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emmainna [20.7K]
3 years ago
11

two cassettes and three CDs cost $175 while four cassettes and one cd cost $125. Given that one cassette costs 5x and one cd cos

ts 5y , write two equations in x and y to represent the information.
Mathematics
1 answer:
Delvig [45]3 years ago
8 0
The first equation is
2*5x+3*5y=175\rightarrow 10x+15y=175
The second equation is
4*5x+5y=125\rightarrow 20x+5y=125
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Please help me understand, thank you.
monitta

Answer:

195.6 mph, 069 degrees

Step-by-step explanation:

two different ways, same result

7 0
3 years ago
This is the other question!
joja [24]
I’m not 100% true but i think it’s false, true, true :)
6 0
2 years ago
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Members of the swim team want to wash their hair. The bathroom has less than 5600 liters of water and at most 2.5 liters of sham
nordsb [41]

Answer:

Yes, the bathroom has enough water and shampoo for all of them.

Step-by-step explanation:

70L+ 60S < 5600

Putting 8 into L and 7 into S, gives:

70(8) + 60(7) = 560 + 420 = 980

That is definitely less than 5600, so water is OK.

Now,

0.02L + 0.01S

Putting 8 into L and 7 into S, gives:

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That's definitely less than 2.5 liters, so shampoo is OK as well.

Hence, bathroom has enough water and shampoo for them.

7 0
3 years ago
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11. Little Sally Walker has a choice between going to an in-state college where she would pay
nalin [4]

Answer:

Step-by-step explanation:

Lets calculate first for in state college

yearly tuition fees = $3,500

monthly living expense = $700

one year has 12 months so yearly living expense =$700 * 12 = $8,400

Yearly expense of the in state college = yearly tuition fees ($3,500 )+ yearly living expense($8,400)   = $3,500 + $8,400  = $11,900

____________________________________________________

Lets calculate first for  out of state college

yearly tuition fees = $6,000

monthly living expense = $400

one year has 12 months so yearly living expense =$400 * 12 = $4,800

Yearly expense of the out of state college = yearly tuition fees ($3,500 )+ yearly living expense($8,400)   = $6,000 + $4,800  = $10,800

____________________________________________________

3 0
3 years ago
H + 86.43 = 531.79<br><br> h = ___________
dedylja [7]
H= 445.36
because you bring the 86.43 over to the 531.79. which would make 86.43 a negative number. so you subtract 531.79 by 86.43
6 0
3 years ago
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