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Lubov Fominskaja [6]
3 years ago
13

Solve the system of equations given below. y - 15 = 3 -2.1 + 5y = -3

Mathematics
1 answer:
EastWind [94]3 years ago
3 0

Answer:

1) y=18

2)y=-0.18

Step-by-step explanation:

1) y-15=3. Add 15 on both sides.

y=18

2)-2.1+5y=-3. Add 2.1 on both sides

5y=-0.9. Divide 5 on both sides

y=-0.18

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3 years ago
The formula for the cost of buying a car is:
Mice21 [21]

Answer:

a) The cost of buying this car is of £6200.

b) The monthly payment is of £450.

Step-by-step explanation:

The cost of buying a car is given by:

cost = 12 X monthly payment + deposit

a) Find the cost of a car when the monthly payment is £350 and the deposit is £2000.

So

cost = 12*350 + 2000 = 4200 + 2000 = 6200

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b) The cost of another car is £8000. Find the monthly payment when the deposit is £2600.

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7 0
3 years ago
Which are equivalent to 3^2 x 3^4? check all that apply.
Andreas93 [3]

equivalent

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Step-by-step explanation:

=  {3}^{2}  \times  {3}^{4}

=  {3}^{(2 + 4)}

=  {3}^{6}

<h2>_____________</h2>

equivalent

1) 3^6

4) 3^-4 · 3^10

8) (3 · 3) · (3 · 3 · 3 · 3)

8 0
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