Step-by-step explanation:

From the question we are told that

   The percentage of parents that have one child under 18 in their homes is  k = 15%

  The percentage of parents that have two children is  T = 65%

    The percentage of parents that have three or more children is  Y = 20%

Generally the probability that any given family who is selected have two or more children at home is mathematically evaluated as

     G  =  T  +  Y

=>  G  =  65% +  20%

=>  G  =  85%

4 0
3 years ago
Please help i will give crowns
gregori [183]
10/3 which is the same as 3 1/3
4 0
2 years ago
Read 2 more answers
Chapter 2
Mashutka [201]

Answer:

11.20

Step-by-step explanation:

Multiply both equations by 100:

19.99=1999

8.79=879

1999-879=1120

Divide by 100:

1120/100=11.20 saved ................

5 0
3 years ago
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