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IceJOKER [234]
3 years ago
10

Noah bought 15 baseball cards for $9.00. Assuming that each baseball card costs the same amount, answer the following questions.

How much will 30 baseball cards cost?
Mathematics
1 answer:
Whitepunk [10]3 years ago
5 0

Answer:

$18.00

Step-by-step explanation:

Because you know that 15 baseball cards costs 9.00.  30 is 2 15s added together.  So you will do 9.00+9.00 in order to get the amount of money it needs.  Double the baseball cards cost double the money.

Hope this helps.  Please give brainliest.

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Of 140 seventh grade students, 15% earn the presidential physical Fitness award. How many students earn the award
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A box of fruit has three times as many apples as oranges
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6 0
3 years ago
Using the information given name each of the following figure
Sedbober [7]

Answer:

I think that's either a Rhombus or a Square.

I think it's more of a Rhombus.

Step-by-step explanation:

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5 0
3 years ago
Use substitution to solve the linear system of equations. y=-3x+1 y=2x-4 (-2, 1) (1, -2) (1, 2) (-1, -2)
shtirl [24]

Answer:

Solution of the equations is (1, -2).

Step-by-step explanation:

Two linear  equations given in the question are

y = -3x+1-------------(1)

and y = 2x-4 ------------(2)

To solve these equations by substitution method we will substitute the value of y from equation (1) to equation number (2).

-3x+1 = 2x-4

Now we add 3x on both the sides of the equation

3x-3x+1 = 3x+2x-4

1 = 5x-4

we will add 4 on both the sides

1+4 = 5x-4+4

5 = 5x

Then we divide the equation by 5

5/5 = 5x/5

x = 5/5 = 1

Now we solve the equation (1) for the value of y by putting x = 1

y = -3(1)+1 = -3+1 = (-2)

So the solution will be (1 -2).



6 0
3 years ago
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